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參數(shù)資料
| 型號： | INA138 |
| 英文描述： | High-Side Measurement CURRENT SHUNT MONITOR |
| 中文描述： | 高側(cè)測量電流并聯(lián)監(jiān)視器 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 69K |
| 代理商： | INA138 |
INA138
INA168
1999 Burr-Brown Corporation
PDS-1576A
Printed in U.S.A. December, 1999
FEATURES
G
COMPLETE UNIPOLAR HIGH-SIDE
CURRENT MEASUREMENT CIRCUIT
G
WIDE SUPPLY AND COMMON-MODE
RANGE
G
INA138: 2.7V to 36V
G
INA168: 2.7V to 60V
G
INDEPENDENT SUPPLY AND INPUT
COMMON-MODE VOLTAGES
G
SINGLE RESISTOR GAIN SET
G
LOW QUIESCENT CURRENT (25
μ
A typ)
G
SOT23-5 Package
High-Side Measurement
CURRENT SHUNT MONITOR
DESCRIPTION
The INA138 and INA168 are high-side, unipolar,
current shunt monitors. Wide input common-mode
voltage range, low quiescent current, and tiny SOT-23
packaging enable use in a variety of applications.
Input common-mode and power supply voltages are
independent and can range from 2.7V to 36V for the
INA138 and 2.7V to 60V for the INA168. Both
models draw only 25
μ
A quiescent current, which also
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 INA138 and INA168 are available in
SOT23-5 and are specified for the –40
°
C to +85
°
C
industrial temperature range.
APPLICATIONS
G
CURRENT SHUNT MEASUREMENT
Automotive, Telephone, Computers
G
PORTABLE & BATTERY BACKUP
SYSTEMS
G
BATTERY CHARGERS
G
POWER MANAGEMENT
G
CELL PHONES
G
PRECISION CURRENT SOURCE
International Airport Industrial Park Mailing Address: PO Box 11400, Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 Tel: (520) 746-1111
Twx: 910-952-1111 Internet: http://www.burr-brown.com/ Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
For most current data sheet and other product
information, visit www.burr-brown.com
R
S
2
1
OUT
GND
R
L
V
O
= I
S
R
S
R
L
/5k
Load
5k
5k
V
IN+
V
IN+
V
IN–
3
4
I
S
V+
5
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| INA138_11 | 制造商:BB 制造商全稱:BB 功能描述:High-Side Measurement CURRENT SHUNT MONITOR |
| INA138NA | 制造商:Texas Instruments 功能描述:IC AMP DIFF SMD SOT-23-5 138 |
| INA138NA/250 | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 Hi-Sd Msmnt Current Shunt Mntr Crnt Otp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| INA138NA/250 | 制造商:Texas Instruments 功能描述:IC CURRENT SHUNT MONITOR |
| INA138NA/250 | 制造商:Texas Instruments 功能描述:Current Shunt Monitor IC |
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