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LMP92064
SNOSCX0A – JUNE 2013 – REVISED DECEMBER 2014
LMP92064 Precision Low-Side, 125-kSps Simultaneous Sampling, Current Sensor and Voltage Monitor With SPI
1 Features
•1 Two Simultaneous Sampling 12-Bit ADCs – Conversion Rate: 125 kSps (Minimum)
• 12-Bit Current Sense Channel – Input-referred Offset: ±15 μV – Common-mode Voltage Range: –0.2 V to 2 V – Maximum Differential Input Voltage: 75 mV – Fixed Gain: 25 V/V – Gain Error: ±0.75% (Maximum) – Bandwidth (–3dB): 70 kHz – DC PSRR: 100 dB – DC CMRR: 110 dB
• 12-Bit Voltage Channel – INL: ±1 LSB – Offset Error: ±2 mV (Maximum) – Gain Error: ±0.75% (Maximum) – Maximum Input Voltage: 2.