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ILA1062A

Low Voltage Transmission Circuit with Dialler Interface

Integral Corp. 

ILA1062A

ELECTRICAL CHARACTERISTICS(Iline = 11 to 140 mA; VEE = 0 V; f = 800 Hz;Tamb = 25°C;

unless other specified)

Symbol

Parameter

Test Conditions

Guaranteed Limits

Unit

Min Typ Max

∆Gvf Gain Variation with

Frequency Reference to

800 Hz

f = 300 and 3400 Hz

-

±0.2

-

dB

∆GvT

Gain Variation with

Temperature Referenced to

25°C

without R6; Iline =50 mA;

Tamb = -25 and +75°C

-

±0.2

-

dB

Vo(rms) Output Voltage (RMS value) THD = 2%; sine wave

V

drive: R4 = 100 KΩ;

Iline = 15 mA; Ip = 0 mA

RL = 150 Ω

0.22

-

-

RL = 450 Ω

0.3

-

-

Vo(rms) Output Voltage (RMS value) THD=10%; R4=100 KΩ;

-

15

-

mV

Iline = 4 mA; RL = 150 Ω

Vno(rms) Noise Output Voltage (RMS Iline = 15 mA; R4=100KΩ

-

50

-

µV

value)

IR open-circuit

psophometrically weighted;

RL =300 Ω

Gain Adjustment Input GAR (pin 5)

∆Gv Receiving Amplifier Gain

Variation by Adjustment of

R4 between GAR and OR

-11

-

0

dB

Mute Input (pin 12)

VIH

VIL

IMUTE

HIGH Level Input Voltage

LOW Level Input Voltage

Input Current

1.5

-

VCC

V

-

-

0.3

V

-

-

15

µA

Raduction of Gain

∆Gv MIC+ or MIC- to LN

MUTE = LOW

Gv

Voltage Gain from DTMF to R4 = 100 KΩ

QR

RL = 300 Ω

-

70

-

dB

-

-17

-

dB

Automatic Gain Control Input AGC (pin 15)

∆Gv Controlling the Gain from IR R6 = 110 KΩ

to QR and the Gain from

(between AGC and VEE)

MIC+, MIC- to LN

Iline = 70 mA

Gain Control Range

-

-5.8

-

dB

IlineH Highest Line Current for

Maximum Gain

-

23

-

mA

IlineL Lowest Line Current for

Minimum Gain

-

61

-

mA

7

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