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TDA8340 Datasheet, PDF (7/14 Pages) NXP Semiconductors – Television IF amplifier and demodulator | |||
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Philips Semiconductors
Television IF ampliï¬er and demodulator
Product speciï¬cation
TDA8340
TDA8341
PARAMETER
Residual 2nd harmonic
of carrier signal
(r.m.s. value)
Variation of video voltage for
âVCC = 1 V
CONDITIONS
note 8
SYMBOL
V12-13(rms)
-â---V----1-â--2-V---â-1--11--3-â--1-(-3-p----â---p---)
Intermodulation
Signal-to-noise ratio
Spot inverter (note 11)
Threshold level
Insertion level
Noise inverter (note 11)
Threshold level
Insertion level
VCR switch
Level below which video
output switches off
Switch current
AFC circuit (note 12)
Output voltage swing
(peak-to-peak value)
Change of frequency for
an AFC output voltage
swing of 10 V
AFC output voltage
AFC output resistance
AFC switch:
level below which AFC
output switches off
AFC switch current
Max. AFC switch current
notes 8 and 9;
1,1 MHz, blue
1,1 MHz, yellow
3,3 MHz
note 10;
Vi = 10 mV
max. gain
α
α
α
S/(S+N)
S/(S+N)
V12-13
V12-13
V12-13
V12-13
V12â13 = 0,7 V
V14-13
âI14
V5-13(p-p)
at f = 38,9 MHz
no input signal
during AFC off
âf
V5-13
V5-13
V5-13
R5-13
during AFC on
during AFC off;
V6â13 = 0 V
V6-13
I6
I6
MIN.
TYP.
MAX.
UNIT
â
2
10
mV
0,1
0,2
0,3
â
â65
â60
dB
â
â60
â56
dB
â
â
â68
dB
50
58
â
dB
54
61
â
dB
6,3
6,8
7,3
V
4,2
4,5
4,8
V
1,6
1,8
2,0
V
3,5
3,8
4,1
V
1,8
2,2
2,6
V
40
60
100
µA
â
10
â
V
â
60
120
kHz
â
6
â
V
2
6
10
V
5
6
7
V
â
500
â
â¦
1,4
2,0
2,8
V
â
200
500
µA
â
â
5
mA
November 1987
7
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