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參數(shù)資料
| 型號(hào)： | TDA4691T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 信號(hào)分離 |
| 英文描述： | Sync Processor with Clock SPC |
| 中文描述： | SYNC SEPARATOR IC, PDSO20 |
| 封裝： | PLASTIC, SOT-163-1, SO-20 |
| 文件頁數(shù)： | 2/26頁 |
| 文件大?。?/td> | 206K |
| 代理商： | TDA4691T |
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September 1993
2
Philips Semiconductors
Preliminary specification
Sync Processor with Clock (SPC)
TDA4691
FEATURES
Sync processor for horizontal (H)
and vertical (V) sync pulses
generated by internal 13.5 MHz
oscillator
Stable ‘On Screen Display (OSD)’,
if no input signal is present with free
running internal oscillator;
automatic turn over to locked
oscillator, if input signal is available
External clock oscillator can be
used
Standard 50/60 Hz signals are
identified automatically
Additional outputs for 13.5 MHz,
composite sync, 50//60 Hz
identification, signal identification
(mute), super-sandcastle 12 V
TTL compatible outputs (H, V,
composite sync and 13.5 MHz)
3 different time constants for the
PHI1 PLL: fast, normal and slow
(T
1
, T
2
and T
3
). Fast and normal
time constant are set independent
from each other
Start of H-pulse definable by
application
Digital interference reduction for H
and V signals
Digital noise detector
Time correction of non-standard
H-pulses and equalizing pulses for
optimum PLL control.
GENERAL DESCRIPTION
The TDA4691 is a bipolar integrated
circuit for sync processing in 50/100
and 60/120 Hz TV sets, preferably in
conjunction with the programmable
deflection controller TDA9150. A line
locked 13.5 MHz clock with several
dividers and logic circuitry is available
generating the horizontal and vertical
sync outputs. The device can be
assembled in a DIL20 or SO20
package.
QUICK REFERENCE DATA
ORDERING INFORMATION
Note
1.
2.
SOT146-1; 1996 December 9.
SOT4163-1; 1996 December 9.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
P2
I
P2
V
P1
I
P1
P
tot
supply voltage
supply current
supply voltage
supply current
total power
dissipation
4.5
7.2
5.0
8.0
260
5.5
30
8.8
30
430
V
mA
V
mA
mW
Inputs
V
20
input voltage
R
G
= 1 k
1
2
V
Outputs
V
4
signal
identification
voltage
no signal;
1 mA
signal
0.3
V
open
collector
open
collector
2.7
V
P1
V
V
7
50/60 Hz
voltage
50 Hz; 1 mA
60 Hz
0.3
V
P1
V
V
V
10
vertical output
voltage
HIGH;
1 to 0 mA
LOW; 2 mA
HIGH;
1 to 0 mA
LOW; 2 mA
HIGH;
1 to 0 mA
LOW; 2 mA
V
P2
V
2.7
0.8
V
P2
V
V
V
11
horizontal
output voltage
2.7
0.8
V
P2
V
V
V
13
clock output
voltage
0.8
V
EXTENDED
TYPE NUMBER
PACKAGE
PINS
PIN
POSITION
MATERIAL
CODE
TDA4691
TDA4691T
20
20
DIL
SO
plastic
plastic
SOT146
(1)
SOT163
(2)
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