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MC3458 MC3358 Dual, Low Power Operational Amplifiers
Utilizing the circuit designs perfected for the quad operational amplifiers, these dual operational amplifiers feature: 1) low power drain, 2) a common mode input voltage range extending to ground/VEE, and 3) Single Supply or Split Supply operation. These amplifiers have several distinct advantages over standard operational amplifier types in single supply applications. They can operate at supply voltages as low as 3.0 V or as high as 36 V with quiescent currents about one-fifth of those associated with the MC1741C (on a per amplifier basis). The common mode input range includes the negative supply, thereby eliminating the necessity for external biasing components in many applications. The output voltage range also includes the negative power supply voltage. * Short Circuit Protected Outputs
DUAL DIFFERENTIAL INPUT OPERATIONAL AMPLIFIERS
SEMICONDUCTOR TECHNICAL DATA
* * * * * * * *
8 1
True Differential Input Stage Single Supply Operation: 3.0 V to 36 V Low Input Bias Currents Internally Compensated Common Mode Range Extends to Negative Supply Class AB Output Stage for Minimum Crossover Distortion Single and Split Supply Operations Available Similar Performance to the Popular MC1458
8
P1 SUFFIX PLASTIC PACKAGE CASE 626
1
D SUFFIX PLASTIC PACKAGE CASE 751 (SO-8)
PIN CONNECTIONS MAXIMUM RATINGS
Rating Power Supply Voltages Single Supply Split Supplies Input Differential Voltage Range (1) Input Common Mode Voltage Range (2) Junction Temperature Storage Temperature Range Operating Ambient Temperature Range MC3458 MC3358 Symbol VCC VCC, VEE VIDR VICR TJ Tstg TA 0 to +70 -40 to +85 Value 36 18 30 15 150 -55 to +125 Vdc Vdc C C C Device MC3358P1 MC3458D MC3458P1 Unit Vdc Output A
1 2 8 7 6
VCC Output B Inputs B
Inputs A
3
- + - +
VEE/Gnd
4
5
(Top View)
ORDERING INFORMATION
Operating Temperature Range TA = -40 to +85C TA = 0 to +70C Package Plastic DIP SO-8 Plastic DIP
Rev 0
NOTES: 1. Split Power Supplies. 2. For supply voltages less than 18 V, the absolute maximum input voltage is equal to the supply voltage.
(c) Motorola, Inc. 1996
MOTOROLA ANALOG IC DEVICE DATA
1
MC3458 MC3358
ELECTRICAL CHARACTERISTICS (For MC3458, VCC = +15 V, VEE = -15 V, TA = 25C, unless otherwise noted.) (For MC3358, VCC = +14 V, VEE = Gnd, TA = 25C, unless otherwise noted.)
MC3458 Characteristic Ch ii Input Offset Voltage TA = Thigh to Tlow (Note 1) Input Offset Current TA = Thigh to Tlow Large Signal Open Loop Voltage Gain VO = 10 V, RL = 2.0 k, TA = Thigh to Tlow Input Bias Current TA = Thigh to Tlow Output Impedance, f = 20 Hz Input Impedance, f = 20 Hz Output Voltage Range RL = 10 k RL = 2.0 k RL = 2.0 k, TA = Thigh to Tlow Input Common Mode Voltage Range Common Mode Rejection Ratio, RS 10 k Power Supply Current (VO = 0) RL = Individual Output Short Circuit Current (Note 2) Positive Power Supply Rejection Ratio Negative Power Supply Rejection Ratio Average Temperature Coefficient of Input Offset Current, TA = Thigh to Tlow Average Temperature Coefficient of Input Offset Current, TA = Thigh to Tlow Power Bandwidth AV = 1, RL = 2.0 k, VO = 20 Vpp, THD = 5% Small Signal Bandwidth AV = 1, RL = 10 k, VO = 50 mV Slew Rate AV = 1, VI = -10 V to +10 V Rise Time AV = 1, RL = 10 k, VO = 50 mV Fall Time AV = 1, RL = 10 k, VO = 50 mV Overshoot AV = 1, RL = 10 k, VO = 50 mV Phase Margin AV = 1, RL = 2.0 k, CL = 200 pF Crossover Distortion (Vin = 30 mVpp, Vout = 2.0 Vpp, f = 10 kHz)
NOTES: 1. Thigh = 70C for MC3458, 85C for MC3358 Tlow = 0C for MC3458, -40C for MC3358 2. Not to exceed maximum package power dissipation.
MC3358 Max 10 12 50 200 - - -500 -800 - - - - - - - 3.7 45 150 150 - - - - - - - - - - Min - - - - 20 15 - - - 0.3 12 10 10 +13 -VEE 70 - 10 - - - - - - - - - - - - Typ 2.0 - 30 - 200 - -200 - 75 1.0 12.5 12 - +13.5 -VEE 90 1.6 30 30 - 50 10 9.0 1.0 0.6 0.35 0.35 20 60 1.0 Max 8.0 10 75 250 - - -500 -1000 - - - - - - - 3.7 45 150 - - - - - - - - - - - V dB mA mA V/V V/V pA/C V/C kHz MHz V/s s s % Degrees % nA M V Unit Ui mV nA V/mV
Symbol S bl VIO IIO AVOL
Min - - - - 20 15
Typ 2.0 - 30 - 200 - -200 - 75 1.0 13.5 13 - +13.5 -VEE 90 1.6 20 30 30 50 10 9.0 1.0 0.6 0.35 0.35 20 60 1.0
IIB zO zI VOR
- - - 0.3 12 10 10 +13 -VEE 70 - 10 - - - - - - - - - - - -
VICR CMR ICC, IEE ISC PSRR+ PSRR- IIO/T VIO/T BWp BW SR tTLH tTHL os m -
2
MOTOROLA ANALOG IC DEVICE DATA
MC3458 MC3358
ELECTRICAL CHARACTERISTICS (VCC = 5.0 V, VEE = Gnd, TA = 25C, unless otherwise noted.)
MC3458 Characteristic Ch ii Input Offset Voltage Input Offset Current Input Bias Current Large Signal Open Loop Voltage Gain RL = 2.0 k, Power Supply Rejection Ratio Output Voltage Range (Note 3) RL = 10 k, VCC = 5.0 V RL = 10 k, 5.0 V VCC 30 V Power Supply Current Channel Separation f = 1.0 kHz to 20 kHz (Input Referenced)
NOTE:
MC3358 Max 5.0 50 -500 - 150 - - 7.0 - Min - - - 20 - 3.3 - - - Typ 2.0 - - 200 - 3.5 VCC -1.7 2.5 -120 Max 10 75 -500 - 150 - - 4.0 - mA dB Unit Ui mV nA nA V/mV V/V Vpp
Symbol S bl VIO IIO IIB AVOL PSRR VOR
Min - - - 20 - 3.3 -
Typ 2.0 30 -200 200 - 3.5 VCC -1.7 2.5 -120
ICC CS
- -
3. Output will swing to ground with a 10 k pull down resistor.
MOTOROLA ANALOG IC DEVICE DATA
3
MC3458 MC3358
Representative Schematic Diagram
(1/2 of Circuit Shown) Bias Circuitry Common to Both Amplifiers VCC Q19 Q20 Q18 Q17 Q16 Q27
Output
Q23 5.0 pF 31 k Q1 + Q22 Inputs Q25 Q24 2.0 k Q9 37k - Q2 Q3 Q4 Q21 Q6 Q5 60 k Q10 Q8 VEE (Gnd) Q13 Q11 Q12 Q30 2.4 k 25 Q15 40 k Q28 Q29
Q7
Inverter Pulse Response
20 s/DIV
CIRCUIT DESCRIPTION The MC3458/3358 is made using two internally compensated, two-stage operational amplifiers. The first stage of each consists of differential input devices Q24 and Q22 with input buffer transistors Q25 and Q21 and the
differential to single ended converter Q3 and Q4. The first stage performs not only the first stage gain function but also performs the level shifting and transconductance reduction functions. By reducing the transconductance, a smaller compensation capacitor (only 5.0 pF) can be employed, thus saving chip area. The transconductance reduction is accomplished by splitting the collectors of Q24 and Q22. Another feature of this input stage is that the input Common Mode range can include the negative supply or ground, in single supply operation, without saturating either the input devices or the differential to single-ended converter. The second stage consists of a standard current source load amplifier stage. The output stage is unique because it allows the output to swing to ground in single supply operation and yet does not exhibit any crossover distortion in split supply operation. This is possible because Class AB operation is utilized. Each amplifier is biased from an internal voltage regulator which has a low temperature coefficient thus giving each amplifier good temperature characteristics as well as excellent power supply rejection.
4
5 V/DIV
MOTOROLA ANALOG IC DEVICE DATA
MC3458 MC3358
Figure 1. Sine Wave Response
120 AV = 100 A VOL , LARGE SIGNAL OPEN LOOP VOLTAGE GAIN (dB) 0.5 V/DIV 100 80 60 40 20 0 -20 1.0 10 100 1.0 k 10 k f, FREQUENCY (Hz) 100 k 1.0 M VCC = +15 V VEE = -15 V TA = 25C
Figure 2. Open Loop Frequency Response
50 mV/DIV *Note Class A B output stage produces distortion less sinewave. 50 s/DIV
Figure 3. Power Bandwidth
30 VO, OUTPUT VOLTAGE (Vpp ) 25 - 20 15 10 5.0 TA = 25C 0 -5.0 1.0 k 10 k 100 k f, FREQUENCY (Hz) 1.0 M +
-15 V +15 V VO 10 k
Figure 4. Output Swing versus Supply Voltage
VO, OUTPUT VOLTAGE RANGE (V pp) 30 TA = 25C
20
10
0 0 2.0 4.0 6.0 8.0 10 12 14 16 18 VCC AND (VEE), POWER SUPPLY VOLTAGES (V) 20
Figure 5. Input Bias Current versus Temperature
300 I IB, INPUT BIAS CURRENT (nA) VCC = +15 V VEE = -15 V TA = 25C
Figure 6. Input Bias Current versus Supply Voltage
I IB , INPUT BIAS CURRENT (nA)
170
200
160
100
-75 -55
-35
-15
5.0
25
45
65
85
105 125
150
0
2.0
4.0
6.0
8.0
10
12
14
16
18
20
T, TEMPERATURE (C)
VCC AND (VEE), POWER SUPPLY VOLTAGES (V)
MOTOROLA ANALOG IC DEVICE DATA
5
MC3458 MC3358
Figure 7. Voltage Reference
VCC VCC 10 k R2 - 5.0 k
1/2
Figure 8. Wien Bridge Oscillator
50 k
MC3458 + 10 k R1
VO
10 k Vret -
1/2
VCC MC3458 + VO fo = 1 2RC For: = 1.0 kHz = 16 k = 0.01 F C fo R
R1 VO = R1 +R2 1 VO = V 2 CC
Vref = 1 VCC 2 R R C C
Figure 9. High Impedance Differential Amplifier
e1 + 1 R C
Figure 10. Comparator with Hysteresis
R2 VOH Vret R1 + VO VO VOL VinL VinL = VinH = R1 (VOL - Vref) +Vref R1 +R2 R1 (VOH - Vref) +Vref R1 +R2 R1 (VOH - VOL) R1 +R2 VinH Vref Hysteresis
1/2
R
MC3458 - -
1/2
R1
a R1
1/2
MC3458 + b R1 - 1/2 MC3458 + 1 R C
eo
Vin
MC3458 -
e2
R Vh =
eo = C (1 +a +b) (e2 -e1)
Figure 11. Bi-Quad Filter
R 100 k C - 100 k
R C1 Vin C -
1/2
fo = 1 2RC R1 = QR R2 = R1 TBP R3 = TN R2 C1 = 10 C For: fo = 1.0 kHz Q = 10 TBP = 1 TN = 1 Notch Output 1 Vref = V 2 CC R = 160 k C = 0.001 F R1 = 1.6 M R2 = 1.6 M R3 = 1.6 M
R2
MC3458 + Vref Vref R2 R1 Bandpass Output
1/2
MC3458 + Vref
-
1/2
MC3458 + R3 -
1/2
C1
Where:
TBP = center frequency gain TN = passband notch gain
MC3458 + Vref
6
MOTOROLA ANALOG IC DEVICE DATA
MC3458 MC3358
Figure 12. Function Generator
Vref = 1 VCC 2 Vref +
Triangle Wave Output
1/2
R2 300 k R3 + 75 k R1 100 k Vref
1/2
MC3458 - C Rf f=
MC3458 -
Square Wave Output
R1 +RC 4 CRf R1
if,
R3 = R2 R1 R2 +R1
Figure 13. Multiple Feedback Bandpass Filter
VCC C Vin R1 C R3 -
1/2
R2 Vref Given:
MC3458 +
VO CO CO = 10 C Vref = 1 VCC 2
fo = center frequency A(fo) = gain at center frequency
Choose value fo, C. Then: R3 = Q fo C R1 = R3 2 A(fo) R2 = R1 R5 4Q2 R1 - R3 Qo fo < 0.1 BW
For less than 10% error from operational amplifier where, fo and BW are expressed in Hz.
If source impedance varies, filter may be preceded with voltage follower buffer to stabilize filter parameters.
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters which may be provided in Motorola data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.
MOTOROLA ANALOG IC DEVICE DATA
7
MC3458 MC3358
OUTLINE DIMENSIONS
P1 SUFFIX PLASTIC PACKAGE CASE 626-05 ISSUE K
8 5
-B-
1 4
F
NOTE 2
NOTES: 1. DIMENSION L TO CENTER OF LEAD WHEN FORMED PARALLEL. 2. PACKAGE CONTOUR OPTIONAL (ROUND OR SQUARE CORNERS). 3. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. DIM A B C D F G H J K L M N MILLIMETERS MIN MAX 9.40 10.16 6.10 6.60 3.94 4.45 0.38 0.51 1.02 1.78 2.54 BSC 0.76 1.27 0.20 0.30 2.92 3.43 7.62 BSC --- 10_ 0.76 1.01 INCHES MIN MAX 0.370 0.400 0.240 0.260 0.155 0.175 0.015 0.020 0.040 0.070 0.100 BSC 0.030 0.050 0.008 0.012 0.115 0.135 0.300 BSC --- 10_ 0.030 0.040
-A- L
C -T-
SEATING PLANE
J N D K
M
M
H
G 0.13 (0.005) TA
M
B
M
D SUFFIX PLASTIC PACKAGE CASE 751-05 (SO-8) ISSUE R
NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994. 2. DIMENSIONS ARE IN MILLIMETERS. 3. DIMENSION D AND E DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE. 5. DIMENSION B DOES NOT INCLUDE MOLD PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS OF THE B DIMENSION AT MAXIMUM MATERIAL CONDITION. DIM A A1 B C D E e H h L MILLIMETERS MIN MAX 1.35 1.75 0.10 0.25 0.35 0.49 0.18 0.25 4.80 5.00 3.80 4.00 1.27 BSC 5.80 6.20 0.25 0.50 0.40 1.25 0_ 7_
A
8
D
5
C
E
1 4
H
0.25
M
B
M
h B C e A
SEATING PLANE
X 45 _
q
L 0.10 A1 0.25 B
M
CB
S
A
S
q
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MOTOROLA ANALOG IC DEVICE DATA MC3458/D
*MC3458/D*

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