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AD7352 PDF预览

AD7352

更新时间： 2024-02-16 11:08:33
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
17页 196K
描述
Differential Input,Dual,Simultaneous Sampling, 4.25 MSPS, 14-Bit, SAR ADC

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AD7352 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：TSSOP
包装说明：TSSOP, TSSOP16,.25针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.28
Is Samacsys：N转换器类型：ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码：R-PDSO-G16JESD-609代码：e3
长度：5 mm最大线性误差 (EL)：0.0244%
湿度敏感等级：1模拟输入通道数量：1
位数：12功能数量：2
端子数量：16最高工作温度：125 °C
最低工作温度：-40 °C输出位码：BINARY
输出格式：SERIAL封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260电源：2.5 V
认证状态：Not Qualified采样速率：3 MHz
采样并保持/跟踪并保持：TRACK座面最大高度：1.2 mm
子类别：Analog to Digital Converters标称供电电压：2.5 V
表面贴装：YES技术：CMOS
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：4.4 mmBase Number Matches：1

AD7352 数据手册

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Differential Input,Dual,Simultaneous  
Sampling, 4.25 MSPS, 14-Bit, SAR ADC  
AD7357  
Preliminary Technical Data  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Vdrive  
Vdd  
Dual 14-bit SAR ADC  
Simultaneous Sampling  
AD7357  
Throughput rate: 4.25 MSPS Per Channel  
Specified for VDD of 2.5 V  
Power dissipation:  
14-BIT  
SUCCESSIVE  
APPROXIMATION  
ADC  
V
V
IN  
A+  
A-  
SDATA  
A
T/H  
IN  
35 mW at 4.25 MSPS  
On-chip reference:  
BUF  
BUF  
2.048 V 0.5% max @ 25°C, 10ppm/°C  
Dual conversion with read  
High speed serial interface:  
SPI®-/QSPI™-/MICROWIRE™-/DSP-compatible  
−40°C to +125°C operation  
Shutdown mode: 10 µA max  
16-lead TSSOP package  
SCLK  
CS  
CONTROL  
LOGIC  
REF  
14-BIT  
SUCCESSIVE  
APPROXIMATION  
ADC  
V
IN  
B+  
T/H  
V
IN  
B-  
SDATA  
B
AGND  
REFGND  
AGND  
DGND  
Figure 1.  
GENERAL DESCRIPTION  
PRODUCT HIGHLIGHTS  
The AD73571 is a dual, 14-bit, high speed, low power, successive  
approximation ADC that operates from a single 2.5 V power supply  
and features throughput rates up to 4.25 MSPS. The part contains  
two ADCs, each preceded by a low noise, wide bandwidth track-  
and-hold circuit that can handle input frequencies in excess of  
200 MHz.  
1. Two Complete ADC Functions Allow Simultaneous Sampling  
and Conversion of Two Channels.  
The conversion result of both channels is simultaneously  
available on separate data lines or in succession on one data  
line if only one serial port is available.  
2. High Throughput with Low Power Consumption.  
The AD7357 offers a 4.25 MSPS throughput rate with 35 mW  
power consumption.  
The conversion process and data acquisition use standard control  
inputs allowing for easy interfacing to microprocessors or DSPs.  
CS  
The input signal is sampled on the falling edge of ; conversion is  
also initiated at this point. The conversion time is determined by  
the SCLK frequency.  
3. The part features two standard successive approximation  
ADCs with accurate control of the sampling instant via a  
The AD7357 uses advanced design techniques to achieve very low  
power dissipation at high throughput rates. With 2.5 V supply and  
a 4.25 MSPS throughput rate, the part consumes 14 mA typically.  
The part also offers flexible power/throughput rate management  
when operating in normal mode as the quiescent current  
consumption is so low.  
CS  
input and once off conversion control.  
1 Protected by U.S. Patent No. 6,681,332  
Table 1: Related Devices.  
Generic  
AD7356  
AD7352  
Resolution  
Throughput Analog Input  
12  
12  
5MSPS  
3MSPS  
Differential  
Differential  
The analog input range for the part is the differential common  
mode +/- Vref/2. The AD7357 has an on-chip 2.048 V reference  
that can be overdriven when an external reference is preferred.  
The AD7357 is available in a 16-lead thin shrink small outline  
package (TSSOP).  
Rev. PrD  
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 that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2007 Analog Devices, Inc. All rights reserved.  
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