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參數(shù)資料
| 型號： | LA7411 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 CHANNEL, VIDEO PREAMPLIFIER, PDIP24 |
| 封裝： | SDIP-24 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 76K |
| 代理商： | LA7411 |
Electrical Characteristics at Ta=25 °C
Parameter
Symbol
Input
Output
Conditions
T10
T2
min
typ
max
Unit
Envelope wave detection voltage
EP2
VENVEP2
T17A
T5
f = 4 MHz,
T7A: Adjusted to
350 mVp-p
5.0
0
4.5
4.8
5.0
V
ON resistance of SW-Tr which is
turned ON in PB mode
RPON14
P-14
DC difference
measured for 1
mA,2mA
current inflow
4.0
6.0
Threshold level EP/SP
EPS-1
T1
SP
→ EP
*
1.7
5.0
V
EPS-2
T1
EP
→ SP
*
0.0
1.3
V
Threshold level SW30
SW30-1
T2
Lch
→ Hch
*
1.2
5.0
V
SW30-2
T2
Hch
→ Lch
*
0.0
0.8
V
[REC Mode]
T12: 5.0 V
T3: 5.0 V
T4: 5.0 V(REC)
REC
Adj2
SW30
MUTE
Current consumption
ICCP
Pin 12
input c urrent
Open
0
38
46
54
mA
REC AGC
Amp output level
VR
T8A
T18A
f=4MHz
VI = 200 mVp-p
Open
0
116
123
130
mVp-p
AGC Amp
control characteristics 1
VAGC1
T8A
T18A
f = 4 MHz,
VI = 400 mVp-p
Output level/
VRSP, EP ratio
Open
0
0.5
1.0
dB
AGC Amp
control characteristics 2
VAGC2
T8A
T18A
f = 4 MHz,
VI = 100 mVp-p
Output level/
VRSP, EP ratio
Open
0
–1.0
–0.5
dB
AGC Amp
frequency characteristics (Note 2)
VFR
T8A
T18A
f=1M,7MHz
VI = 200 mVp-p
7 MHz/1 MHz,
output ratio
Open
0
–4.0
–3.0
–2.0
dB
AGC Amp
secondary harmonic level
VHDR
T8A
T18A
f = 4 MHz,
VI = 200 mVp-p
8 M component
4 M component
output ratio
Open
0
–45
–40
dB
AGC Amp
maximum output level (Note 3)
VOMR
T8A
T18A
f = 4 MHz,
output level when
secondary
distortion of the
output is –35 dB
Adj.
0
20
22
mAp-p
AGC Amp
mute attenuation
VMR
T8A
T18A
f = 4 MHz,
VI = 200 mVp-p
Output level/
VRSP, EP ratio
Open
5.0
–45
–40
dB
REC
AGC Amp
mixed modulation relative level
VCY
T7A
T18A
T6A: f = 629 kHz,
VI = 360 mVp-p
T7A: f = 4 MHz,
VI = 200 mVp-p
(4 M±629 k)/4 M
output ratio
Open
0
–45
–40
dB
T8A
T18A
Open
0
–45
–40
dB
ON resistance of SW-Tr which is
turned ON in REC mode
RRON17
P-17
DC difference
measured for
1mA,2mA
current inflow
4.0
6.0
RRON20
P-20
4.0
6.0
REC MUTE threshold level
MUTE-1
T2
MUTE OFF
→
ON
*
3.4
5.0
V
MUTE-2
T2
MUTE ON
→
OFF
*
0.0
3.0
V
REC/PB threshold level
SW
REC/PB
T4: Control
voltage
2.2
5.0
V
Note 2: Apply approximately 1.8 V DC to the AGC wave detection filter pin (pin 9) and fix the amplifier gain for measurement.
Note : Use a resistor with a tolerance of ± 1.0% between pins 11 and 12.
‘‘*’’ represents output pins.
LA7411,7411M
No.5108-3/5
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