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Advanced Analog Circuits
Data Sheet AZ4558A
DUAL LOW NOISE OPERATIONAL AMPLIFIERS General Description
The AZ4558A consists of two low noise, high performance operational amplifiers. It is specially suitable for applications in differential-in, differential-out as well as in industrial measurement tools and applications where gain and phase matched channels are mandatory. The IC features monolithic silicon chip, internal frequency compensation, low noise, low distortion, wide operating voltage range, high gain and high bandwidth. The AZ4558A can operate under dual power supply voltage up to 18V or single power supply up to 36V.
Features
* * * * * * Operating voltage: 2V ~ 18V Large DC voltage gain: 110 dB Low input noise voltage: 1VRMS Wide gain bandwidth product: 7 MHz Slew rate: 3V/s Package outline: DIP8, SOIC8
Applications
* * * Audio AC-3 decoded system Audio amplifier AC/DC converter
SOIC-8
DIP-8
Figure 1. Package Types of AZ4558A
August 2003
1
Rev.1.1
Advanced Analog Circuits
Data Sheet AZ4558A
DUAL LOW NOISE OPERATIONAL AMPLIFIERS Pin Configuration
SOIC-8/DIP-8
OUTPUT 1 INPUT 1INPUT 1+ VEE 1 2 3 4 8 7 6 5 VCC OUTPUT 2 INPUT 2INPUT 2+
Top View Figure 2. Pin Configuration of AZ4558A
Functional Block Diagram
VCC
-INPUT +INPUT
OUTPUT
VEE
Figure 3. Representative Schematic Diagram of AZ4558A (Each Amplifier)
August 2003
2
Rev.1.1
Advanced Analog Circuits
Data Sheet AZ4558A
DUAL LOW NOISE OPERATIONAL AMPLIFIERS Ordering Information
Package SOIC-8 DIP-8 Temperature Range -40oC to 85oC Part Number AZ4558AM AZ4558AP Marking ID 4558AM AZ4558AP
Packing Type Tube/Tape/Reel Tube
AZ 4558A Y Circuit Type Package M: SOIC-8 P: DIP-8
Absolute Maximum Ratings (Note 1)
Parameter Power Supply Voltage Differential Input Voltage Input Voltage Power Dissipation Operating Temperature Range Storage Temperature Range ESD (Human Body Model) ESD (Machine Model) Symbol VCC VEE VID VIC PD TOP TSTG DIP SOIC -40 to 85 -60 to 150 3000 400 Value + 20 - 20 30 15 800 800 Unit V V V mW
oC oC
V V
Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability.
Recommended Operating Conditions
Parameter Supply Voltage Min 2 Max 18 Unit V
August 2003
3
Rev.1.1
Advanced Analog Circuits
Data Sheet AZ4558A
DUAL LOW NOISE OPERATIONAL AMPLIFIERS Electrical Characteristics
Operating Conditions: VCC = +15V, VEE = - 15V, TA= 25oC unless otherwise specified. Parameter Input Offset Voltage Input Bias Current Input Offset Current Supply Current Large Signal Voltage Gain Common Mode Rejection Ratio Power Supply Rejection Ratio Output Voltage Swing Output Sink Current Output Source Current Slew Rate Equivalent Input Noise Voltage Gain Bandwidth Product RIAA, Rs=1K, 30KHz LPF f = 10KHz RL 2, VO = 10V RS 10 RS 10 RL2K RL10K V-=1V, V+ =0V, VO=2V V+ =1V, V-=0V, VO=2V RS 10 Conditions Min 85 80 80 Typ 0.5 65 5 2.5 110 100 100
Max 3 250 50 4 -
Unit mV nA nA mA dB dB dB V mA mA V / S
10 12
13 14
70 45 3 1
-
VRMS
MHz
7
August 2003
4
Rev.1.1
Advanced Analog Circuits
Data Sheet AZ4558A
DUAL LOW NOISE OPERATIONAL AMPLIFIERS Typical Performance Characteristics
120 110
30
Open Loop Voltage Gain (dB)
100 90 80 70 60 50 40 30 20 10 0 1 10 100 1k
VCC=15V, VEE=-15V
Output Voltage Swing (V)
RL=2K,TA=25 C
o
25
20
15
10
VCC=15V,VEE=-15V, RL=2K, TA=25 C
o
5
10k
100k
1M
10M
0
10
1
10
2
10
3
10
4
10
5
10
6
Frequency (Hz)
Frequency (Hz)
Figure 4. Open Loop Voltage Gain vs. Frequency
Figure 5. Maximum Output Voltage Swing vs. Frequency
30 28
10
3
VCC=15V,VEE=-15V TA=25 C
o
Equivalent Input Noise Voltage (nV/(HZ) )
0.5
Output Voltage Swing (V)
26 24 22 20 18 16 14 12 0.1
VCC=15V, VEE=-15V
10
2
RS=50,TA=25 C
o
10
1
10
0
1
10
10
0
10
1
10
2
10
3
Load Resistance (K)
Frequency (Hz)
Figure 6. Maximum Output Voltage Swing vs. Load Resistance
Figure 7. Equivalent Input Noise Voltage vs. Frequency
August 2003
5
Rev.1.1
Advanced Analog Circuits
Data Sheet AZ4558A
DUAL LOW NOISE OPERATIONAL AMPLIFIERS Typical Performance Characteristics (Continued)
80
1.2 1.1 1.0
70 60
Offset Voltage (mV)
0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 -25 0 25 50
o
Bias Current (nA)
50 40 30 20 10 0
V CC=15V V EE=-15V
VCC=15V VEE=-15V
75
100
125
-25
0
25
50
75
o
100
125
Ambient Temperature ( C)
Ambient Temperature ( C)
Figure 8. Input Offset Voltage vs. Temperature
Figure 9. Input Bias Current vs. Temperature
Typical Applications
BOOST-BASS-CUT R1 11K Vi C1 0.05F C2 0.05F R2 100K R3 11K
R4 11K
C3 0.005F 1/2 AZ4558A + VO
R5 3.6K
R6 500K BOOST-TREBLE-CUT
R7 3.6K
Figure 10. Tone Control
August 2003
6
Rev.1.1
Advanced Analog Circuits
Data Sheet AZ4558A
DUAL LOW NOISE OPERATIONAL AMPLIFIERS Typical Applications (Continued)
VO 10F 6.2K 20K 8 7 + AZ4558A + 1 D2 15K 20K 2 3 4 6 5
20K
20K
D1
10K VIN
Figure 11. AC/DC Converter
August 2003
7
Rev.1.1
Advanced Analog Circuits
Data Sheet AZ4558A
DUAL LOW NOISE OPERATIONAL AMPLIFIERS Mechanical Dimensions DIP - 8
Unit:mm
9.20.10
6
6
7.620.25 5
3.300.30
1.460.31
0.7
4
4
3x0.150.05
0.254 0.457
2.54 0.13MIN
0.280.07 10.0MAX
R0.75
August 2003
6.600.50
8
Rev.1.1
Advanced Analog Circuits
Data Sheet AZ4558A
DUAL LOW NOISE OPERATIONAL AMPLIFIERS Mechanical Dimensions (Continued) SOIC - 8
Unit:mm
1.550.20
0.220.03
0.32
8
4.90.10 7
0.700.025
0.20.10
7
8
D
6.000.20
D 20:1
0.8
3.900.10
4 4
0.90
1.00
R0.15
R0.15
0.420.09
3 2
August 2003
0.20
9
Rev.1.1
Advanced Analog Circuits
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