tda9725 NXP Semiconductors, tda9725 Datasheet - Page 14

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

Philips Semiconductors
1996 Oct 14
VXO output to crystal (pin 25)
V
2f
V
V
H
f
V
V
V
Chrominance output to tape (pin 28); see Table 2
V
V
G
H
H
Playback chrominance input from tape (pin 30)
V
V
H/2
SYMBOL
f
CK
25
26
o
O(L)
O(H)
NTSC4.43
28
o(p-p)
30
i(p-p)
Y/C automatic adjustment processor
(VHS standard)
2
2
3
UP
osc
sc
output; coupled to burst sequence (pin 27)
output (pin 26)
DC output voltage
deviation of oscillator
frequency
DC output voltage
output signal voltage
second harmonic distortion
LOW level DC output
voltage
HIGH level DC output
voltage
input level for forced
NTSC 4.43 mode (no NAP)
DC output voltage
chrominance output signal
voltage (N
(peak-to-peak value)
SECAM-f
to PAL burst
second harmonic distortion
third harmonic distortion
colour killer suppression
DC voltage
input signal voltage
(peak-to-peak value)
PARAMETER
OR
burst related
f
H
)
due to internal spread;
playback mode
video signal without burst;
record mode
no video signal; record mode
V
T
playback mode
1.2 k connected to V
emitter follower (EF)
tuned LC circuit to V
tuned LC circuit (Q > 20) and EF
burst phase = +135
burst phase = 135
NTSC; playback mode
colour on
colour killer active
record mode; PAL
SECAM
V
V
V
V
chrominance + FM
chrominance
amb
CC
33
33
33
33
= 0 dB
= +6 dB
= 0 dB
= +6 dB
= 4.75 to 5.25 V;
= 10 to +70 C;
CONDITIONS
14
CC
CC
and EF
and
2.9
4.5
40
400
4.5
2.1
467
0.2
40
1.7
11
50
1.4
100
100
MIN.
3.3
4.9
55
550
2.4
0.1
660
1.0
2.2
110
TYP.
Product specification
3.7
+50
+1.4
+100
+100
70
700
0.5
1.5
2.7
0.3
932
1.8
2.7
310
220
30
40
35
40
35
MAX.
TDA9725
V
Hz
kHz
Hz
Hz
V
mV
mV
dB
V
V
V
V
V
mV
dB
dB
dB
dB
dB
dB
V
mV
mV
UNIT