Overview
The ADS8568SRGCR is a 16-bit, 8-channel, simultaneous sampling analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the ADS85x8 family, which includes 12-, 14-, and 16-bit variants. The ADS8568SRGCR features true bipolar inputs and is designed for high-speed signal acquisition, making it suitable for various industrial and data acquisition applications. It supports both parallel and serial interfaces with daisy-chain capability, enhancing its versatility in different system designs.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Maximum Data Rate per Channel | 510 kSPS (Parallel), 400 kSPS (Serial) |
| Signal-to-Noise Ratio (SNR) | 91.5 dB (Typical) |
| Total Harmonic Distortion (THD) | –94 dB (Typical) |
| Analog Input Voltage Range | ±4 VREF or ±2 VREF |
| Interface | Selectable Parallel or Serial with Daisy-Chain Capability |
| Power Consumption | 32 mW at 10 kSPS in Auto-Sleep Mode |
| Operating Temperature Range | –40°C to +125°C |
| Package | 64-pin VQFN (9x9 mm) |
Key Features
- Family of pin- and software-compatible ADCs with 12-, 14-, and 16-bit resolutions.
- Excellent AC performance with high SNR and low THD.
- Programmable, buffered internal reference supporting input voltage ranges up to ±12 V.
- Selectable parallel or serial interface with daisy-chain capability.
- Scalable low-power operation using auto-sleep mode.
- Fully specified over an extended industrial temperature range.
- True bipolar inputs and simultaneous high-speed signal acquisition.
Applications
- Protection Relays
- Power Quality Measurement
- Multi-Axis Motor Controls
- Programmable Logic Controllers
- Industrial Data Acquisition
Q & A
- What is the resolution of the ADS8568SRGCR?
The ADS8568SRGCR has a resolution of 16 bits. - What are the maximum data rates for the ADS8568SRGCR?
The maximum data rates are 510 kSPS in parallel mode and 400 kSPS in serial mode. - What is the signal-to-noise ratio (SNR) of the ADS8568SRGCR?
The SNR is 91.5 dB (Typical). - Can the ADS8568SRGCR operate in both parallel and serial interfaces?
Yes, it supports both parallel and serial interfaces with daisy-chain capability. - What is the power consumption of the ADS8568SRGCR in auto-sleep mode?
The power consumption is 32 mW at 10 kSPS in auto-sleep mode. - What is the operating temperature range of the ADS8568SRGCR?
The operating temperature range is –40°C to +125°C. - What type of package does the ADS8568SRGCR come in?
The ADS8568SRGCR comes in a 64-pin VQFN package (9x9 mm). - How many analog input channels does the ADS8568SRGCR have?
The ADS8568SRGCR has 8 analog input channels. - Can the internal reference of the ADS8568SRGCR be programmed?
Yes, the internal reference is programmable and buffered. - What are some typical applications of the ADS8568SRGCR?
Typical applications include protection relays, power quality measurement, multi-axis motor controls, programmable logic controllers, and industrial data acquisition.
