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ADS-942A PDF预览

ADS-942A

更新时间: 2024-02-10 08:10:54
品牌 Logo 应用领域
其他 - ETC 转换器
页数 文件大小 规格书
6页 79K
描述
14-Bit, 2MHz, Low-Power Sampling A/D Converters

ADS-942A 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP, DIP32,.9
针数:32Reach Compliance Code:unknown
ECCN代码:3A001.A.2.CHTS代码:8542.39.00.01
风险等级:5.4Is Samacsys:N
最大模拟输入电压:10 V转换器类型:ADC, PROPRIETARY METHOD
JESD-30 代码:R-XDIP-T32JESD-609代码:e0
最大线性误差 (EL):0.015%标称负供电电压:-15 V
模拟输入通道数量:1位数:14
功能数量:1端子数量:32
最高工作温度:125 °C最低工作温度:-55 °C
输出位码:BINARY输出格式:PARALLEL, WORD
封装主体材料:UNSPECIFIED封装代码:DIP
封装等效代码:DIP32,.9封装形状:RECTANGULAR
封装形式:IN-LINE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:2 MHz座面最大高度:4.9 mm
子类别:Analog to Digital Converters标称供电电压:15 V
表面贴装:NO技术:HYBRID
温度等级:MILITARY端子面层:Tin/Lead (Sn/Pb)
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:22.9 mmBase Number Matches:1

ADS-942A 数据手册

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®
®
ADS -9 4 2 A  
14-Bit, 2MHz, Low-Power  
Sampling A/D Converters  
FEATURES  
14-bit resolution  
2MHz minimum throughput  
Low-power, 2.2 Watts  
Functionally complete  
Internal reference and S/H amplifier  
78dB signal-to-noise ratio  
Full Nyquist-rate sampling  
Small 32-pin TDIP  
INPUT/OUTPUT CONNECTIONS  
GENERAL DESCRIPTION  
PIN  
FUNCTION  
PIN  
FUNCTION  
DATEL's ADS-942A is a functionally complete, 14-bit, 2MHz,  
sampling A/D converter. Packaged in a 32-pin TDIP, the unit  
contains a fast-settling sample/hold amplifier, a 14-bit  
subranging (two-pass) A/D converter, a precision reference,  
three-state output register, and all the timing/control logic  
necessary to operate from a single start convert pulse.  
1
2
3
+10V REF. OUT  
BIPOLAR  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
START CONVERT  
BIT 1 OUT (MSB)  
BIT 1 OUT (MSB)  
BIT 2 OUT  
AVALOG INPUT  
SIGNAL GROUND  
OFFSET ADJUST  
ANALOG GROUND  
OVERFLOW  
4
5
BIT 3 OUT  
The ADS-942A is optimized for wideband frequency-domain  
applications and is fully FFT tested. The ADS-942A requires  
±15V and ±5V supplies and typically consumes 2.2 Watts  
6
BIT 4 OUT  
7
BIT 5 OUT  
8
9
CODING SELECT  
ENABLE  
BIT 6 OUT  
BIT 7 OUT  
10  
11  
12  
13  
14  
15  
16  
+5V SUPPLY  
BIT 8 OUT  
DIGITAL GROUND  
+15V SUPPLY  
–15V SUPPLY  
–5V SUPPLY  
ANALOG GROUND  
EOC  
BIT 9 OUT  
BIT 10 OUT  
BIT 11 OUT  
BIT 12 OUT  
BIT 13 OUT  
BIT 14 OUT (LSB)  
DAC  
31 BIT 1 OUT (MSB)  
30 BIT 1 OUT (MSB)  
29 BIT 2 OUT  
REF  
+10V REF. OUT  
1
28 BIT 3 OUT  
OFFSET  
CIRCUIT  
2
S
27 BIT 4 OUT  
OFFSET ADJUST  
BIPOLAR  
5
2
26 BIT 5 OUT  
FLASH  
ADC  
25 BIT 6 OUT  
S1  
24 BIT 7 OUT  
BUFFER  
23 BIT 8 OUT  
22 BIT 9 OUT  
S/H  
ANALOG INPUT  
3
21 BIT 10 OUT  
20 BIT 11 OUT  
19 BIT 12 OUT  
18 BIT 13 OUT  
17 BIT 14 OUT (LSB)  
START CONVERT 32  
EOC 16  
TIMING AND  
CONTROL LOGIC  
9
7
ENABLE  
OVERFLOW  
4
10  
11  
12  
13  
14  
6, 15  
8
SIGNAL  
GROUND  
+5V  
SUPPLY  
DIGITAL  
GROUND  
+15V  
SUPPLY  
–15V  
SUPPLY  
–5V  
SUPPLY  
ANALOG  
GROUND  
CODING  
SELECT  
Figure 1. ADS-942A Functional Block Diagram  
DATEL, Inc., 11 Cabot Boulevard, Mansfield, MA 02048-1151 (U.S.A.)  
Tel: (508) 339-3000 Fax: (508) 339-6356 For immediate assistance: (800) 233-2765  

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