ILA1062 Datasheet, PDF(7/9 Page) Integral Corp. – TELEPHONE SPEECH NETWORK WITH DIALER INTERFACE

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ILA1062 Datasheet, PDF (7/9 Pages) Integral Corp. – TELEPHONE SPEECH NETWORK WITH DIALER INTERFACE

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ILA1062/ILA1062A

Characteristic

Output Voltage (RMS value)

Noise Output Voltage (RMS value)

Symbol

Vo(rms)

Vno(rms)

Gain adjustment input GAR (Pin 5)

Receiving Amplifier Gain Variation by

DGv

adjustment of R4 between GAR and QR

Mute input (Pin 12)

HIGH Level Input Voltage

LOW Level Input Voltage

Input Current

VIH

VIL

IMUTE

Reduction of Gain

MIC+ or MIC- to LN

DGv

TEA1062

TEA1062A

Voltage Gain from DTMF to QR

TEA1062

TEA1062A

Automatic Gain Control Input AGC (Pin 15)

Controlling the Gain from IR to QR and the

DGv

Gain from MIC+, MIC- to LN

Gain Control Range

Highest Line Current for Maximum Gain

IlineH

Lowest Line Current for Minimum Gain

IlineL

2.4

(1)

(mA)

(2)

1.6

Test Condition

THD = 10%; R4 = 100kW;

RL = 150W; Iline = 4mA

Iline = 15mA; R4 = 100kW;

IR open-circuit

RL = 300W

MUTE = HIGH

MUTE = LOW

R4 = 100kW; RL = 300W

MUTE = HIGH

MUTE = LOW

R6 = 110kW

(between AGC and VEE)

Iline = 70mA

Min Typ Max

Unit

-11

1.5

VCC

0.3

-17

5.8

0.8

VCC(V)

Fig.4 Typical current Ip available from VCC for peripheral circuitry.

The supply possibilities can be increased by setting the voltage drop over the circuit VLN to a higher value be

resistor RVA connected between REG and SLPE.

VCC > 2.2V; Iline = 15mA at VLN = 4V; R1 = 620W; R9 = 20W

(1) Ip = 2.1mA. Curve (1) is valid when the receiving or when MUTE = HIGH(ILA1062), MUTE =

LOW(ILA1062A).

(2) Ip = 1.7mA. Curve (2) is valid when MUTE = LOW(ILA1062), MUTE = HIGH(ILA1062A) and the receiving

amplifier is driven; Vo(rms) = 150mV, RL = 150W.

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