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Número de pieza | TEA1114AUH | |
Descripción | Low voltage telephone transmission circuit with dialler interface and regulated strong supply | |
Fabricantes | NXP Semiconductors | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de TEA1114AUH (archivo pdf) en la parte inferior de esta página. Total 28 Páginas | ||
No Preview Available ! INTEGRATED CIRCUITS
DATA SHEET
TEA1114A
Low voltage telephone
transmission circuit with dialler
interface and regulated strong
supply
Product specification
Supersedes data of 1999 Sep 14
File under Integrated Circuits, IC03
2000 Mar 21
1 page Philips Semiconductors
Low voltage telephone transmission circuit with
dialler interface and regulated strong supply
Product specification
TEA1114A
PINNING
SYMBOL
LN
SLPE
REG
IR
AGC
DTMF
VDD
MUTE
QR
n.c.
VEE
n.c.
GAR
RX
MIC+
MIC−
n.c.
VCC
n.c.
PIN
TEA1114A(T)
1
2
3
4
5
6
7
8
9
−
10
−
11
12
13
14
15
16
−
PAD
TEA1114AUH
DESCRIPTION
1, 19
positive line terminal
2 slope (DC resistance) adjustment
3 line voltage regulator decoupling
4 receiving amplifier input
5 automatic gain control/ line loss compensation
6 dual-tone multi-frequency input
7 regulated supply for peripherals
8 mute input to select speech or dialling mode (active LOW)
9 earpiece amplifier output
10 not connected
11 negative line terminal
12 not connected
13 earpiece amplifier gain adjustment
14 receive amplifier output
15 non-inverting microphone amplifier input
16 inverting microphone amplifier input
− not connected
17 supply voltage for internal circuit
18 not connected
2000 Mar 21
handbook, halfpage
LN 1
SLPE 2
16 VCC
15 n.c.
REG 3
14 MIC−
IR 4
13 MIC+
TEA1114A
AGC 5
12 RX
DTMF 6
11 GAR
VDD 7
10 VEE
MUTE 8
9 QR
MGK803
Fig.2 Pin configuration.
5
5 Page Philips Semiconductors
Low voltage telephone transmission circuit with
dialler interface and regulated strong supply
Product specification
TEA1114A
handbook, full pagewidth
Zline
VEE
LN
RCC
Rast1
RSLPE
Im IR
Rast2
Rast3
SLPE
Zbal
Zir
MBE787
Fig.9 Equivalent circuit of TEA1114A anti-sidetone bridge.
handbook, full pagewidth
Zline
VEE
RCC
LN
Zbal
Im IR
RSLPE
Rast1 RA
SLPE
Zir
MBE786
Fig.10 Equivalent circuit of an anti-sidetone network in a Wheatstone bridge configuration.
2000 Mar 21
11
11 Page |
Páginas | Total 28 Páginas | |
PDF Descargar | [ Datasheet TEA1114AUH.PDF ] |
Número de pieza | Descripción | Fabricantes |
TEA1114AUH | Low voltage telephone transmission circuit with dialler interface and regulated strong supply | NXP Semiconductors |
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