LNBH24PPR datasheet(22/30 Pages) STMICROELECTRONICS

Nome de Peças	LNBH24PPR

Descrição Electrónicos	Dual LNB supply and control IC with step-up and I2C interface

PDF	30 Pages

Scroll/Zoom	100%

Fabricante Electrônico	STMICROELECTRONICS [STMicroelectronics]

Página de início	http://www.st.com

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Electrical characteristics

LNBH24

22/30

NB: if the 22 kHz tone parameters are lower or higher than the above limits the TMON I²C bit is set to 1.

Table 13.

22KHz tone diagnostic (TMON bit) characteristics of sections A/B

(refer to the typical application circuit in Figure 4, TJ from 0 to 85 °C, EN=1,

VSEL=LLC=TEN=PCL=ITEST=TTX=AUX=0, RSEL=11 kΩ, DSQIN=LOW, VI=12 V, IO = 50

mA, unless otherwise stated. Typical values are referred to TJ = 25 °C. See software

description section for I²C access to the system register)

Symbol

Parameter

Test condition

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

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