TEA1067/C2 Philips Semiconductors (Acquired by NXP), TEA1067/C2 Datasheet - Page 15

• Manufacturer Part Number: TEA1067/C2
• Description: TEA1067; Low Voltage Versatile Telephone Transmission Circuit With Dialler Interface;; Package: SOT102-1 (DIP18), SOT163 (SO20)
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
June 1990
handbook, full pagewidth
Low voltage versatile telephone
transmission circuit with dialler interface
Curve (a) is valid when the receiving amplifier is not driven or when MUTE = HIGH,
curve (b) is valid when MUTE = LOW and the receiving amplifier is driven;
V
simply by setting the voltage drop over the circuit V
resistor R
o(rms)
= 150 mV, R
VA
connected between REG and SLPE.
Fig.10 Typical current I
L
= 150
V exch
R exch
asymmetrical. The supply possibilities can be increased
handbook, halfpage
(mA)
R line
I P
2
1
0
TEA1067
0
p
LN
a
b
available from V
DC
AC
REG
to a higher value by means of
C3
I SLPE
Fig.9 Supply arrangement.
I line
1
STAB
R5
0.5 mA
I SLPE
15
CC
2
LN
SLPE
R9
R1
for peripheral circuitry with V
V CC
V EE
I CC
0.5 mA
3
V CC (V)
(a) I
(b) I
I
R1 = 620
line
MGR085
p
p
= 15 mA at V
= 1.8 mA
= 1.35 mA
4
C1
and R9 = 20 .
LN
= 3.9 V
MBH123
peripheral
circuits
CC
I p
2.2 V.
Product specification
TEA1067