Datasheet AD8597, AD8599 (Analog Devices)

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Single and Dual, Ultralow Distortion, Ultralow Noise Op Amps Data Sheet AD8597/ AD8599 FEATURES PIN CONFIGURATIONS Low noise: 1.1 nV/√Hz at 1 kHz NC 1 8 NC Low distortion: −120 dB THD at 1 kHz –IN 2 AD8597 7 V+ Input noise, 0.1 Hz to 10 Hz: <76 nV p-p +IN 3 TOP VIEW 6 OUT (Not to Scale)
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Slew rate: 14 V/μs V– 4 5 NC
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Wide bandwidth: 10 MHz
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NC = NO CONNECT
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Supply current: 4.8 mA/amp typical
Figure 1. AD8597 8-Lead SOIC (R-8)
Low offset voltage: 10 μV typical CMRR: 120 dB Unity-gain stable PIN 1 NC 1 ±15 V operation INDICATOR 8 NC –IN 2 7 V+ AD8597 APPLICATIONS +IN 3 6 OUT TOP VIEW V– 4 5 NC Professional audio preamplifiers ATE/precision testers NOTES Imaging systems 1. NC = NO CONNECT.
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2. IT IS RECOMMENDED THAT THE
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Medical/physiological measurements
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EXPOSED PAD BE CONNECTED
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TO V–.
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Precision detectors/instruments
Figure 2. AD8597 8-Lead LFCSP (CP-8-2)
Precision data conversion OUT A 1 8 +V –IN A 2 AD8599 7 OUT B +IN A 3 TOP VIEW 6 –IN B
54 0
–V (Not to Scale) 4 5 +IN B
4- 27 06 Figure 3. AD8599 8-Lead SOIC (R-8)
GENERAL DESCRIPTION
The AD8597/AD8599 are very low noise, low distortion opera- The AD8597 is available in 8-lead SOIC and LFCSP packages, tional amplifiers ideal for use as preamplifiers. The low noise of while the AD8599 is available in an 8-lead SOIC package. They 1.1 nV/√Hz and low harmonic distortion of −120 dB (or better) are both specified over a −40°C to +125°C temperature range. at audio bandwidths give the AD8597/AD8599 the wide dynamic The AD8597 and AD8599 are members of a growing series of range necessary for preamplifiers in audio, medical, and instru- low noise op amps offered by Analog Devices, Inc. (see Table 1). mentation applications. The excellent slew rate of 14 V/μs and 10 MHz gain bandwidth make them highly suitable for medical
Table 1. Low Noise Op Amps
applications. The low distortion and fast settling time make
Package 0.9 nV 1.1 nV 1.8 nV 2.8 nV 3.8 nV
them ideal for buffering of high resolution data converters. Single AD797 AD8597 ADA4004-1 AD8675 AD8671 Dual AD8599 ADA4004-2 AD8676 AD8672 Quad ADA4004-4 AD8674
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Document Outline Features Applications Pin Configurations General Description Table of Contents Revision History Specifications Absolute Maximum Ratings Thermal Resistance Power Sequencing ESD Caution Typical Performance Characteristics Functional Operation Input Voltage Range Output Phase Reversal Noise and Source Impedance Considerations Outline Dimensions Ordering Guide