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Philips TDA8303A User Manual

Page 8

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July 1992

8

Philips Semiconductors

Preliminary specification

Small signal combination IC for black/white TV

TDA8303

TDA8303A

S/N

signal-to-noise ratio

10 mV input
signal

50

57

dB

S/N

signal-to-noise ratio

end of gain
control range

50

62

dB

V

17

residual carrier signal

2

10

mV

V

17

residual 2nd harmonic of carrier signal

2

10

mV

Tuner AGC

V

8-9(RMS)

minimum starting point for tuner take

over

(RMS value)

0.2

mV

V

8-9(RMS)

maximum starting point for tuner take

over

(RMS value)

100

150

mV

I

5

maximum tuner AGC output swing

V

5

= 3 V

4

mA

V

5

output saturation voltage

I

5

= 2 mA

300

mV

I

L

leakage current (pin 5)

1

µ

A

V

I

input signal variation complete tuner control

0.2

2

4

dB

V

1

minimum voltage tuner take

over

1

V

AFC circuit

I

19

AFC sample-and-hold switch-off current

0.1

mA

I

O

output current (pin 19)

V

19

= 0 V

0.1

0.3

mA

I

LO

output leakage current (pin 19)

2

µ

A

V

18

AFC output voltage swing

notes 18 and 19

10.5

11.5

V

I

18

available output current

0.2

mA

control slope

100

mV/kHz

V

O

output voltage (pin 18)

AFC off

5.5

6

6.5

V

R

O

AFC output resistance

40

k

V

18

output voltage swing

notes 25 and 26

11

V

control slope

notes 25 and 26

80

mV/kHz

V

18

output voltage shift with respect to
V

I

= 10 mV(RMS)

notes 25 and 26

2

V

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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