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TEA1112T/C1 View Datasheet(PDF) - Philips Electronics

Part NameDescriptionManufacturer
TEA1112T/C1 Low voltage versatile telephone transmission circuits with dialler interface Philips
Philips Electronics Philips
TEA1112T/C1 Datasheet PDF : 20 Pages
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Philips Semiconductors
Low voltage versatile telephone
transmission circuits with dialler interface
Product specification
TEA1112; TEA1112A
2.5
handbook, halfpage
IP
(mA)
2
MBE783
1.5
1
0.5
(2)
(1)
0
0
1
2
3
4
VCC (V)
(1) With RVA resistor.
(2) Without RVA resistor.
Fig.6 Typical current Ip available from VCC for
peripheral circuits at Iline = 15 mA.
handbook, halfpage
RCCint VCC
VCCO
Irec
VEE
PERIPHERAL
CIRCUIT
IP
MBE792
Fig.7 VCC supply voltage for peripherals.
LN
handbook, halfpage
LEQ
RP
RCC
619
Vref
SLPE
VEE
RSLPE
20
REG
CREG
4.7 µF
VCC
CVCC
100 µF
MBE788
handboo1k,0h0alfpage
I
(mA)
80
60
40
20
MBE784
ISLPE
Ish
ILED
LEQ = CREG × RSLPE × RP.
RP = internal resistance.
RP = 15.5 k.
Fig.8 Equivalent impedance between LN and VEE.
0
0
20
40
60
80
100
Iline (mA)
Fig.9 Available current to drive an LED.
1997 Mar 26
8
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