TEA6824 Просмотр технического описания (PDF) - Philips Electronics

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TEA6824

Front-end and PLL synthesizers for car radios

Philips Electronics 

Philips Semiconductors

In Car Entertainment (ICE) car radio

Preliminary specification

TEA6824T

SYMBOL

PARAMETER

CONDITIONS

Unweighted voltage level

V50-4

∆V50-4/∆V37-35

unweighted voltage level

slope of unweighted voltage level

see Fig.7; V38 = 2.52 V;

V37-35 ≤ 2.5 µV

V37-35 = 1.0 mV

100 µV ≤ V37-35(rms)

< 300 mV;

temperature

compensation off

temperature

compensation on

∆V50-4/(V50-4∆T) temperature dependence

V37-35 = 1 mV;

temperature

compensation off

temperature

compensation on

Isource(max)

maximum output source current

pin 50

Isink(max)

maximum output sink current

pin 50

Ro50

output resistance pin 50

ADJUSTMENT OF UNWEIGHTED VOLTAGE LEVEL AND Vmutaml; note 1

∆V50

adjusting range voltage pin 50

V37-35(rms) = 10 mV

V38-4

internal bias voltage

∆V50-4/∆V38-4 adjusting gain

Ri38

input resistance pin 38

Multi-path detector

fMP

multi-path detector band-pass

centre frequency

BMP

band-pass bandwidth

Reference voltage

Vo(21-4)

∆V21-4/(V21-4∆T)

Io21

output voltage

temperature dependence

output current pin 21

I21 = −1 mA

AM-IF path; see Fig.9 and notes 2 and 3

V22-23max(p-p)

maximum output voltage between

pins 22 and 23

(peak-to-peak value)

MIN. TYP. MAX. UNIT

1.6 2.2

2.7 3.4

3.0 V

4.7 V

0.75 0.9

0.6 0.75

1.05 V/20 dB

0.9 V/20 dB

−

5.0

−

2.0

0.3 −

−50 −

−

−

−1.8 −

−

2.6

−

−0.9

−

80

−

20

7

−

4.5 5.1

−

3.3

−

−

12 15

−

mV/VK

−

mV/VK

−

mA

−

µA

300 Ω

+1.8 V

−

V

−

−

kΩ

−

kHz

−

kHz

5.7 V

−

mV/VK

1

mA

−

V

1997 May 05

10

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