Overview
The AD8656ARMZ-REEL is a low-noise, precision CMOS operational amplifier produced by Analog Devices Inc. This dual-channel amplifier is designed for high precision and low noise applications, making it suitable for a wide range of uses including audio, industrial controls, and automotive systems. The AD8656 leverages Analog Devices' DigiTrim® technology to achieve high DC accuracy and features rail-to-rail input and output capabilities, enhancing its performance in single-supply systems.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD8656ARMZ-REEL |
| Package | MSOP-8 |
| Number of Circuits | 2 |
| Mounting Type | Surface Mount |
| Gain Bandwidth Product (GBP) | 28 MHz |
| Slew Rate | 11 V/µs |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Operating Temperature Range | -40°C to +125°C |
| Noise Voltage | 2.7 nV/√Hz at f = 10 kHz |
| Offset Voltage | 250 µV max over VCM |
| Offset Voltage Drift | 0.4 µV/°C typ, 2.3 µV/°C max |
| Total Harmonic Distortion + Noise (THD + N) | 0.0007% at G = 1, RL = 1 kΩ, f = 1 kHz, VIN = 2 V p-p |
Key Features
- Low noise: 2.7 nV/√Hz at f = 10 kHz, making it suitable for high precision applications.
- Precision performance: Low offset voltage (250 µV max over VCM) and low offset voltage drift (0.4 µV/°C typ, 2.3 µV/°C max).
- Rail-to-rail input and output capabilities, enabling the amplifier to buffer wide dynamic range devices in single-supply systems.
- High gain bandwidth product (GBP) of 28 MHz and a slew rate of 11 V/µs.
- Unity gain stable and operates over a supply voltage range of 2.7 V to 5.5 V.
- Qualified for automotive applications and fully specified over the -40°C to +125°C temperature range.
- Available in Pb-free, 8-lead MSOP and SOIC packages.
Applications
- ADC and DAC buffers: Ideal for buffering analog-to-digital converters and digital-to-analog converters due to its rail-to-rail input and output capabilities.
- Audio applications: Suitable for microphone pre-amps and audio mixing consoles due to its low noise, low distortion, and high output current capability.
- Industrial controls: Used in precision filters and data acquisition systems.
- Automotive systems: Qualified for automotive applications, including collision avoidance and PLL filters.
- Precision scales and digital scales: Enhances the resolution and dynamic range in low voltage applications.
Q & A
- What is the part number of this operational amplifier?
The part number is AD8656ARMZ-REEL.
- Who is the manufacturer of the AD8656ARMZ-REEL?
The manufacturer is Analog Devices Inc.
- What is the package type of the AD8656ARMZ-REEL?
The package type is MSOP-8.
- What is the gain bandwidth product (GBP) of the AD8656ARMZ-REEL?
The GBP is 28 MHz.
- What is the slew rate of the AD8656ARMZ-REEL?
The slew rate is 11 V/µs.
- What is the supply voltage range for the AD8656ARMZ-REEL?
The supply voltage range is 2.7 V to 5.5 V.
- What is the operating temperature range for the AD8656ARMZ-REEL?
The operating temperature range is -40°C to +125°C.
- What are some common applications of the AD8656ARMZ-REEL?
Common applications include ADC and DAC buffers, audio applications, industrial controls, automotive systems, and precision scales.
- Is the AD8656ARMZ-REEL qualified for automotive applications?
Yes, it is qualified for automotive applications.
- What is the noise voltage of the AD8656ARMZ-REEL at 10 kHz?
The noise voltage is 2.7 nV/√Hz at f = 10 kHz.
