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AD8475ACPZ-RL PDF预览

AD8475ACPZ-RL

更新时间： 2024-02-17 16:52:10
品牌 Logo 应用领域
亚德诺 - ADI 运算放大器放大器电路
页数 文件大小 规格书
24页 554K
描述
Precision, Selectable Gain, Fully Differential Funnel Amplifier

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AD8475ACPZ-RL 技术参数

Source Url Status Check Date：2013-05-01 14:56:26.504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,
针数：10Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.31.00.01
风险等级：5.18Is Samacsys：N
放大器类型：OPERATIONAL AMPLIFIER标称共模抑制比：86 dB
最大输入失调电压：200 µVJESD-30 代码：S-PDSO-G10
JESD-609代码：e3长度：3 mm
湿度敏感等级：1功能数量：1
端子数量：10最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装形状：SQUARE
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.1 mm
标称压摆率：50 V/us子类别：Operational Amplifier
供电电压上限：11 V标称供电电压 (Vsup)：5 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：3 mm
Base Number Matches：1

AD8475ACPZ-RL 数据手册

 浏览型号AD8475ACPZ-RL的Datasheet PDF文件第2页浏览型号AD8475ACPZ-RL的Datasheet PDF文件第3页浏览型号AD8475ACPZ-RL的Datasheet PDF文件第4页浏览型号AD8475ACPZ-RL的Datasheet PDF文件第5页浏览型号AD8475ACPZ-RL的Datasheet PDF文件第6页浏览型号AD8475ACPZ-RL的Datasheet PDF文件第7页 
Precision, Selectable Gain,  
Fully Differential Funnel Amplifier  
AD8475  
FUNCTIONAL BLOCK DIAGRAMS  
FEATURES  
Precision attenuation: G = 0.4, G = 0.8  
Fully differential or single-ended input/output  
Differential output designed to drive precision ADCs  
Drives switched capacitor and Σ-Δ ADCs  
Rail-to-rail output  
VOCM pin adjusts output common mode  
Robust overvoltage protection up to 15 V (VS = +5 V)  
Single supply: 3 V to 10 V  
Dual supplies: 1.5 V to 5 V  
High performance  
Suited for driving 18-bit converter up to 4 MSPS  
10 nV/√Hz output noise  
1kΩ  
+IN 0.4x  
+IN 0.8x  
–IN 0.8x  
–IN 0.4x  
1
2
3
4
12 NC  
1.25kΩ  
1.25kΩ  
1.25kΩ  
1.25kΩ  
11 –OUT  
10 +OUT  
AD8475  
1kΩ  
9
VOCM  
3 ppm/°C gain drift  
500 μV maximum output offset  
50 V/μs slew rate  
NC = NO CONNECT  
Low power: 3.2 mA supply current  
Figure 1. 16-Lead LFCSP  
APPLICATIONS  
ADC drivers  
Differential instrumentation amplifier building blocks  
Single-ended-to-differential converters  
1kΩ  
1.25kΩ  
GENERAL DESCRIPTION  
The AD8475 is a fully differential, attenuating amplifier with  
integrated precision gain resistors. It provides precision attenuation  
(by 0.4 or 0.8), common-mode level shifting, and single-ended-to-  
differential conversion along with input overvoltage protection.  
Power dissipation on a single 5 V supply is only 16 mW.  
1.25kΩ  
AD8475  
1.25kΩ  
1kΩ  
1.25kΩ  
The AD8475 is a simple to use, fully integrated precision gain  
block, designed to process signal levels of up to 10 V on a single  
supply. It provides a complete interface to make industrial level  
signals directly compatible with the differential input ranges of low  
voltage high performance 16-bit or 18-bit single-supply successive  
approximation (SAR) analog-to-digital converters (ADCs).  
NC = NO CONNECT  
Figure 2. 10-Lead MSOP  
The AD8475 works extremely well with SAR, Σ-Δ, and pipeline  
converters. The high current output stage of the part allows it to  
drive the switched capacitor front-end circuits of many ADCs with  
minimal error.  
The AD8475 comes with two standard pin-selectable gain  
options: 0.4 and 0.8. The gain of the part is set by driving the  
input pin corresponding to the appropriate gain.  
Unlike many differential drivers in the market, the AD8475 is a  
high precision amplifier. With 500 μV maximum output offset,  
10 nV/√Hz output noise, and −112 dB THD + N, the AD8475  
pairs well with high accuracy converters. Considering its low power  
consumption and high precision, the slew-enhanced AD8475 has  
excellent speed, settling to 18-bit precision for 4 MSPS acquisition.  
The AD8475 also provides overvoltage protection from large  
industrial input voltages up to 15 V while operating on a single  
5 V supply. The VOCM pin adjusts the output voltage common  
mode for precision level shifting, to match the ADC’s input range  
and maximize dynamic range.  
The AD8475 is available in a space-saving 16-lead 3 mm × 3 mm  
LFCSP package and a 10-lead MSOP package. It is fully specified  
over the −40°C to +85°C temperature range.  
Rev. B  
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  
www.analog.com  
Fax: 781.461.3113 ©2010–2011 Analog Devices, Inc. All rights reserved.  
 
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