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ALD2701ADA

更新时间: 2024-11-08 22:47:47
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描述
DUAL MICROPOWER RAIL-TO-RAIL CMOS OPERATIONAL AMPLIFIER

ALD2701ADA 数据手册

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A
L
D
DVANCED  
INEAR  
EVICES, INC.  
ALD2701A/ALD2701B  
ALD2701  
DUAL MICROPOWER RAIL-TO-RAIL CMOS OPERATIONAL AMPLIFIER  
GENERAL DESCRIPTION  
FEATURES  
The ALD2701 is a dual monolithic CMOS micropower high slew rate  
operational amplifier intended for a broad range of analog applications  
using ±1V to ±6V dual power supply systems, as well as +2V to +12V  
battery operated systems. All device characteristics are specified for +5V  
single supply or ±2.5V dual supply systems. Supply current is 500µA  
maximum at 5V supply voltage. It is manufactured with Advanced Linear  
Devices' enhanced ACMOS silicon gate CMOS process.  
• All parameters specified for +5V single  
supply or ±2.5V dual supply systems  
• Rail to rail input and output voltage ranges  
• Unity gain stable  
• Extremely low input bias currents -- 1.0pA  
• High source impedance applications  
• Dual power supply ±1.0V to ±6.0V  
• Single power supply +2V to +12V  
• High voltage gain  
• Output short circuit protected  
• Unity gain bandwidth of 0.7MHz  
• Slew rate of 0.7V/µs  
• Low power dissipation  
• Symmetrical output drive  
The ALD2701 is designed to offer a trade-off of performance parameters  
providing a wide range of desired specifications. It offers the popular  
industry standard pin configuration of µA747 and ICL7621 types.  
The ALD2701 has been developed specifically for the +5V single supply or  
±1V to ±6V dual supply user. Several important characteristics of the  
device make application easier to implement at those voltages.  
First, each operational amplifier can operate with rail-to-rail input and  
output voltages. This means the signal input voltage and output voltage  
can be equal to the positive and negative supply voltages. This feature  
allows numerous analog serial stages and flexibility in input signal bias  
levels. Secondly, each device was designed to accommodate mixed  
applications where digital and analog circuits may operate off the same  
power supply or battery. Thirdly, the output stage can typically drive up to  
50pF capacitive and 10Kresistive loads.  
APPLICATIONS  
• Voltage follower/buffer/amplifier  
• Charge integrator  
• Photodiode amplifier  
• Data acquisition systems  
• High performance portable instruments  
• Signal conditioning circuits  
• Sensor and transducer amplifiers  
• Low leakage amplifiers  
• Active filters  
These features, combined with extremely low input currents, high open  
loop voltage gain of 100V/mV, useful bandwidth of 700KHz, a slew rate of  
0.7V/µs,lowpowerdissipationof0.5mW,lowoffsetvoltageandtemperature  
drift, maketheALD2701aversatile, micropowerdualoperationalamplifier.  
• Sample/Hold amplifier  
• Picoammeter  
• Current to voltage converter  
TheALD2701,designedandfabricatedwithsilicongateCMOStechnology,  
offers1pAtypicalinputbiascurrent. Onchipoffsetvoltagetrimmingallows  
the device to be used without nulling in most applications.  
Due to low voltage and low power operation, reliability and operating  
characteristics, such as input bias currents and warm up time, are greatly  
improved.  
PIN CONFIGURATION  
ORDERING INFORMATION  
Operating Temperature Range  
+
V
8
7
1
2
OUT  
-IN  
A
A
-55°C to +125°C  
0°C to +70°C  
0°C to +70°C  
OUT  
-IN  
B
8-Pin  
8-Pin  
8-Pin  
3
4
6
5
+IN  
CERDIP  
Package  
Small Outline  
Package (SOIC)  
Plastic Dip  
Package  
B
A
-
V
+IN  
B
ALD 2701A DA  
ALD 2701B DA  
ALD 2701 DA  
ALD 2701A SA  
ALD 2701B SA  
ALD 2701 SA  
ALD 2701A PA  
ALD 2701B PA  
ALD 2701 PA  
TOP VIEW  
DA, PA, SA PACKAGE  
* Contact factory for industrial temperature range  
© 1998 Advanced Linear Devices, Inc. 415Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com  

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