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參數(shù)資料
| 型號： | RF3322 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 衰減器 |
| 英文描述： | CABLE REVERSE PATH PROGRAMMABLE GAIN AMPLIFIER |
| 中文描述： | 5 MHz - 65 MHz RF/MICROWAVE NARROW BAND LOW POWER AMPLIFIER |
| 封裝： | QSOP-20 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大?。?/td> | 169K |
| 代理商： | RF3322 |
Preliminary
3-31
RF3322
Rev A2 010518
3
L
A
Table 1. Serial Interface Control Word Format
Bit
MSB 7
6
5
4
3
2
1
LSB 0
Serial Bus Timing Diagram
Table 2. Timing Data
Parameter
SCLK Pulsewidth
SCLK Period
Setup Time, SDA versus S CLK
Setup Time, CS versus S CLK
Hold Time, SDA versus S CLK
Hold Time, CS versus S CLK
SCLK Pulsewidth, High
SCLK Pulsewidth, Low
Table 3. Programming State
Mnemonic
D7
D6
D5
D4
D3
D2
D1
D0
Description
Sleep Mode (Software Shutdown)
Test Bit
Gain Control, Bit 5
Gain Control, Bit 4
Gain Control, Bit 3
Gain Control, Bit 2
Gain Control, Bit 1
Gain Control, Bit LSB
Symbol
T
WH
T
C
T
DS
T
ES
T
DH
T
EH
T
DATAH
T
DATAL
Min
50
100
10
10
20
20
50
50
Typ
Max
Units
ns
ns
ns
ns
ns
ns
ns
ns
TX
X
X
X
X
H
L
SHDND
H
H
L
H
X
X
MSB6
L
H*
X
H*
X
X
Enter Sleep Mode
Exit Sleep Mode
Enter Shutdown
Exit Shutdown
TX Enable
TX Disable
H=High Voltage Logic
L=Low Voltage Logic
X=Don’t Care
*Gain Control Data Must be Re-Sent
D0
D1
D2
D3
D4
D5
D6
T
ES
T
DS
T
DH
T
EH
T
WH
T
C
T
DATAH
,T
DATAL
D7
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