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ADS-30639 PDF预览

ADS-30639

更新时间: 2024-11-05 18:58:59
品牌 Logo 应用领域
村田 - MURATA 转换器
页数 文件大小 规格书
6页 98K
描述
ADC, Proprietary Method, 14-Bit, 1 Func, 2 Channel, Parallel, Word Access, CDIP28, METAL SEALED, CERAMIC, DDIP-28

ADS-30639 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:DIP
包装说明:DIP,针数:28
Reach Compliance Code:compliantECCN代码:3A001.A.2.C
HTS代码:8542.39.00.01风险等级:5.73
最大模拟输入电压:2 V最小模拟输入电压:-2 V
转换器类型:ADC, PROPRIETARY METHODJESD-30 代码:R-CDIP-T28
JESD-609代码:e4最大线性误差 (EL):0.0183%
标称负供电电压:-5 V模拟输入通道数量:2
位数:14功能数量:1
端子数量:28最高工作温度:125 °C
最低工作温度:-55 °C输出位码:2'S COMPLEMENT BINARY
输出格式:PARALLEL, WORD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
认证状态:Not Qualified采样速率:6.4 MHz
采样并保持/跟踪并保持:TRACK座面最大高度:5.334 mm
标称供电电压:5 V表面贴装:NO
温度等级:MILITARY端子面层:GOLD (50) OVER NICKEL (100)
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:15.24 mmBase Number Matches:1

ADS-30639 数据手册

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®
®
ADS -3 0 6 3 9  
Dual, 14-Bit, 6.4MHz  
Sampling A/D Converter  
FEATURES  
14-bit resolution  
6.4MHz sampling rate  
Functionally complete  
No missing codes over full military temperature range  
Edge-triggered, 1.7 Watts  
Small, 28-pin, ceramic DDIP  
Ideal for both time and frequency-domain applications  
INPUT/OUTPUT CONNECTIONS  
PIN  
FUNCTION  
PIN  
FUNCTION  
GENERAL DESCRIPTION  
1
2
INPUT "A"  
RANGE  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
INPUT "B"  
–5V  
The low-cost ADS-30639 is a dual 14-bit, 6.4MHz sampling  
A/D converter. This device accurately samples full-scale input  
signals up to Nyquist frequencies with no missing codes. The  
dynamic performance of the ADS-30639 has been optimized to  
achieve a signal-to-noise ratio (SNR) of 78dB and a total  
harmonic distortion (THD) of –80dB. Each channel is  
completely independant allowing operation with independant  
analog inputs and start convert signals.  
3
+2.5V REFERENCE  
ANALOG GROUND  
+5VA  
+15V  
4
5
+5VD  
DIGITAL GROUND  
START CONVERT "B"  
ENABLE  
BIT 1 (MSB)  
BIT 2  
6
START CONVERT "A"  
SELECT  
BIT 14 (LSB)  
BIT 13  
7
8
9
Packaged in a miniature 28-pin DDIP, the functionally complete  
ADS-30639 contains two individual fast-settling sample-hold  
amplifiers and subranging A/D converters, along with an  
internal reference, timing/control logic, and error-correction  
circuitry. Digital input and output levels are TTL. The ADS-  
30639 only requires the rising edge of the start convert pulse  
to operate.  
10  
11  
12  
13  
14  
BIT 12  
BIT 11  
BIT 3  
BIT 4  
BIT 10  
BIT 5  
BIT 9  
BIT 8  
BIT 6  
BIT 7  
Requiring only ±5V and +15V supplies, the ADS-30639  
dissipates 1.7 Watts. The device is offered with a bipolar  
(±2.0V) analog input range. Model is available for use in –55  
to +125°C operating temperature range. A proprietary, auto-  
calibrating, error-correcting circuit enables the device to  
achieve specified performance over the full military  
temperature range. Typical applications include medical  
imaging, radar, sonar, communications and instrumentation.  
SUBRANGING  
A/D  
ANALOG INPUT "A"  
1
T/H  
8
9
BIT 14 (LSB)  
BIT 13  
"A"  
10 BIT 12  
11 BIT 11  
12 BIT 10  
13 BIT 9  
14 BIT 8  
15 BIT 7  
16 BIT 6  
17 BIT 5  
18 BIT 4  
19 BIT 3  
20 BIT 2  
21 BIT 1 (MSB)  
POWER AND GROUNDING  
+5V ANALOG SUPPLY  
5
+5V DIGITAL SUPPLY  
+15V SUPPLY  
25  
26  
27  
4
5V SUPPLY  
ANALOG GROUND  
DIGITAL GROUND  
24  
SUBRANGING  
ANALOG INPUT "B" 28  
T/H  
A/D  
"B"  
START CONVERT "A"  
6
TIMING AND  
CONTROL  
LOGIC  
7
SELECT  
START CONVERT "B" 23  
22 ENABLE  
Figure 1. ADS-30639 Functional Block Diagram  
DATEL, Inc., Mansfield, MA 02048 (USA) Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 E-mail: sales@datel.com Internet: www.datel.com  

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