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AD8066ARMZ-REEL7

Dual 145MHz FastFET op amp, 1pA Ibias, 180V/us SR, 7nV noise, MSOP-8

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Manufacturer Part：

AD8066ARMZ-REEL7

Package：

MSOP-8 (3.0 x 3.0 x 0.85 mm)

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Description

Product Overview

The AD8066ARMZ-REEL7 from Analog Devices is a dual 145MHz FastFET voltage feedback op amp with FET inputs. It features 1pA input bias current, 180V/us slew rate, 7nV/sqrtHz noise, and 5V to 24V supply in an MSOP-8 package.

Key Specifications

Architecture Dual Voltage Feedback, FET Input
-3dB Bandwidth 145MHz (G=+1)
Slew Rate 180V/us (G=+2)
Input Bias Current 1pA (typ)
Voltage Noise 7nV/sqrtHz @ 10kHz
Current Noise 0.6fA/sqrtHz @ 10kHz
Supply Voltage 5V to 24V (single or dual)
Supply Current 6.4mA/amplifier (typ)
Offset Voltage 1.5mV (max)
CMRR -100dB
SFDR -88dBc @ 1MHz
Operating Temperature -40 to 85 C

Features

  • FET input with 1pA input bias current
  • 145MHz bandwidth and 180V/us slew rate
  • Ultra-low current noise: 0.6fA/sqrtHz
  • Wide supply range: 5V to 24V single or dual
  • Rail-to-rail output
  • -100dB CMRR
  • SFDR -88dBc at 1MHz
  • Low offset voltage: 1.5mV max

Applications

  • Photodiode preamplifiers
  • ADC drivers
  • Video buffering
  • Active filters
  • Automotive ADAS signal conditioning

The AD8066ARMZ-REEL7 from Analog Devices is a dual high-performance 145MHz FastFET voltage feedback operational amplifier with JFET inputs offering 1pA input bias current and 0.6fA/sqrtHz current noise. Developed in Analog Devices’ proprietary XFCB process, the device achieves exceptionally low noise operation (7nV/sqrtHz voltage noise) with very high input impedance. The 145MHz bandwidth and 180V/us slew rate make it suitable for high-speed applications, while the -88dBc SFDR at 1MHz ensures excellent linearity. The wide supply range of 5V to 24V (single or dual), combined with rail-to-rail output, provides flexibility for diverse circuit configurations. With only 6.4mA per amplifier supply current, it delivers high performance at low power. The device is available in an MSOP-8 package rated for -40 to 85 C.

The AD8066ARMZ-REEL7 operates as a dual voltage feedback amplifier with JFET input stages. Key subsystems include: (1) JFET Input Pair – a matched pair of JFETs provides 1pA input bias current and extremely high input impedance, ideal for high-source-impedance applications; (2) Voltage Feedback Architecture – a traditional voltage feedback topology with high open-loop gain (100dB) provides bandwidth that varies inversely with closed-loop gain; (3) Rail-to-Rail Output Stage – a complementary bipolar output stage swings to within 100mV of each supply rail; (4) XFCB Process – Analog Devices’ eXtra Fast Complementary Bipolar process enables high ft transistors for 145MHz bandwidth and low noise; (5) Bias Circuit – internal bias network sets 6.4mA per amplifier quiescent current for optimal speed/power tradeoff.

Pin Name Type Function
1 OUT1 Output Amplifier 1 output
2 -IN1 Input Amplifier 1 inverting input
3 +IN1 Input Amplifier 1 non-inverting input
4 -VS Power Negative supply / ground
5 +IN2 Input Amplifier 2 non-inverting input
6 -IN2 Input Amplifier 2 inverting input
7 +VS Power Positive supply
8 OUT2 Output Amplifier 2 output
  • Photodiode preamplifiers: 1pA input bias current minimizes DC error from high-impedance sensors
  • ADC drivers: 145MHz bandwidth and -88dBc SFDR for driving 12-16-bit converters
  • Video buffering: 0.02% differential gain and 0.02 degree differential phase
  • Active filters: high bandwidth and low noise for precision filtering
  • Automotive ADAS: signal conditioning for camera and sensor interfaces
Manufacturer Part Number Package Notes
Analog Devices ADA4817-2ARMZ MSOP-8 1GHz, lower noise
TI OPA2652U SOIC-8 700MHz, dual
TI LMH6644MA SOIC-8 220MHz, dual, low power
ADI AD8065ARTZ-R7 SOIC-8 Single version, SOIC
ADI AD8066ARZ-R7 SOIC-8 Same device, SOIC package
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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