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AD570SD PDF预览

AD570SD

更新时间: 2024-02-25 14:30:21
品牌 Logo 应用领域
亚德诺 - ADI 转换器模数转换器
页数 文件大小 规格书
8页 314K
描述
Complete 8-Bit A-to-D Converter

AD570SD 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:DIP
包装说明:DIP,针数:18
Reach Compliance Code:unknown风险等级:5.78
Is Samacsys:N最大模拟输入电压:5 V
最小模拟输入电压:-5 V最长转换时间:40 µs
转换器类型:ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码:R-CDIP-T18
JESD-609代码:e0湿度敏感等级:NOT SPECIFIED
标称负供电电压:-15 V模拟输入通道数量:1
位数:8功能数量:1
端子数量:18最高工作温度:125 °C
最低工作温度:-55 °C输出位码:BINARY, OFFSET BINARY
输出格式:PARALLEL, 8 BITS封装主体材料:CERAMIC, METAL-SEALED COFIRED
封装代码:DIP封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
采样速率:0.04 MHz座面最大高度:5.08 mm
标称供电电压:5 V表面贴装:NO
温度等级:MILITARY端子面层:TIN LEAD
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmBase Number Matches:1

AD570SD 数据手册

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Complete 8-Bit  
A-to-D Converter  
a
AD570*  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
Complete A/D Converter with Reference and Clock  
Fast Successive Approximation Conversion: 25 s  
No Missing Codes Over Temperature  
0؇C to +70؇C: AD570J  
–55؇C to +125؇C: AD570S  
Digital Multiplexing: Three-State Outputs  
18-Pin Ceramic DIP  
Low Cost Monolithic Construction  
PRODUCT DESCRIPTION  
The AD570 is an 8-bit successive approximation A/D converter  
consisting of a DAC, voltage reference, clock, comparator, suc-  
cessive approximation register and output buffers—all fabricated  
on a single chip. No external components are required to per-  
form a full accuracy 8-bit conversion in 25 µs.  
The AD570 incorporates the most advanced integrated circuit  
design and processing technology available today. I2L (inte-  
grated injection logic) processing in the fabrication of the SAR  
function along with laser trimming of the high stability SiCr  
thin-film resistor ladder network at the wafer stage (LWT) and a  
temperature compensated, subsurface Zener reference insures  
full 8-bit accuracy at low cost.  
PRODUCT HIGHLIGHTS  
1. The AD570 is a complete 8-bit A/D converter. No external  
components are required to perform a conversion. Full-scale  
calibration accuracy of ±0.8% (2 LSB of 8 bits) is achieved  
without external trims.  
2. The AD570 is a single chip device employing the most ad-  
vanced IC processing techniques. Thus, the user has at his  
disposal a truly precision component with the reliability and  
low cost inherent in monolithic construction,  
Operating on supplies of +5 V and –15 V, the AD570 accepts  
analog inputs of 0 V to +10 V unipolar of ±5 V bipolar, exter-  
nally selectable. As the BLANK and CONVERT input is driven  
low, the three-state outputs go into the high impedance state  
and a conversion commences. Upon completion of the conver-  
sion, the DATA READY line goes low and the data appears at  
the output. Pulling the BLANK and CONVERT input high  
three states the outputs and readies the device for the next con-  
version. The AD570 executes a true 8-bit conversion with no  
missing codes in approximately 25 µs.  
3. The AD570 accepts either unipolar (0 V to +10 V) or bipolar  
(–5 V to +5 V) analog inputs by grounding or opening a  
single pin.  
4. The device offers true 8-bit accuracy and exhibits no missing  
codes over its entire operating temperature range.  
5. Operation is guaranteed with –15 V and +5 V supplies. The  
device will also operate with a –12 V supply.  
The AD570 is available in two version; the AD570J is specified  
for the 0°C to +70°C temperature range, the AD570S for –55°C  
to +125°C. Both guarantee full 8-bit accuracy and no missing  
codes over their respective temperature ranges.  
6. The AD570S is also available processed to MIL-STD-883C,  
Class B. The military data sheet for the AD570SD/883B is  
included in the Analog Devices Military Products Databook.  
*U.S. Patents Numbered: 3,940,760; 4,213,806 and 4,136,349.  
REV. A  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, nor for any infringements of patents or other rights of third parties  
which may result from its use. No license is granted by implication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 617/329-4700  
Fax: 617/326-8703  

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