tea1065t NXP Semiconductors, tea1065t Datasheet - Page 16

• Manufacturer Part Number: tea1065t
• Description: Versatile Telephone Transmission Circuit With Dialler Interface
• Manufacturer: NXP Semiconductors

Philips Semiconductors
March 1994
Transmitting amplifier output LN (pin 1)
V
V
Receiving amplifier input IR (pin 17)
Z
Receiving amplifier outputs QR and QR (pin 5 and 4)
Z
G
V
V
SYMBOL
I
O
G
G
LN(rms)
no(rms)
O(rms)
O(rms)
Versatile telephone transmission circuit with
dialler interface
v
v
v
f
T
output voltage (RMS value)
noise output voltage (RMS
value)
input impedance
output impedance
voltage gain
variation with frequency
referred to 800 Hz
variation with temperature
referred to 25 C
output voltage (RMS value)
noise output voltage (RMS
value)
PARAMETER
I
d
d
I
R7 = 68 k ;
pin 7 and 8 open-circuit
psophometrically
weighted (P53 curve);
control transistor included
(MOS BUK554 type see
Fig.18)
I
single-ended; RT = 300
differential; RT = 600
f = 300 to 3400 Hz
without R6; I
T
I
sinewave drive;
R4 = 100 k
single-ended; RT = 150
differential; RT = 450
differential; CT = 60 nF;
(1500
f = 3400 Hz
I
CT = 60 nF;
(1500
f = 3400 Hz
I
R4 = 100 k
single-ended; RT = 300
differential; RT = 600
line
line
line
line
line
line
tot
tot
amb
= 2%
= 10%
= 15 mA
= 15 mA;
= 15 mA; R4 = 100 k
= 15 mA; THD = 2%;
= 30 mA; differential;
= 15 mA;
= 25 to 75 C
CONDITIONS
series resistor);
series resistor);
16
line
= 50 mA;
1.9
17
30
36
0.3
0.56
0.87
1.02
0.5
MIN.
2.3
2.6
21
4
31
37
0.38
0.72
1.07
1.22
50
100
68
0.2
0.2
TYP.
Product specification
25
32
38
0.5
MAX.
TEA1065
V
V
dBmp
k
dB
dB
dB
dB
V
V
V
V
V
V
UNIT