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Part Number: ALD1722E
Description: The ALD1722E/ALD1722 is a monolithic rail-to-rail precision CMOS operational amplifier with integrated user programmabl...
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ALD1722E
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DataSheet
General Description
ALD1722E General Description
The ALD1722E/ALD1722 is a monolithic rail-to-rail precision CMOS operational amplifier with integrated user programmable EPAD (Electrically Programmable Analog Device) based offset voltage adjustment. The ALD1722E/ALD1722 is a direct replacement of the ALD1702 operational amplifier, with the added feature of user-programmable offset voltage trimming resulting in significantly 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 within the device even after power-down. EPAD offers the circuit designer a convenient and costeffective trimming solution for achieving the very highest amplifier/system performance.
The ALD1722E/ALD1722 operational amplifier features rail-to-rail input and output voltage ranges, tolerance to over-voltage input spikes of 300mV beyond supply rails, high capacitive loading up to 4000pF, extremely low input currents of 0.01pA typical, high open loop voltage gain, useful bandwidth of 1.5 MHz, slew rate of 2.1 V/ms, and low supply current of 0.8mA.
ALD1722E Maximum Ratings
Supply voltage V+ 13.2V
Differential input voltage range -0.3V to V+ +0.3V
Power dissipation 600 mW
Operating temperature range PA,SA package 0°C to +70°C
DA package -55°C to +125°C
Storage temperature range -65°C to +150°C
Lead temperature, 10 seconds +260°C
Differential input voltage range -0.3V to V+ +0.3V
Power dissipation 600 mW
Operating temperature range PA,SA package 0°C to +70°C
DA package -55°C to +125°C
Storage temperature range -65°C to +150°C
Lead temperature, 10 seconds +260°C
ALD1722E Features
• EPAD ( Electrically Programmable Analog Device)
• User programmable VOS trimmer
• Computer-assisted trimming
• Rail-to-rail input/output
• Compatible with standard EPAD Programmer
• High precision through in-situ circuit precision trimming
• Reduce or eliminate VOS, PSRR, CMRR and TCVOS errors
• System level "calibration" capability
• In-System Programming capable
• Electrically programmable to compensate for external component tolerances
• Achieve 0.01pA input bias current and 25mV input offset voltage simultaneously
• Compatible with industry standard pinout
• User programmable VOS trimmer
• Computer-assisted trimming
• Rail-to-rail input/output
• Compatible with standard EPAD Programmer
• High precision through in-situ circuit precision trimming
• Reduce or eliminate VOS, PSRR, CMRR and TCVOS errors
• System level "calibration" capability
• In-System Programming capable
• Electrically programmable to compensate for external component tolerances
• Achieve 0.01pA input bias current and 25mV input offset voltage simultaneously
• Compatible with industry standard pinout
ALD1722E Typical Application
• 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
• 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
ALD1722E
PDF/DataSheet Download
- Datasheet: ALD1722E
- File Size: 65960 KB
- Manufacturer: ALD [Advanced Linear Devices]
- Click here to Download
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