TEA1064A View Datasheet(PDF) - Philips Electronics
Part Name
Description
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TEA1064A Datasheet PDF : 36 Pages
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Philips Semiconductors
Low voltage versatile telephone transmission circuit
with dialler interface and transmit level dynamic limiting
Product specification
TEA1064A
PARAMETER
Dynamic behaviour of limiter
attack time, Vmic jumps from
2 mV to 40 mV
release time, Vmic jumps from
40 mV to 2 mV
Noise output voltage (RMS value)
Receiving amplifier input IR (pin 13)
Input impedance
Receiving amplifier outputs QR− QR+
(pins 4, 5)
Output impedance
Voltage gain
single-ended; RT = 300 Ω
differential; RT = 600 Ω
Variation with frequency,
referred to 0.8 kHz
Variation with temperature,
referred to 25 °C
Output voltage (RMS value)
single-ended; RT = 150 Ω
differential; RT = 450 Ω
differential; CT = 47 nF;
(100 Ω series resistor); f = 3400 Hz
CONDITIONS
C16 = 470 nF
SYMBOL
tatt
trel
lline = 15 mA;
R7 = 68 kΩ;
200 Ω between
MIC− and MIC+;
psophometrically
weighted (P53 curve) Vno(rms)
Zi
single-ended
Zo
Fig.23;
Iline = 15 mA;
R4 = 100 kΩ
Gv
Gv
f = 300 and 3400 Hz ∆Gvf
without R6;
Iline = 50 mA;
Tamb = −25 to +75 °C
THD = 2%;
sinewave drive;
R4 = 100 kΩ;
Iline = 15 mA
Ip = 0 mA
Ip = 2 mA
Ip = 0 mA
Ip = 2 mA
∆GvT
Vo(rms)
Vo(rms)
Vo(rms)
Vo(rms)
Ip = 0 mA
Ip = 2 mA
Vo(rms)
Vo(rms)
MIN. TYP. MAX. UNIT
−
1.5 5.0 ms
50
150 −
ms
−
−72 −
dBmp
17
21
25
kΩ
−
4
−
Ω
30
31
32
dB
36
37
38
dB
−0.5 −0.2 0
dB
−
± 0.2 −
dB
−
0.22 −
V
−
0.35 −
V
−
0.39 −
V
−
0.64 −
V
−
0.57 −
V
−
0.9 −
V
March 1994
21
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