TEA1118 Ver la hoja de datos (PDF) - Philips Electronics

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Fabricante

TEA1118

Versatile cordless transmisssion circuit

Philips Electronics 

Philips Semiconductors

Versatile cordless transmisssion circuit

Product specification

TEA1118; TEA1118A

SYMBOL

PARAMETER

CONDITIONS

Automatic gain control (pin AGC)

∆Gvtrx

Istart

gain control range for transmit and

receive amplifiers with respect to

Iline = 15 mA

highest line current for maximum

gain

Iline = 75 mA;

Istop

lowest line current for minimum gain

DTMF amplifier (pin DTMF; TEA1118A only)

Zi

Gvdtmf

input impedance

voltage gain from DTMF to LN

∆Gvdtmf(f)

∆Gvdtmf(T)

Gvct

gain variation with frequency

referenced to 1 kHz

gain variation with temperature

referenced to 25 °C

voltage gain from DTMF to QR

(confidence tone)

VDTMF = 100 mV (RMS);

MUTE or TMUTE = HIGH

f = 300 to 3400 Hz

Tamb = −25 to + 75 °C

VDTMF = 100 mV (RMS);

RL = 150 Ω

Mute function (pin MUTE; TEA1118A only)

VIL

VIH

IMUTE

∆Gtrxm

LOW level input voltage

HIGH level input voltage

input current

gain reduction for transmit and

receive amplifiers

input level = HIGH

MUTE = HIGH

MIN. TYP. MAX. UNIT

−

5.8 −

dB

−

26

−

mA

−

61

−

mA

−

20

−

kΩ

16.2

17.4 18.6

dB

−

±0.2 −

dB

−

±0.4 −

dB

−

−18 −

dB

VEE − 0.4 −

VEE + 1.5 −

−

1.25

−

80

VEE + 0.3 V

VCC + 0.4 V

3

µA

−

dB

1997 Jul 14

15

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