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AD7298-1BCPZ PDF预览

AD7298-1BCPZ

更新时间： 2024-01-16 22:36:09
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
25页 764K
描述
8-Channel, 1 MSPS, 10-Bit SAR ADC

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AD7298-1BCPZ 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：QFN
包装说明：HVQCCN, LCC20,.16SQ,20针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：1.83
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：0.95 µs转换器类型：ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码：S-XQCC-N20JESD-609代码：e3
长度：4 mm最大线性误差 (EL)：0.0488%
湿度敏感等级：1模拟输入通道数量：8
位数：10功能数量：1
端子数量：20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：UNSPECIFIED
封装代码：HVQCCN封装等效代码：LCC20,.16SQ,20
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260电源：3/3.3 V
认证状态：Not Qualified采样速率：1 MHz
采样并保持/跟踪并保持：SAMPLE座面最大高度：0.8 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：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：30宽度：4 mm
Base Number Matches：1

AD7298-1BCPZ 数据手册

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8-Channel, 1 MSPS, 10-Bit SAR ADC  
AD7298-1  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
V
DD  
GND  
10-bit SAR ADC  
8 single-ended inputs  
V
REF  
Channel sequencer functionality  
Fast throughput of 1 MSPS  
Analog input range: 0 V to 2.5 V  
Temperature range: −40°C to +125°C  
Specified for VDD of 2.8 V to 3.6 V  
Logic voltage VDRIVE = 1.65 V to 3.6 V  
Power-down current: <10 µA  
Internal 2.5 V reference  
REF  
BUF  
10-BIT  
V
IN0  
IN7  
SUCCESSIVE  
APPROXIMATION  
ADC  
T/H  
INPUT  
MUX  
AD7298-1  
V
SEQUENCER  
Internal power-on reset  
High speed serial interface SPI  
20-lead LFCSP  
SCLK  
DOUT  
DIN  
CONTROL  
LOGIC  
CS  
V
DRIVE  
PD/RST  
Figure 1.  
GENERAL DESCRIPTION  
The AD7298-1 is a 10-bit, high speed, low power, 8-channel,  
successive approximation ADC. The part operates from a single  
3.3 V power supply and features throughput rates up to 1 MSPS.  
The device contains a low noise, wide bandwidth track-and-hold  
amplifier that can handle input frequencies in excess of 30 MHz.  
PRODUCT HIGHLIGHTS  
1. Ideally Suited to Monitoring System Variables in a Variety  
of Systems. This includes telecommunications, and process  
and industrial control.  
2. High Throughput Rate of 1 MSPS with Low Power  
Consumption.  
3. Eight Single-Ended Inputs with a Channel Sequencer. A  
consecutive sequence of channels can be selected on which  
the ADC cycles and converts.  
The AD7298-1 offers a programmable sequencer, which enables  
the selection of a preprogrammable sequence of channels for  
conversion. The device has an on-chip, 2.5 V reference that can  
be disabled to allow the use of an external reference.  
The device offers a 4-wire serial interface compatible with SPI and  
DSP interface standards.  
The AD7298-1 uses advanced design techniques to achieve very  
low power dissipation at high throughput rates. The part also  
offers flexible power/throughput rate management options. The  
part is offered in a 20-lead LFCSP package.  
Rev. A  
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  
rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
www.analog.com  
Fax: 781.461.3113 ©2010–2011 Analog Devices, Inc. All rights reserved.  
 
 
 
 
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