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Dual supply, high precision operational amplifier from Analog Devices is designed for front-end amplifier applications
Analog Devices has introduced a high precision amplifier offering the industry’s best combination of offset voltage, voltage thermal drift, bandwidth, slew rate and voltage noise for front-end amplifier circuits. The ADA4077-2 operational amplifier is specifically suited for applications in process control, chemical and environmental monitoring, motor control and electronic test and instrumentation due to its high DC precision with noise, speed and supply current applicable for the designs.
- View the ADA4077-2 product pages and download the data sheet: http://www.analog.com/ADA4077-2
- Get your questions answered by ADI engineers on EngineerZone®, ADI’s online technical support community: http://ez.analog.com/community/amplifiers/operational-amplifiers
The ADA4077-2 has a typical bandwidth of 3.9 MHz and 7 nV/√Hz voltage noise at 1 kHz while consuming only 400 µA typical at 25°C with ±15 Vdc nominal power supplies. Available in two grades for offset and thermal drift, the device provides design engineers with the flexibility to meet budget and packaging requirements.
Compared to its closest competition, the ADA4077-2 offers higher speed with lower noise, offset and drift while consuming less power, making the ADA4077-2 an ideal, cost effective op amp for use in front end sensor interfaces in applications such as process control input modules, where high accuracy, precision, and linearity are critical to accurate measurement of sensor output.
ADA4077-2 Precision Operational Amplifier Key Features:
- Low offset voltage: 25 µV maximum (B-Grade)
- Low offset voltage drift: 0.25 µV/°C maximum (B-Grade)
- Low input bias current: <1.0 nA maximum
- Input voltage range: V- +1.2 V to V+ -2 V
- Low noise: 7 nV/√Hz typical
- Low supply current: 400 µA per amplifier typical
- Specified for dual voltage supply operation from ±5 V to ±15 V
Availability and Complementary Products
| Product | Offset Voltage | Offset Voltage Drift | Sample | Full | Temperature | Packaging |
| ADA4077-2 | 25 µV | 0.25 µV/°C | Now | Now | -40°C to +125°C | SOIC-8 |
| ADA4077-2 | 50 µV | 0.55 µV/°C | Now | Now | -40°C to +125°C | SOIC-8 |
| ADA4077-2 | 90 µV | 1.2 µV/°C | Now | Now | -40°C to +125°C | MSOP-8 |
The ADA4077-2 precision amplifier is well suited to operate with ADI’s 12-, 14- and 16-bit D/A converters and A/D converters up to 1 MSPS, including the AD5444, AD7265, and AD7266.
For more information, or details on the full range of Analog Devices products available from Anglia, please email info@anglia.com
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This news article was originally published in March 2013.
