MCP8025 datasheet(13/64 Pages) MICROCHIP

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 2016 Microchip Technology Inc.

DS20005339B-page 13

MCP8025/6

Current Sense Amplifier

Input Offset Voltage

VOS

-3.0

—

+3.0

VCM =0V

TA = -40°C to +150°C

Input Offset Temperature Drift

VOS/TA

—±2.0

—

µV/°C VCM =0V

Input Bias Current

-1

—

µA

Common Mode Input Range

VCMR

-0.3

—

3.5

Common Mode Rejection Ratio

CMRR

—

Freq = 1 kHz

IOUT =10µA

Maximum Output Voltage

Swing

VOL, VOH

0.05

—

4.5

IOUT =200 µA

Slew Rate

—

±7

—

V/µs

Symmetrical

Gain Bandwidth Product

GBWP

—

10.0

—

MHz

Current Comparator Hysteresis

CCHYS

—10

—

Current Comparator Common

Mode Input Range

VCC_CMR

1.0

—

4.5

Current Limit DAC

Resolution

—

bits

Output Voltage Range

VOL, VOH

0.991

—

4.503

IOUT =1 mA

Output Voltage

VDAC

——

—

CFG1 Code x

13.77 mV/bit + 0.991V

—

0.991

—

Code 00H

—

1.872

—

Code 40H

—

4.503

—

Code FFH

Input to Output Delay

TDELAY

—50

—

µs

Integral Nonlinearity

INL

-0.5

—

+0.5

%FSR %Full Scale Range (Note 2)

Differential Nonlinearity

DNL

-50

—

+50

%LSB %LSB (Note 2)

ILIMIT_OUT Sink Current

(Open-Drain)

ILOUT

—1

—

VILIMIT_OUT  50 mV

ZC Back EMF Sampler Comparator (MCP8025)

Maximum Output Voltage

Swing

ZCVOL,

ZCVOH

0.05

—5.0

IOUT =1 mA

Reference Input Impedance

ZCZREF

—83

—



Input to Output Delay

ZCDELAY

—

500

VIN_STEP =500 mV (Note 2)

Voltage Divider RC Time

Constant

ZCTRC

—

100

—

ZC Output Pull-Up Range

ZCRPULLUP

3.3

—



ZC Output Sink Current

(Open-Drain)

ZCIOL

—1

—

VOUT  50 mV

AC/DC CHARACTERISTICS (CONTINUED)

Electrical Specifications:

Unless otherwise noted, TJ = -40°C to +150°C, typical values are for +25°C, VDD =13V.

Parameters

Symbol

Min.

Typ.

Max.

Units

Conditions

Note 1:

1000 hour cumulative maximum for ROM data retention (typical).

Limits are by design, not production tested.

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