Overview
The ADS8328IPWR from Texas Instruments is a low-power, 16-bit analog-to-digital converter (ADC) designed for high-speed and high-accuracy applications. This device operates with a unipolar input and features a 2-to-1 input multiplexer, allowing for flexible input channel selection. The ADS8328IPWR is part of the SAR (Successive Approximation Register) converter family and is known for its excellent AC performance and low power consumption.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Resolution | 16 Bits | - | - | - |
| Sample Rate | - | 500 kHz | - | - |
| Analog Supply Voltage (+VA) | 2.7 V | - | 5.5 V | V |
| Interface Supply Voltage (+VBD) | 1.65 V | - | 1.5 × (+VA) | V |
| Offset Error | -0.8 mV | - | 0.8 mV | mV |
| Integral Linearity (INL) | -3 LSB | - | 3 LSB | LSB |
| Differential Linearity (DNL) | -1 LSB | - | 2 LSB | LSB |
| Signal-to-Noise Ratio (SNR) | - | 91 dB | - | dB |
| Spurious-Free Dynamic Range (SFDR) | - | 100 dB | - | dB |
| Total Harmonic Distortion (THD) | - | -96 dB | - | dB |
| Operating Temperature Range | -40°C | - | 85°C | °C |
| Package Type | - | - | 16-TSSOP | - |
Key Features
- Low power consumption with supply currents as low as 5 mA at 500 kSPS and 0.2 mA in NAP/Auto-NAP mode.
- High-speed serial interface with SCLK up to 50 MHz, supporting SPI and DSP compatible serial interfaces.
- Comprehensive power-down modes including Deep Power-Down, Nap Power-Down, and Auto Nap Power-Down.
- Programmable status/polarity EOC/INT and global CONVST independent of CS.
- Multi-chip daisy chain mode for multiple converter operations.
- Programmable TAG bit output and auto/manual channel select mode.
- Excellent AC performance with 91 dB SNR, 100 dB SFDR, and -96 dB THD at 10 kHz input frequency.
Applications
The ADS8328IPWR is suitable for a variety of high-performance applications, including:
- Automatic Test Equipment (ATE): Due to its high accuracy and speed, it is ideal for testing and measurement equipment.
- Industrial Control Systems: The device's robust performance over a wide temperature range makes it suitable for industrial control and monitoring systems.
- Medical Devices: Its low power consumption and high accuracy make it a good fit for medical diagnostic equipment.
- Data Acquisition Systems: The ADS8328IPWR can be used in data acquisition systems that require high-speed and high-resolution conversions.
Q & A
- What is the resolution of the ADS8328IPWR?
The ADS8328IPWR has a resolution of 16 bits. - What is the maximum sample rate of the ADS8328IPWR?
The maximum sample rate is 500 kHz. - What is the operating temperature range of the ADS8328IPWR?
The operating temperature range is from -40°C to 85°C. - Does the ADS8328IPWR support multiple input channels?
Yes, it features a 2-to-1 input multiplexer, allowing for two input channels. - What are the power-down modes available in the ADS8328IPWR?
The device supports Deep Power-Down, Nap Power-Down, and Auto Nap Power-Down modes. - Can the ADS8328IPWR operate in daisy chain mode?
Yes, it supports multi-chip daisy chain mode for multiple converter operations. - What is the typical supply current at 500 kSPS?
The typical supply current at 500 kSPS is around 5 mA. - What is the signal-to-noise ratio (SNR) of the ADS8328IPWR?
The SNR is typically 91 dB at 10 kHz input frequency. - What is the spurious-free dynamic range (SFDR) of the ADS8328IPWR?
The SFDR is typically 100 dB at 10 kHz input frequency. - What is the total harmonic distortion (THD) of the ADS8328IPWR?
The THD is typically -96 dB at 10 kHz input frequency.
