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參數資料
| 型號： | LA7415 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 4 CHANNEL, VIDEO AMPLIFIER, PDIP30 |
| 封裝： | SDIP-30 |
| 文件頁數： | 7/12頁 |
| 文件大小： | 199K |
| 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,
REC
HA
SW30
T6: 5.0 V, T7: 5.0 V
Adj2
MUTE
AGC amplifier
T10A: f = 629 kHz, VIN = 360 mVp-p
relative cross
VCYS
T10A T21A
T11A: f = 4 MHz, VIN = 200 mVp-p
OPEN
0
–
–45
–40
dB
modulation level
VCYE
T11A T26A
(4 MHz ±629 kHz)/(4 MHz)
OPEN
5.0
0
–
–45
–40
dB
output ratio
RRON17
P-17
OPEN
5.0
–
4.0
6.0
Record mode
RRON18
P-18
The difference in the DC
OPEN
0
–
4.0
6.0
mode switching
RRON21
P-21
measurement for 1-mA
OPEN
5.0
–
4.0
6.0
transistor on
RRON24
P-24
and 2-mA influx currents
OPEN
5.0
–
4.0
6.0
resistance
RRON26
P-26
OPEN
0
–
4.0
6.0
RRON29
P-29
OPEN
0
–
4.0
6.0
HA record
HAR-1
T4
SP
→ EP
–
*–
1.8
–
5.0
V
threshold level
HAR-2
T4
EP
→ SP
–
*–
0.0
–
1.4
V
Record MUTE
MUTE-1
T5
MUTE OFF
→ ON
–
*
3.4
–
5.0
V
threshold level
MUTE-2
T5
MUTE ON
→ OFF
–
*
0.0
–
3.0
V
Record/playback
SW REC/PB
T7: control voltage
–
2.2
–
5.0
V
threshold level
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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