PAC1721 datasheet(4/92 Pages) MICROCHIP

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PAC1721

DS-20007088A-page 4

 2026 Microchip Technology Inc. and its subsidiaries

1.2

DC Electrical Specifications

DC Electrical Characteristics: Unless otherwise indicated, all parameters apply at TA = -40°C to +125°C, VDD = 2.7V to 5.5V and

VBUS = 0V to 9V. Typical values are at TA = 25°C, VDD = 3.3V and VSENSE = VSENSE+ – VSENSE– = 0V.

Parameters

Symbol

Min.

Typical

Max.

Units

Conditions

Power Supply

Supply Voltage

VDD

2.7

—

5.5

Supply Active Current

IDD

—

200

—

µA

Sample Rate: ƒS = 8,192 sps

—

225

µA

Sample Rate: ƒS = 1,024 sps

—

µA

Sample Rate: ƒS = 8 sps

Supply Sleep Current

ISLEEP

—

125

µA

Supply Power-down Current

IPWRDN

——

µA

Minimum Supply Voltage Rise

Rate

VDD_RISE_MIN

—

0.05

—

V/ms 0V to 5V in 100 ms, Note 1

Maximum Supply Voltage Rise

Rate

VDD_RISE_MAX

—

1000

—

V/ms 0V to 5V in 5 µs, Note 1

Power-on Reset (POR) Level

(Rising)

VPOR_RISING

—1.2

—

Note 1

POR Rearm Delay

tPORR

—20

—

Note 1

Analog Input

Bus Voltage

VBUS

–0.2

—

Common mode voltage on SENSE pins,

Referenced to GND

Sense Differential Input Voltage

VSENSE_DIF

–100

—

100

Sense Pins Input Current

ISENSE+

——

µA

VBUS+ is connected to VSENSE+ in the 8ld

package

VSENSE+ = VSENSE– = Full Scale,

ƒS = 1,024 sps, Note 2

ISENSE–

——

µA

VSENSE+ = 6V, VSENSE– = 5.9V,

ƒS = 1,024 sps, Note 2

VBUS+ Pin Input Current

IBUS+

——

0.5

µA

10-Lead VDFN only, VBUS = Full Scale

Measurement Accuracy

Sense Voltage ADC Data

Resolution

VSENSE_RES

—

bits

12-bit resolution in unipolar mode,

11 bits of resolution and one sign bit in

bipolar modes

Sense Voltage LSB Step Size

VSENSE_LSB

—

24.4

—

µV

FSR = 100 mV, 12-bit resolution

Bus Voltage LSB ADC Data

Resolution

VBUS_RES_LSB

—

bits

12-bit resolution in unipolar mode,

11 bits of resolution and one sign bit in

bipolar modes

Bus Voltage LSB Step Size

VBUS_LSB

—

2.2

—

FSR = 9V, 12-bit resolution

Sense Voltage Gain Accuracy

VSENSE_GAIN_ERR

–0.4

±0.2

0.4

TA = +25°C typical

—±1—

TA = -40°C to +125°C

Sense Voltage Offset Accuracy VSENSE_OFFSET_ERR

—

±25

µV

12-bit resolution, Referenced to input

Bus Voltage Gain Accuracy

VBUS_GAIN_ERR

–0.3

±0.02

0.3

TA = +25°C typical

—±0.2

—

TA = -40°C to +125°C

Bus Voltage Offset Accuracy

VBUS_OFFSET_ERR

—

±0.3

—

12-bit resolution, Referenced to input

Note 1:

No production testing. Characterization only.

All states, including leakage current and average value of capacitively coupled switching current.

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