參數(shù)資料
型號: LTC2263IUJ-12#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: PROPRIETARY METHOD ADC, QCC40
封裝: 6 X 6 MM, LEAD FREE, PLASTIC, QFN-40
文件頁數(shù): 14/34頁
文件大?。?/td> 1231K
代理商: LTC2263IUJ-12#PBF
LTC2265-12/
LTC2264-12/LTC2263-12
21
22654312fb
Amplifier Circuits
Figure7showstheanaloginputbeingdrivenbyahighspeed
differential amplifier. The output of the amplifier is AC-
coupledtotheA/Dsotheamplifier’soutputcommonmode
voltage can be optimally set to minimize distortion.
25
50
0.1F
AIN+
AIN–
4.7pF
0.1F
VCM
ANALOG
INPUT
0.1F
T1
T2
T1: MA/COM MABA-007159-000000
T2: MA/COM MABAES0060
RESISTORS, CAPACITORS ARE 0402 PACKAGE SIZE
226512 F04
LTC2265-12
25
50
0.1F
AIN+
AIN–
1.8pF
0.1F
VCM
ANALOG
INPUT
0.1F
T1
T2
T1: MA/COM MABA-007159-000000
T2: COILCRAFT WBC1-1LB
RESISTORS, CAPACITORS ARE 0402 PACKAGE SIZE
226512 F05
LTC2265-12
25
50
0.1F
2.7nH
AIN+
AIN–
0.1F
VCM
ANALOG
INPUT
0.1F
T1
T1: MA/COM ETC1-1-13
RESISTORS, CAPACITORS
ARE 0402 PACKAGE SIZE
226512 F06
LTC2265-12
25
200
0.1F
AIN+
AIN–
12pF
0.1F
VCM
LTC2265-12
226512 F07
+
ANALOG
INPUT
HIGH SPEED
DIFFERENTIAL
AMPLIFIER
0.1F
Figure 5. Recommended Front-End Circuit for Input
Frequencies from 170MHz to 300MHz
Figure 6. Recommended Front-End Circuit for Input
Frequencies Above 300MHz
Figure 4. Recommended Front-End Circuit for Input
Frequencies from 70MHz to 170MHz
Figure 7. Front-End Circuit Using a High Speed
Differential Amplifier
APPLICATIONS INFORMATION
At very high frequencies an RF gain block will often have
lower distortion than a differential amplifier. If the gain
block is single-ended, then a transformer circuit (Figures
4 to 6) should convert the signal to differential before
driving the A/D.
相關PDF資料
PDF描述
LTC2264IUJ-12#TRPBF PROPRIETARY METHOD ADC, QCC40
LTC2272CUJ#TR 1-CH 16-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PQCC40
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