ILA1062 Datasheet, PDF (8/9 Pages) Integral Corp. – TELEPHONE SPEECH NETWORK WITH DIALER INTERFACE

ILA1062/ILA1062A
0
∆GV
(dB)
-2
R6 =
-4
-6
0
R9 = 20 Ω
20
40
60
80
100
120
140
Iline (mA)
Fig. 5 Variation of gain as a function of the line current with R6 as a parameter
TABLE 1
Values of resistor R6 for optimum line-loss compensation at various values of exchange supply voltage
(V_exch) and exchange bridge resistance (R_exch ); R9 = 20W.
V_exch (V)
400 R_exch (W)
36
100
48
140
60
-
PINNING
Pin
Symbol
1
LN
2
GAS1
3
GAS2
4
QR
5
GAR
6
MIC-
7
MIC+
8
STAB
9
V_EE
10
IR
11
DTMF
12
MUTE
13
V_CC
14
REG
15
AGC
16
SLPE
Note 1. Pin 12 is active HIGH (MUTE) for ILA1062
600 R_exch (W)
800 R_exch (W)
R6 (kW)
78.7
-
110
93.1
-
120
Description
Positive Line Terminal
Gain Adjustment; Transmitting Amplifier
Gain Adjustment; Transmitting Amplifier
Non-inverting Output; Receiving Amplifier
Gain Adjustment; Receiving Amplifier
Inverting Microphone Input
Non-inverting Microphone Input
Current Stabilizer
Negative Line Terminal
Receiving Amplifier Input
Dual-tone Multi-Frequency Input
Mute Input (see note 1)
Positive Supply Decoupling
Voltage Regulator Decoupling
Automatic Gain Control Input
Slope (DC resistance) Adjustment
1000 R_exch (W)
-
82
102
8