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參數(shù)資料
| 型號(hào)： | LA70020M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Recording/Playback Amplifier for VHS VCRs |
| 中文描述： | 錄音/放音放大器適合于VHS錄像機(jī) |
| 文件頁(yè)數(shù)： | 2/13頁(yè) |
| 文件大小： | 173K |
| 代理商： | LA70020M |
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No. 5711-2/13
LA70020, 70020M
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Playback Mode
Current drain
I
CCP
G
VP
1
G
VP
2
G
VP
3
G
VP
4
G
VP
1
G
VP
2
G
VP
3
V
NIN1
V
NIN2
V
NIN3
V
NIN4
V
fp
1
V
fp2
V
fp3
V
fp4
V
HDP
1
V
HDP2
V
HDP3
V
HDP4
V
OMP
1
V
OMP2
V
OMP3
V
OMP4
Current flowing into pin 13
44
53
60
mA
SP-L CH1
V
IN
= 38 mVp-p, f = 4 MHz
56
59
62
dB
Voltage gain
SP-H CH2
56
59
62
dB
EP-L CH3
56
59
62
dB
EP-H CH4
56
59
62
dB
Voltage gain difference
G
VP
1 — G
VP
2
G
VP
3 — G
VP
4
G
VP
3 — G
VP
1
Ratio of the output from a 1.1 MHz low pass
filter to the output with no input under the
same conditions as those used for measuring
voltage gain.
–1
0
+1
dB
–1
0
+1
dB
Intermode gain difference
–1
0
+1
dB
CH1
CH2
CH3
CH4
Converted input noise voltage
1.0
1.5
μVrms
CH1
CH2
CH3
CH4
Ratios of the output for V
IN
= 38 mVp-p and
f = 7 MHz to the voltage gains G
VP
1, G
VP
2,
G
VP
3, and G
VP
4.
Frequency characteristic
–2.5
0
dB
CH1
CH2
CH3
CH4
Ratio of the 8 MHz (secondary) component of
the output to its 4 MHz (primary) component
for V
IN
= 38 mVp-p and f = 4 MHz.
Secondary harmonic distortion
–40
–35
dB
CH1
CH2
CH3
CH4
Output level, for f = 1 MHz, at which the ratio
of the 3 MHz (tertiary) component to the
1 MHz (primary) component is -30 dB.
Maximum output level
1.0
1.2
Vp-p
V
CR
1
Ratio of the output for V
IN
= 38 mVp-p and
f = 4 MHz to G
VP
1.
Ratio of the output for V
IN
= 38 mVp-p and
f = 4 MHz to G
VP
2.
Ratio of the output for V
IN
= 38 mVp-p and
f = 4 MHz to G
VP
3.
Ratio of the output for V
IN
= 38 mVp-p and
f = 4 MHz to G
VP
4.
CH1 — CH2
–40
–35
dB
Crosstalk SP
V
CR
2
–40
–35
dB
V
CR
3
–40
–35
dB
Crosstalk EP
V
CR
4
–40
–35
dB
V
ODC
1
V
ODC
2
V
ODC
3
V
ODC
4
V
ODC
5
V
ODC
6
V
ENV
CH3 — CH4
Output DC offset
CH1 — CH3
–100
0
+100
mV
CH2 — CH4
CH1 — CH4
CH2 — CH3
Envelope detector output pin voltage
T12 DC level with no signal input.
0
0.8
1.4
V
V
ENVSP
1
T12 DC level at which T13A output level is
150 mVp-p for f = 4 MHz.
2.0
2.5
3.0
V
Envelope detector output pin voltage SP
V
ENVSP
2
T12 DC level at which T13A output level is
400 mVp-p for f = 4 MHz.
4.0
4.5
5.0
V
V
ENVEP
1
T12 DC level at which T13A output level is
125 mVp-p for f = 4 MHz.
2.0
2.5
3.0
V
Envelope detector output pin voltage EP
V
ENVEP
2
T6 DC level at which T7A output level is
300 mVp-p for f = 4 MHz.
4.0
4.5
5.0
V
Comparator output voltage
V
COMP
1
V
COMP
2
R
PON
24
R
PON
29
TR1-1
T8 DC level for V
IN
= 38 mVp-p and f = 4 MHz.
T8 DC level for V
IN
= 38 mVp-p and f = 4 MHz.
0.4
0.7
V
4.5
4.8
V
SW-Tr on resistance during playback
DC difference for 1 and 2 mA current inputs.
4
6
Normal
→
Trick1 :
*
1
Trick1
→
Normal
Normal
→
Trick2 :
*
1
Trick2
→
Normal
3.2
5.0
V
Trick threshold level
TR1-2
1.2
2.8
V
TR2-1
0.0
0.8
V
TR2-2
1.2
2.8
V
Electrical Characteristics
at Ta = 25°C (Video Circuits)
Continued on next page.
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