Overview
The ADS8509IBDBG4, 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, capacitor-based, 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 fully specified over the industrial temperature range of -40°C to 85°C. The ADS8509IBDBG4 is designed for high accuracy and reliability, making it suitable for various industrial and medical applications.
Key Specifications
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| Resolution | Bits | 16 | 16 | 16 |
| Analog Input Voltage Range | V | ±3.33, ±5, ±10, 0-4, 0-5, 0-10 | ||
| Integral Linearity Error (INL) | LSB | -3 | 3 | |
| Differential Linearity Error (DNL) | LSB | -2 | 2 | |
| Throughput Rate | kHz | 250 | 250 | 250 |
| Power Dissipation | mW | 70 | 100 | 100 |
| Supply Voltage (VANA, VDIG) | V | 4.75 | 5 | 5.25 |
| Operating Temperature Range | °C | -40 | 85 | |
| Storage Temperature Range | °C | -65 | 150 |
Key Features
- 250-kHz sampling rate
- SPI compatible serial output with daisy-chain (TAG) feature
- Single 5-V supply operation
- Internal or external reference options
- ±2 LSB max INL and ±1 LSB max DNL, with no missing codes
- 70-mW typical power dissipation at 250 KSPS
- Available in 20-pin SO and 28-pin SSOP packages
- Simple DSP interface
- ±25-V overvoltage protection on analog input pins
Applications
- Industrial process control
- Data acquisition systems
- Digital signal processing
- Medical equipment
- Instrumentation
Q & A
- What is the resolution of the ADS8509IBDBG4? The resolution is 16 bits.
- What are the available analog input voltage ranges for the ADS8509IBDBG4? The available ranges include ±3.33 V, ±5 V, ±10 V, 0-4 V, 0-5 V, and 0-10 V.
- What is the typical power dissipation of the ADS8509IBDBG4 at 250 KSPS? The typical power dissipation is 70 mW.
- Can the ADS8509IBDBG4 use an external reference? Yes, it can use either an internal or an external reference.
- What is the operating temperature range of the ADS8509IBDBG4? The operating temperature range is -40°C to 85°C.
- What are the package options for the ADS8509IBDBG4? It is available in 20-pin SO and 28-pin SSOP packages.
- Does the ADS8509IBDBG4 have overvoltage protection on its analog input pins? Yes, it has ±25-V overvoltage protection on the analog input pins.
- How does the TAG feature work in the ADS8509IBDBG4? The TAG feature allows multiple ADS8509 converters to be cascaded together, enabling data from multiple converters to be read on a single serial line.
- What is the throughput rate of the ADS8509IBDBG4? The throughput rate is 250 kHz.
- Can the ADS8509IBDBG4 be used in medical equipment? Yes, it is suitable for use in medical equipment due to its high accuracy and reliability.
