參數(shù)資料
型號: TDA9725
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: Y/C automatic adjustment processor VHS standard
中文描述: SPECIALTY CONSUMER CIRCUIT, PDIP52
封裝: 0.600 INCH, PLASTIC, SOT-247-1, SDIP-52
文件頁數(shù): 13/44頁
文件大?。?/td> 337K
代理商: TDA9725
1996 Oct 14
13
Philips Semiconductors
Product specification
Y/C automatic adjustment processor
(VHS standard)
TDA9725
Burst gate pulse output (or sandcastle output; pin 18);
note 5
t
BGP
t
BGS
burst gate pulse duration
start of burst gate beyond
sync start at pin 45
LOW level DC output
voltage
4.2
3.25
4.45
3.5
4.7
3.75
μ
s
μ
s
V
O(L)
inactive; I
18
= 1 mA
inactive; I
18
= 0 mA
horizontal blanking;
10 k
connected to V
CC
BGP; I
18
=
0.4 mA
BGP; I
18
= 0 mA
referring to first equalisation
pulse in mid of line
referring to rotary transition
referring to last equalisation pulse
in mid of line
2.2
2.6
0.7
0.5
3.0
V
V
V
V
O(M)
medium level DC output
voltage
HIGH level DC output
voltage
V
O(H)
4.0
4.6
4.4
0
V
V
t
H
t
VBL(start)
vertical blanking of BGP
start
vertical blanking of BGP
stop
t
VBL(stop)
23
1
t
H
t
H
Rotary pulse input (pin 19; open PNP base)
voltage for
90
°
phase
rotation
V
C1
voltage for non-rotation
(PAL) or +90
°
rotation
(NTSC)
V
C2
channel 2
0
2.25
V
channel 1
2.75
5
V
Loop filter VXO (pin 20; record mode)
V
20
Φ
VXO
f
PI(U)
f
PI(L)
DC voltage
VXO sensitivity
upper pull-in frequency
lower pull-in frequency
1
1.6
0.6
1.8
2.4
1.2
1.0
1.0
3.6
0.8
1.8
0.6
V
Hz/mV
kHz
kHz
Loop filter VCO (pin 21)
V
21
Φ
VCO
DC voltage
VCO sensitivity
1.3
34
1.3
2.1
38
1.5
2.9
42
1.7
V
kHz/V
MHz/V
f
H
related; record mode
f
sc
related; playback mode
f
sc
output (pin 23)
V
23
V
o(p-p)
DC output voltage
output signal voltage
(peak-to-peak value)
second harmonic distortion
third harmonic distortion
1.8
500
2.3
600
2.8
700
V
mV
no load
H
2
H
3
25
20
dB
dB
VXO input from crystal (pin 24);
note 6
V
24
DC voltage
2.6
3.0
3.4
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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