Datasheet Linear Technology LTC2946CDE#PBF

LTC2946
Wide Range I2C Power,
Charge and Energy Monitor
FEATURES DESCRIPTION Rail-to-Rail Input Range: 0V to 100V
Wide Input Supply Range: 2.7V to 100V
Shunt Regulator for Supplies >100V
Δ∑ ADC with Less Than ±0.4% Total
Unadjusted Error
n 12-Bit Resolution for Current and Voltages
n ±1% Accurate Power and Energy Measurements
n ±0.6% Accurate Current and Charge Measurements
n Additional ADC Input Monitors an External Voltage
n Internal ±5% or External Time Bases
n Continuous Scan and Snapshot Modes
n Stores Minimum and Maximum Values
n Alerts When Limits Exceeded
n Split SDA Pin Eases Opto-Isolatio Shutdown Mode with I < 40µA
Q
n Available in 4mm × 3mm DFN and 16-Lead
MSOP Packages The LTC®2946 is a rail-to-rail system monitor that measures
current, voltage, power, charge and energy. It features an
operating range of 2.7V to 100V and includes a shunt regulator for supplies above 100V. The current measurement
common mode range of 0V to 100V is independent of the …