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LM98714BCMTX PDF预览

LM98714BCMTX

更新时间： 2024-11-14 01:11:07
品牌 Logo 应用领域
德州仪器 - TI 光电二极管
页数 文件大小 规格书
17页 733K
描述
LM98714 Three Channel, 16-Bit, 45 MSPS Digital Copier Analog Front End with Integrated CCD/CIS Sensor Timing Generator and LVDS Output

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LM98714BCMTX 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：TSSOP, TSSOP48,.3,20Reach Compliance Code：compliant
风险等级：5.92最大模拟输入电压：4.2 V
JESD-30 代码：R-PDSO-G48JESD-609代码：e0
最大线性误差 (EL)：0.004%湿度敏感等级：2
模拟输入通道数量：3位数：16
端子数量：48最高工作温度：70 °C
最低工作温度：输出位码：OFFSET BINARY
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP48,.3,20封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH电源：3.3 V
认证状态：Not Qualified子类别：Analog to Digital Converters
标称供电电压：3.3 V表面贴装：YES
温度等级：COMMERCIAL端子面层：Tin/Lead (Sn85Pb15)
端子形式：GULL WING端子节距：0.5 mm
端子位置：DUALBase Number Matches：1

LM98714BCMTX 数据手册

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LM98714  
www.ti.com  
SNAS254 –OCTOBER 2006  
LM98714 Three Channel, 16-Bit, 45 MSPS Digital Copier Analog Front End with Integrated  
CCD/CIS Sensor Timing Generator and LVDS Output  
Check for Samples: LM98714  
1
FEATURES  
DESCRIPTION  
The LM98714 is a fully integrated, high performance  
16-Bit, 45 MSPS signal processing solution for digital  
color copiers, scanners, and other image processing  
applications. High-speed signal throughput is  
achieved with an innovative architecture utilizing  
Correlated Double Sampling (CDS), typically  
employed with CCD arrays, or Sample and Hold  
(S/H) inputs (for Contact Image Sensors and CMOS  
2
•
LVDS/CMOS Outputs  
•
•
•
•
LVDS/CMOS Pixel Rate Input Clock or ADC  
Input Clock  
CDS or S/H Processing for CCD or CIS  
Sensors  
Independent Gain/Offset Correction for Each  
Channel  
image sensors). The signal paths utilize  
8 bit  
Digital Black Level Correction Loop for Each  
Channel  
Programmable Gain Amplifiers (PGA), a +/-9-Bit  
offset correction DAC and independently controlled  
Digital Black Level correction loops for each input.  
The PGA and offset DAC are programmed  
independently allowing unique values of gain and  
offset for each of the three inputs. The signals are  
then routed to a 45MHz high performance analog-to-  
digital converter (ADC). The fully differential  
processing channel shows exceptional noise  
immunity, having a very low noise floor of -74dB. The  
16-bit ADC has excellent dynamic performance  
making the LM98714 transparent in the image  
reproduction chain.  
•
•
Programmable Input Clamp Voltage  
Flexible CCD/CIS Sensor Timing Generator  
APPLICATIONS  
•
•
•
•
Multi-Function Peripherals  
Facsimile Equipment  
Flatbed or Handheld Color Scanners  
High-Speed Document Scanner  
KEY SPECIFICATIONS  
•
Maximum Input Level 1.2 or 2.4 Volt Modes  
(Both with + or - Polarity Option)  
–
•
•
•
•
•
•
•
•
•
•
•
•
ADC Resolution 16-Bit  
ADC Sampling Rate 45 MSPS  
INL +/- 23 LSB (typ)  
Channel Sampling Rate 15/22.5/30 MSPS  
PGA Gain Steps 256 Steps  
PGA Gain Range 0.7 to 7.84x  
Analog DAC Resolution +/-9 Bits  
Analog DAC Range +/-300mV or +/-600mV  
Digital DAC Resolution +/-6 Bits  
Digital DAC Range -1024 LSB to + 1008 LSB  
SNR -74dB (@0dB PGA Gain)  
Power Dissipation 505mW (LVDS) 610mW  
(CMOS)  
•
•
Operating Temp 0 to 70°C  
Supply Voltage 3.3V Nominal (3.0V to 3.6V  
Range)  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2006, Texas Instruments Incorporated  
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