TEA1113 Philips Semiconductors, TEA1113 Datasheet - Page 5

• Manufacturer Part Number: TEA1113
• Description: Low voltage versatile telephone transmission circuit with dialler interface
• Manufacturer: Philips Semiconductors

Philips Semiconductors
The preferred value for R
microphone and DTMF gains, the LED supply current characteristic, the gain control characteristics, the sidetone level
and the maximum output swing on the line.
1997 Mar 27
handbook, full pagewidth
Low voltage versatile telephone
transmission circuit with dialler interface
(1) R
(2) No R
(3) R
VA
VA
between REG and SLPE.
between REG and LN.
VA
.
R exch
R line
V exch
I line
I LED
SLPE
is 20 . Changing R
I LED
handbook, halfpage
Fig.4 Reference voltage adjustment by a R
TEA1113
V ref
DRIVER
(V)
5.5
4.5
3.5
2.5
LED
I SLPE
10
4
I sh
Fig.3 Supply configuration.
SLPE
(1)
(2)
(3)
R SLPE
20
SLPE
LN
10
5
will affect more than the DC characteristics; it also influences the
5
10
6
R VA ( )
from preamp
619
R CC
MGD188
4.7 F
REG
C REG
VA
10
I
*
resistor.
7
I CC
V CC
V EE
Product specification
C VCC
100 F
MBG019
TEA1113
peripheral
circuits
I p