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INA169-Q1 Datasheet(PDF) 1 Page - Texas Instruments

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Part # INA169-Q1
Description  HIGH SIDE MEASUREMENT CURRENT SHUNT MONITOR
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

INA169-Q1 Datasheet(HTML) 1 Page - Texas Instruments

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INA139Q1,INA169Q1
SGLS185B − SEPTEMBER 2003 − REVISED OCTOBER 2004
HIGHSIDE MEASUREMENT
CURRENT SHUNT MONITOR
FEATURES
D Qualification in Accordance With AEC-Q100(1)
D Qualified for Automotive Applications
D Customer-Specific Configuration Control Can
Be Supported Along With Major-Change
Approval
D ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
D Complete Unipolar High−Side Current
Measurement Circuit
D Wide Supply And Common−Mode Range
− INA139: 2.7 V to 40 V
− INA169: 2.7 V to 60 V
D Independent Supply and Input
Common-Mode Voltages
D Single Resistor Gain Set
D Low Quiescent Current (60 mA Typ)
D Wide Temperature Range: −405C to +1255C
D TSSOP−8 and SOT23−5 Packages
APPLICATIONS
D Current Shunt Measurement:
− Automotive, Telephone, Computers
D Portable And Battery-Backup Systems
D Battery Chargers
D Power Management
D Cell Phones
D Precision Current Source
DESCRIPTION
The INA139 and INA169 are high-side, unipolar, current
shunt monitors. Wide input common-mode voltage range,
high-speed, low quiescent current, and tiny TSSOP−8 and
SOT23 packaging enable use in a variety of applications.
Input common-mode and power-supply voltages are
independent and can range from 2.7 V to 40 V for the
INA139 and 2.7 V to 60 V for the INA169. Quiescent
current is only 60
µA, which permits connecting the power
supply to either side of the current measurement shunt
with minimal error.
The device converts a differential input voltage to a current
output. This current is converted back to a voltage with an
external load resistor that sets any gain from 1 to over 100.
Although designed for current shunt measurement, the
circuit invites creative applications in measurement and
level shifting.
Both the INA139 and INA169 are available in TSSOP−8
and SOT23−5 and are specified for the −40
°C to +125°C
temperature range.
1
2
3
4
8
7
6
5
VIN−
VIN+
NC
GND
V+
NC
OUT
NC
PW PACKAGE
(TOP VIEW)
NC − No internal connection
32
1
45
VIN+ GND
OUT
V +
VIN−
DBV PACKAGE
(TOP VIEW)
(1) Contact Texas Instruments for details. Q100 qualification data available on request.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
www.ti.com
Copyright
 2003 − 2004, Texas Instruments Incorporated


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