PAC1934
DC Power/Energy Monitor with Accumulator
Features Applications High-Side Current Monitor
-100 mV full scale range for current sense
voltage,16b resolution default setting
-Selectable bidirectional current sense capability, –100 mV to +100 mV range, 16-bit
two’s complement (signed) data format
-External sense resistor sets full scale current
range
-Very low input current simplifies routing Wide Bus Voltage Range for Voltage Monitor
-0V to 32V input common-mode voltage
-16-bit resolution for voltage measurements,
14b are used for power calculations Real Time Auto-Calibration of Offset and Gain
Errors for Voltage and Current, No User Adjustment Required 1% Power Measurement Accuracy over a Wide
Dynamic Range On-Chip Accumulation of 28-bit Power Results for
Energy Measurement
-48-bit power accumulator register for recording accumulated power data
-24 bit Accumulator Count
-User programmable sampling rates of 8, 64,
256 and 1024 samples per second
-17 minutes of power data accumulation minimum at 1024 S/s
->36 hours of power data accumulation minimum at 8 S/s 2.7V to 5.5V Supply Operation
-Separate VDD I/O pin for digital I/O …