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參數(shù)資料
| 型號： | LA7425 |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP36 |
| 封裝： | SDIP-36 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大小： | 153K |
| 代理商： | LA7425 |
Continued from preceding page.
No. 5110-4/7
LA7425
Parameter
Symbol
Conditions
min
typ
max
Unit
Picture control hard response
GPH1
Input: –10 dB, 1 MHz
1.0
1.5
2.0
dB
characteristics 1
Picture control hard response
GPH2
Input: –10 dB, 2 MHz
3.2
4.2
5.2
dB
characteristics 2
Picture control soft response
GPS1
Input: –10 dB, 1 MHz
–6.0
–5.0
–4.0
dB
characteristics 1
Picture control soft response
GPS2
Input: –10 dB, 2 MHz
–12.0
–10.0
–8.0
dB
characteristics 2
Quasi-V insertion level (playback)
VD
P
V29 = 5 V
–80
0
+80
mV
Quasi-H insertion level (playback)
HD
P
V29 = 2.5 V
–200
–100
0
mV
Sync separator output level
VSYP
Pin 26 output pulse peak value
4.0
4.4
4.6
Vp-p
Sync separator output pulse width
PWSYP
Pin 26 output pulse width
4.3
4.6
4.9
s
Sync separator output leading
T
SYP
1.25
1.45
1.65
s
edge delay time
Built-in regulator voltage
VREG
3.9
4.1
4.3
V
S-VHS discriminator output level
VSVHSP
2.7
3.0
3.3
V
[Record Mode Chroma System]
Y/C separator output burst level
VOR-21
Pin 21 burst level
120
150
180
mVp-p
Chroma low frequency
VOR-14
Input: standard color bar signal 1 Vp-p
322
380
438
mVp-p
conversion burst level
Burst emphasis
GBE
5.5
6.0
6.5
dB
VXO oscillator level
VVXO-R
Input: standard color bar signal 1 V p-p
400
500
600
dB
ACC characteristics 1
ACCR1
With only the color signal level increased 6 dB
+0.2
+0.5
dB
ACC characteristics 2
ACCR2
With only the color signal level decreased 6 dB
–0.5
–0.1
dB
ACC killer on input level
VIN-ACCK-ON
–29
–26
–23
dB
ACC killer on output level
VO-ACCK
–60
–50
dB
ACC killer recovery input level
VIN-ACCK-OFF
–23
–20
–17
dB
APC pull-in range 1
f
APC1
+350
+480
Hz
APC pull-in range 2
f
APC2
–770
–350
Hz
AFC pull-in range 1
f
AFC1
+1.0
+3.0
kHz
AFC pull-in range 2
f
AFC2
–2.5
–1.0
kHz
Record Y/C level ratio
C/FM
–9.9
–9.1
–8.3
dB
[Playback Mode Chroma System]
Video output burst level
VOP-28
SP mode, input burst 160 mVp-p
235
277
319
mVp-p
Pin 21 output burst level
VOP-21
SP mode, input burst 160 mVp-p
149
175
201
mVp-p
ACC characteristics 1
ACCP1
With the input chroma level increased 6 dB
0.5
0.8
dB
ACC characteristics 2
ACCP2
With the input chroma level decreased 6 dB
–0.5
–0.2
dB
Killer on input level
VACK-P
–55
–40
dB
Killer on chroma output level
VOACKP
–44
–40
dB
Main converter carrier leakage
CLP
The 4.21 MHz carrier leakage component
–40
–33
dB
4.84 MHz spurious signal level
SPR484
–35
dB
Burst de-emphasis
GBD
–5.35
–5.10
–4.85
dB
XO output level
VXO-P
370
470
570
mVp-p
XO oscillator frequency deviation
f
XO
f
XO = f – 3579545 (Hz)
–7
0
+7
Hz
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