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AD80066KRSZ PDF预览

AD80066KRSZ

更新时间: 2024-02-29 15:28:06
品牌 Logo 应用领域
亚德诺 - ADI 微控制器和处理器外围集成电路数字信号处理器光电二极管PC
页数 文件大小 规格书
20页 333K
描述
Complete 16-Bit CCD/CIS Signal Processor

AD80066KRSZ 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SSOP
包装说明:SSOP,针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:7.92
Is Samacsys:N桶式移位器:NO
边界扫描:NO外部数据总线宽度:8
格式:FIXED POINTJESD-30 代码:R-PDSO-G28
JESD-609代码:e3长度:10.2 mm
低功率模式:YES湿度敏感等级:1
端子数量:28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:SSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:2 mm
最大供电电压:5.25 V最小供电电压:4.75 V
标称供电电压:5 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:5.3 mm
uPs/uCs/外围集成电路类型:DIGITAL SIGNAL PROCESSOR, OTHERBase Number Matches:1

AD80066KRSZ 数据手册

 浏览型号AD80066KRSZ的Datasheet PDF文件第14页浏览型号AD80066KRSZ的Datasheet PDF文件第15页浏览型号AD80066KRSZ的Datasheet PDF文件第16页浏览型号AD80066KRSZ的Datasheet PDF文件第17页浏览型号AD80066KRSZ的Datasheet PDF文件第19页浏览型号AD80066KRSZ的Datasheet PDF文件第20页 
AD80066  
ANALOG INPUTS—SHA MODE  
AD80066  
Figure 19 shows the analog input configuration for the SHA  
mode of operation. Figure 20 shows the internal timing for the  
sampling switches. The input signal is sampled when CDSCLK2  
transitions from high to low, opening S1. The voltage on the  
OFFSET pin is also sampled on the falling edge of CDSCLK2,  
when S2 opens. S3 is then closed, generating a differential  
output voltage that represents the difference between the  
sampled input voltage and the OFFSET voltage. The input  
clamp is disabled during SHA mode operation.  
VINA  
VINB  
VINC  
A OFFSET  
B OFFSET  
C OFFSET  
SHA  
SHA  
SHA  
VOLTAGE  
REFERENCE  
FROM CIS  
MODULE  
AVDD  
OFFSET  
0.1µF  
R1  
DC OFFSET  
R2  
AD80066  
S1  
2pF  
VINA  
CML  
A
INPUT SIGNAL  
S3  
S2  
2pF  
OFFSET  
VINB  
Figure 21. SHA Mode Used with External DC Offset  
CML  
OPTIONAL DC OFFSET  
(OR CONNECT TO GND)  
PROGRAMMABLE GAIN AMPLIFIERS (PGA)  
CML  
The AD80066 uses one PGA for each channel. Each PGA has a  
gain range from 1× (0 dB) to 5.8× (15.5 dB), adjustable in  
64 steps. Figure 22 shows the PGA gain as a function of the  
PGA register value. Although the gain curve is approximately  
linear-in-dB, the gain in V/V varies nonlinearly with register  
code, following the equation  
B
CML  
VINC  
VIND  
CML  
C
CML  
5.9  
Gain =  
CML  
63 G  
1 + 4.9  
D
63  
CML  
where G is the decimal value of the gain register contents and  
varies from 0 to 63.  
Figure 19. SHA Mode Input Configuration (All Four Channels Are Identical)  
1
5
5.9  
5.0  
4.0  
3.0  
2.0  
1.0  
S1, S2 CLOSED  
S1, S2 OPEN  
S1, S2 CLOSED  
CDSCLK2  
12  
9
S3 CLOSED  
S3 CLOSED  
Q3  
S3 OPEN  
(INTERNAL)  
Figure 20. SHA Mode Internal Switch Timing  
Figure 21 shows how the OFFSET pin can be used in a CIS  
application for coarse offset adjustment. Many CIS signals have  
dc offsets ranging from several hundred millivolts to more than  
1 V. By connecting the appropriate dc voltage to the OFFSET pin,  
the large dc offset is removed from the CIS signal. Then, the  
signal can be scaled using the PGA to maximize the dynamic  
range of the ADC.  
6
3
0
0
4
8 12 16 20 24 28 32 36 40 44 48 52 56 60 63  
PGA REGISTER VALUE (Decimal)  
Figure 22. PGA Gain Transfer Function  
Rev. A | Page 18 of 20  
 
 
 
 
 
 

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