Philips Semiconductors
Low voltage versatile telephone transmission circuit
with dialler interface and transmit level dynamic limiting
Product specification
TEA1064A
QUICK REFERENCE DATA
PARAMETER
CONDITIONS
Operating ambient temperature
range
Line current operating range:
normal operation
with reduced performance
Internal supply current:
power-down input LOW
power-down input HIGH
Voltage gain range:
VCC1 = 2.8 V
VCC1 = 2.8 V
microphone amplifier
receiving amplifier
Line loss compensation:
gain control range
exchange supply voltage
range
exchange feeding bridge
resistance range
Maximum output voltage swing
on LN (peak-to-peak value)
R15 + R16 = 448 Ω
lline = 15 mA
Ip = 2 mA
Ip = 4 mA
Regulated line voltage application
R15 = 0 Ω;
R16 = 392 Ω
Supply for peripherals
DC line voltage
lline = 15 mA
Ip = 1.4 mA
Ip = 2.7 mA;
RREG-SLPE = 20 kΩ
lline = 15 mA
without RREG-SLPE
RREG-SLPE = 20 kΩ
SYMBOL
MIN.
TYP. MAX. UNIT
Tamb
lline
lline
ICC1
ICC1
Gv
Gv
Gv
Vexch
Rexch
−25
−
+ 75 °C
11
−
140(1) mA
2
−
11
mA
−
1.3
1.6
mA
−
60
82
µA
44
−
52
dB
20
−
45
dB
5.7
6.1
6.5
dB
36
−
60
V
400
−
1000 Ω
VLN(p-p)
VLN(p-p)
3.7
3.95 4.2
V
3.0
3.25 3.5
V
Vp
2.5
−
−
V
Vp
2.9
−
−
V
VLN
−
3.57 −
V
VLN
−
4.57 −
V
March 1994
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