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ALD2724ESB Datasheet(PDF) 1 Page - Advanced Linear Devices |
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ALD2724ESB Datasheet(HTML) 1 Page - Advanced Linear Devices |
1 / 13 page Rev 2.1 ©2011 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, CA 94089-1706 Tel: (408) 747-1155 Fax: (408) 747-1286 www.aldinc.com GENERAL DESCRIPTION The ALD2724E/ALD2724 is a dual monolithic operational amplifier with MOSFET input that has rail-to-rail input and output voltage ranges. The input voltage range and output voltage range are very close to the positive and negative power supply voltages. Typically the input voltage can be beyond positive power supply voltage V+ or the negative power supply voltage V- by up to 300mV. The output voltage swings to within 60mV of either positive or negative power supply voltages at rated load. With high impedance load, the output voltage of the ALD2724E/ALD2724 approaches within 1mV of the power supply rails. This device is designed as an alternative to the popular J-FET input operational amplifier in applications where lower operating voltages, such as 9V battery or ±3.25V to ±5V power supplies are being used. The ALD2724E/ALD2724 offers high slew rate of 5.0V/ µs. The rail-to-rail input and output feature of the ALD2724E/ALD2724 expands signal voltage range for a given operating supply voltage and allows numerous analog serial stages to be implemented without losing operating voltage margin. The output stage is designed to drive up to 10mA into 400pF capacitive and 1.5K Ω resistive loads at unity gain and up to 4000pF at a gain of 5. Short circuit protection to either ground or the power supply rails is at approximately 15mA clamp current. Due to complementary output stage design, the output can source and sink 10mA into a load with symmetrical drive and is ideally suited for applica- tions where push-pull voltage drive is desired. BENEFITS • Ready-to-use off-the-shelf standard part • Custom automated trimming optional • 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 APPLICATIONS • Sensor interface circuits • Transducer biasing circuits • Capacitive and charge integration circuits • Biochemical probe interface • Signal conditioning • 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 KEY FEATURES • Factory pre-trimmed VOS •VOS=25µV @ IOS=0.01pA • 5V/ µs slew rate • EPAD (Electrically Programmable Analog Device) • User programmable VOS trimmer • Rail-to-rail input/output • Compatible with standard EPAD Programmer • Each amplifier VOS can be trimmed to a different VOS level • High precision through in-system circuit precision trimming • Reduces or eliminates VOS, PSRR, CMRR and TCVOS errors • System level “calibration” capability • Low voltage operation ORDERING INFORMATION Operating Temperature Range 0 °C to +70°C0°C to +70°C -55 °C to +125°C 14-Pin 14-Pin 14-Pin Small Outline Plastic Dip CERDIP Package (SOIC) Package Package ALD2724ESB ALD2724EPB ALD2724EDB ALD2724SB ALD2724PB ALD2724DB * Contact factory for high temperature versions. eEPAD TM ® N A B L E D E DUAL EPAD® PRECISION HIGH SLEW RATE CMOS OPERATIONAL AMPLIFIER ALD2724E/ALD2724 ADVANCED LINEAR DEVICES, INC. PIN CONFIGURATION TOP VIEW SB, PB, DB PACKAGES * N/C Pins are internally connected. Do not connect externally. VE 2A VE 1A OUT A V+ OUT B VE 1B VE 2B +IN A N/C V- +IN B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 -IN A N/C -IN B |
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