STLC3075 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STLC3075

Integrated POTS interface for home access gateway and WLL

STMicroelectronics 

STLC3075

Electrical characteristics

Table 17. Electrical characteristics (continued)

Symbol

Parameter

Test condition

Vring Line voltage

Detectors

RING D2 toggling @ fr = 25 Hz

Load = 3REN

Crest Factor = 1.25

1REN = 1800 Ω + 1.0 µF

Tamb = -40 to +85 °C

IOFFTHA Off/hook current threshold

Active mode, RTH = 32.4 kΩ

1% (Prog. ITH = 9 mA)

Active mode, RTH = 32.4 kΩ

ROFTHA Off/hook loop resistance threshold

1% (Prog. ITH = 9 mA)

IONTHA On/hook current threshold

Active mode, RTH = 32.4 kΩ

1% (Prog. ITH = 9 mA)

Active mode, RTH = 32.4 kΩ

RONTHA On/hook loop resistance threshold

1% (Prog. ITH = 9 mA)

IOFFTHI Off/hook current threshold

Hi Z mode, RTH = 32.4 kΩ

1% (Prog. ITH = 9 mA)

Hi Z mode, RTH = 32.4 kΩ

ROFFTHI Off/hook loop resistance threshold

1% (Prog. ITH = 9 mA)

IONTHI On/hook current threshold

Hi Z mode, RTH = 32.4 kΩ

1% (Prog. ITH = 9 mA)

Hi Z mode, RTH = 32.4 kΩ

RONTHI On/hook loop resistance threshold

1% (Prog. ITH = 9 mA)

Irt

Ring trip detector threshold range Ring

Irta

Ring trip detector threshold

accuracy

Ring

Trtd

Td

Rlrt(1)

ThAl

Ring trip detection time

Dialling distortion

Loop resistance

Tj for th. alarm activation

Ring

Active mode

(1) Rlrt = Maximum loop resistance (incl. telephone) for correct ring trip detection.

Digital interface

Inputs: D0, D1, D2, PD, CLK

Outputs: DET

Vih In put high voltage

Vil Input low voltage

Iih Input high current

Iil

Input low current

Vol Output low voltage

Iol = 1mA

Min. Typ. Max. Unit

44 48

Vrms

10.5

mA

3.4 kΩ

6 mA

8

kΩ

10.5

mA

800 Ω

6 mA

8

kΩ

20

50 mA

-15

15 %

60

ms

-1

1 ms

500 Ω

160

°C

2

V

0.8 V

-10

10 μA

-10

10 μA

0.45 V

27/36

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