Philips Semiconductors
Product specification
Low voltage transmission circuits with
dialler interface
TEA1062; TEA1062A
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP. MAX. UNIT
Gain adjustment inputs GAS1 and GAS2 (pins 2 and 3)
∆Gv
transmitting amplifier gain variation by
adjustment of R7 between
GAS1 and GAS2
−8
−
0
dB
Sending amplifier output LN (pin 1)
VLN(rms)
output voltage (RMS value)
THD = 10%
I
I
line = 4 mA
line = 15 mA
−
0.8
2.3
−69
−
−
−
V
1.7
−
V
Vno(rms)
noise output voltage (RMS value)
Iline = 15 mA; R7 = 68 kΩ;
200 Ω between MIC− and
MIC+; psophometrically
weighted (P53 curve)
dBmp
Receiving amplifier input IR (pin 10)
Zi input impedance
Receiving amplifier output QR (pin 4)
−
21
−
kΩ
Zo
Gv
output impedance
−
4
−
Ω
voltage gain from IR to QR
Iline = 15 mA; RL = 300 Ω
29.5
31
32.5
dB
(from pin 9 to pin 4)
∆Gvf
gain variation with frequency
referenced to 800 Hz
f = 300 and 3400 Hz
−
−
±0.2
±0.2
−
−
dB
dB
∆GvT
Vo(rms)
gain variation with temperature
referenced to 25 °C
without R6; Iline = 50 mA;
Tamb = −25 and +75 °C
output voltage (RMS value)
THD = 2%; sine wave drive;
R4 = 100 kΩ; Iline = 15 mA;
Ip = 0 mA
RL = 150 Ω
RL = 450 Ω
0.22
0.3
−
0.33
0.48
15
−
−
−
V
V
Vo(rms)
output voltage (RMS value)
THD = 10%; R4 = 100 kΩ;
RL = 150 Ω; Iline = 4 mA
mV
Vno(rms)
noise output voltage (RMS value)
Iline = 15 mA; R4 = 100 kΩ;
IR open-circuit
−
50
−
µV
psophometrically weighted
(P53 curve); RL = 300 Ω
Gain adjustment input GAR (pin 5)
∆Gv receiving amplifier gain variation by
adjustment of R4 between GAR and QR
Mute input (pin 12)
−11
−
0
dB
VIH
HIGH level input voltage
1.5
−
−
−
8
VCC
0.3
15
V
VIL
LOW level input voltage
input current
V
IMUTE
−
µA
1997 Sep 03
12
NXP [ NXP ]
