MAX9633 Datasheet, PDF (1/12 Pages) Maxim Integrated Products – Improved Reliability

EVALUATION KIT AVAILABLE
MAX9633
Dual 36V Op Amp for 18-Bit
SAR ADC Front-End
General Description
The MAX9633 is a low-noise, low-distortion operational
amplifier that is optimized to drive ADCs for use in appli-
cations from DC to a few MHz. The MAX9633 features
low noise (3nV/√Hz at 1kHz and 3.5nV/√Hz 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 -40NC to +125NC temperature range.
Applications
ADC Drivers
Data Acquisition and Instrumentation
Power Grid Systems
Motor Control
Test and Measurement Equipments
Imaging Systems
High-Performance Audio Circuitry
Benefits and Features
S High-Resolution ADC Driver
27MHz Gain Bandwidth
750ns Settling Time to 16-Bit Accuracy
THD of 130dB at 10kHz
Low Input Voltage Offset 200µV (max)
3nV/√Hz Ultra-Low Input Voltage Noise
Low Input Offset Temperature Drift 0.9µV/°C (max)
Unity Gain Stable
S Support a Wide Range of Industrial Applications
4.5V to 36V Wide Supply Range
S Improved Reliability
±5kV ESD Protection HBM
S Saves Board Space
8-Pin TDFN and SO Packages
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
MAX9633ASA+ -40NC to +125NC 8 SO-EP*
MAX9633ATA+ -40NC to +125NC 8 TDFN-EP*
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
TOP
MARK
—
BMM
Typical Application Circuit
ANTI-ALIAS FILTER
R
R
IN
C
C
MAX9633
+15V
1MI
-15V
R2
R1
-3dB AT 8MHz
R_I = 20I
C = 1nF
12 TO 18-BIT SAR ADC
EXAMPLE: MAX1320
14-BIT ADC
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-5199; Rev 4; 1/15