Overview
The AD7980ARMZ is a 16-bit, successive approximation, analog-to-digital converter (ADC) produced by Analog Devices Inc. This high-performance ADC operates from a single power supply and features a pseudo-differential analog input range from 0 V to VREF, with VREF adjustable between 2.5 V to 5 V. The device is known for its high speed and low power consumption, making it suitable for a variety of applications requiring precise and efficient data conversion.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Resolution | - | - | - | 16 bits | - |
| Throughput Rate | - | - | - | 1 MSPS | - |
| Conversion Time | tCONV | 500 | 710 | 800 ns | - |
| Acquisition Time | tACQ | - | - | 290 ns | - |
| Integral Nonlinearity (INL) | - | - | ±0.6 LSB | ±1.25 LSB | - |
| Dynamic Range | - | - | - | 92 dB (VREF = 5 V) | - |
| Signal-to-Noise Ratio (SNR) | - | - | - | 92 dB (VREF = 5 V) | - |
| Operating Temperature Range | - | -40°C | - | +125°C | - |
| Package Type | - | - | - | 10-Lead MSOP or 10-Lead LFCSP | - |
Key Features
- High performance with pseudo-differential analog input range from 0 V to VREF (2.5 V to 5 V).
- Zero latency architecture and 1 MSPS throughput rate.
- 16-bit resolution with no missing codes and high accuracy (INL: ±0.6 LSB typical, ±1.25 LSB maximum).
- Low power consumption with power scaling linearly with throughput.
- SPI-compatible serial interface supporting daisy-chaining and an optional busy indicator.
- Compatibility with 1.8 V, 2.5 V, 3 V, or 5 V logic using a separate supply VIO.
Applications
The AD7980ARMZ is suitable for various applications requiring high precision and speed in data conversion. These include:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense applications, particularly the AD7980-EP model.
- High-performance data acquisition systems.
- Automotive and automotive safety systems.
Q & A
- What is the resolution of the AD7980ARMZ ADC?
The AD7980ARMZ has a 16-bit resolution. - What is the maximum throughput rate of the AD7980ARMZ?
The maximum throughput rate is 1 MSPS. - What is the operating temperature range of the AD7980ARMZ?
The operating temperature range is from -40°C to +125°C. - What types of packages are available for the AD7980ARMZ?
The AD7980ARMZ is available in 10-Lead MSOP and 10-Lead LFCSP packages. - Is the AD7980ARMZ compatible with different logic levels?
Yes, it is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic using a separate supply VIO. - What is the dynamic range of the AD7980ARMZ?
The dynamic range is 92 dB when VREF is 5 V. - Can multiple AD7980ARMZ ADCs be daisy-chained?
Yes, multiple ADCs can be daisy-chained on a single 3-wire bus using the SPI-compatible serial interface. - What is the acquisition time of the AD7980ARMZ?
The acquisition time is 290 ns. - Is the AD7980ARMZ suitable for aerospace and defense applications?
Yes, particularly the AD7980-EP model is designed for such applications. - What is the typical integral nonlinearity (INL) of the AD7980ARMZ?
The typical INL is ±0.6 LSB, with a maximum of ±1.25 LSB.
