Overview
The ADS8519IDB from Texas Instruments is a 16-bit, 250kSPS (kilosamples per second), serial, CMOS (Complementary Metal-Oxide-Semiconductor) analog-to-digital converter (ADC). This device utilizes state-of-the-art CMOS structures and features a successive approximation register (SAR) architecture with a sample-and-hold circuit, internal reference, and a serial data interface. It is designed for high accuracy and reliability, making it suitable for various industrial and medical applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16 Bits | |
| Sampling Rate | 250 kSPS | |
| Analog Input Ranges | ±10V, ±5V, 0V to 8.192V | |
| Integral Linearity Error (INL) | ±1.5 LSB | |
| Differential Linearity Error (DNL) | ±1 LSB | |
| Signal-to-Noise Ratio (SNR) | 93 dB (at 20 kHz input) | |
| Signal-to-(Noise + Distortion) Ratio (SINAD) | 91 dB (at 20 kHz input) | |
| Full-Power Bandwidth | 500 kHz | |
| Analog Supply Voltage | 5V | |
| Digital Supply Voltage | 1.65V to 5.25V | |
| Power Dissipation | 110 mW (typical at 250 kSPS) | |
| Operating Temperature Range | –40°C to +85°C | |
| Package | 28-Pin SSOP |
Key Features
- SPI-compatible serial output with daisy-chain and 3-state bus capability
- No external precision resistors required due to internal precision resistors
- Internal or external reference options with a 4.096V internal reference voltage
- Low power dissipation of 110 mW at 250 kSPS
- Pinout similar to 16-bit ADS7809 and 12-bit ADS7808 and ADS8508
- Simple DSP interface with output synchronization pulse
- High accuracy with ±1.5 LSB max INL and ±1 LSB max DNL, and no missing codes
Applications
- Industrial Process Control
- Data Acquisition Systems
- Digital Signal Processing
- Medical Equipment
- Instrumentation
Q & A
- What is the resolution of the ADS8519IDB?
The ADS8519IDB has a resolution of 16 bits. - What are the analog input ranges for the ADS8519IDB?
The analog input ranges include ±10V, ±5V, and 0V to 8.192V. - What is the sampling rate of the ADS8519IDB?
The sampling rate is 250 kSPS. - What is the signal-to-noise ratio (SNR) of the ADS8519IDB?
The SNR is 93 dB at a 20 kHz input. - Does the ADS8519IDB require external precision resistors?
No, it does not require external precision resistors due to its internal precision resistors. - What is the power dissipation of the ADS8519IDB at 250 kSPS?
The power dissipation is typically 110 mW at 250 kSPS. - What is the operating temperature range of the ADS8519IDB?
The operating temperature range is –40°C to +85°C. - What type of package is the ADS8519IDB available in?
The ADS8519IDB is available in a 28-pin SSOP package. - What are some common applications of the ADS8519IDB?
Common applications include industrial process control, data acquisition systems, digital signal processing, medical equipment, and instrumentation. - Does the ADS8519IDB support both internal and external reference voltages?
Yes, it supports both internal and external reference voltages.
