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TS1100

Description
A 1uA, 2V to 25V SOT23 Precision Current-Sense Amplifier
File Size707KB,11 Pages
ManufacturerTouchstone Semiconductor Inc. (Silicon Lab)
Websitehttp://www.touchstonesemi.com/
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TS1100 Overview

A 1uA, 2V to 25V SOT23 Precision Current-Sense Amplifier

TS1100
A 1µA, +2V to +25V SOT23 Precision Current-Sense Amplifier
FEATURES
♦ Improved Electrical Performance over the
MAX9938 and the MAX9634
♦ Ultra-Low Supply Current: 1μA
♦ Wide Input Common Mode Range: +2V to +25V
♦ Low Input Offset Voltage: 100μV (max)
♦ Low Gain Error: <0.5%(max)
♦ Voltage Output
♦ Four Gain Options Available:
TS1100-25: Gain = 25V/V
TS1100-50: Gain = 50V/V
TS1100-100: Gain = 100V/V
TS1100-200: Gain = 200V/V
♦ 5-Pin SOT23 Packaging
DESCRIPTION
The voltage-output TS1100 current-sense amplifiers
are form-factor identical and electrical improvements
to the MAX9938 and the MAX9634 current-sense
amplifiers. Consuming a very low 1μA supply current,
the TS1100 high-side current-sense amplifiers exhibit
a 100-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 TS1100 features a wide input
common-mode voltage range from 2V to 25V.
The SOT23 package makes the TS1100 an ideal
choice for pcb-area-critical, low-current, high-
accuracy current-sense applications in all battery-
powered, remote or hand-held portable instruments.
All TS1100s are specified for operation over the
-40°C to +105°C extended temperature range.
APPLICATIONS
Notebook Computers
Current-Shunt Measurement
Power Management Systems
Battery Monitoring
Motor Control
Load Protection
Smart Battery Packs/Chargers
TYPICAL APPLICATION CIRCUIT
Input Offset Voltage Histogram
35
30
PERCENT OF UNITS - %
25
20
15
10
5
0
0
10
20
30
40
50
INPUT OFFSET VOLTAGE - µV
The Touchstone Semiconductor logo is a registered
trademark of Touchstone Semiconductor, Incorporated.
PART
TS1100-25
TS1100-50
TS1100-100
TS1100-200
GAIN OPTION
25 V/V
50 V/V
100 V/V
200 V/V
Page 1
© 2011 Touchstone Semiconductor, Inc. All rights reserved.

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TS1100 TS1100-25 TS1100-50 TS1100-100 TS1100-200
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