Overview
The ADS8509IDW is a 16-bit sampling analog-to-digital (A/D) converter produced by Texas Instruments. This device utilizes state-of-the-art CMOS structures and includes a complete 16-bit, capacitor-based, successive approximation register (SAR) A/D converter with sample-and-hold, reference, clock, and a serial data interface. It is designed to operate at a 250-kHz sampling rate and is fully specified over the industrial temperature range of -40°C to 85°C. The ADS8509IDW is notable for its versatility, offering various input ranges and the ability to use either an internal or external reference voltage.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16-bit | |
| Sampling Rate | 250 kHz | |
| Input Ranges | 4 V, 5 V, 10 V, ±3.33 V, ±5 V, ±10 V | |
| DNL (Max) | ±1 LSB | |
| INL (Max) | ±2 LSB | |
| Power Supply | Single 5 V | |
| Power Dissipation (Typ) | 70 mW at 250 kSPS | |
| Operating Temperature Range | -40°C to 85°C | |
| Package | 20-pin SOIC (DW), 28-pin SSOP |
Key Features
- SPI Compatible Serial Output with Daisy-Chain (TAG) Feature
- Uses Internal or External Reference
- Pin-Compatible with ADS7809 (Low Speed) and 12-Bit ADS8508/7808
- Simple DSP Interface
- No Missing Codes, 16-Bit Resolution
- Low Power Dissipation: 70 mW at 250 kSPS
Applications
- Industrial Process Control
- Data Acquisition Systems
- Digital Signal Processing
- Medical Equipment
- Instrumentation
Q & A
- What is the resolution of the ADS8509IDW?
The ADS8509IDW has a 16-bit resolution.
- What are the input ranges supported by the ADS8509IDW?
The input ranges include 4 V, 5 V, 10 V, ±3.33 V, ±5 V, and ±10 V.
- What is the sampling rate of the ADS8509IDW?
The sampling rate is 250 kHz.
- Can the ADS8509IDW use an external reference voltage?
- What is the typical power dissipation of the ADS8509IDW at 250 kSPS?
The typical power dissipation is 70 mW at 250 kSPS.
- What are the package options for the ADS8509IDW?
The ADS8509IDW is available in 20-pin SOIC (DW) and 28-pin SSOP packages.
- What is the operating temperature range of the ADS8509IDW?
The operating temperature range is -40°C to 85°C.
- Does the ADS8509IDW support SPI compatible serial output?
- Is the ADS8509IDW pin-compatible with other models?
- What are some typical applications of the ADS8509IDW?
Typical applications include industrial process control, data acquisition systems, digital signal processing, medical equipment, and instrumentation.
