参数资料
型号: LTC2261IUJ-12#TRPBF
厂商: Linear Technology
文件页数: 11/34页
文件大小: 0K
描述: IC ADC 12BIT 125MSPS 40-QFN
产品培训模块: LTC2262 - Ultra Low Power High Speed ADCs
标准包装: 2,000
位数: 12
采样率(每秒): 125M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 146mW
电压电源: 单电源
工作温度: -40°C ~ 85°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: 带卷 (TR)
输入数目和类型: 1 个差分
配用: DC890B-ND - BOARD USB DATA COLLECTION
LTC2261-12
LTC2260-12/LTC2259-12
19
226112fc
For more information www.linear.com/LTC2261-12
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
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
block is single ended, then a transformer circuit (Figures 4
to 6) should convert the signal to differential before driv-
ing the A/D.
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
226112 F05
LTC2261-12
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
226112 F04
LTC2261-12
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
226112 F06
LTC2261-12
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相关代理商/技术参数
参数描述
LTC2261IUJ-14#PBF 功能描述:IC ADC 14-BIT 125MSPS 40-QFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:microPOWER™ 位数:8 采样率(每秒):1M 数据接口:串行,SPI? 转换器数目:1 功率耗散(最大):- 电压电源:模拟和数字 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-VQFN 裸露焊盘(4x4) 包装:Digi-Reel® 输入数目和类型:8 个单端,单极 产品目录页面:892 (CN2011-ZH PDF) 其它名称:296-25851-6
LTC2261IUJ-14#TRPBF 功能描述:IC ADC 14BIT 125MSPS 40-QFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:250 系列:- 位数:12 采样率(每秒):1.8M 数据接口:并联 转换器数目:1 功率耗散(最大):1.82W 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-LQFP 供应商设备封装:48-LQFP(7x7) 包装:管件 输入数目和类型:2 个单端,单极
LTC2261IUJ-14-PBF 制造商:LINER 制造商全称:Linear Technology 功能描述:14-Bit, 125/105/80Msps Ultralow Power 1.8V ADCs
LTC2261IUJ-14-TRPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:14-Bit, 125/105/80Msps Ultralow Power 1.8V ADCs
LTC2261UJ-12 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