Overview
The AD977CRS is a high-performance, 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD977 and AD977A series, known for their high speed and low power consumption. The AD977CRS operates at a throughput rate of 100 kSPS and is designed for applications requiring precise and rapid analog-to-digital conversion.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 16 | |
| Sampling Rate | 100 kSPS | |
| Number of Inputs | 1 | |
| Input Type | Single Ended | |
| Data Interface | SPI | |
| Architecture | SAR (Successive Approximation Register) | |
| Reference Type | External, Internal | |
| Voltage - Supply, Analog | 5 V | |
| Voltage - Supply, Digital | 5 V | |
| Operating Temperature | -40°C to 85°C | |
| Package / Case | 20-Lead Skinny SOIC or 28-Lead Skinny SSOP | |
| Power Dissipation | 100 mW Max | |
| Power-Down Mode | 50 µW |
Key Features
- Fast throughput rate of 100 kSPS
- Single 5 V supply operation
- Low power dissipation of 100 mW maximum and 50 µW in power-down mode
- Factory calibrated to minimize linearity errors
- High speed serial interface (SPI)
- On-chip clock and internal 2.5 V reference
- Support for both unipolar and bipolar input ranges (e.g., 0 V to 10 V, ±10 V, ±5 V, ±3.3 V)
- Compact packaging options including 20-Lead Skinny SOIC and 28-Lead Skinny SSOP
Applications
- Automatic test equipment
- Process control and industrial automation
- High-speed data acquisition systems
- Medical and scientific instruments
Q & A
- What is the sampling rate of the AD977CRS?
The AD977CRS has a sampling rate of 100 kSPS. - What is the resolution of the AD977CRS?
The AD977CRS is a 16-bit analog-to-digital converter. - What type of data interface does the AD977CRS use?
The AD977CRS uses a high-speed SPI (Serial Peripheral Interface) for data communication. - What are the input ranges supported by the AD977CRS?
The AD977CRS supports both unipolar (e.g., 0 V to 10 V, 0 V to 5 V, 0 V to 4 V) and bipolar (e.g., ±10 V, ±5 V, ±3.3 V) input ranges. - What is the power consumption of the AD977CRS?
The AD977CRS has a maximum power dissipation of 100 mW and a power-down mode of 50 µW. - What are the packaging options for the AD977CRS?
The AD977CRS is available in 20-Lead Skinny SOIC and 28-Lead Skinny SSOP packages. - Is the AD977CRS factory calibrated?
Yes, the AD977CRS is factory calibrated to minimize linearity errors. - What is the operating temperature range of the AD977CRS?
The operating temperature range of the AD977CRS is -40°C to 85°C. - Does the AD977CRS have an internal reference?
Yes, the AD977CRS has an internal 2.5 V reference, and it also supports an external reference. - What are some common applications of the AD977CRS?
The AD977CRS is commonly used in automatic test equipment, process control, industrial automation, and high-speed data acquisition systems.
