Specifications
| Attribute | Value |
| Package | Tube |
| Series | DigiTrim® |
| ProductStatus | Active |
| AmplifierType | CMOS |
| NumberofCircuits | 2 |
| OutputType | Rail-to-Rail |
| SlewRate | 11V/µs |
| GainBandwidthProduct | 28 MHz |
| Current-InputBias | 1 pA |
| Voltage-InputOffset | 50 µV |
| Current-Supply | 3.7mA (x2 Channels) |
| Current-Output/Channel | 220 mA |
| Voltage-SupplySpan(Min) | 2.7 V |
| Voltage-SupplySpan(Max) | 5.5 V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Overview
Description
The AD8656ARZ is a precision, low-noise, dual operational amplifier designed by Analog Devices. It is known for its high performance in terms of accuracy, low offset voltage, and low noise, making it suitable for applications requiring precision and reliability. The device operates with a wide supply voltage range, typically from 2.7 V to 18 V, and features rail-to-rail input and output capability, enhancing its versatility in various signal processing tasks.
Key specifications include a low input offset voltage of only a few microvolts, a low input bias current, and low distortion, which are essential for maintaining signal integrity in sensitive applications. The AD8656ARZ also boasts a high slew rate and wide bandwidth, ensuring fast and efficient signal amplification.
The device is often used in applications like sensor interfacing, data acquisition systems, and any environment where low noise and high precision are critical. It is available in standard packages, such as the SOIC-8, making it easy to integrate into existing circuit designs.
Key specifications include a low input offset voltage of only a few microvolts, a low input bias current, and low distortion, which are essential for maintaining signal integrity in sensitive applications. The AD8656ARZ also boasts a high slew rate and wide bandwidth, ensuring fast and efficient signal amplification.
The device is often used in applications like sensor interfacing, data acquisition systems, and any environment where low noise and high precision are critical. It is available in standard packages, such as the SOIC-8, making it easy to integrate into existing circuit designs.
Equivalent
The AD8656ARZ is a precision, low-noise, low-bias-current dual operational amplifier from Analog Devices. Equivalent products may include:
1. OPA2134 from Texas Instruments – Known for its low noise and precision.
2. LT1678 from Analog Devices (formerly Linear Technology) – Offers low noise and precision.
3. TL072 from Texas Instruments – A widely used low-noise JFET-input op-amp.
4. LM4562 from Texas Instruments – Offers low noise and high performance.
Always verify specific requirements like pin configuration and electrical characteristics when selecting equivalents.
1. OPA2134 from Texas Instruments – Known for its low noise and precision.
2. LT1678 from Analog Devices (formerly Linear Technology) – Offers low noise and precision.
3. TL072 from Texas Instruments – A widely used low-noise JFET-input op-amp.
4. LM4562 from Texas Instruments – Offers low noise and high performance.
Always verify specific requirements like pin configuration and electrical characteristics when selecting equivalents.
Features
The AD8656ARZ is a precision, low-noise, dual operational amplifier from Analog Devices. Key features include:
1. Low Noise: It offers extremely low voltage noise of 2.7 nV/√Hz, making it suitable for precision applications.
2. High Performance: It features low offset voltage (70 µV max) and low offset drift, enhancing the accuracy of measurements.
3. Wide Bandwidth: The amplifier has a bandwidth of 28 MHz, supporting fast signal processing.
4. Low Power Consumption: It operates with a low quiescent current of 3.6 mA per amplifier, optimizing power efficiency.
5. Rail-to-Rail Output: The AD8656ARZ provides rail-to-rail output swing, maximizing dynamic range.
6. Wide Supply Voltage Range: It operates from single-supply voltages of 5 V to 26 V or dual supplies from ±2.5 V to ±13 V.
7. Temperature Range: The device functions effectively in a wide temperature range from -40°C to +125°C.
These features make the AD8656ARZ ideal for applications requiring precision and reliability, such as sensor signal conditioning, medical instruments, and industrial control systems.
1. Low Noise: It offers extremely low voltage noise of 2.7 nV/√Hz, making it suitable for precision applications.
2. High Performance: It features low offset voltage (70 µV max) and low offset drift, enhancing the accuracy of measurements.
3. Wide Bandwidth: The amplifier has a bandwidth of 28 MHz, supporting fast signal processing.
4. Low Power Consumption: It operates with a low quiescent current of 3.6 mA per amplifier, optimizing power efficiency.
5. Rail-to-Rail Output: The AD8656ARZ provides rail-to-rail output swing, maximizing dynamic range.
6. Wide Supply Voltage Range: It operates from single-supply voltages of 5 V to 26 V or dual supplies from ±2.5 V to ±13 V.
7. Temperature Range: The device functions effectively in a wide temperature range from -40°C to +125°C.
These features make the AD8656ARZ ideal for applications requiring precision and reliability, such as sensor signal conditioning, medical instruments, and industrial control systems.
Pinout
The AD8656ARZ is a dual-channel, precision, low-noise, rail-to-rail output operational amplifier designed by Analog Devices. It comes in an 8-lead SOIC (Small Outline Integrated Circuit) package. Therefore, it has 8 pins.
Here is a brief overview of the pin functions:
1. Pin 1 (OUT A): Output of the first operational amplifier.
2. Pin 2 (V–): Negative power supply voltage.
3. Pin 3 (IN A+): Non-inverting input of the first operational amplifier.
4. Pin 4 (IN A–): Inverting input of the first operational amplifier.
5. Pin 5 (IN B–): Inverting input of the second operational amplifier.
6. Pin 6 (IN B+): Non-inverting input of the second operational amplifier.
7. Pin 7 (V+): Positive power supply voltage.
8. Pin 8 (OUT B): Output of the second operational amplifier.
The AD8656ARZ offers low noise, low offset voltage, and wide bandwidth, making it suitable for high-precision applications.
Here is a brief overview of the pin functions:
1. Pin 1 (OUT A): Output of the first operational amplifier.
2. Pin 2 (V–): Negative power supply voltage.
3. Pin 3 (IN A+): Non-inverting input of the first operational amplifier.
4. Pin 4 (IN A–): Inverting input of the first operational amplifier.
5. Pin 5 (IN B–): Inverting input of the second operational amplifier.
6. Pin 6 (IN B+): Non-inverting input of the second operational amplifier.
7. Pin 7 (V+): Positive power supply voltage.
8. Pin 8 (OUT B): Output of the second operational amplifier.
The AD8656ARZ offers low noise, low offset voltage, and wide bandwidth, making it suitable for high-precision applications.
Manufacturer
The manufacturer of the AD8656ARZ is Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, the company focuses on creating solutions for various industries, including automotive, healthcare, communications, consumer electronics, and industrial applications. Analog Devices is recognized for its expertise in producing high-performance amplifiers, data converters, and power management products, among other components.
Application
The AD8656ARZ is a precision, low-noise, low-distortion operational amplifier suited for various applications. Its key application areas include:
1. Instrumentation and Measurement: Ideal for use in precision instruments due to its low noise and high accuracy.
2. Medical Devices: Suitable for medical instrumentation where precision and reliability are crucial.
3. Data Acquisition Systems: Enhances the performance of systems requiring accurate signal processing.
4. Communication Equipment: Improves signal integrity in RF and communication applications.
5. Industrial Control: Used in control systems where precise signal amplification is required.
Its low power consumption and wide bandwidth make it versatile for high-performance applications.
1. Instrumentation and Measurement: Ideal for use in precision instruments due to its low noise and high accuracy.
2. Medical Devices: Suitable for medical instrumentation where precision and reliability are crucial.
3. Data Acquisition Systems: Enhances the performance of systems requiring accurate signal processing.
4. Communication Equipment: Improves signal integrity in RF and communication applications.
5. Industrial Control: Used in control systems where precise signal amplification is required.
Its low power consumption and wide bandwidth make it versatile for high-performance applications.
Package
The AD8656ARZ is an operational amplifier from Analog Devices, and it is encapsulated in a SOIC-8 (Small Outline Integrated Circuit) package type. The "R" in the designation refers to the reel packaging, while "Z" indicates the device is lead-free.
