Overview
The AD7866ARUZ is a dual, simultaneous sampling, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single 2.7 V to 5.25 V power supply and features a high sampling rate of 1 MSPS. It includes a 4-channel analog input multiplexer, track-and-hold amplifiers, and two successive approximation ADCs. The AD7866 is known for its excellent DC and AC performance, with a signal-to-noise ratio (SNR) of 79 dB and a spurious-free dynamic range (SFDR) of 92 dB.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer Part Number | AD7866ARUZ |
| Manufacturer | Analog Devices Inc. |
| Resolution | 12-bit |
| Sampling Rate | Up to 1 MSPS |
| Power Supply Range | 2.7 V to 5.25 V |
| Analog Input Channels | 4-channel multiplexer |
| Track-and-Hold Amplifier | Low-noise, wide bandwidth |
| Signal-to-Noise Ratio (SNR) | 79 dB |
| Spurious-Free Dynamic Range (SFDR) | 92 dB |
| Power Consumption (3V, 1MSPS) | Maximum 3.8 mA |
| Power Consumption (5V, 1MSPS) | Maximum 4.8 mA |
| Package Type | 20-lead TSSOP |
Key Features
- Dual, simultaneous sampling 12-bit ADCs
- High sampling rate of up to 1 MSPS
- 4-channel analog input multiplexer
- Low-noise, wide bandwidth track-and-hold amplifiers
- Excellent DC and AC performance with 79 dB SNR and 92 dB SFDR
- Low power consumption with flexible power/throughput rate management
- On-chip 2.5 V reference that can be overdriven by an external reference
- Compatibility with a wide range of digital signal processors (DSPs) and microcontrollers through SPI interface
Applications
- Industrial automation and control
- Test and measurement equipment
- Medical instrumentation
- Power management systems
- Portable and battery-powered devices
Q & A
- What is the resolution of the AD7866ARUZ ADC?
The AD7866ARUZ has a resolution of 12 bits.
- What is the maximum sampling rate of the AD7866ARUZ?
The maximum sampling rate is up to 1 MSPS.
- What is the power supply range for the AD7866ARUZ?
The device operates from a single 2.7 V to 5.25 V power supply.
- How many analog input channels does the AD7866ARUZ have?
The AD7866ARUZ features a 4-channel analog input multiplexer.
- What is the signal-to-noise ratio (SNR) of the AD7866ARUZ?
The SNR is 79 dB.
- What is the spurious-free dynamic range (SFDR) of the AD7866ARUZ?
The SFDR is 92 dB.
- What is the typical power consumption of the AD7866ARUZ at 3V and 1MSPS?
The typical power consumption is a maximum of 3.8 mA at 3V and 1MSPS.
- Is the AD7866ARUZ compatible with digital signal processors (DSPs) and microcontrollers?
Yes, it is compatible through its SPI interface.
- What are some common applications of the AD7866ARUZ?
Common applications include industrial automation, test and measurement equipment, medical instrumentation, power management systems, and portable devices.
- Is the AD7866ARUZ still in active production?
No, the AD7866 is an obsolete product, but there are alternative models available.
