TDA4556 Ver la hoja de datos (PDF) - Philips Electronics
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TDA4556 Datasheet PDF : 11 Pages
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Philips Semiconductors
Multistandard decoder
Product specification
TDA4557
CHARACTERISTICS
VP = V13-9 = 12 V; Tamb = 25 °C; measured in Fig.1; unless otherwise specified
PARAMETER
SYMBOL MIN.
TYP.
Supply (pin 13)
Supply voltage range
Supply current
Chrominance part
Chrominance input signal (pin 15)
input voltage with 75% colour bar signal
(peak-to-peak value)
input impedance
Chrominance output signal (pin 12)
output voltage
(peak-to-peak value)
output impedance
(npn emitter follower)
DC output voltage
Input for delayed signal (pin 10)
DC input current
input resistance
Demodulator part (PAL/NTSC)
Colour difference output signals
output voltage (proportional to V13-9)
(peak-to-peak value)
− (R-Y) signal (pin 1)
− (B-Y) signal (pin 3)
Ratio of colour difference output signals
(R-Y)/(B-Y)
Residual carrier (subcarrier frequency)
(peak-to-peak value)
Residual carrier (PAL only)
(peak-to-peak value)
H/2 ripple at (R-Y) output (pin 1)
(peak-to-peak value)
without input signal
DC output voltage
npn emitter follower with
internal current source of 0.3 mA
output impedance
VP
10.8
1.2
IP
50
65
V15(p-p)
20
100
Z15-9
7
10
V12(p-p)
1.1
1.6
Z12-9
−
−
V12-9
7.3
8.2
I10
−
−
R10-9
10
−
V1(p-p)
V3(p-p)
V1/3-9
V1,3(p-p)
V1,3(p-p)
V1(p-p)
V1,3-9
Z1,3-9
−
1.05 V ± 2 dB
−
1.33 V ± 2 dB
−
0.79 ± 10%
−
−
−
10
−
−
7.0
7.7
−
−
MAX. UNIT
13.2 V
80
mA
400 mV
−
kΩ
1.75 V
20
Ω
9.0 V
10
µA
−
kΩ
−
V
−
V
−
30
mV
−
mV
10
mV
8.4 V
150 Ω
March 1991
5
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