TEA1068T Philips Semiconductors, TEA1068T Datasheet - Page 3

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

Philips Semiconductors
BLOCK DIAGRAM
1996 Apr 23
handbook, full pagewidth
Versatile telephone transmission circuit
with dialler interface
The figures in parentheses refer to the TEA1068T.
MUTE
DTMF
MIC
MIC
PD
IR
11 (12)
8 (9)
7 (7)
13 (15)
14 (16)
12 (14)
V CC
V EE
SUPPLY AND
REFERENCE
15 (17)
10 (11)
TEA1068T
TEA1068
dB
REG
16 (18)
Fig.1 Block diagram.
AGC
17 (19)
REFERENCE
CURRENT
CIRCUIT
3
STAB
AGC
9 (10)
MBH130
18 (20)
SLPE
LN
1 (1)
6 (6)
5 (5)
4 (4)
2 (2)
3 (3)
Product specification
GAR
QR
QR
GAS1
GAS2
TEA1068