TEA1067/C2 Philips Semiconductors (Acquired by NXP), TEA1067/C2 Datasheet - Page 12

• 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
Gain variation with frequency
Gain variation with temperature
Dual-tone multi-frequency
input DTMF
Input impedance
Voltage gain from DTMF to LN
Gain variation with frequency
Gain variation with temperature
Gain adjustment
GAS1 and GAS2
Gain variation of the
Sending amplifier output LN
Output voltage
Noise output voltage
Receiving amplifier input IR
Input impedance
Low voltage versatile telephone
transmission circuit with dialler interface
at f = 300 Hz
and f = 3400 Hz
at 25 C
and
at f = 300 Hz and f = 3400 Hz
at 25 C and 75 C
transmitting amplifier by
varying R7 between GAS1
and GAS2
75 C
PARAMETER
w.r.t 800 Hz
w.r.t. 25 C
without R6;
I
I
R7 = 68 k
w.r.t. 800 Hz
w.r.t. 25 C
I
I
THD = 2%
THD = 10%
I
THD = 10%
I
THD = 10%
I
R7 = 68 k ;
200
MIC and MIC ;
psophometrically
weighted (P53 curve)
line
line
line
line
line
line
line
= 50 mA
= 15 mA;
= 50 mA
= 15 mA
= 4 mA;
= 7 mA;
= 15 mA;
CONDITION
between
12
G
V
V
V
V
V
G
G
G
G
G
Z
LN(rms)
LN(rms)
LN(rms)
LN(rms)
no(rms)
Z
v
SYMBOL
i
i
vf
vT
vf
vT
v
16.8
24.5
1.9
17
0.5
0.5
8
MIN.
20.7
25.5
1.9
2.2
0.8
1.4
21
0.2
0.2
72
0.2
0.2
TYP.
Product specification
24.6
26.5
0
25
0.5
0.5
MAX.
TEA1067
dB
dB
k
dB
dB
dB
dB
V
V
V
V
dBmp
k
UNIT