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ADS-943GM PDF预览

ADS-943GM

更新时间： 2024-01-16 21:08:14
品牌 Logo 应用领域
村田 - MURATA 转换器
页数 文件大小 规格书
9页 273K
描述
ADC, Flash Method, 14-Bit, 1 Func, 1 Channel, Parallel, Word Access, Hybrid, CDSO24, METAL SEALED, CERAMIC, SMT-24

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ADS-943GM 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Transferred零件包装代码：SOIC
包装说明：SOP, GWDIP24,1.0针数：24
Reach Compliance Code：compliantECCN代码：3A001.A.2.C
HTS代码：8542.39.00.01风险等级：5.26
Is Samacsys：N最大模拟输入电压：2 V
最小模拟输入电压：-2 V最长转换时间：0.14 µs
转换器类型：ADC, FLASH METHODJESD-30 代码：R-CDSO-G24
JESD-609代码：e4标称负供电电压：-5 V
模拟输入通道数量：1位数：14
功能数量：1端子数量：24
最高工作温度：125 °C最低工作温度：-55 °C
输出位码：OFFSET BINARY输出格式：PARALLEL, WORD
封装主体材料：CERAMIC, METAL-SEALED COFIRED封装代码：SOP
封装等效代码：GWDIP24,1.0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：3 MHz采样并保持/跟踪并保持：SAMPLE
座面最大高度：5.334 mm子类别：Analog to Digital Converters
标称供电电压：5 V表面贴装：YES
技术：HYBRID温度等级：MILITARY
端子面层：GOLD (50) OVER NICKEL (100)端子形式：GULL WING
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 SPECIFIEDBase Number Matches：1

ADS-943GM 数据手册

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ADS-943  
14-Bit, 3MHz, Low-Distortion, Sampling A/D Converters  
PRODUCT OVERVIEW  
The low-cost ADS-943 is a 14-bit, 3MHz  
sampling A/D converter optimized to meet the  
demanding dynamic-range and sampling-rate  
requirements of contemporary digital telecommu-  
nications applications. The ADS-943's outstanding  
dynamic performance is evidenced by a peak har-  
Digital input and output levels are TTL. The unit  
is edge-triggered, requiring only the rising edge  
of a start convert pulse to initiate a conversion.  
The device is offered with a bipolar input range  
of ±25. Models are available in commercial (0 to  
+70°C), industrial (–40 to +100°C), or HI-REL (–±±  
monic specification of –83dB and a signal-to-noise to +12±°C) operating temperature ranges. A pro-  
ratio (SNR) of 79dB. Additionally, the ADS-943  
easily achieves the 2.2MHz minimum sampling  
rate required by digital receivers in certain ADSL,  
HDSL and ATM applications. The ADS-943 also  
addresses size and power constraints normally  
associated with these types of applications. This  
device requires just ±±5 supplies, dissipates 1.7  
Watts, and is packaged in a very small 24-pin DDIP.  
Although optimized for frequency-domain  
applications, the ADS-943's DNL and noise speci-  
fications are also outstanding, thereby making  
it an equally impressive device for time-domain  
applications (graphic and medical imaging, pro-  
cess control, etc.). In fact, the ADS-943 guarantees  
no missing codes to the 14-bit level over the full  
HI-REL operating temperature range.  
prietary, auto-calibrating, error-correcting circuit  
allows the device to achieve specified performance  
over the full HI-REL temperature range.  
FEATURES  
INPUT/OUTPUT CONNECTIONS  
„
„
„
14-bit resolution  
PIN FUNCTION  
PIN FUNCTION  
3MHz minimum sampling rate  
1
BIT1 (MSB)  
BIT 2  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
ANALOG GROUND  
2
OFFSET ADJUST  
+5V ANALOG SUPPLY  
ANALOG INPUT  
–5V SUPPLY  
Ideal for both frequency and time-domain  
applications  
3
BIT 3  
4
BIT 4  
„
„
„
Excellent peak harmonics, –83dB  
Excellent signal-to-noise ratio, 79dB  
5
BIT 5  
6
BIT 6  
ANALOG GROUND  
START CONVERT  
EOC  
7
BIT 7  
No missing codes over full HI-REL temperature  
range  
8
BIT 8  
The functionally complete ADS-943 contains a  
fast-settling sample-hold amplifier, a subranging  
(two-pass) A/D converter, an internal reference,  
timing/control logic, and error-correction circuitry.  
9
BIT 9  
BIT 14 (LSB)  
„
„
„
±±5 supplies, 1.7 Watts  
Small, 24-pin ceramic DDIP or SMT  
Low cost  
10  
11  
12  
BIT 10  
BIT 11  
BIT 12  
BIT 13  
DIGITAL GROUND  
+5V DIGITAL SUPPLY  
BLOCK DIAGRAM  
OFFSET ADJUST 23  
BUFFER  
16 BIT 14 (LSB)  
15 BIT 13  
–
+
ANALOG INPUT 21  
S/H  
FLASH  
ADC  
1
12 BIT 12  
11 BIT 11  
10 BIT 10  
POWER AND GROUNDING  
9
8
7
6
5
4
3
2
1
BIT 9  
REF  
BIT 8  
+5V ANALOG SUPPLY  
+5V DIGITAL SUPPLY  
DIGITAL GROUND  
–5V SUPPLY  
22  
13  
DAC  
BIT 7  
3
BIT 6  
14  
BIT 5  
20  
BIT 4  
FLASH  
ADC  
2
BIT 3  
ANALOG GROUND  
19, 24  
BIT 2  
AMP  
BIT 1 (MSB)  
START CONVERT 18  
EOC 17  
TIMING AND  
CONTROL LOGIC  
Figure 1. ADS-943 Functional Block Diagram  
DATEL, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 USA  
•
Tel: (508) 339-3000  
•
www.datel.com  
•
e-mail: help@datel.com  
21 Aug 2015 MDA_ADS-943.C02 Page 1 of 9  
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