MAX9632

36V, Precision, Low-Noise, Wide-Band Amplifier

Fast-Settling, High-Voltage Op Amp is Ideal for an ADC Buffer

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Status Explanations for product status codes

Active: In Production.

Description

The MAX9632 is a low-noise, precision, wide-band operational amplifier that can operate in a very wide +4.5V to +36V supply voltage range. The IC operates in dual (±18V) or single-supply mode (36V).

The exceptionally fast settling time and low distortion make the IC an excellent solution for precision acquisition systems. The rail-to-rail output swing maximizes the dynamic range when driving high-resolution 24-bit ΣΔ ADCs even with low supply voltages.

The IC achieves 55MHz of gain-bandwidth product and ultra-low 0.94nV/ input voltage noise with only 3.9mA of quiescent current.

The IC is offered in 8-pin SO, µMAX®, and TDFN packages and is rated for operation over the -40°C to +125°C temperature range.
 

Data Sheet

Download this datasheet in PDF formatDownload Rev 3 (PDF, 2.6MB)
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An evaluation kit is available: MAX9632EVKIT

Key Features

  • 0.94nV/ Ultra-Low Input Voltage Noise
  • Very Fast 600ns Settling Time to 16-Bit Accuracy
  • THD of -128dB at 10kHz
  • Low Input Voltage Offset 125µV (max)
  • Low Input Offset Temperature Drift 0.5µV/°C (max)
  • Gain-Bandwidth Product 55MHz
  • +4.5V to +36V Wide Supply Range
  • Rail-to-Rail Output
  • Unity-Gain Stable
  • 8-Pin SO and TDFN Packages
  • ESD 8kV HBM and 1kV CDM
 

Applications/Uses

  • ATE
  • High-Resolution ADC Drivers
  • High-Resolution DAC Buffers
  • Low-Noise Signal Processing
  • Medical Imaging
  • Test and Measurement Systems
   

Key Specifications:

Operational Amplifiers
Part Number Amps. Rail to Rail AVCL VSUPPLY (Total)
(V)
VSUPPLY (Total)
(V)
ICC per Amp.
(µA)
ICC per Amp.
(µA)
VOS
(µV)
CMRR @DC
(dB)
PSRR @DC
(dB)
Input IBIAS
(nA)
Unity Gain BW
(MHz)
Slew Rate
(V/µs)
en
(nV/√Hz)
in
(pA/√Hz)
Low Pwr. Shutdn Package/Pins Budgetary Price
min min max typ max max typ typ max typ typ See Notes
MAX9632  1 Output Only 1 4.5 36 3900 6500 125 135 140 180 55 30 0.94 3.75 Yes
µMAX/8
SOIC(N)/8
TDFN-EP/8
$3.39 @1k
See All Operational Amplifiers (160)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


Diagram

MAX9632: Typical Application Circuit
Typical Application Circuit

More Information

Topmark Coding MAX9632
New Product Press Release 2010-11-09 ]

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Information Index

Document Ref.: 19-5200 Rev 3; 2011-11-01
This page last modified: 2011-11-02




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