tda9725 NXP Semiconductors, tda9725 Datasheet - Page 19

• Manufacturer Part Number: tda9725
• Description: Y/c Automatic Adjustment Processor Vhs Standard
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1996 Oct 14
Sync separator push-pull output (pin 45)
V
V
t
t
Sync separator detector (pin 46)
V
YNR switch (pin 47); see Table 11
R
V
Video input from 1HDL CCD (pin 48)
V
V
Video output to 1HDL CCD (pin 49)
V
V
Storage capacitor for CCD level AGC (pin 50)
V
G
Low-pass filter input for noise canceller (pin 52)
V
dFE
dBE
SYMBOL
O(H)
O(L)
46
47
48
i(p-p)
oST
o(p-p)
50
52
Y/C automatic adjustment processor
(VHS standard)
sync
I
CCD
HIGH level output voltage
LOW level output voltage
front edge delay time
back edge delay time
input sensitivity
(slicing level for sync)
detector voltage
internal resistance to
ground
input voltage
DC voltage
input voltage for constant
output signal at pin 49
(peak-to-peak value)
sync tip output voltage
output voltage
(peak-to-peak value)
DC voltage
CCD gain control range
DC voltage
PARAMETER
R
R
referenced to sync start pin 48;
note 11
referenced to sync end pin 48;
note 11
sync-to-black = 100%
YNR off mode
YNR1 mode
YNR2 mode
CCD with 3 dB (record mode)
L
L
= 2 k to ground
= 10 k to V
CONDITIONS
19
CC
4.5
600
100
26
2.3
40
3.5
1.75
0
1.5
178
0.9
380
1.4
0
1.0
MIN.
750
350
33
50
1.9
283
1.4
420
2.1
3
1.2
TYP.
Product specification
0.3
900
600
40
3.3
60
5.0
3.0
1.25
2.3
449
1.9
460
2.8
6
1.4
MAX.
TDA9725
V
V
ns
ns
%
V
k
V
V
V
V
mV
V
mV
V
dB
V
UNIT