LNBH25S datasheet(32/37 Pages) STMICROELECTRONICS

tên linh kiện	LNBH25S

Giải thích chi tiết về linh kiện	LNB supply and control IC with step-up and IC interface

PDF	37 Pages

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

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Electrical characteristics

LNBH25S

32/37

DocID026736 Rev 2

Refer to Section 5: "Typical application circuits", TJ from 0 to 85 °C, all data 1..4 register

bits set to “0” unless VSEL1 = 1, TEN =1, RSEL = 11.5 kΩ, DSQIN = high, V

IN = 12 V,

IOUT=50 mA, unless otherwise stated. Typical values are referred to TJ = 25 °C. VOUT =

VOUT pin voltage. See Section 6: "I²C bus interface" and Section 7: "I²C interface

protocol".

Table 19: 22 kHz tone diagnostic (TMON bit, status 2 register) characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

ATH-L

Amplitude diagnostic low

threshold

DETIN pin AC coupled

200

300

400

ATH-H

Amplitude diagnostic high

threshold

DETIN pin AC coupled

900

1100

1200

FTH-L

Frequency diagnostic low

thresholds

DETIN pin AC coupled

16.5

kHz

FTH-H

Frequency diagnostic high

thresholds

DETIN pin AC coupled

29.5

kHz

If the 22 kHz tone parameters are lower or higher than the above limits, the

TMON I²C bit is set to “1”.

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