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參數資料
| 型號： | LA7642N |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP16 |
| 封裝： | 0.300 INCH, DIP-16 |
| 文件頁數： | 5/6頁 |
| 文件大小： | 63K |
| 代理商： | LA7642N |
No. 5693-5/6
LA7642N
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Measure the variation in the pin 5 DC voltage
4.00-MHz input level variations 2
V5DB4
when the 4.00-MHz input level is changed
–50
0
+50
mV
from 200 mV p-p to 300 mV p-p.
Measure the variation in the pin 3 DC voltage
4.43-MHz input level variations 1
V3DS44
when the 4.43-MHz input level is changed
–50
0
+50
mV
from 200 mV p-p to 100 mV p-p.
Measure the variation in the pin 3 DC voltage
4.43-MHz input level variations 2
V3DB44
when the 4.43-MHz input level is changed
–50
0
+50
mV
from 200 mV p-p to 300 mV p-p.
4.00-MHz input impedance
Z9
The pin 9 input impedance. For reference
15
k
only (design value)
4.43-MHz input impedance
Z11
The pin 11 input impedance. For reference
15
k
only (design value)
[VCC Dependency]
The percentage change in the ALC pulse
peak value when VCC changes by 1 V.
ALC pulse wave height
dVALC
Measure the ALC pulse peak value when
10
15
20
%
VCC = 9 V and record this value as VALC9.
Calculate dVALC from the following formula.
(VALC9 – VALC)/1.2/VALC
× 100 (%)
Continued from preceding page.
Notes: EQU = off: Pull pin 16 to ground through a 4.7-k
resistor.
EQU = on: Leave pin 16 open.
Block Diagram
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