AG1170 데이터 시트보기 (PDF) - Unspecified

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AG1170

+5V / +3.3V Low Power Ringing SLIC

Unspecified 

V1.9 September 2006

Data Sheet

1.0 Pin Description - DIL Package

Pin #

Name

Ag1170

+5V / +3.3V LOW POWER RINGING SLIC

Description

1

TIP (A) Tip. Connects to the subscriber line Tip.

2

RING (B) Ring. Connects to the subscriber line Ring.

3

IC

Internal Connection. Do not connect externally to this pin.

Power Down of DC/DC Converter. A logic 0 powers off the

4

PD

DC/DC converter. Leave open circuit for free run operation. DO

NOT input logic 1 to this pin.

5

NC

No Connection. This pin is not connected internally.

6

NC

No Connection. This pin is not connected internally.

7

RM

Ringing Mode. Sets bias conditions during ringing. Must be set

to logic 1 during ringing. Logic 0 for other modes.

8

GNDA Analog Ground. Normally connected to system ground.

9

+VA

Analog Supply. Connect to the +5V or +3.3V supply via an RC

filter, to supply power to the analog circuits.

10

*ZT2

Line Impedance. Connect to ZT1 via impedance programming

components.

11

*ZT1

Line Impedance. Connect to ZT2 via impedance programming

components.

12

*ZB

Balance Impedance. Connect to VIN via impedance

programming components.

13

VIN

Audio In. Analog input signal from the Codec (which is output on

Tip and Ring). Connect via a 100nF capacitor.

14

NC

No Connection. This pin is not connected internally.

15

VOUT

Audio Out. Analog output signal (from Tip and Ring) to the

Codec. Connect via a 100nF capacitor.

16

F/R

Forward/Reverse. A logic 0 will reverse the Tip and Ring voltage

polarities. F/R is toggled to produce the ringing output.

17

SHK

Switch Hook. Indicates an off-hook condition when at logic 1.

18

GNDPWR DC/DC Ground. Ground input for the DC/DC converter.

19

+VPWR DC/DC Supply. +5V or +3.3V input for the DC/DC converter.

20

GNDPWR DC/DC Ground. Ground input for the DC/DC converter.

21

+VPWR DC/DC Supply. +5V or +3.3V input for the DC/DC converter.

* Only used for the Ag1170P device. Do not connect for Ag1170 as impedance is programmed to 600R internally

© Silver Telecom 2006

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