Overview
The ADS7866IDBVRG4 is a 12-bit, low-power, miniature analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the ADS7866 family, which includes the ADS7866, ADS7867, and ADS7868, offering different resolutions. The ADS7866IDBVRG4 is specifically designed for high-speed and low-power applications, making it suitable for a variety of uses including battery-powered systems, medical instruments, and portable communication devices.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12 Bits | |
| Integral Linearity | ±1.5 LSB | |
| Differential Linearity | –1 to +1.5 LSB | |
| Offset Error | –3 to +3 LSB | |
| Supply Voltage (VDD) | 1.2 to 3.6 V | V |
| Sampling Rate (fSAMPLE) | Up to 200 KSPS at VDD = 1.6 V to 3.6 V, up to 100 KSPS at VDD = 1.2 V | KSPS |
| Serial Clock Frequency (fSCLK) | Up to 3.4 MHz at VDD = 1.6 V to 3.6 V, up to 1.7 MHz at VDD = 1.2 V | MHz |
| Power Consumption (Typical) | 1.39 mW at 200 KSPS, VDD = 3.6 V; 0.39 mW at 200 KSPS, VDD = 1.6 V; 0.22 mW at 100 KSPS, VDD = 1.2 V | mW |
| Power-Down Mode | 8 nA Typical, 300 nA Maximum | nA |
| Operating Temperature Range | –40°C to 85°C | °C |
| Package | 6-Pin SOT-23 |
Key Features
- High-Speed Conversion: The ADS7866IDBVRG4 supports sampling rates up to 200 KSPS with a serial clock frequency of up to 3.4 MHz.
- Low Power Consumption: The device operates with low power consumption, typically 1.39 mW at 200 KSPS with VDD = 3.6 V, and automatically powers down after each conversion to save power.
- SPI Compatible Serial Interface: It features a high-speed SPI-compatible serial interface with no pipeline delays.
- Unipolar Input Range: The analog input range is from 0 V to VDD.
- Miniature Package: Available in a compact 6-pin SOT-23 package.
- High Accuracy: Offers high accuracy with integral linearity of ±1.5 LSB and differential linearity of –1 to +1.5 LSB.
Applications
- Battery Powered Systems: Ideal for battery-powered devices due to its low power consumption.
- Medical Instruments: Suitable for medical devices requiring high accuracy and low power.
- Portable Communication: Used in portable communication devices where high-speed conversion and low power are critical.
- Portable Data Acquisition Systems: Applicable in portable data acquisition systems that require compact and efficient ADCs.
- Automatic Test Equipment: Can be used in automatic test equipment where precision and speed are essential.
Q & A
- What is the resolution of the ADS7866IDBVRG4?
The ADS7866IDBVRG4 has a resolution of 12 bits. - What is the maximum sampling rate of the ADS7866IDBVRG4?
The maximum sampling rate is up to 200 KSPS at VDD = 1.6 V to 3.6 V and up to 100 KSPS at VDD = 1.2 V. - What is the typical power consumption of the ADS7866IDBVRG4?
The typical power consumption is 1.39 mW at 200 KSPS with VDD = 3.6 V, 0.39 mW at 200 KSPS with VDD = 1.6 V, and 0.22 mW at 100 KSPS with VDD = 1.2 V. - What is the operating temperature range of the ADS7866IDBVRG4?
The operating temperature range is –40°C to 85°C. - What type of package is the ADS7866IDBVRG4 available in?
The device is available in a 6-pin SOT-23 package. - Does the ADS7866IDBVRG4 have an SPI-compatible interface?
Yes, it features an SPI-compatible serial interface with no pipeline delays. - What is the analog input range of the ADS7866IDBVRG4?
The analog input range is from 0 V to VDD. - How does the ADS7866IDBVRG4 manage power consumption during idle periods?
The device automatically powers down after each conversion to save power. - What are some common applications of the ADS7866IDBVRG4?
Common applications include battery-powered systems, medical instruments, portable communication devices, portable data acquisition systems, and automatic test equipment. - What is the typical power consumption in power-down mode?
The typical power consumption in power-down mode is 8 nA.
