TDA4821P Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
TDA4821P Datasheet PDF : 20 Pages
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Philips Semiconductors
Autosize IC for colour monitors
APPLICATION INFORMATION
Product specification
TDA4821P
handbook, full pagewidth 27 Ω
50 Ω
10 nF
R, G, B
video
inputs
27 Ω
VIN1 1
50 Ω
10 nF
27 Ω
VIN2 2
50 Ω
10 nF
+3.3 V
external
clock
input
optional if
5 V supply is
available only
+5 V
100 Ω
10 Ω VDD(PLL) 3
47 nF
CLK 4
50 Ω
VSS(I/O) 5
10 µF
VDD(I/O) 6
+3.3 V
+3.3 V
H-sync
200 Ω
HS 7
200 Ω
V-sync
necessary only if
H-sync coincides
with V-sync
VS 8
150
pF
+3.3 V
270 nF
390 kΩ
POR 9
+3.3 V
Ch (1) Rh
horizontal
flyback
pulse
200 Ω HFB 10
1 kΩ
VIDEO COMPARATORS
CLOCK PLL
TDA4821P
DIGITAL CORE
HORIZONTAL
POLARITY
DETECTION
VERTICAL
POLARITY
DETECTION
TEST MODES
HORIZONTAL
MEASUREMENT
VERTICAL
MEASUREMENT
optional for
Vclamp(video) ≠ 400 mV
+3.3 V
20 LEV
19 VIN3
10 nF
18 T1
17 CLP
3.3 kΩ
2.4 kΩ
video
clamping
pulse
16 VSS(core)
15 VDD(core)
47 nF
+3.3 V
14 T2
POWER - ON
RESET
I2C-BUS REGISTERS
I2C-BUS
INTERFACE
13 SDA 100 Ω
12 SCL 100 Ω
I2C-bus
interface
11 TC
MHB655
(1) Ch and Rh are application dependent.
2000 Feb 09
Fig.5 Application diagram.
14
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