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TSM9634W Datasheet(PDF) 1 Page - Touchstone Semiconductor Inc

Part # TSM9634W
Description  A 1uA, SOT23 Precision Current-Sense Amplifier
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Manufacturer  TOUCHSTONE [Touchstone Semiconductor Inc]
Direct Link  http://www.touchstonesemi.com
Logo TOUCHSTONE - Touchstone Semiconductor Inc

TSM9634W Datasheet(HTML) 1 Page - Touchstone Semiconductor Inc

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TSM9634
Page 1
© 2011 Touchstone Semiconductor, Inc. All rights reserved.
FEATURES
♦ Alternate-source for MAX9634
♦ 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
♦ Four Gain Options Available:
TSM9634T: Gain = 25V/V
TSM9634F: Gain = 50V/V
TSM9634H: Gain = 100V/V
TSM9634W: Gain = 200V/V
♦ 5-Pin SOT23 Packaging
APPLICATIONS
Notebook Computers
Power Management Systems
Portable/Battery-Powered Systems
PDAs
Smart Chargers
Smart Phones
DESCRIPTION
The
voltage-output
TSM9634
current-sense
amplifiers are electrically and form-factor identical to
the MAX9634 current-sense amplifiers. Consuming a
very low 1μA supply current, the TSM9634 high-side
current-sense amplifiers exhibit a 250-µV (max) VOS
and a 0.5% (max) gain error, both specifications
optimized for any precision current measurement. For
all
high-side
current-sensing
applications,
the
TSM9634 features a wide input common-mode
voltage range from 1.6V to 28V.
The SOT23 package makes the TSM9634 an ideal
choice
for
pcb-area-critical,
low-current,
high-
accuracy current-sense applications in all battery-
powered portable instruments.
All TSM9634s are specified for operation over the
-40°C to +85°C extended temperature range.
A 1µA, SOT23 Precision Current-Sense Amplifier
TYPICAL APPLICATION CIRCUIT
PART
GAIN OPTION
TSM9634T
25 V/V
TSM9634F
50 V/V
TSM9634H
100 V/V
TSM9634W
200 V/V
The Touchstone Semiconductor logo is a registered
trademark of Touchstone Semiconductor, Incorporated.
INPUT OFFSET VOLTAGE - µV
0
10
25
35
10
30
0
40
15
20
Input Offset Voltage Histogram
5
20
30
50


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