L9680 datasheet(278/286 Pages) STMICROELECTRONICS

278 / 286 page

Electrical characteristics

L9680

278/286

DS11615 Rev 7

17.23

Voltage diagnostics (Analog MUX)

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

40 °C  Ta  +95 °C, VINGOOD0  VIN  35V.

17.24

Temperature sensor

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

40 °C  Ta  +95 °C, VINGOOD0  VIN  35 V.

Table 72. Voltage diagnostics (Analog MUX)

Symbol

Parameter

Conditions

Min

Typ

Max Units

Ratio_1

Divider ratios

VIN_RANGE_1 = 0.1 V to 2.5 V

V/V

Ratio_4

VINPUT_RANGE_4 = 1 V to 10 V

-3%

+3%

V/V

Ratio_7

VINPUT_RANGE_7 = 1.5V to

17.5V

-3%

+3%

V/V

Ratio_10

VINPUT_RANGE_10 = 2 V to 25 V

-3%

+3%

V/V

Ratio_15

VINPUT_RANGE_15 = 3 V to 35 V

-3%

+3%

V/V

Offset

Divider Offset

High impedance

-10

RRATIO_4

Multiplexer input

resistance

Multiplexer input to GNDA

kΩ

RRATIO_7

Multiplexer input to GNDA

120

kΩ

RRATIO_10

Multiplexer input to GNDA

160

kΩ

RRATIO_15

Multiplexer input to GNDA

200

kΩ

ILEAK_MUX_ON

Additional multiplexer

on-state input leakage

current

For all divider ratio expect

ratio_1

µA

VMEAS_ACC

Voltage measurement

accuracy

(±15LSB) plus divider error (±3%)

Table 73. Temperature sensor specifications

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

TMON_RANGE

Monitoring temperature

range

-40

150

°C

TMON_ACC

Monitoring temperature

accuracy

-15

°C

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