Datasheet AD8691, AD8692, AD8694 (Analog Devices)

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Low Cost, Low Noise, CMOS, RRO Operational Amplifiers Data Sheet AD8691/ AD8692/ AD8694 FEATURES PIN CONFIGURATIONS Offset voltage: 400 µV typical Low offset voltage drift: 6 µV/°C maximum (AD8692/ AD8694) OUT 1 5 V+ AD8691 Very low input bias currents: 1 pA maximum V– 2 TOP VIEW (Not to Scale) Low noise: 8 nV/√Hz +IN 3 4 –IN
030
Low distortion: 0.0006%
04991-
Wide bandwidth: 10 MHz
Figure 1. 5-Lead TSOT
Unity-gain stable AD8691 Single-supply operation: 2.7 V to 6 V OUT A 1 5 V+ Qualified for automotive applications V– 2 APPLICATIONS
031
+IN A 3 4 –IN
04991-
Photodiode amplification
Figure 2. 5-Lead SC70
Battery-powered instrumentation AD8692 Medical instruments Multipole filters OUT A 1 8 V+ –IN A 2 7 OUT B Sensors +IN A 3 6 –IN B Portable audio devices V– 4 5 +IN B GENERAL DESCRIPTION
134
TOP VIEW (Not to Scale)
04991- The AD8691, AD8692, and AD8694 are low cost, single, dual, Figure 3. 8-Lead SOIC and 8-Lead MSOP and quad rail-to-rail output, single-supply amplifiers featuring low offset and input voltages, low current noise, and wide signal
OUT A 1 14 OUT D
bandwidth. The combination of low offset, low noise, very low
–IN A 2 13 –IN D
input bias currents, and high speed make these amplifiers useful
+IN A 3 AD8694 12 +IN D TOP VIEW
in a wide variety of applications. Filters, integrators, photodiode
V+ 4 11 V– (Not to Scale)
amplifiers, and high impedance sensors all benefit from this
+IN B 5 10 +IN C
combination of performance features. Audio and other ac
–IN B 6 9 –IN C
applications benefit from the wide bandwidth and low 156
OUT B 7 8 OUT C
distortion of these devices. 04991- Figure 4. 14-Lead SOIC and 14-Lead TSSOP Applications for these amplifiers include power amplifier (PA) controls, laser diode control loops, portable and loop-powered instrumentation, audio amplification for portable devices, and ASIC input and output amplifiers. The small SC70 and TSOT package options for the AD8691 allow it to be placed next to sensors, thereby reducing external noise pickup. The AD8691, AD8692, and AD8694 are specified over the extended industrial temperature range of −40°C to +125°C. The AD8691 single is available in 5-lead SC70 and 5-lead TSOT packages. The AD8692 dual is available in 8-lead MSOP and narrow SOIC surface-mount packages. The AD8694 quad is available in 14-lead TSSOP and narrow 14-lead SOIC packages. See the Ordering Guide section for automotive grades.
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Document Outline Features Applications General Description Pin Configurations Table of Contents Revision History Specifications Electrical Characteristics Absolute Maximum Ratings Thermal Characteristics ESD Caution Typical Performance Characteristics Outline Dimensions Ordering Guide Automotive Products