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AD7274BUJ-REEL PDF预览

AD7274BUJ-REEL

更新时间: 2024-02-06 01:45:53
品牌 Logo 应用领域
亚德诺 - ADI 转换器模数转换器光电二极管
页数 文件大小 规格书
20页 235K
描述
3MSPS,10-/12-Bit ADCs in 8-Lead TSOT

AD7274BUJ-REEL 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:TSSOP
包装说明:MO-193BA, TSOT-8针数:8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.38
最大模拟输入电压:2.5 V最小模拟输入电压:
最长转换时间:0.27 µs转换器类型:ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:2.9 mm最大线性误差 (EL):0.0244%
模拟输入通道数量:1位数:12
功能数量:1端子数量:8
最高工作温度:85 °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:VSSOP
封装等效代码:TSSOP8,.1封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):220
电源:2.5/3.3 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 mm子类别:Analog to Digital Converters
标称供电电压:3 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
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:1.6 mmBase Number Matches:1

AD7274BUJ-REEL 数据手册

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PRELIMINARYTECHNICALDATA  
3MSPS,10-/12-Bit  
a
Preliminary Technical Data  
ADCs in 8-Lead TSOT  
AD7273/AD7274  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Fast Throughput Rate: 3MSPS  
Specified for VDD of 2.35 V to 3.6V  
Low Power:  
13.5 mW max at 3MSPS with 3V Supplies  
Wide Input Bandwidth:  
V
GND  
DD  
70dB SNR at 1MHz Input Frequency  
Flexible Power/Serial Clock Speed Management  
No Pipeline Delays  
High Speed Serial Interface  
SPITM/QSPITM/MICROWIRETM/DSPCompatible  
Power Down Mode: 1µA max  
8-Lead TSOT Package  
10-/12-BIT  
SUCCESSIVE  
APPROXIMATION  
ADC  
V
V
T/H  
IN  
REF  
8-Lead MSOP Package  
SCLK  
CONTROL  
LOGIC  
SDATA  
APPLICATIONS  
Battery-Powered Systems  
Personal Digital Assistants  
Medical Instruments  
AD7273/AD7274  
MobileCommunications  
Instrumentation and Control Systems  
Data Acquisition Systems  
High-SpeedModems  
GND  
Optical Sensors  
GENERAL DESCRIPTION  
PRODUCT HIGHLIGHTS  
The AD7273/AD7274 are 10-bit and 12-bit, high speed,  
low power, successive-approximation ADCs respectively.  
The parts operate from a single 2.35V to 3.6 V power  
supply and feature throughput rates up to 3 MSPS. The  
parts contain a low-noise, wide bandwidth track/hold am-  
plifier which can handle input frequencies in excess of  
TBD MHz.  
1. 3MSPS ADCs in an 8-lead TSOT package.  
2. High Throughput with Low Power Consumption.  
3. Flexible Power/Serial Clock Speed Management.  
The conversion rate is determined by the serial clock  
allowing the conversion time to be reduced through the  
serial clock speed increase. This allows the average  
power consumption to be reduced when a power-down  
mode is used while not converting. The AD7273/  
AD7274 features a power down mode to maximize  
power efficiency at lower throughput rates. Current con-  
sumption is 1 µA max when in Power Down mode.  
The conversion process and data acquisition are controlled  
using CS and the serial clock, allowing the devices to  
interface with microprocessors or DSPs. The input signal  
is sampled on the falling edge of CS and the conversion is  
also initiated at this point. The conversion rate is deter-  
mined by the SCLK. There are no pipeline delays associ-  
ated with the part.  
4. Reference can be driven up to the power supply.  
5. No Pipeline Delay.  
The AD7273/AD7274 use advanced design techniques to  
achieve very low power dissipation at high throughput  
rates.  
The parts feature a standard successive-approximation  
ADC with accurate control of the sampling instant via a  
CS input and once-off conversion control.  
The reference for the parts is applied externally and can  
be in the range of 1.2V to VDD. This allows the widest  
dynamic input range to the ADC.  
REV. PrB (6/04)  
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 ofAnalog Devices.Trademarks  
and registered tradermarks are the property of their respective companies.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
World Wide Web Site: http://www.analog.com  
Analog Devices, Inc., 2004  

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