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TEA1113 Datasheet(PDF) 5 Page - NXP Semiconductors

Part No. TEA1113
Description  Low voltage versatile telephone transmission circuit with dialler interface
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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TEA1113 Datasheet(HTML) 5 Page - NXP Semiconductors

 
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1997 Mar 27
5
Philips Semiconductors
Product specification
Low voltage versatile telephone
transmission circuit with dialler interface
TEA1113
The preferred value for RSLPE is 20 Ω. Changing RSLPE will affect more than the DC characteristics; it also influences the
microphone and DTMF gains, the LED supply current characteristic, the gain control characteristics, the sidetone level
and the maximum output swing on the line.
Fig.3 Supply configuration.
handbook, full pagewidth
LED
DRIVER
Ish
ISLPE
REG
LN
SLPE
VEE
VCC
RCC
CVCC
ICC
CREG
RSLPE
Vexch
Rexch
ILED
ILED
Iline
Rline
TEA1113
I*
Ip
peripheral
circuits
100
µF
4.7
µF
20
619
MBG019
from preamp
Fig.4 Reference voltage adjustment by a RVA resistor.
(1) RVA between REG and SLPE.
(2) No RVA.
(3) RVA between REG and LN.
handbook, halfpage
5.5
Vref
(V)
2.5
3.5
4.5
RVA (Ω)
10
4
MGD188
10
5
106
10
7
(1)
(2)
(3)


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