March 1994

3

Philips Semiconductors

Product specification

Low voltage versatile telephone transmission circuit

with dialler interface and transmit level dynamic limiting

TEA1064B

QUICK REFERENCE DATA

Note

1. For the TEA1064BT the maximum line current depends on the heat dissipating qualities of the mounted device.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

line current operating range

normal operation

note 1

11

−

140

mA

with reduced performance

2

−

11

mA

internal supply current

power-down input LOW

−

1.3

1.6

mA

power-down input HIGH

−

60

82

µA

voltage gain range

microphone amplifier

44

−

52

dB

receiving amplifier

20

−

45

dB

line loss compensation ranges

gain control

5.7

6.1

6.5

dB

exchange supply voltage

36

−

60

V

exchange feeding bridge resistance

400

−

1000

Ω

maximum output voltage swing on LN

(peak-to-peak value)

R16 = 392

Ω;

3.55

3.80

4.05

V

3.25

3.50

3.75

V

supply for peripherals

2.5

2.7

−

V

2.9

3.1

−

V

DC line voltage

3.25

3.5

3.75

V

4.05

4.4

4.75

V

operating ambient temperature range

−25

−+75

°C