Overview
The AD7983BCPZ-RL7 is a 16-bit, successive approximation, analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single power supply and features a high-speed, low-power design. It includes a versatile serial interface port compatible with SPI, daisy-chain, and CS configurations. The AD7983 is available in 10-lead MSOP and 10-lead LFCSP packages and operates over a wide temperature range of −40°C to +85°C.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 | Bits | ||
| Analog Input Voltage Range (IN+ - IN−) | 0 | VREF | V | |
| Absolute Input Voltage (IN+ - IN−) | -0.1 VREF | +0.1 VREF | V | |
| Input Impedance | See the Analog Inputs section | |||
| Signal-to-(Noise + Distortion), SINAD (fIN = 10 kHz) | 91.6 | dB | ||
| Reference Voltage Range | 2.9 | 5.1 | V | |
| Power Dissipation (1.33 MSPS throughput) | 10.5 | 12 | mW | |
| Energy per Conversion | 7.9 | nJ/sample | ||
| Temperature Range | -40 | +85 | °C | |
| Conversion Time (CNV Rising Edge to Data Available) | 300 | 500 | ns | |
| Acquisition Time | 250 | ns | ||
| Time Between Conversions | 750 | ns |
Key Features
- High-speed, 16-bit successive approximation ADC with a throughput of 1.33 MSPS.
- Low power consumption, scaling linearly with throughput.
- SPI-compatible serial interface with daisy-chain capability and optional busy indicator.
- Compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic using a separate supply VIO.
- External reference voltage (REF) can be set independent of the supply voltage (VDD).
- Wide operating temperature range: −40°C to +85°C.
- Available in 10-lead MSOP and 10-lead LFCSP packages.
Applications
- Automated test equipment
- Data acquisition systems
- Medical instruments
- Machine automation
Q & A
- What is the resolution of the AD7983BCPZ-RL7 ADC?
The AD7983BCPZ-RL7 has a resolution of 16 bits. - What is the operating temperature range of the AD7983BCPZ-RL7?
The operating temperature range is −40°C to +85°C. - What types of packages are available for the AD7983BCPZ-RL7?
The AD7983BCPZ-RL7 is available in 10-lead MSOP and 10-lead LFCSP packages. - What is the throughput of the AD7983BCPZ-RL7 ADC?
The throughput is 1.33 MSPS. - Is the AD7983BCPZ-RL7 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. - Can multiple AD7983BCPZ-RL7 ADCs be daisy-chained?
Yes, multiple ADCs can be daisy-chained using the SPI-compatible serial interface. - What is the power dissipation of the AD7983BCPZ-RL7 at 1.33 MSPS throughput?
The power dissipation is between 10.5 mW and 12 mW. - What is the energy per conversion for the AD7983BCPZ-RL7?
The energy per conversion is 7.9 nJ/sample. - What is the conversion time from the CNV rising edge to data available?
The conversion time is between 300 ns and 500 ns. - What are some common applications of the AD7983BCPZ-RL7?
Common applications include automated test equipment, data acquisition systems, medical instruments, and machine automation.
