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INA169-Q1

更新时间： 2024-09-16 22:26:11
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德州仪器 - TI 监视器
页数 文件大小 规格书
12页 155K
描述
HIGH SIDE MEASUREMENT CURRENT SHUNT MONITOR

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INA169-Q1 数据手册

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www.ti.com  
SGLS185B − SEPTEMBER 2003 − REVISED OCTOBER 2004  
ꢊ ꢀꢋ ꢊ ꢆ ꢌꢀ ꢍꢎ ꢏ ꢎꢂ ꢌꢐ ꢑꢎ ꢏꢎ ꢁꢒ  
ꢓ ꢐ ꢑ ꢑ ꢎꢁ ꢒ ꢌ ꢊꢐꢁ ꢒ ꢏ ꢔꢁ ꢀ ꢒꢔ ꢑ  
FEATURES  
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.  
(1)  
D
D
D
Qualification in Accordance With AEC-Q100  
Qualified for Automotive Applications  
Customer-Specific Configuration Control Can  
Be Supported Along With Major-Change  
Approval  
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.  
D
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
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.  
D
D
Complete Unipolar High−Side Current  
Measurement Circuit  
Wide Supply And Common−Mode Range  
− INA139: 2.7 V to 40 V  
− INA169: 2.7 V to 60 V  
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.  
D
Independent Supply and Input  
Common-Mode Voltages  
D
D
D
D
Single Resistor Gain Set  
PW PACKAGE  
(TOP VIEW)  
Low Quiescent Current (60 mA Typ)  
Wide Temperature Range: −405C to +1255C  
TSSOP−8 and SOT23−5 Packages  
1
2
3
4
8
7
6
5
V
V
NC  
V+  
IN−  
NC  
OUT  
NC  
IN+  
GND  
APPLICATIONS  
NC − No internal connection  
DBV PACKAGE  
(TOP VIEW)  
D
Current Shunt Measurement:  
− Automotive, Telephone, Computers  
V
GND OUT  
IN+  
D
D
D
D
D
(1)  
Portable And Battery-Backup Systems  
Battery Chargers  
3
2
1
Power Management  
4
5
Cell Phones  
V
V
Precision Current Source  
IN−  
+
Contact Texas Instruments for details. Q100 qualification data available on request.  
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.  
ꢕꢑ ꢔ ꢍꢐ ꢓ ꢒꢀ ꢔꢁ ꢍ ꢂꢒꢂ ꢖꢗ ꢘꢙ ꢚ ꢛꢜ ꢝꢖꢙꢗ ꢖꢞ ꢟꢠ ꢚ ꢚ ꢡꢗꢝ ꢜꢞ ꢙꢘ ꢢꢠꢣ ꢤꢖꢟ ꢜꢝꢖ ꢙꢗ ꢥꢜ ꢝꢡꢦ ꢕꢚ ꢙꢥꢠ ꢟꢝꢞ  
ꢟ ꢙꢗ ꢘꢙꢚ ꢛ ꢝꢙ ꢞ ꢢꢡ ꢟ ꢖ ꢘꢖ ꢟ ꢜ ꢝꢖ ꢙꢗꢞ ꢢ ꢡꢚ ꢝꢧꢡ ꢝꢡ ꢚ ꢛꢞ ꢙꢘ ꢒꢡꢨ ꢜꢞ ꢀꢗꢞ ꢝꢚ ꢠꢛ ꢡꢗꢝ ꢞ ꢞꢝ ꢜꢗꢥ ꢜꢚ ꢥ ꢩ ꢜꢚ ꢚ ꢜ ꢗꢝꢪꢦ  
ꢕꢚ ꢙ ꢥꢠꢟ ꢝ ꢖꢙ ꢗ ꢢꢚ ꢙ ꢟ ꢡ ꢞ ꢞ ꢖꢗ ꢫ ꢥꢙ ꢡ ꢞ ꢗꢙꢝ ꢗꢡ ꢟꢡ ꢞꢞ ꢜꢚ ꢖꢤ ꢪ ꢖꢗꢟ ꢤꢠꢥ ꢡ ꢝꢡ ꢞꢝꢖ ꢗꢫ ꢙꢘ ꢜꢤ ꢤ ꢢꢜ ꢚ ꢜꢛ ꢡꢝꢡ ꢚ ꢞꢦ  
Copyright 2003 − 2004, Texas Instruments Incorporated  
1234567...12

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INA169-Q1 替代型号

型号 品牌 替代类型 描述 数据表
INA168-Q1 TI

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