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5962-9063201M3A PDF预览

5962-9063201M3A

更新时间: 2024-01-28 00:24:39
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
12页 252K
描述
Complete 12-Bit, 100 kHz, Sampling ADC (AD7870/AD7870A)

5962-9063201M3A 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:QLCC
包装说明:QCCN, LCC28,.45SQ针数:28
Reach Compliance Code:not_compliantECCN代码:3A001.A.2.C
HTS代码:8542.39.00.01风险等级:5.26
最大模拟输入电压:3 V最小模拟输入电压:-3 V
最长转换时间:9 µs转换器类型:ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码:S-CQCC-N28JESD-609代码:e4
最大线性误差 (EL):0.0244%标称负供电电压:-5 V
模拟输入通道数量:1位数:12
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:BINARY输出格式:SERIAL, PARALLEL, WORD
封装主体材料:CERAMIC, METAL-SEALED COFIRED封装代码:QCCN
封装等效代码:LCC28,.45SQ封装形状:SQUARE
封装形式:CHIP CARRIER峰值回流温度(摄氏度):NOT APPLICABLE
电源:+-5 V认证状态:Qualified
采样并保持/跟踪并保持:TRACK筛选级别:MIL-STD-883
子类别:Analog to Digital Converters标称供电电压:5 V
表面贴装:YES技术:CMOS
温度等级:MILITARY端子面层:Gold (Au)
端子形式:NO LEAD端子节距:1.27 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT APPLICABLE
Base Number Matches:1

5962-9063201M3A 数据手册

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LC2MOS  
a
Complete, 12-Bit, 100 kHz , Sampling ADC  
AD7870A  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Complete Monolithic 12-Bit ADC with:  
2 s Track/Hold Amplifier  
8 s A/D Converter  
On-Chip Reference  
Laser-Trimmed Clock  
Parallel, Byte and Serial Digital Interface  
70 dB SNR at 10 kHz Input Frequency  
57 ns Data Access Time  
Low Power—60 mW typ  
APPLICATIONS  
Digital Signal Processing  
Speech Recognition and Synthesis  
Spectrum Analysis  
High Speed Modems  
DSP Servo Control  
GENERAL DESCRIPTION  
The AD7870A is a fast, complete, 12-bit A/D converter. It con-  
sists of a track/hold amplifier, 8 µs successive approximation  
ADC, 3 V buried Zener reference and versatile interface logic.  
The ADC features a self-contained internal clock that is laser  
trimmed to guarantee accurate control of conversion time. No  
external clock timing components are required; the on-chip  
clock may be overridden by an external clock if required.  
PRODUCT HIGHLIGHTS  
1. Complete 12-bit ADC on a chip.  
AD7870A offers a choice of three data output formats: a single,  
parallel, 12-bit word, two 8-bit bytes or serial data. Fast bus  
access times and standard control inputs ensure easy interfacing  
to modern microprocessors and digital signal processors.  
The AD7870A is the most complete monolithic ADC avail-  
able and combines a 12-bit ADC with internal clock, track/  
hold amplifier and reference on a single chip.  
The AD7870A operates from ±5 V power supplies, accepts  
bipolar input signals of ±3 V and can convert full power signals  
up to 50 kHz.  
2. Dynamic specifications for DSP users.  
The AD7870A is fully specified and tested for ac parameters,  
including signal-to-noise ratio, harmonic distortion and inter-  
modulation distortion. Key digital timing parameters are also  
tested and guaranteed over the full operating temperature  
range.  
In addition to the traditional dc accuracy specifications such as  
linearity, full-scale and offset errors, the AD7870A is also fully  
specified for dynamic performance parameters including har-  
monic distortion and signal-to-noise ratio.  
3. Fast microprocessor interface.  
The AD7870A is fabricated in Analog Devices’ linear compati-  
ble CMOS (LC2MOS) process, a mixed technology process that  
combines precision bipolar circuits with low power CMOS logic.  
The part is available in a 24-pin, 0.3-inch wide, plastic dual in-  
line package (DIP).  
Data access times of 57 ns make the AD7870A compatible  
with modern 8- and 16-bit microprocessors and digital signal  
processors.  
REV. 0  
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  
World Wide Web Site: http://www.analog.com  
© Analog Devices, Inc., 1997  

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