AD8664:  16 V Precision Quad CMOS Rail - to - Rail Operational Amplifier

The AD8664 is a quad rail-to-rail output single supply amplifiers that use Analog Devices’ patented DigiTrim® trimming technique to achieve low offset voltage. The AD8664 family features an ...More

AD8664:  16 V Precision Quad CMOS Rail - to - Rail Operational Amplifier

Product Description

The AD8664 is a quad rail-to-rail output single supply amplifiers that use Analog Devices’ patented DigiTrim® trimming technique to achieve low offset voltage. The AD8664 family features an extended operating range with supply voltages up to 16 V. They also feature low input bias currents, wide signal bandwidth, and low input voltage and current noise.

The combination of low offsets, very low input bias currents, and wide supply range make these amplifiers useful in a wide variety of applications normally associated with much higher priced JFET amplifiers. Systems utilizing high impedance sensors, such as photo-diodes benefit from the combination of low input bias current, low noise, low offset and bandwidth. The wide operating voltage range matches today’s high performance ADCs and DACs. Audio applications and medical monitoring equipment can take advantage of the high input impedance, low voltage and current noise, wide bandwidth and the lack of “popcorn” noise (found in many other low input bias current amplifiers).

The AD8664 is specified over the extended industrial (-40° to +125°C) temperature range. The AD8664, quad, is available in the 14-lead SOIC and TSSOP surface mount packages.


Applications
  • Multi-pole Filters
  • Precision References
  • Physiological Measurements
  • Sensors
  • Medical Equipment
  • Consumer Audio
  • Photodiode Amplification
  • Buffer/Level Shifting
  • ADC Driver

    • Features

    • Low Offset Voltage:100µV max
    • Low Input Bias Currents 1pA Max
    • Single-Supply Operation: 5 to 16 Volts
    • Dual-Supply Operation: +/- 2.5 to +/-8 Volts
    • Low Noise: 10 nV/√Hz
    • Wide Bandwidth: 4 MHz
    • Unity Gain Stable

    Diagrams

    AD8664 Diagram
    Pin Configuration Diagram for AD8664

    Specifications

    -3dB Bandwidth 4MHz
    Slew Rate 3.5V/µs
    Vos 50µV
    Ib 0.3pA
    Input Noise (nV/rtHz) 12nV/rtHz
    Vcc-Vee Supply (V) 5 to 16
    Iq per Amplifier (max) 1.55mA
    # OpAmps per Pkg 4
    Operating Temp Range -40 to +125
    Packages SOIC,SOP

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    Part# Small Signal Bandwidth Slew Rate Vos Ib V Noise Density Amplifiers Per Package Widest Temp Range (°C)
    AD8664 4MHz 3.5V/µs 50µV 300fA 12nV/rtHz 4 -40 to +125
    AD8608 10MHz 5V/µs 20µV 200fA 6.5nV/rtHz 4 -40 to +125
    AD8618 24MHz 12V/µs 23µV 200fA 6nV/rtHz 4 -40 to +125
    AD8674 10MHz 4V/µs 20µV 3nA 2.8nV/rtHz 4 -40 to +125
    OP462 15MHz 13V/µs 25µV 260nA 9.5nV/rtHz 4 -40 to +125
    AD8668 4MHz 3.5V/µs 600µV 200fA 10nV/rtHz 4 -40 to +125
    AD8694 10MHz 5V/µs 400µV 200fA 8nV/rtHz 4 -40 to +125
    AD8648 22MHz 12V/µs 700µV 200fA 6nV/rtHz 4 -40 to +125