TDA8340 datasheet(7/14 Pages) PHILIPS

Part #	TDA8340

Description	Television IF amplifier and demodulator

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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7 / 14 page

November 1987

7

Philips Semiconductors

Product speciﬁcation

Television IF ampliﬁer and demodulator

TDA8340

TDA8341

Residual 2nd harmonic

of carrier signal

(r.m.s. value)

note 8

V12-13(rms)

−

210

mV

Variation of video voltage for

∆V

CC =1 V

0,1

0,2

0,3

Intermodulation

notes 8 and 9;

1,1 MHz, blue

α−

−65

−60

dB

1,1 MHz, yellow

α−

−60

−56

dB

3,3 MHz

α−

−

−68

dB

Signal-to-noise ratio

note 10;

Vi = 10 mV

S/(S

+N)

50

58

−

dB

max. gain

S/(S

+N)

54

61

−

dB

Spot inverter (note 11)

Threshold level

V12-13

6,3

6,8

7,3

V

Insertion level

V12-13

4,2

4,5

4,8

V

Noise inverter (note 11)

Threshold level

V12-13

1,6

1,8

2,0

V

Insertion level

V12-13

3,5

3,8

4,1

V

VCR switch

Level below which video

output switches off

V14-13

1,8

2,2

2,6

V

Switch current

V12−13 = 0,7 V

−I14

40

60

100

µA

AFC circuit (note 12)

Output voltage swing

(peak-to-peak value)

V5-13(p-p)

−

10

−

V

Change of frequency for

an AFC output voltage

swing of 10 V

∆f

−

60

120

kHz

AFC output voltage

at f = 38,9 MHz

V5-13

−

6

−

V

no input signal

V5-13

2

6

10

V

during AFC off

V5-13

567V

AFC output resistance

R5-13

−

500

−Ω

AFC switch:

level below which AFC

output switches off

V6-13

1,4

2,0

2,8

V

AFC switch current

during AFC on

I6

−

200

500

µA

Max. AFC switch current

during AFC off;

V6−13 =0V

I6

−−

5mA

PARAMETER

CONDITIONS

SYMBOL

MIN.

TYP.

MAX.

UNIT

V

12

13 p

p

–

()

–

∆

V11 13

–

∆

-------------------------------------

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