Ratings, Characteristics – Philips TDA2549 User Manual

Page 4

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April 1985

4

Philips Semiconductors

Product specification

I.F. amplifier and demodulator for
multistandard TV receivers

TDA2549

RATINGS

Limiting values in accordance with the Absolute Maximum System (IEC 134)

CHARACTERISTICS (measured in fig.5)

V

P

= 12 V; T

amb

= 25

°

C

Supply voltage (pins 13 and 21)

V

P

13,8

V

Storage temperature range

T

stg

25 to

+

125

°

C

Operating ambient temperature range

T

amb

25 to

+

70

°

C

PARAMETER

SYMBOL

MIN.

TYP.

MAX.

UNIT

Supply voltage range

V

P

10,8

12

13,2

V

Supply current (pins 13 and 21)

I

P

82

mA

I.F. input signal for V

o

= 2 V

(between pins 6 and 7)

V

i

= V

6-7

50

150

µ

V

Input impedance (differential)

|Z

6-7

|

2

k

Input capacitance (differential)

C

6-7

2

pF

Zero single output level

positive modulation

V

22-3

1,6

2

2,3

V

negative modulation

V

22-3

3,7

4

4,3

V

Top sync output level

V

22-3

1,7

2

2,3

V

Gain control range

G

v

50

74

dB

Signal-to-noise ratio at V

i

= 10 mV (note 1)

S/N

50

57

dB

Maximum video output amplitude for positive

modulation (peak-to-peak value)

V

22-3(p-p)

4,5

V

Bandwidth of video amplifier (3 dB)

B

5,5

MHz

Differential gain at V

o

= 2V

dG

4

10

%

Differential phase at V

o

= 2 V

d

ϕ

2

10

%

Residual carrier signal (r.m.s. value)

V

24-3(rms)

10

20

mV

Residual second harmonic of carrier signal

(r.m.s. value)

V

24-3(rms)

20

60

mV

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