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INA193, INA194 INA195, INA196 INA197, INA198
SBOS307C - MAY 2004 - REVISED DECEMBER 2004
CURRENT SHUNT MONITOR
-16V to +80V Common-Mode Range
FEATURES
D WIDE COMMON-MODE VOLTAGE: D D D D D
-16V to +80V LOW ERROR: 3.0% Over Temp (max) BANDWIDTH: Up to 500kHz THREE TRANSFER FUNCTIONS AVAILABLE: 20V/V, 50V/V, and 100V/V QUIESCENT CURRENT: 900A (max) COMPLETE CURRENT SENSE SOLUTION
DESCRIPTION
The INA193--INA198 family of current shunt monitors with voltage output can sense drops across shunts at common-mode voltages from -16V to +80V, independent of the INA19X supply voltage. They are available with three output voltage scales: 20V/V, 50V/V, and 100V/V. The 500kHz bandwidth simplifies use in current control loops. The INA193--INA195 provide identical functions but alternative pin configurations to the INA196--INA198, respectively. The INA193--INA198 operate from a single +2.7V to +13.5V supply, drawing a maximum of 900A of supply current. They are specified over the extended operating temperature range (-40C to +125C), and are offered in a space-saving SOT23 package.
APPLICATIONS
D D D D D D D
WELDING EQUIPMENT NOTEBOOK COMPUTERS CELL PHONES TELECOM EQUIPMENT AUTOMOTIVE POWER MANAGEMENT BATTERY CHARGERS
RS VIN+ -16V to +80V Negative and Positive Common- Mode Voltage VIN+ 5k VIN- 5k
IS V+ +2.7V to +13.5V Load
A1
A2
OUT =
ISRS RL 5k
INA193 -INA198
RL
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
Copyright 2004, Texas Instruments Incorporated
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INA193, INA194 INA195, INA196 INA197, INA198
SBOS307C - MAY 2004 - REVISED DECEMBER 2004
www.ti.com
ABSOLUTE MAXIMUM RATINGS(1)
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +18V Analog Inputs, VIN+, VIN- Differential (VIN+) - (VIN-) . . . . . . . . . . . . . . . . . . . . . . -2V to +2V Common-Mode(2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . -16V to +80V Analog Output, Out(2) . . . . . . . . . . . . . GND - 0.3V to (V+) + 0.3V Input Current Into Any Pin(2) . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mA Operating Temperature . . . . . . . . . . . . . . . . . . . . . -55C to +150C Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . -65C to +150C Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C Lead Temperature (soldering, 10s) . . . . . . . . . . . . . . . . . . . . +300C ESD Ratings Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4000V Charged-Device Model . . . . . . . . . . . . . . . . . . . . . . . . . . 1000V (1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those specified is not supported. (2) Input voltage at any pin may exceed the voltage shown if the current at that pin is limited to 5mA.
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.
PACKAGE INFORMATION(1)
PRODUCT INA193 INA194 INA195 INA196 INA197 PACKAGE-LEAD SOT23-5 SOT23-5 SOT23-5 SOT23-5 SOT23-5 PACKAGE DESIGNATOR DBV DBV DBV DBV DBV PACKAGE MARKING BJJ BJI BJK BJE BJH
INA198 SOT23-5 DBV BJL (1) For the most current package and ordering information, see the Package Option Addendum located at the end of this data sheet, or refer to our web site at www.ti.com.
PIN ASSIGNMENTS
INA193 INA194 INA195 OUT GND VIN+ 1 2 3 SOT23-5 4 VIN- 5 V+ OUT GND V+ 1 2 3
INA196 INA197 INA198 5 VIN-
4 SOT23-5
VIN+
2
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INA193, INA194 INA195, INA196 INA197, INA198
SBOS307C - MAY 2004 - REVISED DECEMBER 2004
ELECTRICAL CHARACTERISTICS: VS = +12V
Boldface limits apply over the specified temperature range, TA = -40C to +125C.
All specifications at TA = +25C, VS = +12V, VIN+ = 12V, and VSENSE = 100mV, unless otherwise noted.
INA193, INA194, INA195 INA196, INA197, INA198 PARAMETER INPUT Full-Scale Input Voltage Common-Mode Input Range Common-Mode Rejection Over Temperature Offset Voltage, RTI Over Temperature vs Temperature vs Power Supply Input Bias Current, VIN- pin OUTPUT Gain: INA193, INA196 INA194, INA197 INA195, INA198 Gain Error Over Temperature Total Output Error(1) Over Temperature Nonlinearity Error Output Impedance Maximum Capacitive Load VOLTAGE OUTPUT(2) Swing to V+ Power Supply Rail Swing to GND(3) FREQUENCY RESPONSE Bandwidth, INA193, INA196 INA194, INA197 INA195, INA198 Phase Margin Settling Time (1%) NOISE, RTI Voltage Noise Density POWER SUPPLY Operating Range Quiescent Current Over Temperature TEMPERATURE RANGE Specified Temperature Range Operating Temperature Range Storage Temperature Range Thermal Resistance, SOT23 VS IQ +2.7 VOUT = 2V VSENSE = 0mV -40 -55 -65 qJA 200 700 370 BW CLOAD = 5pF CLOAD = 5pF CLOAD = 5pF CLOAD < 10nF VSENSE = 10mV to 100mVPP, CLOAD = 5pF VSENSE VCM CMR VOS dVOS/dT PSR IB G TEST CONDITIONS VSENSE = VIN+ - VIN- VIN+ = -16V to +80V VIN+ = +12V to +80V -16 80 100 MIN TYP 0.15 94 120 0.5 0.5 2.5 5 +8 20 50 100 0.2 0.75 1 0.002 1.5 10 (V+) - 0.1 (VGND) + 3 500 300 200 40 2 40 +13.5 900 950 +125 +150 +150 MAX (VS - 0.2)/Gain 80 UNIT V V dB dB mV mV V/C V/V A V/V V/V V/V % % % % % nF V mV kHz kHz kHz degrees s nV/Hz V A A C C C C/W
2 3 100 +16
VS = +2.7V to +13.5V, VIN+ = +13.5V
VSENSE = 20mV to 100mV, TA = 25C VSENSE = 20mV to 100mV
VSENSE = 20mV to 100mV RO No Sustained Oscillation RL = 100k to GND
1 2 2.2 3 0.1
(V+) - 0.2 (VGND) + 50
tS
(1) Total output error includes effects of gain error and V . OS (2) See Typical Characteristics curve Output Swing vs Output Current. (3) Specified by design.
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INA193, INA194 INA195, INA196 INA197, INA198
SBOS307C - MAY 2004 - REVISED DECEMBER 2004
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TYPICAL CHARACTERISTICS
All specifications at TA = +25C, VS = +12, and VIN+ = 12V, and VSENSE = 100mV, unless otherwise noted.
GAIN vs FREQUENCY 45 40 35 Gain (dB) 30 25 20 15 10 5 10k 100k Frequency (Hz) 1M G = 100 G = 50 CLOAD = 1000pF 40 35 Gain (dB) 30 25 20 15 10 5 10k 45 G = 100 G = 50
GAIN vs FREQUENCY
G = 20
G = 20
100k Frequency (Hz)
1M
COMMON-MODE AND POWER-SUPPLY REJECTION vs FREQUENCY 140 Output Error (% error of the ideal output value) 130 Common-Mode and Power-Supply Rejection (dB) 120 110 100 90 80 70 60 50 40 10 100 1k Frequency (Hz) 10k 100k PSR CMR 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 0 50
OUTPUT ERROR vs VSENSE
100 150
200
250 300
350 400
450 500
VSENSE (mV)
OUTPUT ERROR vs COMMON-MODE VOLTAGE 0.1 0.09 0.08 Output Error (% ) 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 -16 -12 -8 -4 0 4 8 12 16 20 ... 76 80 Output Voltage (V ) 12 11 10 9 8 7 6 5 4 3 2 1 0 0 Common-Mode Voltage (V) +125_ C VS = 3V
POSITIVE OUTPUT VOLTAGE SWING vs OUTPUT CURRENT
VS = 12V Sourcing Current +25_C +125_ C -40_C
Sourcing Current +25_C
-40_C
Output stage is designed to source current. Current sinking capability is approximately 400A. 15 20 25 30
5
10
Output Current (mA)
4
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INA193, INA194 INA195, INA196 INA197, INA198
SBOS307C - MAY 2004 - REVISED DECEMBER 2004
TYPICAL CHARACTERISTICS (continued)
All specifications at TA = +25C, VS = +12, and VIN+ = 12V, and VSENSE = 100mV, unless otherwise noted.
QUIESCENT CURRENT vs COMMON-MODE VOLTAGE 875 775 675 IQ (A) 575 475 VS = 12V 375 275 175 -16 -12 -8 -4 VSENSE = 0mV: VS = 2.7V VSENSE = 100mV: VS = 12V VS = 2.7V
QUIESCENT CURRENT vs OUTPUT VOLTAGE 1000 900 800 700 IQ (A) 600 500 400 300 200 100 0 0 1 2 3 4 5 6 7 8 9 10 Output Voltage (V)
0
4
8
12 16
20
...
76 80
VCM (V)
OUTPUT SHORT-CIRCUIT CURRENT vs SUPPLY VOLTAGE 34 Output Short-Circuit Current (mA) 30 26 22 18 14 10 6 2.5 3.5 4.5 5.5 6.5 7.5 8.5 9.5 10.5 11.5 12.5 13.5 Supply Voltage (V) -40_C Output Voltage (50mV/div) +25_ C +125_ C
STEP RESPONSE G = 20
VSENSE = 10mV to 20mV Time (2s/div)
STEP RESPONSE G = 20 Output Voltage (500mV/div) Output Voltage (50mV/div)
STEP RESPONSE G = 20
VSENSE = 10mV to 100mV Time (2s/div)
VSENSE = 90mV to 100mV Time (2s/div)
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INA193, INA194 INA195, INA196 INA197, INA198
SBOS307C - MAY 2004 - REVISED DECEMBER 2004
www.ti.com
TYPICAL CHARACTERISTICS (continued)
All specifications at TA = +25C, VS = +12, and VIN+ = 12V, and VSENSE = 100mV, unless otherwise noted.
STEP RESPONSE G = 50 Output Voltage (100mV/div) Output Voltage (1V/div)
STEP RESPONSE G = 50
VSENSE = 10mV to 20mV Time (5s/div)
VSENSE = 10mV to 100mV Time (5s/div)
STEP RESPONSE G = 50 Output Voltage (100mV/div) Output Voltage (2V/div)
STEP RESPONSE G = 100
VSENSE = 90mV to 100mV Time (5s/div)
VSENSE = 10mV to 100mV Time (10s/div)
6
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INA193, INA194 INA195, INA196 INA197, INA198
SBOS307C - MAY 2004 - REVISED DECEMBER 2004
APPLICATIONS INFORMATION
BASIC CONNECTION
Figure 1 shows the basic connection of the INA19X. The input pins, VIN+ and VIN-, should be connected as closely as possible to the shunt resistor to minimize any resistance in series with the shunt resistance. Power-supply bypass capacitors are required for stability. Applications with noisy or high impedance power supplies may require additional decoupling capacitors to reject power-supply noise. Connect bypass capacitors close to the device pins.
IS V+ +2.7V to +13.5V VIN+ 5k VIN- 5k Load
voltage is up to +80V. The output voltage range of the OUT terminal, however, is limited by the voltages on the power-supply pin.
SELECTING RS
The value chosen for the shunt resistor, RS, depends on the application and is a compromise between small-signal accuracy and maximum permissible voltage loss in the measurement line. High values of RS provide better accuracy at lower currents by minimizing the effects of offset, while low values of RS minimize voltage loss in the supply line. For most applications, best performance is attained with an RS value that provides a full-scale shunt voltage range of 50mV to 100mV. Maximum input voltage for accurate measurements is 500mV.
RS VIN+ -16V to +80V
TRANSIENT PROTECTION
The -16V to +80V common-mode range of the INA19X is ideal for withstanding automotive fault conditions ranging from 12V battery reversal up to +80V transients, since no additional protective components are needed up to those levels. In the event that the INA19X is exposed to transients on the inputs in excess of its ratings, then external transient absorption with semiconductor transient absorbers (zeners or Transzorbs) will be necessary. Use of MOVs or VDRs is not recommended except when they are used in addition to a semiconductor transient absorber. Select the transient absorber such that it will never allow the INA19X to be exposed to transients greater than +80V (that is, allow for transient absorber tolerance, as well as additional voltage due to transient absorber dynamic impedance). Despite the use of internal zener-type ESD protection, the INA19X does not lend itself to using external resistors in series with the inputs since the internal gain resistors can vary up to 30%. (If gain accuracy is not important, then resistors can be added in series with the INA19X inputs with two equal resistors on each input.)
OUT
INA193 -INA198
OUTPUT VOLTAGE RANGE
Figure 1. INA19X Basic Connection
The output of the INA19X is accurate within the output voltage swing range set by the power supply pin, V+. This is best illustrated when using the INA195 or INA198 (which are both versions using a gain of 100), where a 100mV full-scale input from the shunt resistor requires an output voltage swing of +10V, and a power-supply voltage sufficient to achieve +10V on the output.
POWER SUPPLY
The input circuitry of the INA19X can accurately measure beyond its power-supply voltage, V+. For example, the V+ power supply can be 5V, whereas the load power-supply
7
INA193, INA194 INA195, INA196 INA197, INA198
SBOS307C - MAY 2004 - REVISED DECEMBER 2004
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INPUT FILTERING
An obvious and straightforward location for filtering is at the output of the INA19X series; however, this location negates the advantage of the low output impedance of the internal buffer. The only other option for filtering is at the input pins of the INA19X, which is complicated by the internal 5k + 30% input impedance; see Figure 2. Using the lowest possible resistor values minimizes both the initial shift in gain and effects of tolerance. The effect on initial gain is given by:
Total effect on gain error can be calculated by replacing the 5k term with 5k - 30%, (or 3.5k) or 5k + 30% (or 6.5k). The tolerance extremes of RFILT can also be inserted into the equation. If a pair of 100 1% resistors are used on the inputs, the initial gain error will be 1.96%. Worst-case tolerance conditions will always occur at the lower excursion of the internal 5k resistor (3.5k), and the higher excursion of RFILT - 3% in this case. Note that the specified accuracy of the INA19X must then be combined in addition to these tolerances. While this discussion treated accuracy worst-case conditions by combining the extremes of the resistor values, it is appropriate to use geometric mean or root sum square calculations to total the effects of accuracy variations.
GainError% + 100 * 100
5kW 5kW ) RFILT
(1)
RSHUNT << RFILTER VSUPPLY RFILTER < 100 CFILTER LOAD RFILTER < 100 f-3dB = f-3dB 1 2 (2 RFILTER) CFILTER
+5V VIN+ 5k VIN- 5k V+
OUT
INA193 -INA198
Figure 2. Input Filter (Gain Error - 1.5% to -2.2%)
8
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INA193, INA194 INA195, INA196 INA197, INA198
SBOS307C - MAY 2004 - REVISED DECEMBER 2004
INSIDE THE INA19X
The INA19X uses a new, unique internal circuit topology that provides common-mode range extending from -16V to +80V while operating from a single power supply. The common-mode rejection in a classic instrumentation amp approach is limited by the requirement for accurate resistor matching. By converting the induced input voltage to a current, the INA19X provides common-mode rejection that is no longer a function of closely matched resistor values, providing the enhanced performance necessary for such a wide common-mode range. A simplified diagram (see Figure 3) shows the basic circuit function. When the common-mode voltage is positive, amplifier A2 is active. The differential input voltage, (VIN+) - (VIN-) applied across RS, is converted to a current through a 5k resistor. This current is converted back to a voltage through RL, and then amplified by the output buffer amplifier. When the common-mode voltage is negative, amplifier A1 is active. The differential input voltage, (VIN+) - (VIN-) applied across RS, is converted to a current through a 5k resistor. This current is sourced from a precision current mirror whose output is directed into RL converting the signal back into a voltage and amplified by the output buffer amplifier. Patent-pending circuit architecture ensures smooth device operation, even during the transition period where both amplifiers A1 and A2 are active.
RS VIN+ Negative and Positive Common- Mode Voltage
IS V+
VIN+ 5k
VIN- 5k
Load
A1
A2
OUT =
ISRSRL 5k
INA193 -INA198
RL
Figure 3. INA19X Simplified Circuit Diagram
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INA193, INA194 INA195, INA196 INA197, INA198
SBOS307C - MAY 2004 - REVISED DECEMBER 2004
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RSHUNT +12V I1 +5V VIN+ 5k VIN- 5k V+ LOAD
V+
INA193 -INA198 5k 5k GND OUT for -12V Common-Mode VIN- GND
OUT for +12V Common-Mode
INA193 -INA198 VIN+
RSHUNT -12V I2 LOAD
Figure 4. Monitor Bipolar Output Power-Supply Current
10
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INA193, INA194 INA195, INA196 INA197, INA198
SBOS307C - MAY 2004 - REVISED DECEMBER 2004 RSHUNT
VSUPPLY +5V VIN+ 5k VIN- 5k V+ VIN+ 5k VIN- 5k +5V V+
LOAD
+5V
INA152 40k 40k
OUT INA193 -INA198 INA193 -INA198
OUT VOUT 40k 40k
+2.5V VREF
Figure 5. Bi-directional Current Monitoring
Up to +80V
RSHUNT +2.7V to +13.5V VIN- V+ 5k
Solenoid
VIN+ 5k
OUT INA193 -INA198
Figure 6. Inductive Current Monitor Including Flyback
11
INA193, INA194 INA195, INA196 INA197, INA198
SBOS307C - MAY 2004 - REVISED DECEMBER 2004
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VIN+
VIN-
V+
5k
5k
For output signals > comparator trip- point. OUT INA193 -INA198 R2 R1 TLV3012 REF 1.25V Internal Reference
(a) INA19X output adjusted by voltage divider.
VIN+
VIN-
V+
5k
5k
OUT INA193 -INA198 TLV3012 REF 1.25V Internal Reference
R1 (b) Comparator reference voltage adjusted by voltage divider. R2
For use with small output signals.
Figure 7. INA19X With Comparator
12
PACKAGE OPTION ADDENDUM
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20-Apr-2005
PACKAGING INFORMATION
Orderable Device INA193AIDBVR INA193AIDBVRG4 INA193AIDBVT INA194AIDBVR INA194AIDBVT INA195AIDBVR INA195AIDBVT INA196AIDBVR INA196AIDBVT INA197AIDBVR INA197AIDBVT INA198AIDBVR INA198AIDBVT
(1)
Status (1) ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE
Package Type SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT-23
Package Drawing DBV DBV DBV DBV DBV DBV DBV DBV DBV DBV DBV DBV DBV
Pins Package Eco Plan (2) Qty 5 5 5 5 5 5 5 5 5 5 5 5 5 3000 3000 250 TBD TBD TBD
Lead/Ball Finish CU NIPDAU Call TI CU NIPDAU CU CU CU CU CU CU CU NIPDAU CU NIPDAU CU NIPDAU CU NIPDAU
MSL Peak Temp (3) Level-3-260C-168 HR Call TI Level-3-260C-168 HR Level-1-260C-UNLIM Level-1-260C-UNLIM Level-1-260C-UNLIM Level-1-260C-UNLIM Level-1-260C-UNLIM Level-1-260C-UNLIM Level-1-260C-UNLIM Level-1-260C-UNLIM Level-1-260C-UNLIM Level-1-260C-UNLIM
3000 Green (RoHS & no Sb/Br) 250 Green (RoHS & no Sb/Br)
3000 Green (RoHS & no Sb/Br) 250 Green (RoHS & no Sb/Br)
3000 Green (RoHS & no Sb/Br) 250 Green (RoHS & no Sb/Br)
3000 Green (RoHS & no Sb/Br) 250 Green (RoHS & no Sb/Br)
3000 Green (RoHS & no Sb/Br) 250 Green (RoHS & no Sb/Br)
The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
Addendum-Page 1
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI's terms and conditions of sale supplied at the time of order acknowledgment. TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI's standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily performed. TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and applications using TI components. To minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards. TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services are used. Information published by TI regarding third-party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof. Use of such information may require a license from a third party under the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI. Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for such altered documentation. Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements. Following are URLs where you can obtain information on other Texas Instruments products and application solutions: Products Amplifiers Data Converters DSP Interface Logic Power Mgmt Microcontrollers amplifier.ti.com dataconverter.ti.com dsp.ti.com interface.ti.com logic.ti.com power.ti.com microcontroller.ti.com Applications Audio Automotive Broadband Digital Control Military Optical Networking Security Telephony Video & Imaging Wireless Mailing Address: Texas Instruments Post Office Box 655303 Dallas, Texas 75265 Copyright 2005, Texas Instruments Incorporated www.ti.com/audio www.ti.com/automotive www.ti.com/broadband www.ti.com/digitalcontrol www.ti.com/military www.ti.com/opticalnetwork www.ti.com/security www.ti.com/telephony www.ti.com/video www.ti.com/wireless

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