TDA8846 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
TDA8846 Datasheet PDF : 68 Pages
| |||
Philips Semiconductors
I2C-bus controlled PAL/NTSC/SECAM TV
processors
Tentative Device Specification
TDA884X/5X-N2 series
NUMBER
PARAMETER
CONDITIONS
MIN.
VIDEO AMPLIFIER OUTPUT (PIN 6); NOTE 6
M.3.1
zero signal output level
negative modulation; note 7 −
M.3.2
positive modulation; note 7 −
M.3.3
top sync level
negative modulation
1.8
M.3.4
white level
positive modulation
−
M.3.5
difference in amplitude between
−
negative and positive
modulation
M.3.6
video output impedance
−
M.3.7
internal bias current of NPN
1.0
emitter follower output transistor
M.3.8
maximum source current
−
M.3.9
bandwidth of demodulated
at −3 dB
6
output signal
M.3.10
differential gain
note 8
−
M.3.11
differential phase
notes 8 and 5
−
M.3.12
video non-linearity
note 9
−
M.3.13
white spot clamp level
−
M.3.14
noise inverter clamping level note 10
−
M.3.15
noise inverter insertion level
note 10
−
(identical to black level)
intermodulation
notes 5 and 11
M.3.16
M.3.17
M.3.18
M.3.19
blue
yellow
signal-to-noise ratio
Vo = 0.92 or 1.1 MHz
60
Vo = 2.66 or 3.3 MHz
60
Vo = 0.92 or 1.1 MHz
56
Vo = 2.66 or 3.3 MHz
60
notes 5 and 12
M.3.20
weighted
56
M.3.21
unweighted
49
M.3.22
residual carrier signal
note 5
−
M.3.23
residual 2nd harmonic of carrier note 5
−
signal
IF AND TUNER AGC; NOTE 13
Timing of IF-AGC with a 2.2 µF capacitor (pin 53)
M.4.1
modulated video interference
30% AM for 1 mV to 100 mV; −
0 to 200 Hz (system B/G)
M.4.2
response time to IF input signal positive and negative
−
amplitude increase of 52 dB
modulation
M.4.3
response to an IF input signal negative modulation
−
M.4.4
amplitude decrease of 52 dB positive modulation
−
M.4.5
allowed leakage current of the negative modulation
−
M.4.6
AGC capacitor
positive modulation
−
TYP.
4.2
2.2
1.9
4.4
0
50
−
−
9
2
−
−
6.0
1.5
2.7
66
66
62
66
60
53
5.5
2.5
−
2
50
100
−
−
MAX. UNIT
−
V
−
V
2.0
V
−
V
15
%
−
Ω
−
mA
5
mA
−
MHz
5
%
5
deg
5
%
−
V
−
V
−
V
−
dB
−
dB
−
dB
−
dB
−
dB
−
dB
−
mV
−
mV
10
%
−
ms
−
ms
−
ms
10
µA
200
nA
December 16, 1997
29
Share Link: 