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ADS-926GC PDF预览

ADS-926GC

更新时间: 2024-10-02 20:18:03
品牌 Logo 应用领域
村田 - MURATA 转换器
页数 文件大小 规格书
9页 381K
描述
ADC, Flash Method, 14-Bit, 1 Func, 1 Channel, Parallel, Word Access, Hybrid, CDSO24, METAL SEALED, CERAMIC, SMT-24

ADS-926GC 技术参数

是否无铅: 不含铅是否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:EAR99
HTS代码:8542.39.00.01风险等级:5.22
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:0.5 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:-12 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:70 °C最低工作温度:
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,+-15 V认证状态:Not Qualified
采样速率:0.5 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:12 V表面贴装:YES
技术:HYBRID温度等级:COMMERCIAL
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-926GC 数据手册

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ADS-926  
14-Bit, 500kHz, Low-Power Sampling A/D Converters  
PRODUCT OVERVIEW  
The ADS-926 is a high-performance, 14-bit,  
500kHz sampling A/D converter. This device  
accurately samples full-scale input signals up to  
Nyquist frequencies with no missing codes and  
exhibits outstanding dynamic performance that  
surpasses most 16-bit, 500kHz sampling A/D's.  
THD and SNR, for example, are typically –90dB  
and 80dB when converting fullscale input signals  
up to 100kHz.  
Housed in a small 24-pin DDIP or SMT (gull-  
wing) package, the functionally complete ADS-926  
contains a fast-settling sample-hold amplifier, a  
subranging (two-pass) A/D converter, a precise  
voltage reference, timing/control logic, and error-  
correction circuitry. Digital input and output levels  
are TTL. The ADS-926-2 series provide MSB at Pin  
18 instead of MSB for two’s complement output  
coding.  
Requiring 15ꢀ (or 12ꢀ) and ꢁ5ꢀ supplies,  
the ADS-926 dissipates only 1.75W (1.6W for  
12ꢀ), maximum. The unit is offered with a bipolar  
input (–5ꢀ to ꢁ5ꢀ). Models are available for use  
in either commercial (0 to ꢁ70°C), industrial (–40  
to ꢁ100°C), or HI-REL (–55 to ꢁ125°C) operating  
temperature ranges.  
Applications include radar, sonar, spectrum  
analysis, and graphic/medical imaging. Contact  
DATEL for information on devices screened to  
MIL-STD-883.  
FEATURES  
„
„
„
„
„
14-bit resolution  
500kHz sampling rate  
INPUT/OUTPUT CONNECTIONS  
Functionally complete; No missing codes  
Small 24-pin DDIP or SMT package  
PIN FUNCTION  
PIN FUNCTION  
1
BIT 14 (LSB)  
BIT 13  
BIT 12  
BIT 11  
BIT 10  
BIT 9  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
–12ꢀ/–15ꢀ SUPPLY  
2
ANALOG GROUND  
ꢁ12ꢀ/ꢁ15ꢀ SUPPLY  
ꢁ10ꢀ REFERENCE OUT  
ANALOG INPUT  
ANALOG GROUND  
BIT 1 (MSB)*  
Operates from 15ꢀ or 12ꢀ supplies  
ꢁ5ꢀ supply  
3
4
„
„
„
„
Low power, 1.75 Watts maximum  
Samples up to Nyquist frequencies  
Outstanding dynamic performance  
5
6
7
BIT 8  
8
BIT 7  
BIT 2  
Bipolar 5ꢀ input range (for unipolar 0 to 10ꢀ  
input range see ADS-916)  
9
BIT 6  
START CONꢀERT  
EOC  
10  
11  
12  
BIT 5  
BIT 4  
DIGITAL GROUND  
ꢁ5ꢀ SUPPLY  
„
For two’s complement output coding, please  
order ADS-926-2 models  
BIT 3  
*MSB for ADS-926-2 models  
BLOCK DIAGRAM  
DAC  
18 BIT 1 (MSB)  
17 BIT 2  
+10V REF. OUT 21  
REF  
12 BIT 3  
11 BIT 4  
2
1
S
S
10 BIT 5  
FLASH  
ADC  
9
8
7
6
5
4
3
2
1
BIT 6  
BIT 7  
S/H  
BIT 8  
BUFFER  
BIT 9  
ANALOG INPUT 20  
+
BIT 10  
BIT 11  
BIT 12  
BIT 13  
BIT 14 (LSB)  
START CONVERT 16  
EOC 15  
TIMING AND  
CONTROL LOGIC  
13  
+5V SUPPLY  
14  
DIGITAL GROUND  
22  
+12V/+15V SUPPLY  
19, 23  
ANALOG GROUND  
24  
–12V/–15V SUPPLY  
Figure 1. ADS-926 Functional Block Diagram  
DATEL, Inc. 11 Cabot Boulevard, Manseld, MA 02048-1151 USA  
Tel: (508) 339-3000  
www.datel.com  
e-mail: help@datel.com  
02 Oct 2015 MDA_ADS-926.C03.D1 Page 1 of 9  

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