PAC1933T-ISLASHJQ. datasheet(5/62 Pages) MICROCHIP

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DS20005850C-page 5

PAC1932/3/4

VSENSE LSB Step

Size

VSENSE_LSB

—

µV

Bidirectional currents

VBUS Measurement Accuracy

VBUS Gain Accuracy

VBUS_GAIN_ERR

—±0.02

±0.2

±0.5

At +25°C

typical, -40 to +85°C

VBUS Offset Accuracy,

referenced to input

VBUS_

OFFSET_ERR

—±1

±2

—LSB

LSB

At +25°C

typical, -40 to +85°C

VBUS – Unipolar Voltages

VBUS

ADC Resolution

VBUS_RES

—

bits

Straight Binary for unidirectional

currents

VBUS Unipolar

Full-Scale Range

VBUS_FSR

—

Unipolar voltage

VBUS LSB Step Size

VBUS_LSB

—

488

—

µV

FSR = 32V, 16-bit resolution

VBUS – Bipolar Voltages

VBUS ADC Resolution

VBUS_RES

—

bits

16-bit two's complement (signed)

numbers are reported for VBUS

measurement result

VBUS Bipolar

Full-Scale Range

VBUS_FSR

–32

—

Mathematical scaling.

Physics limits the negative input

voltage to -0.2V

VBUS LSB Step Size

VBUS_LSB

—

976

—

µV

Bipolar voltages

TABLE 1-1:

DC CHARACTERISTICS (CONTINUED)

Electrical Characteristics

: Unless otherwise specified, maximum values are at TA = -40°C to +85°C,

VDD = 2.7V to 5.5V, VDD I/O= 1.62V to 5.5V, VBUS = 0V to 32V; typical values are at TA = +25°C

VDD = VDD I/O = 3.3V, VBUS = 32V, VSENSE = (SENSE+ – SENSE-) = 0V

Characteristic

Symbol

Min.

Typ.

Max.

Unit

Conditions

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