TDA1579/V4 Ver la hoja de datos (PDF) - Philips Electronics

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TDA1579/V4

Decoder for traffic warning (VWF) radio transmissions

Philips Electronics 

Philips Semiconductors

Decoder for traffic warning (VWF) radio

transmissions

Product specification

TDA1579

TDA1579T

PARAMETER

Internal reference voltage

Output voltage

(typ. value = 0.5 VP)

Internal resistance of

voltage source

Available output current

Output short-circuit current

(typ. value = VP/1 kΩ)

Reference current source

Reference voltage

(typ. value = V8-18−VBE)

Internal biasing resistor

Allowable range of external

reference resistor

* Selectable by R12-8 or Z10-8.

CONDITIONS

SYMBOL

MIN.

TYP. MAX. UNIT

V8-18

4.0

4.25

4.5

V

R8

−I8

+I8

−I8sc

−

−

5

Ω

2

−

−

mA

0.6

−

−

mA

−

8

−

mA

V17-18

Ri17

R17-18

−

3.6

−

5

180

−

−

V

−

kΩ

270

kΩ

May 1992

5

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