MAX9633

Dual 36V Op Amp for 18-Bit SAR ADC Front-End

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 MAX9633 is a low-noise, low-distortion operational amplifier that is optimized to drive ADCs for use in applications from DC to a few MHz. The MAX9633 features low noise (3nV/ at 1kHz and 3.5nV/ at 100Hz) and low distortion (130dB at 10kHz), making it suitable for industrial, medical, and test applications.

The exceptionally fast settling-time and low input offset voltage makes the IC an excellent solution to drive high-resolution 12-bit to 18-bit SAR ADCs.

The IC operates from a wide supply voltage range up to 36V with only 3.5mA of quiescent current per amplifier.

The IC is offered in an 8-pin, 3mm x 3mm TDFN package for operation over the -40°C to +125°C temperature range.
 

Data Sheet

Download this datasheet in PDF formatDownload Rev 1 (PDF, 1.7MB)
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An evaluation kit is available: MAX9633EVKIT

Key Features

  • Low-Noise (3nV/ at 1kHz) and Low-Distortion (130dB at 10kHz) ADC Driver
  • Very Fast 750ns Settling Time to 16-Bit Accuracy
  • Low Input Voltage Offset 200µV (max)
  • Low 0.9µV/°C Input Offset Temperature Coefficient
  • Gain-Bandwidth Product 27MHz
  • 4.5V to 36V Wide Supply Range
  • Unity Gain Stable
  • ±6kV ESD Protection HBM
  • 8-Pin TDFN and SOIC Packages
 

Applications/Uses

  • ADC Drivers
  • Data Acquisition and Instrumentation
  • High-Performance Audio Circuitry
  • Imaging Systems
  • Motor Control
  • Power Grid Systems
  • Test and Measurement Equipments
   

Key Specifications:

Operational Amplifiers
Part Number Amps. 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
MAX9633  2 1 4.5 36 3500 5000 200 130 135 400 27 18 3 10 No
SOIC(N)-EP/8
TDFN-EP/8
$2.39 @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

MAX9633: Typical Application Circuit
Typical Application Circuit

More Information

Topmark Coding MAX9633
New Product Press Release 2010-11-09 ]

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Information Index

Document Ref.: 19-5199 Rev 1; 2011-01-20
This page last modified: 2011-01-28




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