Specifications
| Attribute | Value |
| Package / Case | Tube |
| Series | DigiTrim® |
| Part Status | Active |
| Amplifier Type | CMOS |
| Number of Circuits | 2 |
| Output Type | Rail-to-Rail |
| Slew Rate | 11V/µs |
| Gain Bandwidth Product | 28 MHz |
| Current - Input Bias | 1 pA |
| Voltage - Input Offset | 50 µV |
| Supply Current | 3.7mA (x2 Channels) |
| Current - Output / Channel | 220 mA |
| Voltage - Supply Span(Min) | 2.7 V |
| Voltage - Supply Span(Max) | 5.5 V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
Overview
Description
The AD8656ARMZ is a precision, low-noise, dual operational amplifier from Analog Devices. It is part of the AD8656 series, designed for applications requiring high performance and low power consumption. This op-amp is characterized by its low input offset voltage, low noise (2.7 nV/√Hz), and wide bandwidth, making it suitable for precision instrumentation, sensor interfaces, and active filters.
Operating from a single or dual power supply (ranging from 2.7 V to 5.5 V for single, and ±1.35 V to ±2.75 V for dual), the AD8656ARMZ offers rail-to-rail input and output capability, which enhances its versatility in low-voltage applications. It also features a high slew rate and low distortion, ensuring accurate signal processing.
The device is available in a compact MSOP-8 package, making it ideal for space-constrained applications. Its robust performance and energy efficiency make the AD8656ARMZ highly suitable for battery-powered and portable devices. Overall, it provides an excellent balance of precision, noise performance, and power efficiency.
Operating from a single or dual power supply (ranging from 2.7 V to 5.5 V for single, and ±1.35 V to ±2.75 V for dual), the AD8656ARMZ offers rail-to-rail input and output capability, which enhances its versatility in low-voltage applications. It also features a high slew rate and low distortion, ensuring accurate signal processing.
The device is available in a compact MSOP-8 package, making it ideal for space-constrained applications. Its robust performance and energy efficiency make the AD8656ARMZ highly suitable for battery-powered and portable devices. Overall, it provides an excellent balance of precision, noise performance, and power efficiency.
Equivalent
The AD8656ARMZ is a precision, low-noise, dual operational amplifier. Equivalent products include:
1. TL072 by Texas Instruments: A low-noise JFET-input dual op-amp.
2. OPA2134 by Texas Instruments: A high-performance audio op-amp.
3. LM833 by ON Semiconductor: A dual low-noise op-amp.
4. NJM4556 by NJR Corporation: A high-output current dual op-amp.
These alternatives have comparable features but may differ in specific parameters, so reviewing the datasheets is recommended.
1. TL072 by Texas Instruments: A low-noise JFET-input dual op-amp.
2. OPA2134 by Texas Instruments: A high-performance audio op-amp.
3. LM833 by ON Semiconductor: A dual low-noise op-amp.
4. NJM4556 by NJR Corporation: A high-output current dual op-amp.
These alternatives have comparable features but may differ in specific parameters, so reviewing the datasheets is recommended.
Features
The AD8656ARMZ is a dual, precision, low noise, low bias current operational amplifier. It features:
1. Low Noise: It offers an ultra-low voltage noise of 2.7 nV/√Hz, making it suitable for precision signal conditioning applications.
2. Low Bias Current: With bias currents as low as 1 pA, it is ideal for interfacing with high impedance sensors.
3. Low Offset Voltage: The max offset voltage is 100 μV, ensuring high accuracy.
4. Wide Supply Range: It operates from a 2.7 V to 18 V supply, offering flexibility in various applications.
5. Rail-to-Rail Output: This feature enhances the output swing and dynamic range.
6. High Slew Rate: A slew rate of 3.8 V/µs allows for fast signal processing.
7. Low Power Consumption: It has a quiescent current of 1.5 mA per amplifier, suitable for portable and battery-powered devices.
8. Package: Available in a compact MSOP-8 package.
These features make the AD8656ARMZ suitable for applications like medical instrumentation, sensor interfaces, and precision data acquisition systems.
1. Low Noise: It offers an ultra-low voltage noise of 2.7 nV/√Hz, making it suitable for precision signal conditioning applications.
2. Low Bias Current: With bias currents as low as 1 pA, it is ideal for interfacing with high impedance sensors.
3. Low Offset Voltage: The max offset voltage is 100 μV, ensuring high accuracy.
4. Wide Supply Range: It operates from a 2.7 V to 18 V supply, offering flexibility in various applications.
5. Rail-to-Rail Output: This feature enhances the output swing and dynamic range.
6. High Slew Rate: A slew rate of 3.8 V/µs allows for fast signal processing.
7. Low Power Consumption: It has a quiescent current of 1.5 mA per amplifier, suitable for portable and battery-powered devices.
8. Package: Available in a compact MSOP-8 package.
These features make the AD8656ARMZ suitable for applications like medical instrumentation, sensor interfaces, and precision data acquisition systems.
Pinout
The AD8656ARMZ is a dual precision operational amplifier produced by Analog Devices. It is housed in an 8-pin Mini Small Outline Package (MSOP).
Here is a brief description of the pin functions:
1. OUT A (Pin 1): Output for the first operational amplifier.
2. -IN A (Pin 2): Inverting input for the first operational amplifier.
3. +IN A (Pin 3): Non-inverting input for the first operational amplifier.
4. V- (Pin 4): Negative power supply voltage.
5. +IN B (Pin 5): Non-inverting input for the second operational amplifier.
6. -IN B (Pin 6): Inverting input for the second operational amplifier.
7. OUT B (Pin 7): Output for the second operational amplifier.
8. V+ (Pin 8): Positive power supply voltage.
The AD8656ARMZ features low noise, low distortion, and a wide bandwidth, making it suitable for precision applications.
Here is a brief description of the pin functions:
1. OUT A (Pin 1): Output for the first operational amplifier.
2. -IN A (Pin 2): Inverting input for the first operational amplifier.
3. +IN A (Pin 3): Non-inverting input for the first operational amplifier.
4. V- (Pin 4): Negative power supply voltage.
5. +IN B (Pin 5): Non-inverting input for the second operational amplifier.
6. -IN B (Pin 6): Inverting input for the second operational amplifier.
7. OUT B (Pin 7): Output for the second operational amplifier.
8. V+ (Pin 8): Positive power supply voltage.
The AD8656ARMZ features low noise, low distortion, and a wide bandwidth, making it suitable for precision applications.
Manufacturer
The AD8656ARMZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design, manufacturing, and marketing of a wide range of integrated circuits (ICs) and other electronic components. The company is well-known for its high-performance analog, mixed-signal, and digital signal processing (DSP) technologies. Analog Devices serves various industries, including communications, automotive, industrial, healthcare, and consumer electronics, by providing solutions that enable customers to interpret the world around them through data conversion and signal processing.
Application
The AD8656ARMZ is a precision, low-noise, low-distortion operational amplifier that is suitable for a variety of applications. Its key areas of application include:
1. Instrumentation and Measurement Systems: Ideal for precision signal processing and data acquisition systems.
2. Medical Devices: Used in patient monitoring and diagnostic equipment due to its low noise and precision.
3. Industrial Control: Suitable for process control systems where accuracy and stability are critical.
4. Audio Equipment: Enhances sound quality in high-fidelity audio applications.
5. Sensor Interfaces: Interfaces well with various sensors requiring precise signal amplification.
Its low power consumption and high accuracy make it versatile for many precision-based applications.
1. Instrumentation and Measurement Systems: Ideal for precision signal processing and data acquisition systems.
2. Medical Devices: Used in patient monitoring and diagnostic equipment due to its low noise and precision.
3. Industrial Control: Suitable for process control systems where accuracy and stability are critical.
4. Audio Equipment: Enhances sound quality in high-fidelity audio applications.
5. Sensor Interfaces: Interfaces well with various sensors requiring precise signal amplification.
Its low power consumption and high accuracy make it versatile for many precision-based applications.
Package
The AD8656ARMZ is a dual, precision, low-noise, rail-to-rail operational amplifier from Analog Devices. It comes in a MSOP-8 package, which is a Mini Small Outline Package with 8 pins.
