LNBH26 datasheet(30/38 Pages) STMICROELECTRONICS

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Electrical characteristics

LNBH26

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Doc ID 022771 Rev 1

8.1

Output voltage selection

Each LNBH26 channel is provided with 15 output voltage levels (7 levels for 13 V range

when VSEL4-A/B=0 and 8 levels for 18 V range when VSEL4-A/B=1) which can be selected

through the register Data1.

Table 14 shows the output voltage values corresponding to

VSELx bit combinations both for channel A and B. If all VSELx are set to “0” the device is set

in standby mode and the VOUT-A/B is disabled.

TJ from 0 to 85 °C, VI = 12 V.

Table 14.

Output voltage selection table (Data1 register, write mode) (1)

VSEL4-

A/B

VSEL3-

A/B

VSEL2-

A/B

VSEL1-

A/B

VOUT

min.

VOUT -A/B

voltage

VOUT

max.

Function

0000

VOUT -A/B disabled. LNBH26 set in

standby mode

0001

12.545

13.000

13.455

0010

12.867

13.333

13.800

0011

13.188

13.667

14.145

0100

13.51

14.000

14.490

0101

13.832

14.333

14.835

0110

14.153

14.667

15.180

0111

14.475

15.000

15.525

1000

17.515

18.150

18.785

1001

17.836

18.483

19.130

1010

18.158

18.817

19.475

1011

18.48

19.150

19.820

1100

18.801

19.483

20.165

1101

19.123

19.817

20.510

1110

19.445

20.150

20.855

1111

19.766

20.483

21.200

TJ from 0 to 85 °C, VI = 12 V.

Table 15.

I²C electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIL

Low level input voltage

SDA, SCL

0.8

VIH

High level input voltage

SDA, SCL

IIN

Input current

SDA, SCL, VIN = 0.4 to 4.5 V

-10

µA

VOL

Low level output voltage (1) SDA (open drain), IOL = 6 mA

0.6

FMAX

Maximum clock frequency

SCL

400

kHz

Guaranteed by design.

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