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ALD4701

更新时间: 2024-09-19 06:36:55
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先进线性 - ALD 放大器
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6页 50K
描述
QUAD MICOPOWER RAIL TO RAIL CMOS OPERATIOANAL AMPLIFIER

ALD4701 数据手册

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A
L
D
DVANCED  
INEAR  
EVICES, INC.  
ALD4701A/ALD4701B  
ALD4701  
QUAD MICROPOWER RAIL-TO-RAIL CMOS OPERATIONAL AMPLIFIER  
GENERAL DESCRIPTION  
FEATURES  
The ALD4701 is a quad 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  
singlesupplyor ±2.5Vdualsupplysystems. Totalsupplycurrentforallfour  
operational amplifiers is 1mA 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  
The ALD4701 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 LM324 types and ICL 7641 types.  
• Output short circuit protected  
• Unity gain bandwidth of 0.7MHz  
• Slew rate of 0.7V/µs  
• Low power dissipation  
• Symmetrical output drive  
The ALD4701 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 these voltages.  
APPLICATIONS  
First, eachoperationalamplifiercanoperatewithrailtorailinputandoutput  
voltages. This means the signal input voltage and output voltage can be  
equal to or near 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.  
• 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, lowpowerdissipationof5mW, lowoffsetvoltageandtemperature  
drift,maketheALD4701aversatile,micropowerquadoperationalamplifier.  
• Sample/Hold amplifier  
• Picoammeter  
• Current to voltage converter  
TheALD4701,designedandfabricatedwithsilicongateCMOStechnology,  
offers 1pA typical input bias current. 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  
OUT  
1
2
14  
13  
OUT  
IN -  
A
D
IN -  
A
D
ORDERING INFORMATION  
Operating Temperature Range*  
IN +  
IN +  
12  
11  
10  
9
3
4
D
A
+
-
V
V
-55°C to +125°C  
0°C to +70°C  
0°C to +70°C  
14-Pin  
14-Pin  
14-Pin  
5
6
7
IN +  
IN -  
IN +  
IN -  
B
B
B
C
CERDIP  
Package  
Small Outline  
Package (SOIC)  
Plastic Dip  
Package  
C
ALD4701A DB  
ALD4701B DB  
ALD4701 DB  
ALD4701A SB  
ALD4701B SB  
ALD4701 SB  
ALD4701A PB  
ALD4701B PB  
ALD4701 PB  
OUT  
8
OUT  
C
DB, PB, SB PACKAGE  
* Contact factory for industrial temperature range  
© 1998 Advanced Linear Devices, Inc. 415Tasman Drive, Sunnyvale, California 94089 -1706Tel: (408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com  

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