INA2180 (ACTIVE)

Dual 26V, Low- or High-Side Voltage Output Current Sense Amplifier

Dual 26V, Low- or High-Side Voltage Output Current Sense Amplifier - INA2180
 

Description

The INA180, INA2180, and INA4180 (INAx180) current sense amplifiers are designed for cost-optimized applications. These devices are part of a family of current-sense amplifiers (also called current-shunt monitors) that sense voltage drops across current-sense resistors at common-mode voltages from –0.2 V to +26 V, independent of the supply voltage. The INAx180 integrate a matched resistor gain network in four, fixed-gain device options: 20 V/V, 50 V/V, 100 V/V, or 200 V/V. This matched gain resistor network minimizes gain error and reduces the temperature drift.

All these devices operate from a single 2.7-V to 5.5-V power supply. The single-channel INA180 draws a maximum supply current of 260 µA; whereas, the dual-channel INA2180 draws a maximum supply current of 500 µA, and the quad channel draws a maximum supply current of 900 µA..

The INA180 is available in a 5-pin, SOT-23 package with two different pin configurations. The INA2180 is available in an 8-pin VSSOP package. The INA4180 is available in a 14-pin TSSOP package. All device options are specified over the extended operating temperature range of –40°C to +125°C.

Features

  • Common-Mode Range (VCM): –0.2 V to +26 V
  • High Bandwidth: 350 kHz (A1 Devices)
  • Offset Voltage:
    • ±150 µV (Max) at VCM = 0 V
    • ±500 µV (Max) at VCM = 12 V
  • Output Slew Rate: 2 V/µs
  • Accuracy:
    • ±1% Gain Error (Max)
    • 1-µV/°C Offset Drift (Max)
  • Gain Options:
    • 20 V/V (A1 Devices)
    • 50 V/V (A2 Devices)
    • 100 V/V (A3 Devices)
    • 200 V/V (A4 Devices)
  • Quiescent Current: 260 µA Max (INA180)

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Parametrics Compare all products in Current Sense Amplifiers Analog Output

 
Common Mode Voltage (Max) (V)
Common Mode Voltage (Min) (V)
Input Offset (+/-) (Max) (uV)
Input Offset Drift (+/-) (Typ) (uV/C)
Gain (V/V)
Gain Error (%)
CMRR (Min) (dB)
Bandwidth (kHz)
Supply Voltage (Max) (V)
Supply Voltage (Min) (V)
Iq (Max) (mA)
Features
Rating
Operating Temperature Range (C)
Package Group
Package Size: mm2:W x L (PKG)
Gain Error Drift (Max) (ppm/°C)
INA2180 INA180 INA4180
26    26    26   
-0.2    -0.2    -0.2   
150    150    150   
0.2    0.2    0.2   
20
50
100
200   
20
50
100
200   
100
20
200
50   
1    1    1   
84    84    84   
350
210
150
105   
350
210
150
105   
350
210
150
105   
5.5    5.5    5.5   
2.7    2.7    2.7   
0.5    0.3    1   
Dual channel
Low-side Capable   
Low-side Capable    Bi-directional
Low-side Capable
Quad channel   
Catalog    Catalog    Catalog   
-40 to 125    -40 to 125    -40 to 125   
VSSOP    SOT-23    TSSOP   
8VSSOP: 15 mm2: 4.9 x 3(VSSOP)    5SOT-23: 8 mm2: 2.8 x 2.9(SOT-23)    14TSSOP: 32 mm2: 6.4 x 5(TSSOP)   
20    20    20   

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INA2180 Error Analysis

0.001m ≤ 
 mOhm ≤ 100m
0.0001 ≤ 
A
A ≤ 100 
2.7 ≤ 
V ≤ 5.5
-0.2 ≤ 
V ≤ 26
-40 ≤ 
C ≤ 125