LNBH24L datasheet(19/25 Pages) STMICROELECTRONICS

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LNBH24L

Electrical characteristics

Doc ID 16857 Rev 2

19/25

TJ from 0 to 85 °C, VI = 12 V.

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

tr, tf

Tone rise or Fall time

DSQIN=HIGH or TEN=1, TTX=1

(using internal generator)

µs

VPDC_OL

PDC pin logic LOW

IPDC = 2 mA

0.3

IPDC_OZ

PDC pin leakage current

VPDC = 5 V

µA

GEXTM

External modulation Gain

ΔVOUT/ ΔVEXTM, freq. from 10 kHz to

50 kHz

1.8

VEXTM

External modulation input

voltage

EXTM AC coupling (2)

400

mVPP

ZEXTM

External modulation

impedance

EffDC-DC

DC-DC converter efficiency

IOUT = 500 mA

FSW

DC-DC converter switching

frequency

220

kHz

VIL

DSQIN,TTX, pin logic low

0.8

VIH

DSQIN,TTX, pin logic high

IIH

DSQIN,TTX, pin input current VIH = 5 V

µA

IOBK

Output backward current

EN = 0, VOBK = 21 V

-6

-15

TSHDN

Thermal shut-down threshold

150

°C

ΔT

SHDN

Thermal shut-down

hysteresis

°C

Guaranteed by design, but not tested in production

External signal maximum voltage for which the EXTM function is guaranteed

Table 9.

Electrical characteristics of each sections A/B (continued)

Table 10.

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, VI = 0.4 to 4.5 V

-10

µA

VOL

Low level output voltage

SDA (open drain), IOL = 6 mA

0.6

FMAX

Maximum clock frequency

SCL

400

kHz

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