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LM98722CCMT/NOPB

更新时间： 2024-11-13 19:56:07
品牌 Logo 应用领域
美国国家半导体 - NSC PC光电二极管
页数 文件大小 规格书
14页 306K
描述
IC SPECIALTY ANALOG CIRCUIT, PDSO56, ROHS COMPLIANT, TSSOP-56, Analog IC:Other

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中文翻译

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LM98722CCMT/NOPB 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：TSSOP,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.04模拟集成电路 - 其他类型：ANALOG CIRCUIT
JESD-30 代码：R-PDSO-G56JESD-609代码：e3
长度：14 mm湿度敏感等级：2
功能数量：1端子数量：56
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.1 mm最大供电电压 (Vsup)：3.6 V
最小供电电压 (Vsup)：3 V标称供电电压 (Vsup)：3.3 V
表面贴装：YES温度等级：COMMERCIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40宽度：6 mm
Base Number Matches：1

LM98722CCMT/NOPB 数据手册

 浏览型号LM98722CCMT/NOPB的Datasheet PDF文件第2页浏览型号LM98722CCMT/NOPB的Datasheet PDF文件第3页浏览型号LM98722CCMT/NOPB的Datasheet PDF文件第4页浏览型号LM98722CCMT/NOPB的Datasheet PDF文件第5页浏览型号LM98722CCMT/NOPB的Datasheet PDF文件第6页浏览型号LM98722CCMT/NOPB的Datasheet PDF文件第7页 
September 24, 2009  
LM98722  
3 Channel, 16-Bit, 45 MSPS Analog Front End with LVDS/  
CMOS Output, Integrated CCD/CIS Sensor Timing  
Generator and Spread Spectrum Clock Generation  
General Description  
Features  
The LM98722 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 archi-  
tecture utilizing Correlated Double Sampling (CDS), typically  
employed with CCD arrays, or Sample and Hold (S/H) inputs  
(for higher speed CCD or CMOS image sensors). The signal  
paths utilize 8 bit 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 analog  
inputs. The signals are then routed to a 45MHz high perfor-  
mance analog-to-digital converter (ADC). The fully differential  
processing channel shows exceptional noise immunity, hav-  
ing a very low noise floor of -74dB. The 16-bit ADC has  
excellent dynamic performance making the LM98722 trans-  
parent in the image reproduction chain.  
LVDS/CMOS Outputs  
■
■
■
■
■
■
■
■
LVDS/CMOS/Crystal Clock Source with PLL Multiplication  
Integrated Flexible Spread Spectrum Clock Generation  
CDS or S/H Processing for CCD or CIS sensors  
Independent Gain/Offset Correction for Each Channel  
Automatic per-Channel Gain and Offset Calibration  
Programmable Input Clamp Voltage  
Flexible CCD/CIS Sensor Timing Generator  
Key Specifications  
Maximum Input Level  
1.2 or 2.4 Volt Modes  
(both with + or - polarity option)  
16-Bit  
■
■
■
■
■
■
■
■
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■
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ADC Resolution  
ADC Sampling Rate  
INL  
45 MSPS  
+18/-25 LSB (typ)  
22.5/22.5/15 MSPS  
256 Steps  
Channel Sampling Rate  
PGA Gain Steps  
PGA Gain Range  
Analog DAC Resolution  
Analog DAC Range  
Digital DAC Resolution  
Digital DAC Range  
SNR  
A very flexible integrated Spread Spectrum Clock Generation  
(SSCG) modulator is included to assist with EM compliance  
and reduce system costs.  
0.64 to 8.3x  
+/-9 Bits  
+/-307mV or +/-614mV  
+/-6 Bits  
Applications  
Multi-Function Peripherals  
■
■
■
■
-2048 LSB to + 2016 LSB  
-74dB (@0dB PGA Gain)  
630mW (LVDS)  
0 to 70°C  
High-speed Currency/Check Scanners  
Flatbed or Handheld Color Scanners  
Power Dissipation  
Operating Temp  
Supply Voltage  
High-speed Document Scanners  
3.3V Nominal (3.0V to 3.6V range)  
System Block Diagram  
30099570  
© 2009 National Semiconductor Corporation  
300995  
www.national.com  
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