tda9725 NXP Semiconductors, tda9725 Datasheet - Page 13

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

Philips Semiconductors
1996 Oct 14
Burst gate pulse output (or sandcastle output; pin 18); note 5
t
t
V
V
V
t
t
Rotary pulse input (pin 19; open PNP base)
V
V
Loop filter VXO (pin 20; record mode)
V
f
f
Loop filter VCO (pin 21)
V
f
V
V
H
H
VXO input from crystal (pin 24); note 6
V
BGP
BGS
VBL(start)
VBL(stop)
PI(U)
PI(L)
sc
SYMBOL
O(L)
O(M)
O(H)
C2
C1
20
21
23
o(p-p)
24
Y/C automatic adjustment processor
(VHS standard)
VXO
VCO
2
3
output (pin 23)
burst gate pulse duration
start of burst gate beyond
sync start at pin 45
LOW level DC output
voltage
medium level DC output
voltage
HIGH level DC output
voltage
vertical blanking of BGP
start
vertical blanking of BGP
stop
voltage for 90 phase
rotation
voltage for non-rotation
(PAL) or +90 rotation
(NTSC)
DC voltage
VXO sensitivity
upper pull-in frequency
lower pull-in frequency
DC voltage
VCO sensitivity
DC output voltage
output signal voltage
(peak-to-peak value)
second harmonic distortion
third harmonic distortion
DC voltage
PARAMETER
inactive; I
inactive; I
horizontal blanking;
10 k connected to V
BGP; I
BGP; I
referring to first equalisation
pulse in mid of line
referring to rotary transition
referring to last equalisation pulse
in mid of line
channel 2
channel 1
f
f
no load
H
sc
related; record mode
related; playback mode
18
18
= 0.4 mA
= 0 mA
18
18
CONDITIONS
= 1 mA
= 0 mA
13
CC
4.2
3.25
2.2
4.0
4.6
23
1
0
2.75
1
0.6
1.3
1.8
500
2.6
1.6
1.8
34
1.3
MIN.
4.45
3.5
2.6
4.4
0
2.4
1.0
2.1
2.3
600
3.0
1.2
1.0
38
1.5
TYP.
Product specification
2.25
4.7
3.75
0.7
0.5
3.0
5
3.6
1.8
2.9
2.8
700
3.4
0.8
0.6
42
1.7
25
20
MAX.
TDA9725
V
V
V
V
V
t
t
t
V
V
V
Hz/mV
kHz
kHz
V
kHz/V
MHz/V
V
mV
dB
dB
V
H
H
H
s
s
UNIT