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ADS803U PDF预览

ADS803U

更新时间: 2024-11-20 22:39:07
品牌 Logo 应用领域
BB 转换器模数转换器光电二极管
页数 文件大小 规格书
12页 257K
描述
12-Bit, 5MHz Sampling ANALOG-TO-DIGITAL CONVERTER

ADS803U 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SOIC-28Reach Compliance Code:unknown
风险等级:5.78Is Samacsys:N
最大模拟输入电压:3.5 V最小模拟输入电压:1.5 V
转换器类型:ADC, PROPRIETARY METHODJESD-30 代码:R-PDSO-G28
JESD-609代码:e0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电源:5 V
认证状态:Not Qualified采样速率:5 MHz
采样并保持/跟踪并保持:TRACK子类别:Analog to Digital Converters
最大压摆率:27 mA标称供电电压:5 V
表面贴装:YES技术:BIPOLAR
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUALBase Number Matches:1

ADS803U 数据手册

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®
ADS803  
ADS803U  
ADS803E  
12-Bit, 5MHz Sampling  
TM  
ANALOG-TO-DIGITAL CONVERTER  
FLEXIBLE INPUT RANGE  
FEATURES  
HIGH SFDR: 82dB at NYQUIST  
OVER-RANGE INDICATOR  
HIGH SNR: 69dB  
APPLICATIONS  
IF AND BASEBAND DIGITIZATION  
CCD IMAGING SCANNERS  
TEST INSTRUMENTATION  
LOW POWER: 115mW  
LOW DLE: 0.25LSB  
SMALL 28-LEAD SSOP AND SOIC PACKAGES  
DESCRIPTION  
range in between the 2Vp-p and 5Vp-p input ranges or to use  
external reference. The ADS803 also provides an overrange indica-  
tor flag to indicate an input range that exceeds the full-scale input  
range of the converter. This flag can be used to reduce the gain of  
the front end gain-ranging circuitry.  
The ADS803 is a high-speed, high dynamic range, 12-bit pipelined  
analog-to-digital converter. This converter includes a high-band-  
width track/hold that gives excellent spurious performance up to  
and beyond the Nyquist rate. This high-bandwidth, linear track/hold  
minimizes harmonics and has low jitter, leading to excellent SNR  
performance. The ADS803 is also pin-compatible with the 10MHz  
ADS804 and the 20MHz ADS805.  
The ADS803 employs digital error correction techniques to provide  
excellent differential linearity for demanding imaging applications.  
Its low distortion and high SNR give the extra margin needed for  
communications, medical imaging, video and test instrumentation  
applications. The ADS803 is available in 28-lead SSOP and SOIC  
packages.  
The ADS803 provides an internal reference and can be programmed  
for a 2Vp-p input range for the best spurious performance and ease  
of driving. Alternatively, the 5Vp-p input range can be used for the  
lowest input referred noise of 0.09 LSBs rms giving superior  
imaging performance. There is also a capability to set the input  
+VS  
CLK  
VDRV  
ADS803  
Timing Circuitry  
VIN  
IN  
D0  
12-Bit  
Pipelined  
A/D 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  
International Airport Industrial Park  
Mailing Address: PO Box 11400, Tucson, AZ 85734  
FAXLine: (800) 548-6133 (US/Canada Only)  
Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706  
Tel: (520) 746-1111 • Twx: 910-952-1111  
Internet: http://www.burr-brown.com/  
Cable: BBRCORP  
Telex: 066-6491  
FAX: (520) 889-1510  
Immediate Product Info: (800) 548-6132  
©1997 Burr-Brown Corporation  
PDS-1398C  
Printed in U.S.A. October, 1998  

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