TEA6821T Ver la hoja de datos (PDF) - Philips Electronics

Número de pieza

componentes Descripción

Lista de partido

TEA6821T

ICE car radio

Philips Electronics 

Philips Semiconductors

ICE car radio

Preliminary specification

TEA6821T

SYMBOL

PARAMETER

CONDITIONS

MIN. TYP. MAX. UNIT

V/20 dB

slope of mute voltage ∆V49-4/∆V37-35 V37-35 ≤ 100 µV

(RMS) < 300 mV

0.75 0.845 0.95 V

∆V49-4/VK

temperature dependence

Attack and decay time for mute voltage.

V37-35 = 1 mV

−

4.0 −

mV/VK

I49

charge current

discharge current

pin 3 connected to GND −

3.0 −

µA

−

−3.6 −

µA

charge current

pin 3 connected to pin 21 −

130 −

µA

discharge current

−

−160 −

µA

∆f

muting activated by 60 kHz

pin 3 connected to GND; −

30

−

kHz

FM interference

V37-35 = 3 mV;

V49 < 2 V; fmod = 60 kHz

Time constant for mono/stereo blend voltage. The mono/stereo blend voltage is generated as a function of FM IF2

voltage, multipath level, noise and position of Tswitch.

I16

charge current

discharge current

V37-35 = 3 mV;

−

0.5 −

µA

pin 3 connected to GND −

−18 −

µA

charge current

discharge current

V37-35 = 3 mV;

−

26

−

µA

pin 3 connected to pin 21 −

−800 −

µA

m

mono/stereo blend activated by

V16 < 2 V; V37-35 = 3 mV;

20 kHz AM interference

RL16 > 50 MΩ;

fmod = 20 kHz; pin 3

connected to GND

−

45

−

%

pin 3 connected to pin 21 −

40

−

%

∆f

mono/stereo blend activated by

V16 < 3 V; V37-35 = 3 mV;

60 kHz FM interference

RL16 > 50 MΩ;

fmod = 60 kHz; pin 3

connected to GND

−

30

−

kHz

pin 3 connected to pin 21 −

22

−

kHz

Time constant for high-cut control voltage (SDR). The high-cut control voltage is generated as a function of FM IF2

voltage, multipath level, noise and position of Tswitch.

I15

charge current

discharge current

V37-35 = 3 mV;

−

0.4 −

µA

pin 3 connected to GND −

−0.44 −

µA

charge current

discharge current

V37-35 = 3 mV;

−

41

−

µA

pin 3 connected to pin 21 −

−44 −

µA

m

high-cut control activated by 20 kHz V15 < 2 V; V37-35 = 3 mV;

AM interference

RL15 > 50 MΩ;

fmod = 20 kHz;

pin 3 connected to GND −

40

−

%

pin 3 connected to pin 21 −

35

−

%

∆f

high-cut control activated by 60 kHz V15 < 2 V; V37-35 = 3 mV;

FM interference

RL15 > 50 MΩ;

fmod = 60 kHz;

pin 3 connected to GND −

25

−

kHz

pin 3 connected to pin 21 −

20

−

kHz

September 1993

15

Share Link: