参数资料
型号: LTC2261CUJ-14#PBF
厂商: Linear Technology
文件页数: 11/34页
文件大小: 0K
描述: IC ADC 14-BIT 125MSPS 40-QFN
产品培训模块: LTC2262 - Ultra Low Power High Speed ADCs
标准包装: 61
位数: 14
采样率(每秒): 125M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 150mW
电压电源: 单电源
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-QFN(6x6)
包装: 管件
输入数目和类型: 1 个差分
配用: DC890B-ND - BOARD USB DATA COLLECTION
19
226114fc
LTC2261-14
LTC2260-14/LTC2259-14
For more information www.linear.com/LTC2261-14
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
DC level. At higher input frequencies a transmission line
balun transformer (Figures 4 to 6) has better balance,
resulting in lower A/D distortion.
Amplifier Circuits
Figure 7 shows the analog input being driven by a high
speed differential amplifier. The output of the amplifier is
AC-coupled to the A/D so the amplifier’s output common
mode voltage can be optimally set to minimize distortion.
Figure 4. Recommended Front-End Circuit for
Input Frequencies from 70MHz to 170MHz
At very high frequencies an RF gain block will often have
lower distortion than a differential amplifier. If the gain
blockissingle-ended,thenatransformercircuit(Figures 4
to 6) should convert the signal to differential before driv-
ing the A/D.
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
226114 F04
LTC2261-14
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
226114 F05
LTC2261-14
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
226114 F06
LTC2261-14
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LTC2261IUJ-12#PBF 功能描述:IC ADC 12-BIT 125MSPS 40-QFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 其它有关文件:TSA1204 View All Specifications 标准包装:1 系列:- 位数:12 采样率(每秒):20M 数据接口:并联 转换器数目:2 功率耗散(最大):155mW 电压电源:模拟和数字 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-TQFP 供应商设备封装:48-TQFP(7x7) 包装:Digi-Reel® 输入数目和类型:4 个单端,单极;2 个差分,单极 产品目录页面:1156 (CN2011-ZH PDF) 其它名称:497-5435-6
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LTC2261IUJ-12-PBF 制造商:LINER 制造商全称:Linear Technology 功能描述:12-Bit, 125/105/80Msps Ultralow Power 1.8V ADCs
LTC2261IUJ-12-TRPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:12-Bit, 125/105/80Msps Ultralow Power 1.8V ADCs