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TEA1065T View Datasheet(PDF) - Philips Electronics

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TEA1065T Datasheet PDF : 28 Pages
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Philips Semiconductors
Versatile telephone transmission circuit with
dialler interface
Product specification
TEA1065
3
handbook, halfpage
IP
(mA)
(1)
2
(2)
MBA569
1
(3)
(4)
0
0
1
2
3
4
VCC (V)
Iline = 15 mA at VLN = 4.45 V
R1 = 620
R9 = 20
Curve (1) and (3) are valid when the receiving amplifier is not driven or when MUTE = HIGH, curves (2) and (4)
are valid when MUTE = LOW and the receiving amplifier is driven, Vo(rms) = 150 mV, RL = 150 (asymmetrical).
(1) = 2.2 mA; (2) = 1.77 mA; (3) = 0.78 mA and (4) = 0.36 mA.
Fig.7 Maximum current Ip available from VCC for external (peripheral) circuitry with VCC > 2.2 V and VCC > 3 V.
handbook, halfpage
SLPE
Leq
Vref
R9
20
LN
Rp
REG
C3
4.7 µF
R1
VCC
C1
VEE
MBA552
Leq = C3 × R9 × Rp
Rp = 17.5 k
Fig.8 Equivalent circuit impedance between LN
and VEE.
March 1994
8
 

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