TPA1285(3PEAK思瑞浦)
- The TPA1285, high precision, high common voltage, 2channel high-side current sense amplifier has very highprecision accuracy specifications of Vos less than 100V (max)and gain error less than 0.5% (max). Three fixed gains areavailable: 20V/
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The TPA1285, high precision, high common voltage, 2channel high-side current sense amplifier has very highprecision accuracy specifications of Vos less than 100μV (max)and gain error less than 0.5% (max). Three fixed gains areavailable: 20V/V, 50V/V, and 100V/V. The low offset of the zerodrift architecture enables current sensing with maximum dropsacross the shunt as low as 5mV full-scale.The TPA1285 features an input common-mode voltagerange from 3.0V to 76V with 80kHz of small-signal bandwidth,which makes it ideal for small signal conditioning interfacing witha SAR ADC.The TPA1285 offers breakthrough performance throughoutthe −40°C to +125°C temperature range. It features a zero-driftcore, which leads to a maxim offset drift of 0.4μV/°C throughoutthe operating temperature range and the common-modevoltage range. The TPA1285 is offered 8-pin MSOP package.
Features
◼ VOLTAGE OFFSET: ±100uV (MAX)
◼ WIDE COMMON MODE VOLTAGE: 3.0V to +76V
◼ SUPPLY VOLTAGE: 3.0V to +5.5V
◼ ACCURACY and ZERO-DRIFT PERFORMANCE
◆ ±0.5% Gain Error (Max over temperature)
◆ 0.4μV/°C Offset Drift (Max, -40°C ~125°C)
◆ 10ppm/°C Gain Drift (Max)
◼ THREE GAIN OPTIONS for VOLTAGE OUTPUT
◆ TPA1285T: 20V/V
◆ TPA1285F: 50V/V
◆ TPA1285H: 100V/V
◼ Rail-to-Rail Output
◼ Industrial –40°C to 125°C Operation Range
◼ ESD Rating: Robust 2.5kV – HBM, 1.5kV – CDM
Applications
◼ CURRENT SENSING (High−Side)
◼ BATTERY CHARGERS
◼ POWER MANAGEMENT
◼ AUTOMOTIVE
◼ SERVER BACKPLANES
◼ BASE STATIONS & TELECOM EQUIPMENT
◼ INDUSTRIAL CONTROL AND AUTOMATION
Features
◼ VOLTAGE OFFSET: ±100uV (MAX)
◼ WIDE COMMON MODE VOLTAGE: 3.0V to +76V
◼ SUPPLY VOLTAGE: 3.0V to +5.5V
◼ ACCURACY and ZERO-DRIFT PERFORMANCE
◆ ±0.5% Gain Error (Max over temperature)
◆ 0.4μV/°C Offset Drift (Max, -40°C ~125°C)
◆ 10ppm/°C Gain Drift (Max)
◼ THREE GAIN OPTIONS for VOLTAGE OUTPUT
◆ TPA1285T: 20V/V
◆ TPA1285F: 50V/V
◆ TPA1285H: 100V/V
◼ Rail-to-Rail Output
◼ Industrial –40°C to 125°C Operation Range
◼ ESD Rating: Robust 2.5kV – HBM, 1.5kV – CDM
Applications
◼ CURRENT SENSING (High−Side)
◼ BATTERY CHARGERS
◼ POWER MANAGEMENT
◼ AUTOMOTIVE
◼ SERVER BACKPLANES
◼ BASE STATIONS & TELECOM EQUIPMENT
◼ INDUSTRIAL CONTROL AND AUTOMATION
