TEA1114AT/C1 View Datasheet(PDF) - Philips Electronics

Part Name

Description

View to exact match

TEA1114AT/C1

Low voltage telephone transmission circuit with dialler interface and regulated strong supply

Philips Electronics 

Philips Semiconductors

Low voltage telephone transmission circuit with

dialler interface and regulated strong supply

Product specification

TEA1114A

handbook, full pagewidth

100

µF

Iline

VO

Zline

600

Ω

Iline

VLN

RCC

619 Ω

ICC

IDD

LN

IR

VCC

VDD

QR

VMIC

3

mA

MIC−

MIC+

DTMF

TEA1114A

220

nF

VDTMF

REG AGC SLPE VEE

CREG

4.7 µF

RSLPE

20 Ω

GAR

RX

MUTE

S1

CVDD

220 µF

CVCC

100 µF

10 µF RL1

RE2 CGAR

CGARS

RE1

100 kΩ

100

nF

RL2

10 kΩ

MGK809

Voltage gain defined as Gv = 20 log V--V---O-I- ; VI = VMIC or VDTMF.

Microphone gain: S1 = open.

DTMF gain and confidence tone: S1 = closed.

Inputs not being tested should be open-circuit.

Fig.15 Test figure for defining transmit gains.

2000 Mar 21

19

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