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參數(shù)資料
| 型號(hào)： | LA7415 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | VHS VCR Playback Head and Record Amplifiers |
| 中文描述： | 錄影機(jī)播放頭和記錄放大器 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 200K |
| 代理商： | LA7415 |
No. 5647-4/12
LA7415
Continued from the preceding page.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Input Output
T2
T4
T5
[Record Mode]
T15: 5.0 V, T2: OPEN,
T6: 5.0 V, T7: 5.0 V
REC
Adj2
HA
SW30
MUTE
AGC amplifier
relative cross
modulation level
T10A: f = 629 kHz, V
IN
= 360 mVp-p
T11A: f = 4 MHz, V
= 200 mVp-p
(4 MHz ±629 kHz)/(4 MHz)
output ratio
V
CYS
T10A T21A
OPEN
0
0
–
–45
–40
dB
V
CYE
T11A T26A
OPEN
5.0
0
–
–45
–40
dB
R
RON
17
R
RON
18
R
RON
21
R
RON
24
R
RON
26
R
RON
29
HAR-1
P-17
OPEN
5.0
–
–
4.0
6.0
‰
Record mode
mode switching
transistor on
resistance
P-18
The difference in the DC
measurement for 1-mA
and 2-mA influx currents
OPEN
0
–
–
4.0
6.0
‰
P-21
OPEN
5.0
–
–
4.0
6.0
‰
P-24
OPEN
5.0
–
–
4.0
6.0
‰
P-26
OPEN
0
–
–
4.0
6.0
‰
P-29
OPEN
0
–
–
4.0
6.0
‰
HA record
threshold level
T4
SP
→
EP
EP
→
SP
MUTE OFF
→
ON
MUTE ON
→
OFF
–
*
–
1.8
–
5.0
V
HAR-2
T4
–
*
–
0.0
–
1.4
V
Record MUTE
threshold level
MUTE-1
T5
–
–
*
3.4
–
5.0
V
MUTE-2
T5
–
–
*
0.0
–
3.0
V
Record/playback
threshold level
SW REC/PB
T7: control voltage
–
–
–
2.2
–
5.0
V
Notes 3. Measure with a DC voltage of about 1.8 V applied to the AGC detector filter pin (pin 12) and with the AGC amplifier gain fixed.
4. Adjust the output level by applying a DC voltage to T13 (REC CUR.Adj2)
5. Use a resistor with a ±1.0% tolerance between pins 14 and 15.
Usage Notes
1. Control Pin Logic
RF SW, REC MUTE: pin 5
Playback mode
If the pin 5 DC voltage is < 1.0 V: Lch
If the pin 5 DC voltage is > 1.0 V: Hch
Record mode
If the pin 5 DC voltage is < 3.2 V: Muting will be off
If the pin 5 DC voltage is > 3.2 V: Muting will be on
Record/playback mode switching: pin 7
If the pin 7 DC voltage is < 2.0 V: Playback mode
If the pin 7 DC voltage is > 2.0 V: Record mode
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| LA7425 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:NTSC Format Single-Chip Processing IC for VHS VCR Products |
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