TEA6850 データシートの表示（PDF） - Philips Electronics

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TEA6850

IF filter / amplifier / demodulator for FM radio receivers

Philips Electronics 

Philips Semiconductors

IF filter / amplifier / demodulator for FM

radio receivers

Preliminary specification

TEA6850

SYMBOL

PARAMETER

CONDITIONS

MIN. TYP. MAX. UNIT

CENABLE (pin 2)

V2

voltage range

chip enable

chip disable

−0.3 +0.6 +1.1 V

1.9 2.4 5.5 V

RI

input resistance

100 −

−

kΩ

Source selector isolation

(f < 12.5 kHz; mode TEA6850 signal: V6 > 1.9 V or pin not connected; mode external signal: V6 < 1.1 V)

VMPX/VMPXIN isolation of external signal

mode TEA6850 signal;

−70 −80 −

dB

∆f = 0; VMPXIN = 200 mV;

f = 12.5 kHz

VMPX/VMPX0 isolation of TEA6850 signal

mode external signal;

∆f = 22.5 kHz;

−70 −80 −

dB

RI

input resistance at pin 6

input resistance at pin 3

Rg (pin 3) < 10 kΩ;

fmod = 12.5 kHz

V6 > 1.9 V

V6 < 1.1 V

1

−

−

MΩ

3

−

−

kΩ

23 30 37 kΩ

I6

input current

Vsselect < 1.1 V

−

−

20 µA

July 1994

12

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