Philips Semiconductors
Versatile cordless transmisssion circuit
Product specification
TEA1118; TEA1118A
PINNING
SYMBOL
LN
SLPE
REG
GAT
TMUTE
DTMF
MUTE
IR
AGC
TX−
TX+
VEE
QR
GAR
VCC
n.c.
TEA1118
SO14 SSOP16
1
2
3
4
−
−
−
7
8
9
10
11
12
13
14
5 and 6
1
2
3
4
−
−
−
9
10
11
12
13
14
15
16
5 to 8
TEA1118A
SO14 SSOP16
DESCRIPTION
1
1
positive line terminal
2
2
slope (DC resistance) adjustment
3
3
line voltage regulator decoupling
−
−
transmit gain adjustment
4
5
transmit mute input
5
6
dual-tone multi-frequency input
6
8
mute input to select speech or dialling mode
7
9
receive amplifier input
8
10 automatic gain control/line loss compensation
9
11 inverting transmit amplifier input
10
12 non-inverting transmit amplifier input
11
13 negative line terminal
12
14 receive amplifier output
13
15 receive gain adjustment
14
16 supply voltage for speech circuit and peripherals
−
4 and 7 not connected
1997 Jul 14
5