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TSM9634F

Description
Precision Current-Sense Amplifier
File Size1MB,12 Pages
ManufacturerSILABS
Websitehttp://www.silabs.com
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TSM9634F Overview

Precision Current-Sense Amplifier

TSM9634F
A 1µA, SOT23 Precision Current-Sense Amplifier
FEATURES
Second-source for MAX9634F
Ultra-Low Supply Current: 1μA
Wide Input Common Mode Range: +1.6V to +28V
Low Input Offset Voltage: 250µV (max)
Low Gain Error: <0.5% (max)
Voltage Output
Gain Option Available:
TSM9634F: Gain = 50V/V
5-Pin SOT23 Packaging
DESCRIPTION
The
voltage-output
TSM9634F
current-sense
amplifier are electrically and form-factor identical to
the MAX9634F current-sense amplifier. Consuming a
very low 1μA supply current, the TSM9634F high-side
current-sense amplifiers exhibit a 250-µV (max) V
OS
and a 0.5% (max) gain error, both specifications
optimized for any precision current measurement. For
all high-side current-sensing applications, the
TSM9634F features a wide input common-mode
voltage range from 1.6V to 28V.
The SOT23 package makes the TSM9634F an ideal
choice for pcb-area-critical, low-current, high-
accuracy current-sense applications in all battery-
powered portable instruments.
All TSM9634Fs are specified for operation over the
-40°C to +85°C extended temperature range.
APPLICATIONS
Notebook Computers
Power Management Systems
Portable/Battery-Powered Systems
PDAs
Smart Phones
TYPICAL APPLICATION CIRCUIT
Input Offset Voltage Histogram
35
30
PERCENT OF UNITS - %
25
15
15
10
5
0
0
10
20
30
40
50
INPUT OFFSET VOLTAGE - µV
Page 1
© 2014 Silicon Laboratories, Inc. All rights reserved.

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