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參數(shù)資料
| 型號： | LA8638NV |
| 元件分類： | 模擬運(yùn)算功能 |
| 英文描述： | COMPANDER, PDSO30 |
| 封裝： | SSOP-30 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大小： | 107K |
| 代理商： | LA8638NV |
No. 6627-10/16
LA8638NV
Continued from preceding page.
Pin Number
Pin Name
Pin Voltage
Equivalent Circuit
Description
12
BTL-GND
Ground for BTL amplifier
11
BTL-IN
VCC/2
BTL amplifier input
13
BTL-OUT1
VCC/2
BTL amplifier reversed output
14
BTL-OUT2
VCC/2
BTL amplifier non-reversed output
13
11
14
VREF
VCC
+
–
+
–
A13530
20k
20k
15
VCC
Power supply pin
16
FSK-OUT
Indeterminate
(when there is
no signal)
Comparator output (open collector output)
A13531
IN
FROM 6PIN
16
–
+
VREF2
17
SUB-CNT1
VCC
Internal operating mode control pins. All four
pins have identical structures.
18
SUB-CNT2
VCC
20
TX-MUTE
VCC
22
TX-LVL-CNT
VCC
VCC
A13532
100k
100k
70k
15k
17 20
18 22
19
BTL-CNT
VCC + 0.65
—————
2
BTL amplifier operation control pins
19
VCC
A13533
100k
100k
BTL AMP
21
TX-DATA-IN
VCC /1.6
Transmitter data input
21
A13534
VREF3
LPF
40k
+
–
IDC
50k
23
TX-OUT
VCC /1.6
Transmitter output
23
A13535
VREF3
20k
+
–
LPF
30k
24
FREQ-ADJ
0.01 V
Pin for setting cutoff frequency of splatter
filter
24
A13536
BIAS CIRCUIT
LPF
Continued on next page.
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