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The TP182 series of zero-drift, bi-directional current sense amplifier can sense voltage drops across shunts at commonmode voltages from –0.3V to 36V, independent of the supply voltage. Three fixed gains are available: 50V/V, 100V/V and 200V/V. The low offset of the zero-drift architecture enables current sensing with maximum drops across the shunt as low as 10mV full-scale.

TP182 devices operate from a single +2.7V to 30V power supply, with drawing a typical of 120uA of supply current. All versions are specified from –40°C +125°C, and offered in SC70- 6 packages.

Features

 TP182A1/A2 VOLTAGE OFFSET: ±50uV (MAX)

 TP182A3/A4 VOLTAGE OFFSET: ±35uV (MAX)

 WIDE COMMON MODE VOLTAGE: -0.3V to +36V

 SUPPLY VOLTAGE: 2.7V to +30V

 ACCURACY and ZERO-DRIFT PERFORMANCE

 ±1% Gain Error (Max over temperature)

 0.5μV/°C Offset Drift (Max)

 10ppm/°C Gain Drift (Max)

 THREE GAIN OPTIONS for VOLTAGE OUTPUT

 TP182A1: 50V/V

 TP182A2: 100V/V

 TP182A3: 200V/V

 TP182A4: 500V/V

 LOW SUPPLY CURRENT: 120uA (TYP)

 Rail-to-Rail Output

 PACKAGE: SC70-6

 Industrial –40°C to 125°C Operation Range

 ESD Rating: Robust 2KV – HBM, 2KV – CDM

 Higher performance Drop-In Compatible With

INA213, INA214, INA199, NCS199 Products

Applications

 CURRENT SENSING (High−Side/Low−Side)

 BATTERY CHARGERS

 POWER MANAGEMENT

 CELL PHONE CHARGER

 ELECTRICAL CIGIRATE

 WIRELESS CHARGER

 TELECOM EQUIPMENT