Overview
The AD976CR, produced by Analog Devices Inc., is a high-speed, low-power 16-bit analog-to-digital converter (ADC). This device operates from a single 5 V supply and is designed for applications requiring high throughput and precision. The AD976CR is part of the AD976/AD976A family, which features a successive approximation, switched capacitor architecture. It includes an internal 2.5 V reference and a high-speed parallel interface, making it suitable for direct connection to digital signal processors and microcontrollers.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Throughput Rate | 100 kSPS (AD976), 200 kSPS (AD976A) |
| Supply Voltage | Single 5 V |
| Power Dissipation | 100 mW max |
| Input Range | ±10 V |
| Reference Voltage | Internal 2.5 V |
| Interface | High-speed parallel interface |
| Package Options | 28-Lead Skinny DIP, SSOP, SOIC |
| Operating Temperature | –40°C to +85°C |
Key Features
- Fast throughput rates of 100 kSPS (AD976) and 200 kSPS (AD976A)
- Single 5 V supply operation with low power dissipation of 100 mW max
- Comprehensive DC and AC specifications, including SNR and THD, offset, gain, and linearity
- Internal 2.5 V reference and on-chip clock
- High-speed parallel interface for direct connection to digital signal processors and microcontrollers
- Successive approximation, switched capacitor architecture with binary weighted capacitors for high linearity
- No need for external sample/hold circuitry due to on-chip capacitor array
Applications
The AD976CR is suitable for a variety of applications that require high-speed and precise analog-to-digital conversion. These include:
- Digital signal processing systems
- Medical imaging and diagnostic equipment
- Industrial control and automation systems
- Aerospace and defense applications
- High-speed data acquisition systems
Q & A
- What is the resolution of the AD976CR?
The AD976CR has a resolution of 16 bits. - What are the throughput rates of the AD976 and AD976A?
The AD976 has a throughput rate of 100 kSPS, while the AD976A has a throughput rate of 200 kSPS. - What is the supply voltage for the AD976CR?
The AD976CR operates from a single 5 V supply. - What is the maximum power dissipation of the AD976CR?
The maximum power dissipation is 100 mW. - What is the input range of the AD976CR?
The input range is ±10 V. - Does the AD976CR have an internal reference voltage?
Yes, the AD976CR has an internal 2.5 V reference voltage. - What types of packages are available for the AD976CR?
The AD976CR is available in 28-Lead Skinny DIP, SSOP, and SOIC packages. - What is the operating temperature range of the AD976CR?
The operating temperature range is –40°C to +85°C. - Does the AD976CR require external sample/hold circuitry?
No, the AD976CR does not require external sample/hold circuitry due to its on-chip capacitor array. - How does the AD976CR achieve high linearity?
The AD976CR achieves high linearity through its successive approximation, switched capacitor architecture with binary weighted capacitors.
