参数资料
型号: LTC2258CUJ-12#PBF
厂商: Linear Technology
文件页数: 10/34页
文件大小: 0K
描述: IC ADC 12BIT 65MSPS 1.8V 40-QFN
产品培训模块: LTC2262 - Ultra Low Power High Speed ADCs
标准包装: 61
位数: 12
采样率(每秒): 65M
数据接口: 并联,串行,SPI
转换器数目: 1
功率耗散(最大): 89mW
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: DC718C-ND - DEMO QUIKEVAL-II DATA
LTC2258-12
LTC2257-12/LTC2256-12
18
225812fd
For more information www.linear.com/LTC2258-12
CONVERTER OPERATION
TheLTC2258-12/LTC2257-12/LTC2256-12arelowpower
12-bit 65Msps/40Msps/25Msps A/D converters that are
poweredbyasingle1.8Vsupply.Theanaloginputsshould
be driven differentially. The encode input can be driven
differentially or single-ended for lower power consump-
tion. The digital outputs can be CMOS, double data rate
CMOS (to halve the number of output lines), or double
data rate LVDS (to reduce digital noise in the system.)
Many additional features can be chosen by programming
the mode control registers through a serial SPI port. See
the Serial Programming Mode section.
ANALOG INPUT
The analog input is a differential CMOS sample-and-hold
circuit (Figure 2). The inputs should be driven differentially
around a common mode voltage set by the VCM output
pin, which is nominally VDD/2. For the 2V input range,
the inputs should swing from VCM – 0.5V to VCM + 0.5V.
Thereshouldbe180°phasedifferencebetweentheinputs.
CSAMPLE
3.5pF
RON
25
RON
25
VDD
LTC2258-12
AIN+
225812 F02
CSAMPLE
3.5pF
VDD
AIN–
ENC
ENC+
1.2V
10k
1.2V
10k
CPARASITIC
1.8pF
CPARASITIC
1.8pF
10
Figure 2. Equivalent Input Circuit
applicaTions inForMaTion
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LTC2258CUJ-12-TRPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:12-Bit, 65/40/2 5Msps Ultralow Power 1.8V ADCs
LTC2258CUJ-14#PBF 功能描述:IC ADC 14BIT 65MSPS 1.8V 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
LTC2258CUJ-14#TRPBF 功能描述:IC ADC 14BIT 65MSPS 1.8V 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:- 位数:14 采样率(每秒):83k 数据接口:串行,并联 转换器数目:1 功率耗散(最大):95mW 电压电源:双 ± 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:28-DIP(0.600",15.24mm) 供应商设备封装:28-PDIP 包装:管件 输入数目和类型:1 个单端,双极
LTC2258CUJ-14-PBF 制造商:LINER 制造商全称:Linear Technology 功能描述:14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs
LTC2258CUJ-14-TRPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs