ACPL-C87AT datasheet(7/16 Pages) BOARDCOM

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Broadcom

AV02-3564EN

ACPL-C87AT/ACPL-C87BT Data Sheet

Automotive High Precision DC Voltage Isolation Sensor

Electrical Specifications

Unless otherwise noted, all typical values at TA = 25°C, VDD1 = VDD2 = 5V, VIN = 0 to 2V, VSD = 0V; all Minimum/Maximum

specifications are at recommended voltage supply conditions: 4.5V ≤ VDD1 ≤ 5.5V, 4.5V ≤ VDD2 ≤ 5.5V.

Parameter

Symbol

Min.

Typ.

Max.

Units

Test Conditions

Figure

Note

Power Supplies

Input Supply Current

IDD1

—10.5

VSD = 0V

18, 19

Input Supply Current

(Shutdown Mode)

IDD1(SD)

—20—

µA

VSD = 5V

Output Supply Current

IDD2

—6.5

18, 20

DC Characteristics

Gain (ACPL-C87BT, ± 0.5%)

0.995

1.005

V/V

TA = 25°C, VIN = 0 to 2 V,

VDD1 =VDD2 = 5.0V

Gain (ACPL-C87AT, ± 1%)

0.99

1.01

V/V

TA = 25°C, VIN = 0 to 2 V,

VDD1 =VDD2 = 5.0V

8, 11

a. Gain is defined as the slope of the best-fit line of differential output voltage (VOUT+ – VOUT-) versus input voltage over the nominal range, with

offset error adjusted. A 0.5% gain tolerance for ACPL-C87BT, and a 1% tolerance for ACPL-C87AT.

Magnitude of Gain Change vs.

Temperature

|dG/dTA|

—

ppm/°C TA = -40°C to +125°C

Magnitude of Gain Change vs.

VDD1

|dG/dVDD1|

—

0.05

—

%/V

TA = 25°C

Magnitude of Gain Change vs.

VDD2

|dG/dVDD2|

—

0.02

—

%/V

TA = 25 °C

12, 13

Nonlinearity

—

0.05

0.12

VIN = 0 to 2V,

TA = –40°C to +125°C

15, 16

Input Offset Voltage

VOS

–10

-0.3

VIN is shorted to GND1,

TA = 25°C

7, 9, 10

Magnitude of Input Offset Change

vs. Temperature

|dVOS/dTA|—

—

µV/°C VIN is shorted to GND1,

TA = –40°C to +125°C

7, 9

Inputs and Outputs

Full-Scale Differential Voltage Input

Range

FSR

—

2.46

—

Referenced to GND1

Input Bias Current

IIN

–0.1

-0.001

0.1

µA

VIN = 0V

Equivalent Input Impedance

RIN

—

1000

—

MΩ

Output Common-Mode Voltage

VOCM

—1.23—

VIN = 0V, VSD = 0V

VOUT+ Range

VOUT+

—VOCM+1.23

—

VIN = 2.5V

VOUT - Range

VOUT-

—VOCM – 1.23

—

VIN = 2.5V

Output Short-Circuit Current

|IOSC|—

—

VOUT+ or VOUT-,

shorted to GND2 or VDD2

Output Resistance

ROUT

—36—

Ω

VIN = 0V

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