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ALD2721DB

更新时间： 2024-11-25 08:24:31
品牌 Logo 应用领域
先进线性 - ALD 运算放大器
页数 文件大小 规格书
10页 55K
描述
DUAL EPAD TM MICROPOWER OPERATIONAL AMPLIFIER

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ALD2721DB 技术参数

是否Rohs认证： 不符合生命周期：Contact Manufacturer
零件包装代码：DIP包装说明：CERDIP-14
针数：14Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.92放大器类型：OPERATIONAL AMPLIFIER
最大平均偏置电流 (IIB)：0.002 µA标称共模抑制比：83 dB
最大输入失调电压：150 µVJESD-30 代码：R-GDIP-T14
湿度敏感等级：1负供电电压上限：-6.6 V
标称负供电电压 (Vsup)：-2.5 V功能数量：2
端子数量：14最高工作温度：125 °C
最低工作温度：-55 °C封装主体材料：CERAMIC, GLASS-SEALED
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：225认证状态：Not Qualified
标称压摆率：0.7 V/us供电电压上限：6.6 V
标称供电电压 (Vsup)：2.5 V表面贴装：NO
技术：CMOS温度等级：MILITARY
端子形式：THROUGH-HOLE端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED标称均一增益带宽：700 kHz

ALD2721DB 数据手册

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A
L
D
DVANCED  
INEAR  
EVICES, INC.  
ALD2721E/ALD2721  
DUAL EPAD™ MICROPOWER OPERATIONAL AMPLIFIER  
KEY FEATURES  
BENEFITS  
•
Eliminates manual and elaborate  
system trimming procedures  
Remote controlled automated trimming  
In-System Programming capability  
No external components  
No internal clocking noise source  
Simple and cost effective  
Small package size  
Extremely small total functional  
volume size  
Low system implementation cost  
Micropower  
•
•
•
•
•
EPAD ( Electrically Programmable Analog Device)  
User programmable V trimmer  
Computer-assisted trimming  
Rail-to-rail input/output  
Compatible with standard EPAD Programmer  
OS  
•
•
•
•
•
•
•
• Each amplifier V  
can be trimmed to a different Vos level  
OS  
High precision through in-system circuit trimming  
•
•
•
•
•
•
Reduces or eliminates V , PSRR, CMRR and TCV  
errors  
OS  
OS  
System level “calibration” capability  
Application Specific Programming mode  
In-System Programming mode  
Electrically programmable to compensate for  
external component tolerances  
Achieves 0.01pA input bias current and 35µV  
input offset voltage with micropower  
Low voltage operation  
•
•
APPLICATIONS  
•
•
• Sensor interface circuits  
• Transducer biasing circuits  
• Capacitive and charge integration circuits  
• Biochemical probe interface  
• Signal conditioning  
GENERAL DESCRIPTION  
The ALD2721E/ALD2721 is a dual monolithic rail-to-rail precision CMOS  
operational amplifier with integrated user programmable EPAD (Electri-  
cally Programmable Analog Device) based offset voltage adjustment. The  
ALD2721E/ALD2721 is a dual version of the ALD1721E/ALD1721 opera-  
tional amplifier. Each ALD2721E/ALD2721 operational amplifier features  
individual, user-programmable offset voltage trimming resulting in signifi-  
cantly enhanced total system performance and user flexibility. EPAD  
technology is an exclusive ALD design which has been refined for analog  
applications where precision voltage trimming is necessary to achieve a  
desired performance. It utilizes CMOS FETs as in-circuit elements for  
trimming of offset voltage bias characteristics with the aid of a personal  
computer under software control. Once programmed, the set parameters  
are stored indefinitely. EPAD offers the circuit designer a convenient and  
cost-effective trimming solution for achieving the very highest amplifier/  
system performance.  
• Portable instruments  
• High source impedance electrode  
amplifiers  
• Precision Sample and Hold amplifiers  
• Precision current to voltage converter  
• Error correction circuits  
• Sensor compensation circuits  
• Precision gain amplifiers  
• Periodic In-system calibration  
• System output level shifter  
PIN CONFIGURATION  
The ALD2721E/ALD2721 dual operational amplifier features rail-to-rail  
input and output voltage ranges, tolerance to overvoltage input spikes of  
300mV beyond supply rails, capacitive loading up to 50pF, extremely low  
input currents of 0.01pA typical, high open loop voltage gain, useful  
bandwidth of 700KHz, slew rate of 0.7V/µs, and low typical supply current  
of 200µA for both amplifiers.  
-IN  
1
2
VE  
VE  
14  
13  
A
A
2A  
1A  
+IN  
-
V
12  
11  
OUT  
3
4
A
+
N/C  
N/C  
V
ORDERING INFORMATION  
Operating Temperature Range  
5
6
7
OUT  
VE  
10  
9
B
+IN  
1B  
B
B
-55°C to +125°C  
0°C to +70°C  
0°C to +70°C  
-IN  
VE  
2B  
14-Pin  
14-Pin  
14-Pin  
8
CERDIP  
Package  
Small Outline  
Package (SOIC)  
Plastic Dip  
Package  
TOP VIEW  
DB, PB, SB PACKAGE  
ALD2721E DB  
ALD2721 DB  
ALD2721E SB  
ALD2721 SB  
ALD2721E PB  
ALD2721 PB  
* Contact factory for industrial temperature range  
© 1998Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com  
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