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參數資料
| 型號： | LA8522M |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO24 |
| 封裝： | MFP-24 |
| 文件頁數： | 2/17頁 |
| 文件大小： | 334K |
| 代理商： | LA8522M |
Serial Data Timing
fmax (Maximum clock frequency)
500 kHz
tWL (Low-level clock pulse width) At least 1 μs
tWH (High-level clock pulse width) At least 1 μs
tCS (Chip enable setup time)
At least 1 μs
tCH (Chip enable hold time)
At least 1 μs
tDS (Data setup time)
At least 1 μs
tDH (Data hold time)
At least 1 μs
tWC (Chip enable pulse time)
At least 1 μs
Usage Notes
Attenuator 1
Normally, attenuator 1 is set to 0 dB. It can be set to attenuate by -4, -8, or -12 dB by issuing serial data with a value of
010101, 011001, or 011101, respectively.
No. 6951-10/17
LA8522M
A4
DATA
A13755
CLOCK
CE
A3
A2
A1
A0
D
tCS
tCH tWC
tWH tWH
tDS tDH
fmax
A13756
23
ATT1
Crosspoint switch
ATT1-OUT
Attenuator 2
Normally, attenuator 2 is set to 0 dB. It can be set to attenuate by -6 dB by issuing serial data with a value of 000101.
A13757
Crosspoint switch
22
ATT2
ATT2-OUT
Power amplifier phase compensation capacitors (Values shown are examples for reference purposes.)
19
PWR-VREF
PWR-IN
PWR-GND
PWR-OUT1
PWR-OUT2
PWR-VCC
C1
C2
C3
C7
C4
C5
SP
A13758
C6
10kΩ
100k
Ω
0.33
18
+
14
+
17
16
15
C1: 100 μF
C2: 0.1 μF
C3: 0.1 μF
C4: 0.1 μF
C5: 0.1 μF
C6: 100 μF
C7: 100 pF (The time constant will be under 10 μs.)
SP8: 8 to 32 Ω
Voltage gain: 20 to 30 dB
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