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AN6555, AN6556, AN6556S
Low Noise Dual Operational Amplifiers
s Overview
The AN6555, the AN6556, and the AN6556S are low noise, high slew rate dual operational amplifiers with phase compensation circuits built-in. They are suitable for applications to various electronic circuits such as active filters and audio preamplifiers.
AN6555
2.40.25 3.30.25 6.00.3 Unit:mm
8
0.50.1
7
23.30.3
6 5 4
2 1 0.3 - 0.05
+ 0.1
* Phase compensation circuit * High voltage gain:Gv=100 dB typ. * Low noise:input referred noise voltage Vni=1.5 Vrms typ. * High slew rate:SR=2V/ s typ. * Output short-circuit protection
3.00.3
9-pin SIL Plastic Package (SIP009-P-0000)
AN6556
1.40.3 30
s Features
1.50.25
3
1.50.25
2.54
9
Unit:mm
1
9.40.3
8 7
2 3 4 6.30.3
5 0.51min. 3.80.25 (3.45)
s Block Diagram
AN6555
3--15
+ 0.1
7.620.25
0.15 - 0.05
8-pin DIL Plastic Package (DIP008-P-0300B)
1 - 1 VCC 2 3 + 4 5 + 6
2 - 7 8 9 VCC
0.60.3 0.40.25
AN6556S
Unit:mm
VO1 Vin1- Vin1+ VEE Vin2+ Vin2- VO2 (GND)
1 2 3 4
8 7 6 5 5.00.3 0.15 0.65 1.50.2
VO1 Vin1- Vin1+ VEE (GND)
1 2 3 4 - 1 + 2 + -
8 7 6 5
VCC VO2 Vin2- Vin2+
0.10.1
1.27
AN6556 AN6556S
0.3
4.20.3 6.50.3
8-pin PANAFLAT Plastic Package (SOP008-P-0225A)
2.54
6
0.50.1 1.20.25
s Pin Descriptions
AN6555 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 AN6556, AN6556S 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 AN6555, AN6556 AN6556S AN6555, AN6556 AN6556S 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 = RL> 2k = 86 12 10 12 70 100 14 13 14 90 30 90 2 1.5 150 170 RS < 10k = Condition min typ 0.5 5 max 6 200 500 Unit mV nA nA dB V V V dB V/V mW V/s Vrms
s Characteristics Curve
GV-f
160 140 30
VO (max.) - RL
Maximum Output Voltage VO (max.) (V)
VCC=15V VEE=-15V Ta=25C VCC=15V VEE=-15V Ta=25C
Vni - f
Equivalent Input Noise Voltage Vni (nV/ Hz)
200 VCC=15V VEE=-15V Ta=25C
25
100
Voltage Gain GV (dB)
120 100 80 60 40 20 0
20
50 30 20
15
10
10
5
5 3 0 10 100 1k 10k
0 1 10 100 1k 10k 100k 1M 10M 100M 10 100 1k 10k 100k
Frequency f (Hz)
Load Resistance RL ()
Frequency f (Hz)
VO (max.) - f
40 20
VCM-VCC
20
VO (max.) -VCC
Maximum Output Voltage VO (max.) (V)
15 10 5 0 -5 -10 -15 -20
35 30 25 20 15 10 5 0
Common-Mode Input Voltage VCM (V)
Maximum Output Voltage VO (max.) (V)
VCC=15V VEE=-15V RL=2k
15 10 5 0 -5 -10 -15 -20
0
10
100
1k
10k
100k
1M
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)
VO - t
12 5
ICC-Ta
VCC=15V VEE=-15V Ta=25C
10
8
Supply Current ICC (mA)
0 10 20 30 40 50 60
4
Output Voltage VO (V)
3
6
2
4
2
1
0
0 -20
0
20
40
60
80
100
Time t (s)
Ambient Temperature Ta (C)
s Application Circuit
15V
+ - Input - + 2.2k + OP. Amp. 56k -
100F
3.3F
0.47F
+
-
2.2F 100F - + -15V 30k + 47F - 610 0.0024F 0.0082F 330k 220k

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