參數(shù)資料
型號(hào)： LTC2262IUJ-12#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： ADC
英文描述： 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
封裝： 6 X 6 MM, LEAD FREE, PLASTIC, QFN-40
文件頁(yè)數(shù)： 6/28頁(yè)
文件大小： 481K
代理商： LTC2262IUJ-12#PBF
LTC2262-12
14
226212fa
pin, which is nominally VDD/2. For the 2V input range, the
inputs should swing from VCM – 0.5V to VCM + 0.5V. There
should be 180° phase difference between the inputs.
INPUT DRIVE CIRCUITS
Input ltering
If possible, there should be an RC lowpass lter right at
the analog inputs. This lowpass lter isolates the drive
circuitry from the A/D sample-and-hold switching, and
also limits wideband noise from the drive circuitry. Figure 3
shows an example of an input RC lter. The RC component
values should be chosen based on the application’s input
frequency.
25Ω
50Ω
0.1μF
AIN
+
AIN
–
12pF
0.1μF
VCM
LTC2262-12
ANALOG
INPUT
0.1μF
T1
1:1
T1: MA/COM MABAES0060
RESISTORS, CAPACITORS
ARE 0402 PACKAGE SIZE
226212 F03
Figure 3. Analog Input Circuit Using a Transformer.
Recommended for Input Frequencies from 5MHz to 70MHz
APPLICATIONS INFORMATION
Figure 5. Recommended Front-End Circuit for Input
Frequencies from 170MHz to 270MHz
Figure 6. Recommended Front-End Circuit for Input
Frequencies Above 270MHz
Transformer Coupled Circuits
Figure 3 shows the analog input being driven by an RF
transformer with a center-tapped secondary. The center
tap is biased with VCM, setting the A/D input at its optimal
DC level. At higher input frequencies a transmission line
balun transformer (Figures 4 to 6) has better balance,
resulting in lower A/D distortion.
Figure 4. Recommended Front-End Circuit for Input
Frequencies from 70MHz to 170MHz
25Ω
50Ω
0.1μF
AIN
+
AIN
–
1.8pF
0.1μF
VCM
ANALOG
INPUT
0.1μF
T1
T2
T1: MA/COM MABA-007159-000000
T2: COILCRAFT WBC1-1LB
RESISTORS, CAPACITORS ARE 0402 PACKAGE SIZE
226212 F05
LTC2262-12
25Ω
50Ω
0.1μF
AIN
+
AIN
–
4.7pF
0.1μF
VCM
ANALOG
INPUT
0.1μF
T1
T2
T1: MA/COM MABA-007159-000000
T2: MA/COM MABAES0060
RESISTORS, CAPACITORS ARE 0402 PACKAGE SIZE
226212 F04
LTC2262-12
25Ω
50Ω
0.1μF
2.7nH
AIN
+
AIN
–
0.1μF
VCM
ANALOG
INPUT
0.1μF
T1
T1: MA/COM ETC1-1-13
RESISTORS, CAPACITORS
ARE 0402 PACKAGE SIZE
226212 F06
LTC2262-12
相關(guān)PDF資料
PDF描述
LTC2262CUJ-12#TRPBF 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
LTC2262IUJ-12#TRPBF 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
LTC2262CUJ-12#PBF 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
LTC2264CUJ-14#TRPBF PROPRIETARY METHOD ADC, QCC40
LTC2265CUJ-14#PBF PROPRIETARY METHOD ADC, QCC40
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC2262IUJ-14#PBF 制造商:Linear Technology 功能描述:ADC Single Pipelined 150Msps 14-bit Parallel/LVDS 40-Pin QFN EP 制造商:Linear Technology 功能描述:IC ADC 14BIT 1.8V 150MSPS 40-QFN
LTC2262IUJ-14#TRPBF 制造商:Linear Technology 功能描述:ADC Single Pipelined 150Msps 14-bit Parallel/LVDS 40-Pin QFN EP T/R 制造商:Linear Technology 功能描述:IC ADC 14BIT 150MSPS 40-QFN
LTC2263-12 制造商:LINER 制造商全稱:Linear Technology 功能描述:12-Bit, 65Msps/40Msps/25Msps Low Power Dual ADCs
LTC2263-14 制造商:LINER 制造商全稱:Linear Technology 功能描述:Quad 14-Bit, 125Msps ADC with Integrated Drivers
LTC2263CUJ-12#PBF 功能描述:IC ADC 12BIT SER/PAR 25M 40-QFN RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個(gè)單端，單極 產(chǎn)品目錄頁(yè)面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6
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