Overview
The ADS8509IBDB, produced by Texas Instruments, is a 16-bit sampling analog-to-digital (A/D) converter that integrates a sample-and-hold circuit, reference, clock, and a serial data interface. This converter is designed for high precision and versatility, operating from a single 5-V supply with low power dissipation. It is available in 20-pin SO and 28-pin SSOP packages, ensuring compatibility with a wide range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16 | Bits |
| Analog Input Voltage Range | ±10 V, 0 V to 5 V, etc. | V |
| Sampling Rate | 250 kHz | kHz |
| Integral Linearity Error (INL) | -3 to 3 LSB | LSB |
| Differential Linearity Error (DNL) | -2 to 2 LSB | LSB |
| No Missing Codes | Yes | |
| Internal Reference Voltage | 2.48 to 2.52 V | V |
| Power Dissipation | 70 mW (typ) at 250 KSPS | mW |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Types | 20-pin SO, 28-pin SSOP |
Key Features
- SPI compatible serial output with daisy-chain (TAG) feature
- Single 5-V supply operation
- Internal or external reference options
- Precision resistors for various input ranges
- Low power dissipation under 100 mW
- Simple DSP interface
- ±1 LSB max DNL, no missing codes
- Data output in straight binary or binary two’s complement format
Applications
- Industrial Process Control
- Data Acquisition Systems
- Digital Signal Processing
- Medical Equipment
- Instrumentation
Q & A
- What is the resolution of the ADS8509IBDB? The resolution is 16 bits.
- What are the available analog input voltage ranges for the ADS8509IBDB? The ranges include ±10 V, 0 V to 5 V, and others.
- What is the sampling rate of the ADS8509IBDB? The sampling rate is 250 kHz.
- Can the ADS8509IBDB use an external reference? Yes, it can use an external reference voltage between 2.3 V and 2.7 V.
- What is the typical power dissipation of the ADS8509IBDB at 250 KSPS? The typical power dissipation is 70 mW.
- What are the package types available for the ADS8509IBDB? It is available in 20-pin SO and 28-pin SSOP packages.
- How does the TAG feature work in the ADS8509IBDB? The TAG feature allows multiple converters to be cascaded together, enabling data from multiple converters to be read on a single serial line.
- What is the operating temperature range of the ADS8509IBDB? The operating temperature range is -40°C to 85°C.
- Can the ADS8509IBDB operate with an internal clock or an external clock? Yes, it can operate with either an internal clock or an external clock.
- What are the typical applications of the ADS8509IBDB? Typical applications include industrial process control, data acquisition systems, digital signal processing, medical equipment, and instrumentation.
