Overview
The ADS8509IDWG4, produced by Texas Instruments, is a 16-bit sampling analog-to-digital (A/D) converter. This device utilizes state-of-the-art CMOS structures and includes a complete 16-bit successive approximation register (SAR) A/D converter with sample-and-hold, reference, clock, and a serial data interface. It operates at a 250-kHz sampling rate and is designed for high precision and low power consumption, making it suitable for various industrial and medical applications.
Key Specifications
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| Resolution | Bits | 16 | 16 | 16 |
| Sampling Rate | kHz | 250 | 250 | 250 |
| Input Voltage Ranges | V | 4, 5, 10, ±3.33, ±5, ±10 | ||
| Integral Linearity Error (INL) | LSB | -3 | 3 | |
| Differential Linearity Error (DNL) | LSB | -2 | 2 | |
| Power Dissipation at 250 KSPS | mW | 70 | 100 | 100 |
| Operating Temperature Range | °C | -40 | 85 | |
| Package Types | 20-pin SO, 28-pin SSOP |
Key Features
- High Precision: ±2 LSB Max INL and ±1 LSB Max DNL, ensuring high accuracy in conversions.
- Flexible Input Ranges: Supports various input voltage ranges including 4 V, 5 V, 10 V, ±3.33 V, ±5 V, and ±10 V.
- Single 5-V Supply: Operates from a single +5-V supply with low power dissipation under 100 mW.
- SPI Compatible Serial Output: Data output is synchronized to either an internal or external data clock, with support for daisy-chaining multiple converters.
- Simple DSP Interface: Provides an output synchronization pulse for ease of use with standard DSP processors.
- Internal or External Reference: Allows the use of either an internal or external reference voltage.
Applications
- Industrial Automation: Suitable for precision measurement and control systems.
- Medical Devices: Used in medical equipment requiring high accuracy and reliability.
- Test and Measurement Equipment: Ideal for multimeters, oscilloscopes, and other precision measurement tools.
- Aerospace and Defense: Applied in various military and aerospace applications requiring high precision and reliability.
Q & A
- What is the resolution of the ADS8509IDWG4?
The resolution of the ADS8509IDWG4 is 16 bits.
- What is the sampling rate of the ADS8509IDWG4?
The sampling rate is 250 kHz.
- What are the supported input voltage ranges for the ADS8509IDWG4?
The device supports input voltage ranges of 4 V, 5 V, 10 V, ±3.33 V, ±5 V, and ±10 V.
- Can the ADS8509IDWG4 operate from a single supply voltage?
- What types of packages are available for the ADS8509IDWG4?
The device is available in 20-pin SO and 28-pin SSOP packages.
- How does the ADS8509IDWG4 handle data output?
Data can be output using either an internal clock or synchronized to an external data clock, with support for daisy-chaining multiple converters.
- What is the power dissipation of the ADS8509IDWG4 at 250 KSPS?
The power dissipation is typically 70 mW at 250 KSPS.
- What is the operating temperature range of the ADS8509IDWG4?
The operating temperature range is from -40°C to 85°C.
- Can the ADS8509IDWG4 use an external reference voltage?
- How does the ADS8509IDWG4 interface with DSP processors?
The device provides an output synchronization pulse for ease of use with standard DSP processors.
