Datasheet Analog Devices AD8684 — 数据表

Dual/Quad Low Power, High Speed
JFET Operational Amplifiers
AD8682/AD8684 APPLICATIONS
Portable telecommunications
Low power industrial and instrumentation
Loop filters
Active and precision filters
Integrators
Strain gauge amplifiers
Portable medical instrumentation
Supply current monitoring PIN CONFIGURATIONS
OUT A 1 8 V+ –IN A 2 AD8682 7 OUT B +IN A 3 TOP VIEW
(Not to Scale) 6 –IN B 5 +IN B V– 4 06278-001 Low supply current: 250 μA/amp maximum
High slew rate: 9 V/μs
Bandwidth: 3.5 MHz typical
Low offset voltage: 1 mV maximum @ 25°C
Low input bias current: 20 pA maximum @ 25°C
CMRR: 90 dB typical
Fast settling time
Unity-gain stable Figure 1. 8-Lead SOIC_N and 8-Lead MSOP OUT A 1 14 OUT D –IN A 2 13 –IN D +IN A 3 12 +IN D 11 V– +IN B 5 10 +IN C –IN B 6 9 –IN C OUT B 7 8 OUT C V+ 4 AD8684 TOP VIEW
(Not to Scale) 06278-002 FEATURES Figure 2. 14-Lead SOIC_N and 14-Lead TSSOP GENERAL DESCRIPTION
The AD8682 and AD8684 are dual and quad low power, precision
(1 mV) JFET amplifiers featuring excellent speed at low supply …