GL6962/GL6962A
SYMBOL
PARAMETER
DTMF input (pin 11)
| Z
i
|
Input impedance
G
V
Voltage gain from DTMF to LN
CONDITION
MIN
-
24.0
-
TYP
22
25.5
¡ ¾
0.2
-
MAX
-
27.0
-
UNIT
k§
Ù
I
line
= 15mA
R7 = 68
k§
Ù
¥ Ä
vf
G
Gain variation with frequency referred to 800f = 300 and 3400
Hz
Hz
Gain adjustment input TGA1 and TGA2 (pin 2 and 3)
¥ Ä
v
G
Transmitting amplifier gain variation by
adjustment of R7 between TGA1 and TGA2
Sending adjustment output LN (pin 1)
V
LN(RMS)
Output voltage (RMS value)
THD = 10%
I
line
= 4mA
I
line
= 15mA
V
no(RMS)
Noise output voltage
I
line
= 15mA
(RMS value)
R7 = 68
k§
Ù
200
§ Ù
between
MIC-
and MIC+;
psophometrically
weighted
dB
dB
-8
0
dB
-
1.7
-
0.8
2.3
-69
-
-
-
V
V
dBmp
Receiving amplifier input IR (pin 10)
| Z
i
|
Input impedance
Receiving amplifier output QR (pin 4)
| Z
o
|
Output impedance
G
V
Voltage gain from IR to QR
-
-
29.5
22
4
31.0
-
-
32.5
k§
Ù
¥ Ä
vf
G
I
line
= 15mA
R
L
=300
¥ Ø
(from pin 9 to
pin4)
Gain variation with frequency referred to f = 300 and 3400
800Hz
Hz
¥ Ø
dB
-
¡ ¾
0.2
-
dB
6
HYNIX [ HYNIX SEMICONDUCTOR ]
