L9678P datasheet(196/203 Pages) STMICROELECTRONICS

196 / 203 page

Electrical characteristics

L9678P, L9678P-S

196/203

DocID029274 Rev 3

15.23

Voltage diagnostics (analog Mux)

All electrical characteristics are valid for the following conditions unless otherwise noted.

-40 °C

 Ta  +95 °C, VINGOOD(max)  VIN  35V.

15.24

Temperature sensor

All electrical characteristics are valid for the following conditions unless otherwise noted.

-40 °C

 Ta  +95 °C, VINGOOD(max)  VIN  35V.

Table 62. Voltage diagnostics (Analog MUX) DC specifications

N°

Symbol

Parameter

Condition

Min

Typ

Max

Units

Ratio_1

Divider ratios

VIN_RANGE1 = 0.1V … 2.5V

V/V

Ratio_4

VINPUT_RANGE2 = 1V … 10V

(where applicable)

-3%

+3%

V/V

Ratio_7

VINPUT_RANGE_3 = 1.5V … 17.5V

(where applicable)

-3%

+3%

V/V

4Ratio_10

VINPUT_RANGE_4 = 2V … 25V

(where applicable)

-3%

+3%

V/V

5Ratio_15

VINPUT_RANGE_5 = 3V … 35V

(where applicable)

-3%

+3%

V/V

6VOFFSET_RATIO_X Divider offset

High impedance

-10

7RRATIO_4

Multiplexer input

resistance

Multiplexer input to GNDA

kΩ

8RRATIO_7

Multiplexer input to GNDA

120

kΩ

9RRATIO_10

Multiplexer input to GNDA

160

kΩ

RRATIO_15

Multiplexer input to GNDA

200

kΩ

ILEAK_RATIO_X

Additional multiplexer

on-state input

leakage current

For All Divider Ratio expect Ratio_1

µA

VMEAS_ACC

Voltage

measurement

accuracy

All range

All errors included

-12

+12

Table 63. Temperature sensor specifications

N°

Symbol

Parameter

Condition

Min

Typ

Max

Units

1TMON_RANGE

Monitoring temperature

range

-40

150

°C

2TMON_ACC

Monitoring temperature

accuracy

--15

°C

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