GL6965 Datasheet, PDF (19/23 Pages) Hynix Semiconductor – Telephone Speech Network with Dialer Interface

Receiving Gain to Current Characteristic
Input=pin 15, -55dBV
Output=pin 18, pin 19
GL6965
MF Gain to Current Characteristic
Input=pin 15, -30dBVrms
Output=pin 1
50 _{Test Circuit 5}
Input Level=-55dBV
48
(K) open
(L) 10k§ Ù(PADC-VCC)
46
(M) 20k§ Ù(PADC-VCC)
(N) 25k§ Ù(PADC-GND)
(O) 100k§ Ù(PADC-GND)
44
42
(D) (E) (A) (C) (B)
40
38
36
0
20
40
60
80
100
120 140
Line Current, I_L (mA)
29 _{Test Circuit 6}
Input Level=-30dBV
28
(F) open
(G) 10k§ Ù(PADC-VCC)
27
(H) 20k§ Ù(PADC-VCC)
(I) 25k§ Ù(PADC-GND)
(J) 100k§ Ù(PADC-GND)
26
25
(D) (E) (A) (C) (B)
24
23
22
0
20
40
60
80
100
120 140
Line Current, I_L (mA)
Beep Gain to Current Characteristic
Receiving Gain to Current Characteristic
(at using Low-impedance type receiver ;
R_L=150§ Ù)
30 _{Test Circuit 8}
28
26
24
22
20
18
16
Input Level = -
30dBV
26 _{Test Circuit 7}
24
22
20
18
16
14
12
Input Level = -
55dBV
RL=150§ Ù
0
20
40
60
80
100
120 140
Line Current, I_L (mA)
19
0
20
40
60
80 100 120 140
Line Current, I_L (mA)