TEA6820T Просмотр технического описания (PDF) - Philips Electronics

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TEA6820T

In Car Entertainment (ICE) car radio

Philips Electronics 

Philips Semiconductors

In Car Entertainment (ICE) car radio

Preliminary specification

TEA6820T; TEA6822T

SYMBOL

PARAMETER

CONDITIONS

MIN. TYP.

TIME CONSTANT FOR HIGH-CUT CONTROL VOLTAGE SDR; note 5

I15

charge current

V37-35 = 3 mV;

−

pin 3 connected to GND

discharge current

V37-35 = 3 mV;

−

pin 3 connected to GND

charge current

V37-35 = 3 mV;

−

pin 3 connected to pin 5

discharge current

V37-35 = 3 mV;

−

pin 3 connected to pin 5

m

high-cut control activated by

V15 < 2 V; V37-35 = 3 mV;

20 kHz AM interference

RL15 > 50 MΩ;

fmod = 20 kHz

pin 3 connected to GND −

pin 3 connected to pin 5 −

∆f

high-cut control activated by

V15 < 2 V; V37-35 = 3 mV;

60 kHz FM interference

RL15 > 50 MΩ;

fmod = 60 kHz

pin 3 connected to GND −

pin 3 connected to pin 5 −

0.6

−0.7

41

−44

45

45

50

50

MULTI-PATH DETECTOR

fMP

multi-path detector band-pass

centre frequency

BMP

band-pass bandwidth

Reference voltage

V21-4

∆V21-4

I21

output voltage

temperature dependence

output current

AM-IF path; see Fig.14 and notes 6 and 7

I21 = −1 mA

−

20

7.0 −

4.5 5.1

−

3.3

−

−

V22-23 max(p-p)

I22, I23

I22IF2/V27-24IF1

R27-24

C27-24

R22-23

C22-23

IP3

maximum output voltage

(peak-to-peak value)

mixer bias current

mixer leakage current

conversion gain

input resistance

input capacitance

output resistance

output capacitance

third order intermodulation

in FM position

12 15

5.0 6.0

−

−

2.2 2.7

300 330

−

5

10.0 20.0

−

5

−

137

MAX. UNIT

−

µA

−

µA

−

µA

−

µA

−

%

−

%

−

kHz

−

kHz

−

kHz

−

kHz

5.7 V

−

mV/VK

1

mA

−

V

7.0 mA

2

µA

3.4 mS

360 Ω

8

pF

−

kΩ

10 pF

−

dBµV

1997 Feb 12

12

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