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參數(shù)資料
| 型號： | TDA4655T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顏色信號轉(zhuǎn)換 |
| 英文描述： | Generic multi-standard decoder |
| 中文描述： | COLOR SIGNAL DECODER, PDSO24 |
| 封裝： | 7.50 MM, PLASTIC, MS-013AD, SOT-137-1, SOP-24 |
| 文件頁數(shù)： | 9/17頁 |
| 文件大小： | 121K |
| 代理商： | TDA4655T |
June 1993
9
Philips Semiconductors
Preliminary specification
Generic multi-standard decoder
TDA4655
Capacitor for identification
(pins 14 and 15)
V
14,
V
15
DC voltage for an identified signal
DC voltage for an unidentified signal
2.8
1.5
3.2
2.0
3.5
2.3
V
V
PLL oscillator
measured with nominal crystal (pins 16 and 18; see Table 1)
R
16,
R
17
C
16,
C
17
f
L
initial oscillator amplifier input resistance
oscillator amplifier input capacitance
lock-in-range referenced to
4.43361875 MHz
3.579545 MHz
phase difference for
±
400 Hz
respectively 330 Hz deviation of colour
carrier frequency
500
10
pF
note 10
±
400
±
330
±
1300
±
1300
1
Hz
Hz
degree
φ
2
×
f
SC
output
(pin 19; if the output is not used, the pin should be connected to supply)
V
19
R
19
I
19
V
19
DC output level
output resistance
output current
output signal (peak-to-peak value)
I
19
= 0 A
I
19
= 0 A
6.1
6.3
250
6.5
350
1.0
V
mA
mV
Standard setting inputs/outputs
(pins 20 to 23; note 11)
used as output: npn emitter follower output with 0.1 mA source to ground
V
O
on-state, during scanning, colour OFF
on-state, colour ON
R
O
output resistance
I
O
output current
used as input: forced system switching
V
O
threshold for system ON
I
O
input current
2.4
5.8
2.5
6.0
2.7
6.2
300
3
V
V
mA
I
O
= 0
6.8
100
7.0
150
7.2
180
V
μ
A
Sandcastle pulse detector
(pin 24; note 12)
C
24
V
24
input capacitance
thresholds for field and line pulse
separation
1.3
1.1
3.3
3.1
5.3
5.1
1.6
1.4
3.6
3.4
5.6
5.4
10
1.9
1.7
3.9
3.7
5.9
5.7
pF
V
V
V
V
V
V
pulse ON
pulse OFF
pulse ON
pulse OFF
pulse ON
pulse OFF
line pulse separation
burst pulse separation
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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