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ADS805U

更新时间： 2024-11-21 20:24:43
品牌 Logo 应用领域
德州仪器 - TI 光电二极管转换器
页数 文件大小 规格书
19页 530K
描述
12-Bit, 20 MSPS ADC Int/Ext Ref., flexible I/P between 2 and 5Vpp, Out of Range Indicator, pin comp. 28-SOIC -40 to 85

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ADS805U 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：PLASTIC, SOIC-28针数：28
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.75Is Samacsys：N
最大模拟输入电压：3.5 V最小模拟输入电压：1.5 V
最长转换时间：100 µs转换器类型：ADC, PROPRIETARY METHOD
JESD-30 代码：R-PDSO-G28长度：17.9 mm
最大线性误差 (EL)：0.0488%模拟输入通道数量：1
位数：12功能数量：1
端子数量：28最高工作温度：85 °C
最低工作温度：-40 °C输出位码：OFFSET BINARY
输出格式：PARALLEL, WORD封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP28,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：5 V
认证状态：Not Qualified采样速率：20 MHz
采样并保持/跟踪并保持：TRACK座面最大高度：2.65 mm
子类别：Analog to Digital Converters标称供电电压：5 V
表面贴装：YES技术：BIPOLAR
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7.5 mm
Base Number Matches：1

ADS805U 数据手册

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ADS805  
A
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SBAS073B – JANUARY 1997 – REVISED NOVEMBER 2002  
12-Bit, 20MHz Sampling  
ANALOG-TO-DIGITAL CONVERTER  
APPLICATIONS  
● STUDIO CAMERAS  
FEATURES  
● HIGH SFDR: 74dB at 9.8MHz fIN  
● IF AND BASEBAND DIGITIZATION  
● COPIERS  
● HIGH SNR: 68dB  
● LOW POWER: 300mW  
● LOW DLE: 0.25LSB  
● TEST INSTRUMENTATION  
● FLEXIBLE INPUT RANGE  
● OVER-RANGE INDICATOR  
natively, the 5Vp-p input range can be used for the lowest  
input-referred noise of 0.09LSBs rms giving superior imaging  
performance. There is also the capability to set the input  
range between 2Vp-p and 5Vp-p, either single-ended or  
differential. The ADS805 also provides an over-range flag  
that indicates when the input signal has exceeded the  
converter’s full-scale range. This flag can also be used to  
reduce the gain of the front end signal conditioning circuitry.  
DESCRIPTION  
The ADS805 is a 20MHz, high dynamic range, 12-bit, pipelined  
Analog-to-Digital Converter ADC. This converter includes a  
high-bandwidth track-and-hold that gives excellent spurious  
performance up to and beyond the Nyquist rate. This high-  
bandwidth, linear track-and-hold minimizes harmonics and  
has low jitter, leading to excellent Signal-to-Noise Ratio  
(SNR) performance. The ADS805 is also pin-compatible with  
the 10MHz ADS804 and the 5MHz ADS803.  
The ADS805 employs digital error techniques to provide  
excellent differential linearity for demanding imaging applica-  
tions. Its low distortion and high SNR give the extra margin  
needed for communications, medical imaging, video, and  
test instrumentation applications. The ADS805 is available in  
an SSOP-28 package.  
The ADS805 provides an internal reference or an external  
reference can be used. The ADS805 can be programmed for  
a 2Vp-p input range which is the easiest to drive with a single  
op amp and provides the best spurious performance. Alter-  
+VS  
CLK  
VDRV  
ADS805  
Timing Circuitry  
VIN  
IN  
D0  
12-Bit  
Pipelined  
ADC Core  
Error  
Correction  
Logic  
3-State  
Outputs  
•
•
•
T&H  
IN  
D11  
CM  
OVR  
Reference Ladder  
and Driver  
Reference and  
Mode Select  
REFT  
VREF  
SEL  
REFB  
OE  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 1997, Texas Instruments Incorporated  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
www.ti.com  
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ADS807E TI

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 		12-Bit, 53MHz Sampling ANALOG-TO-DIGITAL CONVERTER
ADS807E BB

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 		12-Bit, 53MHz Sampling ANALOG-TO-DIGITAL CONVERTER
ADS807E/1K TI

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 		ANALOG-TO-DIGITAL CONVERTER
ADS807E/1KG4 TI

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 		12-Bit, 53 MSPS ADC SE/Diff imputs w/range of 2 to 3Vpp, Int/Ext Ref., Out of Range Indica
ADS807KH-BI BB

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 		ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, Hybrid, C
ADS807SH-BI BB

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