0
ACTIVE
Product type |
Analog output |
Common-mode voltage (max) (V) |
26 |
Common-mode voltage (min) (V) |
-0.3 |
Input offset (±) (max) (µV) |
35 |
Input offset drift (±) (typ) (µV/°C) |
0.1 |
Features |
Bidirectional, High precision, Low-side Capable |
Rating |
Catalog |
Voltage gain (V/V) |
200 |
CMRR (min) (dB) |
105 |
Bandwidth (kHz) |
14 |
Supply voltage (max) (V) |
26 |
Supply voltage (min) (V) |
2.7 |
Iq (max) (mA) |
0.115 |
Number of channels |
1 |
Comparators (#) |
0 |
Gain error (%) |
0.4, 0.9 |
Gain error drift (±) (max) (ppm/°C) |
10 |
Slew rate (V/µs) |
0.4 |
Operating temperature range (°C) |
-40 to 125 |
SOT-SC70 (DCK)-6-4.2 mm² 2 x 2.1
Updated format to match new TI layout and flow. Tables, figures and cross-references use a new numbering sequence throughout the document.
Wide Common-Mode Range: –0.3 V to 26 V
The INA21x are voltage-output, current-shunt monitors (also called current-sense amplifiers) that are commonly used for overcurrent protection, precision-current measurement for system optimization, or in closed-loop feedback circuits. This series of devices can sense drops across shunts at common-mode voltages from –0.3 V to 26 V, independent of the supply voltage. Six fixed gains are available: 50 V/V, 75 V/V, 100 V/V, 200 V/V, 500 V/V, or 1000 V/V. The low offset of the zero-drift architecture enables current sensing with maximum drops across the shunt as low as 10-mV full-scale.
These devices operate from a single 2.7-V to 26-V power supply, drawing a maximum of 100 µA of supply current. All versions are specified over the extended operating temperature range (–40°C to +125°C), and offered in SC70 and UQFN packages.
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