TDA9141 View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
TDA9141 Datasheet PDF : 25 Pages
| |||
Philips Semiconductors
PAL/NTSC/SECAM decoder/sync processor
Product specification
TDA9141
SYMBOL
PARAMETER
CONDITIONS
Isink
RGND
minimum sink current to force output
to comb disable level
value of grounded resistor to force output
to comb disable level
ACC
ACC control range
change of −(R−Y) and −(B−Y) signals over
ACC range
colour killer threshold
PAL/NTSC
SECAM
kill - unkill hysteresis
Demodulators −(R−Y) and −(B−Y) outputs (pins 1 and 2)
ratio of −(R−Y) and −(B−Y) signals
TC
temperature coefficient of −(R−Y) and
−(B−Y) amplitude
spread of −(R−Y) and −(B−Y) ratio between
standards
V1
output level of −(R−Y) during blanking
V2
output level of −(B−Y) during blanking
B
−3 dB bandwidth
ZO
output impedance
Vdep
supply voltage dependency
PAL/NTSC DEMODULATOR
standard colour bar
V1(p-p)
V2(p-p)
α
−(R−Y) output voltage (peak-to-peak value)
−(B−Y) output voltage (peak-to-peak value)
crosstalk between −(R−Y) and −(B−Y)
V1,2(p-p)
8.8 MHz residue (peak-to-peak value)
V1,2(p-p)
7.2 MHz residue (peak-to-peak value)
PAL DEMODULATOR
standard colour bar
standard colour bar
both outputs
both outputs
VR(p-p)
S/N
H/2 ripple (peak-to-peak value)
signal-to-noise ratio
NTSC DEMODULATOR
ϕ
hue phase shift
SECAM DEMODULATOR
V1(p-p)
V2(p-p)
fos
S/N
−(R−Y) output voltage (peak-to-peak value)
−(B−Y) output voltage (peak-to-peak value)
black level offset
signal-to-noise ratio
standard colour bar
standard colour bar
MIN. TYP. MAX. UNIT
0.4 −
2.0 mA
0.4 −
2.0 kΩ
−20 −
−
−
+5 dB
1
dB
−
−25 −
dB
−
−23 −
dB
−
3
−
dB
1.20 1.27 1.34
−
tbf −
Hz/K
−1 −
+1 dB
−
2.0 −
V
−
2.0 −
V
−
1
−
MHz
−
−
500 Ω
−
tbf −
V
470 525 585 mV
595 665 740 mV
−
tbf −
dB
−
−
15 mV
−
−
20 mV
−
−
46 −
50 mV
−
dB
−
±45 −
deg
0.94 1.05 1.17 V
1.19 1.33 1.48 V
−
−
7
kHz
−
43 −
dB
December 1992
17
Share Link: 