參數(shù)資料
型號: TDA8840
廠商: NXP Semiconductors N.V.
英文描述: I2C-bus controlled PAL/NTSC/SECAM TV processors
中文描述: I2C總線控制的PAL / NTSC制式/ SECAM電視處理器
文件頁數(shù): 36/68頁
文件大?。?/td> 316K
代理商: TDA8840
December 16, 1997
36
Philips Semiconductors
Tentative Device Specification
I
2
C-bus controlled PAL/NTSC/SECAM TV
processors
TDA884X/5X-N2 series
HORIZONTAL OUTPUT
(
CONTINUED
)
H.5.7
H.5.8
switch-on time
switch-off time with RGB drive
maximum
switch-off time with RGB drive
minimum
100
100/80
ms
ms
note 37
H.5.9
note 37
60
ms
F
LYBACK PULSE INPUT AND SANDCASTLE OUTPUT
(
PIN
41)
H.6.1
required input current during
flyback pulse
output voltage
note 2
100
300
μ
A
H.6.2
during burst key
during blanking
4.8
1.9
2.6
5.3
2.1
3.0
5.8
2.3
3.4
V
V
V
H.6.3
clamped input voltage during
flyback
pulse width
H.6.4
H.6.5
H.6.6
burst key pulse
vertical blanking, note 34
3.3
5.2
3.5
14
5.4
3.7
5.6
μ
s
lines
μ
s
delay of start of burst key to
start of sync
V
ERTICAL OSCILLATOR
;
NOTE
35
H.7.1
H.7.2
H.7.3
H.7.4
free running frequency
locking range
divider value not locked
locking range
45
434/488
50/60
625/525
64.5/72
722
Hz
Hz
lines
lines/
frame
V
ERTICAL RAMP GENERATOR
(
PIN
51
AND
52)
H.8.1
sawtooth amplitude
(peak-to-peak value)
discharge current
charge current set by external
resistor
vertical slope
charge current increase
LOW level of ramp
VS = 1FH;
C = 100 nF; R = 39 k
3.0
V
H.8.2
H.8.3
0.9
16
mA
μ
A
note 36
H.8.4
H.8.5
H.8.6
control range (63 steps)
f = 60 Hz
20
19
2.3
+20
%
%
V
V
ERTICAL DRIVE OUTPUTS
(
PINS
46
AND
47)
H.9.1
differential output current
(peak-to-peak value)
common mode current
output voltage range
VA = 1FH
0.95
mA
H.9.2
H.9.3
0
400
4.0
μ
A
V
EHT
TRACKING
/
OVERVOLTAGE PROTECTION
(
PIN
50)
H.10.1
H.10.2
H.10.3
input voltage
scan modulation range
vertical sensitivity
1.2
5
6.3
2.8
+5
V
%
%/V
NUMBER
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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