Overview
The AD7981HRMZ is a high-performance, 16-bit successive approximation analog-to-digital converter (ADC) designed by Analog Devices Inc. This device is part of a series of high temperature qualified products, making it suitable for extreme environmental conditions. The AD7981HRMZ operates at sample rates of up to 600 kSPS and is known for its low power consumption, high accuracy, and fast throughput. It is packaged in a compact 10-lead mini small outline package (MSOP) or a 10-lead ceramic flat package (FLATPACK), ensuring robustness and reliability in high-temperature applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Resolution | 16 bits |
| Sample Rate | Up to 600 kSPS |
| Analog Input Range | 0 V to VREF (VREF: 2.4 V to 5.1 V) |
| Temperature Range | −55°C to +175°C (MSOP), −55°C to +210°C (FLATPACK) |
| Power Supply | Single supply, VDD (compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic) |
| Interface | SPI-compatible serial interface, daisy-chain capability |
| Package | 10-lead MSOP or 10-lead ceramic FLATPACK |
Key Features
- High temperature operation: Specified temperature range of −55°C to +175°C (MSOP) and −55°C to +210°C (FLATPACK).
- High performance: 16-bit resolution and sample rates up to 600 kSPS.
- Pseudo differential analog input range: 0 V to VREF with VREF between 2.4 V and 5.1 V.
- Low power consumption: Power scales linearly with throughput.
- Versatile serial port interface: SPI-compatible with daisy-chain capability and optional busy indicator.
- Robust packaging: Monometallic wire bonding and qualified for up to 1000 hours of operation at maximum temperature rating.
Applications
- High temperature environments: Ideal for applications requiring operation in extreme temperatures.
- Scientific instrumentation: Suitable for precision measurement and data acquisition in scientific instruments.
- Data acquisition and control systems: Used in systems that require high accuracy and reliability in harsh environments.
Q & A
- What is the resolution of the AD7981HRMZ ADC? The AD7981HRMZ has a 16-bit resolution.
- What is the maximum sample rate of the AD7981HRMZ? The maximum sample rate is up to 600 kSPS.
- What is the temperature range for the AD7981HRMZ in MSOP packaging? The temperature range for MSOP packaging is −55°C to +175°C.
- What is the temperature range for the AD7981HRMZ in FLATPACK packaging? The temperature range for FLATPACK packaging is −55°C to +210°C.
- What type of interface does the AD7981HRMZ use? The AD7981HRMZ uses an SPI-compatible serial interface.
- Can the AD7981HRMZ be daisy-chained with other ADCs? Yes, the AD7981HRMZ can be daisy-chained using the SDI input on a single 3-wire bus.
- What is the power supply requirement for the AD7981HRMZ? The AD7981HRMZ operates from a single power supply, VDD, and is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic.
- What is the analog input range for the AD7981HRMZ? The analog input range is from 0 V to VREF, where VREF can be set between 2.4 V and 5.1 V.
- Is the AD7981HRMZ suitable for high-temperature applications? Yes, the AD7981HRMZ is designed for high-temperature operation and is qualified for up to 1000 hours of operation at the maximum temperature rating.
- What types of packages are available for the AD7981HRMZ? The AD7981HRMZ is available in 10-lead MSOP and 10-lead ceramic FLATPACK packages.
