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TEA1114AT View Datasheet(PDF) - Philips Electronics

Part Name
Description
Manufacturer
TEA1114AT Datasheet PDF : 28 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
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
 

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