AD8066:  High Performance, 145 MHz FastFET™ Op Amp

The AD8065/AD8066 FastFET amplifiers are voltage feedback amplifiers with FET inputs offering high performance and ease of use. The AD8065 is a single amplifier, and the AD8066 is a dual ...More

AD8066:  High Performance, 145 MHz FastFET™ Op Amp

Product Description

The AD8065/AD8066 FastFET amplifiers are voltage feedback amplifiers with FET inputs offering high performance and ease of use. The AD8065 is a single amplifier, and the AD8066 is a dual amplifier. These amplifiers are developed in the Analog Devices, Inc. proprietary XFCB process and allow exceptionally low noise operation (7.0 nV/√Hz and 0.6 fA/√Hz) as well as very high input impedance.

With a wide supply voltage range from 5 V to 24 V, the ability to operate on single supplies, and a bandwidth of 145 MHz, the AD8065/AD8066 are designed to work in a variety of applications. For added versatility, the amplifiers also contain rail-to-rail outputs.

The AD8065/AD8066 are high performance, high speed, FET input amplifiers available in small packages: SOIC-8, MSOP-8, and SOT-23-5. They are rated to work over the industrial temperature range of -40°C to +85°C.

1Protected by U.S. Patent No. 6,262,633.

Features

  • FET input amplifier
  • 1 pA input bias current
  • High speed: 145 MHz, -3 dB bandwidth
    (G = +1)
  • 180 V/µs slew rate (G = +2)
  • Low noise
    7 nV/√Hz (f = 10 kHz)
    0.6 fA/√Hz (f = 10 kHz)
  • Wide supply voltage range: 5 V to 24 V
  • Single-supply and rail-to-rail output
  • Low offset voltage 1.5 mV maximum
  • High common-mode rejection ratio: -100 dB
  • Excellent distortion specifications
  • SFDR -88 dB @ 1 MHz
  • Low power: 6.4 mA/amplifier typical supply current

Diagrams

AD8066 Diagram
Pin Configuration Diagram for AD8066

Specifications

-3dB Bandwidth 145MHz
Slew Rate 180V/µs
Vos 400µV
Ib 2pA
Input Noise (nV/rtHz) 7nV/rtHz
Vcc-Vee Supply (V) 5 to 24
Iq per Amplifier (max) 7.4mA
# OpAmps per Pkg 2
Operating Temp Range -40 to +85
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)
AD8066 145MHz 180V/µs 400µV 2pA 7nV/rtHz 2 -40 to +85
AD8065 145MHz 180V/µs 400µV 2pA 7nV/rtHz 1 -40 to +85
AD8067 54MHz 640V/µs 200µV 600fA 6.6nV/rtHz 1 -40 to +85
AD8652 50MHz 41V/µs 100µV 1pA 5nV/rtHz 2 -40 to +125
AD8620 25MHz 50V/µs 85µV 2pA 6nV/rtHz 2 -40 to +125
AD8018 130MHz 300V/µs 1mV 1µA 4.5nV/rtHz 2 -40 to +85
AD812 145MHz 425V/µs 2mV 300nA 3.5nV/rtHz 2 -40 to +85