INA270 ,Voltage Output High-Side Measurement Current-Shunt MonitorFeatures 3 DescriptionThe INA270 and INA271 family of voltage-output,1• Wide Common-Mode Range: –16 ..
INA270AQDRQ1 ,Automotive, 80V, Low-/High-side, High-Speed, Voltage Out Current Sense Amp w/ Simple Filter Input 8-SOIC -40 to 125Features 2 Applications1• Qualified for Automotive Applications • Electric Power Steering (EPS) Sys ..
INA271 ,Voltage Output High-Side Measurement Current-Shunt MonitorFeatures 3 DescriptionThe INA270 and INA271 family of voltage-output,1• Wide Common-Mode Range: –16 ..
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IRFR420
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INA270
Voltage Output High-Side Measurement Current-Shunt Monitor
Single-Pole Filter
Capacitor
+2.7V to +18V
5kW5kW
PRE OUT BUF IN
OUT
IN-IN+ V+
Load-16V to +80V
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INA270, INA271SBOS381E –FEBRUARY 2007–REVISED JANUARY 2018
INA27x Voltage Output, Unidirectional Measurement Current-Shunt Monitor Features Wide Common-Mode Range: –16Vto +80V CMRR: 120 dB Accuracy:
±0.5-mV Offset (typ)
±0.2% Gain Error (typ)
2.5 μV/°C Offset Drift (typ) ppm/°C Gain Drift (max) Bandwidth: Upto 130 kHz Two Gain Options Available: V/V (INA270) V/V (INA271) Quiescent Current: 700 μA (typ) Power Supply: +2.7Vto +18V Provisionfor Filtering
Applications Power Management Automotive Telecom Equipment Notebook Computers Battery Chargers Cell Phones Welding Equipment
DescriptionThe INA270 and INA271 familyof voltage-output,
current-sense amplifiers can sense drops across
shunt resistorsat common-mode voltages from –16V +80 V, independentof the supply voltage. The
INA270 and INA271 pinouts readily enable filtering.
The INA270 and INA271 are available with two gain
options:14 V/V and 20 V/V. The 130-kHz bandwidth
simplifies usein current-control loops.
The INA270 and INA271 operate froma single +2.7-V +18-V supply, drawing 700 μA (typical)of supply
current. The devices are specified over the extended
operating temperature rangeof –40°Cto +125°C and
are offeredinan SOIC-8 package.
Device Information(1)(1) Forall available packages, see the orderable addendumat
the endofthe datasheet.
Simplified Schematic