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ALD1712ASAL

更新时间: 2024-10-29 12:22:23
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先进线性 - ALD 运算放大器
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9页 85K
描述
RAIL-TO-RAIL PRECISION OPERATIONAL AMPLIFIER

ALD1712ASAL 数据手册

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A
L
D
DVANCED  
INEAR  
EVICES, INC.  
ALD1712A/ALD1712B  
ALD1712  
RAIL-TO-RAIL PRECISION OPERATIONAL AMPLIFIER  
FEATURES  
GENERAL DESCRIPTION  
• Linear mode operation with input voltages  
300mV beyond supply rails  
• Symmetrical complementary output drive  
• Output voltages to within 2mV of power  
supply rails  
The ALD1712A/ALD1712B/ALD1712 is a monolithic precision opera-  
tional amplifier intended primarily for a wide range of analog applications  
in +5V single power supply and ±5V dual power supply systems as well  
as +5V to +10V battery operated systems. All device characteristics are  
specified for +5V single supply or ±2.5V dual supply systems. It is  
manufactured with Advanced Linear Devices' enhanced ACMOS silicon  
gate CMOS process and is available as a standard cell in ALD's ASIC  
"Function-Specific" library.  
• High load capacitance capability --  
4000pF typical  
• No frequency compensation required --  
unity gain stable  
• Extremely low input bias currents --  
0.01pA typical  
The ALD1712A/ALD1712B/ALD1712 has an input stage that operates to  
+300mV above and -300mV below the supply voltages with no adverse  
effects and/or phase reversals. It has been developed specifically with  
the 5V single supply or ±2.5V dual supply user in mind.  
• Dual power supply ±2.5V to ±5.0V  
• Single power supply +5V to +10V  
• High voltage gain – typically 85V/mV  
@ ±2.5V and 250V/mV @ ±5.0V  
• Drive as low as 1Kload with 5mA  
drive current  
• Output short circuit protected  
• Unity gain bandwidth of 1.5MHz  
• Slew rate of 2.1V/µs  
Several important characteristics of the device make many applications  
easy to implement for these supply voltages. First, the operational  
amplifier can operate with rail-to-rail input and output voltages. This  
feature allows numerous analog serial stages to be implemented without  
losing operating voltage margin. Second, the device was designed to  
accommodate mixed applications where digital and analog circuits may  
work off the same 5V power supply. Third, the output stage can drive up  
to 400pF capacitive, and 1Kresistive loads in non-inverting unity gain  
connection, andupto4000pFatagainof5. Thesefeatures, coupledwith  
extremely low input currents, high voltage gain, useful bandwidth of  
1.5MHz, slew rate of 2.1V/µs, low power dissipation, low offset voltage  
and temperature drift, make the ALD1712A/ALD1712B/ALD1712 a truly  
versatile, user friendly, operational amplifier.  
• Suitable for rugged, temperature-extreme  
environments  
APPLICATIONS  
• Voltage amplifier  
• Voltage follower/buffer  
• Charge integrator  
• Photodiode amplifier  
• Data acquisition systems  
• High performance portable instruments  
• Signal conditioning circuits  
• Sensor and transducer amplifiers  
• Low leakage amplifiers  
• Active filters  
On-chip offset voltage trimming allows the device to be used without  
nulling in most applications. The device offers typical offset drift of less  
than 5µV/°C which eliminates many trim or temperature compensation  
circuits. For precision applications, the ALD1712A/ALD1712B/ALD1712  
is designed to settle to 0.01% in 8µs. The unique characteristics at input  
and output are modeled in an available macromodel. Additionally, robust  
design and rigorous screening make this device especially suitable for  
operation in temperature-extreme environments and rugged conditions.  
• Sample/Hold amplifier  
• Picoammeter  
• Current to voltage converter  
• Coaxial cable driver  
PIN CONFIGURATION  
ORDERING INFORMATION (“L” suffix denotes lead-free (RoHS))  
Operating Temperature Range  
0°C to +70°C  
0°C to +70°C  
-55°C to 125°C  
8
7
6
5
N/C  
-IN  
1
2
3
4
N/C  
8-Pin  
Small Outline  
Package (SOIC)  
8-Pin  
Plastic Dip  
Package  
8-Pin  
CERDIP  
Package  
+
V
+IN  
OUT  
N/C  
ALD1712ASAL  
ALD1712BSAL  
ALD1712SAL  
ALD1712APAL  
ALD1712BPAL  
ALD1712PAL  
ALD1712ADA  
ALD1712BDA  
ALD1712DA  
-
V
TOP VIEW  
SAL, PAL, DA PACKAGES  
* Contact factory for leaded (non-RoHS) or high temperature versions.  
* N/C pins are internally connected. Do not connect externally.  
Rev 2.1 ©2010 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, CA 94089-1706 Tel: (408) 747-1155 Fax: (408) 747-1286  
www.aldinc.com  

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