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参数资料
| 型号： | LTC2262IUJ-12#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | ADC |
| 英文描述： | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40 |
| 封装： | 6 X 6 MM, LEAD FREE, PLASTIC, QFN-40 |
| 文件页数： | 5/28页 |
| 文件大小： | 481K |
| 代理商： | LTC2262IUJ-12#TRPBF |
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LTC2262-12
13
226212fa
FUNCTIONAL BLOCK DIAGRAM
Figure 1. Functional Block Diagram
DIFF
REF
AMP
REF
BUF
2.2μF
0.1μF
INTERNAL CLOCK SIGNALS
REFH
REFL
CLOCK/DUTY
CYCLE
CONTROL
RANGE
SELECT
1.25V
REFERENCE
FIRST PIPELINED
ADC STAGE
FIFTH PIPELINED
ADC STAGE
FOURTH PIPELINED
ADC STAGE
SECOND PIPELINED
ADC STAGE
ENC+
ENC–
SHIFT REGISTER
AND CORRECTION
SDO
CS
OGND
OF
OVDD
D11
CLKOUT–
CLKOUT+
D0
226212 F01
INPUT
S/H
SENSE
VREF
AIN
–
AIN
+
1μF
VCM
0.1μF
VDD/2
THIRD PIPELINED
ADC STAGE
OUTPUT
DRIVERS
MODE
CONTROL
REGISTERS
SCK
PAR/SER
SDI
VDD
GND
APPLICATIONS INFORMATION
Figure 2. Equivalent Input Circuit
CSAMPLE
3.5pF
RON
25Ω
RON
25Ω
VDD
LTC2262-12
AIN
+
226212 F02
CSAMPLE
3.5pF
VDD
AIN
–
ENC–
ENC+
1.2V
10k
1.2V
10k
CPARASITIC
1.8pF
CPARASITIC
1.8pF
10Ω
CONVERTER OPERATION
The LTC2262-12 is a low power 12-bit 150Msps A/D
converter that is powered by a single 1.8V supply. The
analog inputs should be driven differentially. The encode
input can be driven differentially or single-ended for lower
power consumption. 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
相关PDF资料 |
PDF描述 |
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| LTC2262CUJ-12#PBF | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 制造商全称:Linear Technology 功能描述:12-Bit, 65Msps/40Msps/25Msps Low Power Dual ADCs |
| LTC2263-14 | 制造商:LINER 制造商全称: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 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 |
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