Electrical characteristics

LNBH24

20/30

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

DC-DC converter switching

frequency

220

kHz

Tone detector frequency

capture range

(2)

19

22

25

kHz

Tone detector input amplitude Sine wave signal, 22 kHz

0.3

1.5

Tone detector input

impedance

150

k

Ω

DSQOUT pin logic LOW

0.3

0.5

V

10

µA

DSQIN,TTX,13/18, EXTM pin

logic Low

0.8

V

DSQIN,TTX,13/18, EXTM pin

logic High

2V

DSQIN,TTX,13/18, EXTM pin

input current

15

µA

Output backward current

-6

-15

mA

Thermal shut-down threshold

150

°C

SHDN

Thermal shut-down

hysteresis

15

°C

1.

External signal frequency range in which the EXTM function is guaranteed.

2.

capacitor. See typical application circuit in Figure 4).

Table 8.

Electrical characteristics of sections A/B (continued) (refer to the typical application

for I²C access to the system register)

Table 9.

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

LOW Level input voltage

SDA, SCL

0.8

V

HIGH Level input voltage

SDA, SCL

2

V

Input current

-10

10

µA

Low level output voltage

0.6

V

Maximum clock frequency

SCL

400

kHz