TEA1068T Philips Semiconductors, TEA1068T Datasheet - Page 4

• Manufacturer Part Number: TEA1068T
• Description: Versatile telephone transmission circuit with dialler interface
• Manufacturer: Philips Semiconductors

Philips Semiconductors
PINNING
1996 Apr 23
handbook, halfpage
LN
GAS1
GAS2
QR
QR+
GAR
MIC
n.c.
MIC+
STAB
V
IR
n.c.
PD
DTMF
MUTE
V
REG
AGC
SLPE
EE
CC
Versatile telephone transmission circuit
with dialler interface
SYMBOL
Fig.2 Pin configuration TEA1068.
GAS1
GAS2
STAB
MIC
MIC
GAR
QR
QR
LN
1
2
3
4
5
6
7
8
9
TEA1068
TEA1068
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
MBH132
PIN
18
17
16
15
14
13
12
11
10
TEA1068T
REG
SLPE
AGC
V CC
MUTE
DTMF
PD
IR
V EE
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
positive line terminal
gain adjustment transmitting amplifier
gain adjustment transmitting amplifier
inverting output receiving amplifier
non-inverting output receiving amplifier
gain adjustment receiving amplifier
inverting microphone input
not connected
non-inverting microphone input
current stabilizer
negative line terminal
receiving amplifier input
not connected
power-down input
dual-tone multi-frequency input
mute input
positive supply decoupling
voltage regulator decoupling
automatic gain control input
slope (DC resistance) adjustment
4
handbook, halfpage
Fig.3 Pin configuration TEA1068T.
GAS1
GAS2
STAB
MIC
MIC
GAR
QR
QR
DESCRIPTION
n.c.
LN
10
1
2
3
4
5
6
7
8
9
TEA1068T
MBH131
19
18
17
16
15
14
13
12
11
20
Product specification
SLPE
AGC
REG
MUTE
DTMF
IR
V CC
PD
n.c.
V EE
TEA1068