Datasheet OP471 (Analog Devices)

a
High Speed, Low Noise Quad Operational Amplifier OP471 FEATURES PIN CONFIGURATIONS Excellent Speed: 8 V/ s Typ 14-Lead 14-Lead Low Noise: 11 nV/
÷
Hz @ 1 kHz Max Hermetic Dip Plastic Dip Unity-Gain Stable (Y-Suffix) (P-Suffix) High Gain Bandwidth: 6.5 MHz Typ Low Input Offset Voltage: 0.8 mV Max Low Offset Voltage Drift: 4 V/ C Max OUT A 1 14 OUT D OUT A 1 14 OUT D High Gain: 500 V/mV Min –IN A 2 13 –IN D –IN A 2 13 –IN D Outstanding CMR: 105 dB Min +IN A 3 12 +IN D +IN A 3 12 +IN D Industry Standard Quad Pinouts V+ 4 OP471 11 V– V+ 4 OP471 11 V– +IN B 5 10 +IN C GENERAL DESCRIPTION +IN B 5 10 +IN C –IN B 6 9 –IN C
The OP471 is a monolithic quad op amp featuring low noise,
–IN B 6 9 –IN C
11 nV/
OUT B 7 8 OUT C
÷Hz Max @ 1 kHz, excellent speed, 8 V/ms typical, a
OUT B 7 8 OUT C
gain bandwidth of 6.5 MHz, and unity-gain stability. The OP471 has an input offset voltage under 0.8 mV and an
16-Lead SOIC
input offset voltage drift below 4 mV/∞C, guaranteed over the full
(S-Suffix)
military temperature range. Open-loop gain of the OP471 is over 500,000 into a 10 kW load ensuring outstanding gain accuracy
OUT A 1 16 OUT D
and linearity. The input bias current is under 25 nA limiting errors due to signal source resistance. The OP471’s CMR of
–IN A 2 15 –IN D
over 105 dB and PSRR of under 5.6
+IN A 3 14 +IN D
mV/V significantly reduce errors caused by ground noise and power supply fluctuations.
V+ 4 13 OP471 V– +IN B 5 12 +IN C
The OP471 offers excellent amplifier matching which is important
–IN B 6 11 –IN C
for applications such as multiple gain blocks, low-noise instru- mentation amplifiers, quad buffers and low-noise active filters.
OUT B 7 10 OUT C NC 8 9 NC
The OP471 conforms to the industry standard 14-lead DIP pinout. It is pin-compatible with the LM148/LM149, HA4741,
NC = NO CONNECT
RM4156, MC33074, TL084 and TL074 quad op amps and can be used to upgrade systems using these devices. For applications requiring even lower voltage noise the OP470 with a voltage density of 5 nV/÷Hz Max @ 1 kHz is recommended.
V+ BIAS OUT –IN +IN V–
Figure 1. Simplified Schematic REV. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that
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