INTEGRATED CIRCUITS
DATA SHEET
TEA1111A
Speech circuit with dialler interface,
regulated supply and earpiece
volume control
Product specification
Supersedes data of 1999 Nov 22
File under Integrated Circuits, IC03
2000 Feb 18
Philips Semiconductors
Product specification
Speech circuit with dialler interface, regulated
supply and earpiece volume control
TEA1111A
ORDERING INFORMATION
PACKAGE
TYPE
NUMBER
NAME
TEA1111AT
SO16
DESCRIPTION
plastic small outline package; 16 leads; body width 3.9 mm
−
TEA1111AUH
VERSION
SOT109-1
−
bare die; on foil
BLOCK DIAGRAM
VCI
IR
MUTE
4
GAR
9
handbook, full pagewidth
12
receive
amplifier
V
I
VOLUME
CONTROL
I
CURRENT AND
VOLTAGE
REFERENCE
0.5VCC
6
ATTENUATOR
16
VDD
V
MIC+
MIC−
QR
earpiece
amplifier
8
V
DTMF
11
7
REGULATOR
I
13
14
1
V
VCC
VDD
LN
I
microphone
amplifier
VEE
10
AGC
CIRCUIT
LOW VOLTAGE
CIRCUIT
AGC
5
LED CONTROL
TEA1111A
3
15
REG
LEDC
Fig.1 Block diagram.
2000 Feb 18
3
2
SLPE
FCA051
