TDA3827 datasheet(6/12 Pages) PHILIPS

номер детали	TDA3827

подробное описание детали	TV-sound demodulator circuit with SCART switches and AF control

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производитель	PHILIPS [NXP Semiconductors]

домашняя страница	http://www.nxp.com

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6 / 12 page

March 1991

6

Philips Semiconductors

Preliminary speciﬁcation

TV-sound demodulator circuit with SCART

switches and AF control

TDA3827

CHARACTERISTICS

All voltages are measured to GND (pin 1); VP = 5 V; VIF = 10 mV; fo = 5.5 MHz; fAF = 1 kHz; ∆f = 50 kHz; Tamb = 25 °C;

measured in test circuit of Fig.4.; unless otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

VP

supply voltage.range (pin 18)

4.5

5.0

13.2

V

IP

supply current (pin 18)

VP = 5.0 V

−

26

30

mA

VP = 12.0 V

−

28

32

mA

V14

reference voltage

2.2

2.3

2.4

V

I14

output current

−± 250 −µA

IF limiting ampliﬁer

Vi(rms)

input signal at pin 3

(RMS value)

−−

200

mV

3 dB below nominal AF

level at pin 5

−

30

50

µV

R3-1

input resistance

−

600

−Ω

V2,3,4

DC voltage

−

2.1

−

V

FM demodulator (QL = 20)

V5(rms)

AF-output signal (RMS value)

450

500

550

mV

residual 2fo-signal (RMS value)

without de-emphasis

−−

30

mV

TC

temperature coefﬁcient (pin 5)

−

1

2

mV/K

αAM

AM suppression

fAM = 400 Hz, m = 0.3,

Vi(rms) = 500 µV; Fig.8

50

62

−

dB

THD

total harmonic distortion

see Fig.8

−

0.3

0.5

%

Zo

output impedance (pin 5)

−

6.6

−

k

Ω

BAF1

small signal bandwidth (pin 5)

at

−1 dB;

without de-emphasis

100

−−

kHz

(S

+N)/N

signal to weighted noise ratio

CCIR468-3, DIN45405;

see Fig.8

73

78

−

dB

RR

ripple rejection

fR = 70 Hz,

VR = 100 mV(p-p)

30

35

−

dB

V9,10

DC voltage

−

3.2

−

V

Source selector

Vi 6,7(rms)

input signal (RMS value)

−

500

1000

mV

Z6,7

input impedance

50

80

−

k

Ω

Go

open loop gain

−

60

−

dB

G13/6,7

gain

see Fig.4

−

0

−

dB

gain (typical application)

see Fig.1

−

6

−

dB

V13

DC voltage

−

2.3

−

V

I13

DC output current

−−

1.0

mA

Z13

output impedance dynamic

−−

10

Ω

CL

capacitive output load (pin 13)

−−

1500

pF

V13(rms)

output signal (RMS value)

handling THD

< 0.1 %

−

1.0

1.1

V

noise voltage (RMS value)

Bnoise = 20 kHz

−

20

−µV

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