September 1992

7

Philips Semiconductors

Product specification

BTSC-stereo/SAP/DBX decoder and DBX expander

TDA3833

SAP indication output (pin 6)

output voltage range

SAP present

−−

0.5

V

SAP not present

−

V

output current active LOW

SAP present

3

−−

mA

Audio outputs (pins 23 and 24)

output signal

(RMS value, pins 23 and 24)

see note 3

−

550

−

mV

output signal headroom

−

9.5

−

dB

output signal difference between L and R f = 250 to 6300 Hz

−−

3dB

output signal difference after switching

from L or R to SAP

f = 250 to 6300 Hz

−−

3dB

DC offset voltage after switching

stereo/mono/SAP

−−

±100

mV

output resistance

−

200

300

Ω

load resistance

10

−−

k

Ω

load capacitance

−−

500

pF

THD

total harmonic distortion

L and R signal

−

0.2

−

%

SAP signal

−

0.5

−

%

B

L and R frequency response

f = 50 to 10000 Hz

12 kHz related to

1 kHz

−3

−−

dB

−−3

−

dB

SAP frequency response

f = 50 to 8000 Hz

−3

−−

dB

S/N(W)

weighted signal-to-noise ratio

L

+ R signal;

CCIR468-3

−

50

−

dB

S/N

unweighted signal-to-noise ratio

(RMS value)

L

+ R signal;

f = 20 to 20000 Hz

−

60

−

dB

crosstalk

L or R into SAP

50

63

−

dB

SAP into L or R

50

70

−

dB

channel separation

(according to DBX requirements)

f = 100 to 5000 Hz

10% 75

µs

equivalent input

modulation

20

26

−

dB

1 to 100% 75

µs15

20

−

dB

equivalent input

modulation

SYMBOL

PARAMETER

CONDITIONS

MIN.

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MAX.

UNIT