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AN6557, AN6558, AN6558S
Dual Low Noise, High Slew Rate Operational Amplifiers
s Overview
The AN6557, the AN6558, and the AN6558S are low noise, high slew rate dual operational amplifiers with phase compensation circuits built-in. They are suitable for application to various electronic circuits such as active filters and audio preamplifiers. Moreover, they are high output current type and can also be used as headphone amplifiers.
AN6557
8 6 21.70.3 5 4 3 2 1 2.54 0.50.1 7 0.40.25 9 Unit:mm
1.00.25 2.70.25 4.30.3 0.3 - 0.05
+ 0.1
s Features
* Phase compensation circuit * High voltage gain:GV=100dB typ. * Low noise:Vni=0.9 Vrms typ. * High slew rate:SR=6V/ s typ. * High output current:IO=25mA typ.
1.350.25 9-pin SIL Plastic Package (Slim) (SIP009-P-0000A)
AN6558
1.20.25 1.40.25
Unit:mm
1 9.40.3 2 3 4 6.30.3
8 7
5 0.51min. 3.80.25 (3.45)
s Block Diagram
+ 0.1
AN6557
3--15
7.620.25
0.15 - 0.05
8-pin DIL Plastic Package (DIP008-P-0300B)
1 - 1 2 3
- in1
2 + 4 V
+ in1
+ 5 6
+ in2
- 7 Vin2
-
AN6558S
0.40.25
Unit:mm
8 VO2
9 VCC
0.60.3
VCC VO1 V
VEE V (GND)
1 2 3 4
8 7 6 5 5.00.3 0.15 0.65 1.50.2
VO1 Vin1- Vin1+
1 2 3 - 1 + 2 - +
8 7 6 5
VCC VO2 Vin2- Vin2+
0.10.1
1.27
AN6558 AN6558S
0.3
4.20.3 6.50.3
VEE 4 (GND)
8-pin PANAFLAT Plastic Package (SO-8D) (SOP008-P-0255A)
2.54
6
0.50.1 1.20.25
s Pin Descriptions
AN6557 Pin No. 1 2 3 4 5 6 7 8 9 VCC Ch. 1 output Ch. 1 inverting input Ch. 1 non inverting input VEE (GND) Ch. 2 non inverting input Ch. 2 inverting input Ch. 2 output VCC Pin name AN6558, AN6558S Pin No. 1 2 3 4 5 6 7 8 Pin name Ch. 1 output Ch. 1 inverting input Ch. 1 non inverting input VEE (GND) Ch. 2 non inverting input Ch. 2 inverting input Ch. 2 output VCC
s Absolute Maximum Ratings (Ta=25C)
Parameter Supply voltage Voltage Differential input voltage Common-mode input voltage Power dissipation AN6557, AN6558 AN6558S AN6557, AN6558 AN6558S Symbol VCC VID VICM PD Topr Tstg Rating 18 30 15 500 360 -20 to +75 -55 to +150 -55 to +125 Unit V V V mW C C
Operating ambient temperature Storage temperature
s Electrical Characteristics (VCC=15V, VEE=-15V, Ta=25C)
Parameter Input offset voltage Input offset current Input bias current Voltage gain Maximum output voltage Common-mode input voltage width Common-mode rejection ratio Supply voltage rejection ratio Power consumption Slew rate Equivalent input noise voltage Symbol VI (offset) IIO IBias GV VO (max.) VCM CMR SVR PC SR Vni RL= RL > 2k = RS=1k, DIN/AUDIO RL > 2k, VO=10V = RL > 10k = IO=25mA 86 12 10 12 70 RS < 10k = Condition min typ 0.3 10 1300 100 14 12 14 100 10 150 6 0.9 150 240 max 3 200 2000 Unit mV nA nA dB V V V dB V/V mW V/s Vrms
s Characteristics Curve
GV- f
160 140 40
VO (max.) - f
30 VCC=15V VEE=-15V RL=2k
VO - IO
Maximum Output Voltage VO (max.) (V)
VCC=15V VEE=-15V RL=2k
35 30 25 20 15 10 5 0
25
Output Voltage VO (V)
Voltage Gain GV (dB)
120 100 80 60 40 20 0
20
15
VCC=15V VEE=-15V Ta=25C
10
5
0 0 10 100 1k 10k 100k 1M 0 10 20 30 40 50 60
0
10 100 1k 10k 100k 1M 10M 100M
Frequency f (Hz)
Frequency f (Hz)
Load Current IO (mA)
Vni - f
Equivalent Input Noise Voltage Vni (nV/ Hz)
200 8 VCC=15V VEE=-15V Ta=25C 7
ICC -VCC
20
VO (max.) -VCC
Maximum Output Voltage VO (max.) (V)
15 10 5 0 -5 -10 -15 -20 Ta=25C RL=2k
VCC=-VEE
100
Supply Current ICC (mA)
6 5 4 3 2 1 0
50 30 20
10
5 3 0 10 100 1k 10k
0
2
4
6
8
10
12
14
16
0
2
4
6
8
10
12
14
16
Frequency f (Hz)
Supply Voltage VCC (V)
Supply Voltage VCC (V)
s Application Circuit
RIAA Amplifier
15V
+ - Input - + 2.2k + 3.3F 56k - OP. Amp. 100F - + -15V 30k + 47F - 0.0024F 0.0082F 330k 220k 0.47F + - 100F
2.2F
610

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