Справочник Пользователя для Philips TDA8303A

July 1992

7

Philips Semiconductors

Preliminary specification

Small signal combination IC for black/white TV

TDA8303

TDA8303A

V

P

 = 12 V;T

amb

 = 25

°

C; carrier 38.9 MHz negative modulation, unless otherwise specified

V

P

supply voltage range

9.5

12

13.2

V

I

P

supply current

no input

90

125

160

mA

I

11

start current (pin 11)

note 1

−

6.5

9

mA

V

11

start voltage horizontal oscillator

9.5

−

−

V

V

11

start protection level

I

11

 = 12 mA

−

−

16.5

V

V

8-9(RMS)

input sensitivity (RMS value)

at 38.9 MHz;
note 2

25

40

65

µ

V

V

8-9(RMS)

input sensitivity (RMS value)

at 45.75 MHz;
notes 2 and 25

25

40

65

µ

V

R

8-9

differential input resistance

note 3

−

1300

−

Ω

C

8-9

differential input capacitance

note 3

−

5

−

pF

G

8-9

gain control range

−

74

−

dB

∆

V

17

output signal expansion for 46 dB input signal
variation

note 4

−

1

−

dB

V

8-9

maximum input signal

100

170

−

mV

Video Amplifier (note 5)

V

17

zero signal output level

note 6

−

5.4

−

V

V

17

peak sync level

2.3

2.5

2.7

V

V

17

video output signal amplitude

note 7

2.3

2.65

3.0

V

V

17

white spot threshold level

−

5.7

−

V

V

17

white spot insertion level

−

3.8

−

V

Z

17

video output impedance

−

25

−

Ω

I

17

internal bias current of npn emitter follower
output transistor

1.4

1.8

−

mA

I

source

maximum source current (pin 17)

10

−

−

mA

B

bandwidth of demodulated output signal

5

7

−

MHz

G

17

differential gain

note 8

−

4

8

%

ϕ

differential phase

note 8

−

2

5

deg.

NL

video non linearity

note 9

−

2

5

%

intermodulation

note 10

1.1 MHz; blue

50

60

−

dB

1.1 MHz; yellow

50

60

−

dB

3.3 MHz; blue

55

65

−

dB

3.3 MHz; yellow

55

65

−

dB