Overview
The ADS8328IBPW is a low-power, 16-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. This device is part of the ADS8328 series and features a 2-to-1 input multiplexer, making it versatile for various applications. It operates within a wide voltage range and is known for its high-speed and low-power consumption. The ADS8328IBPW is available in a 16-pin TSSOP package and is fully specified for operation over the industrial temperature range of –40°C to +85°C.
Key Specifications
| Specification | Value |
|---|---|
| Analog Supply Voltage | 2.7 V to 5.5 V |
| Resolution | 16-bit |
| Sampling Rate | 500 kSPS |
| Input Range | Unipolar: 0 V to VREF |
| Power Consumption | 10.6 mW (500 kHz, +VA = 2.7 V, +VBD = 1.8 V) |
| Integral Nonlinearity (INL) | ±1.5 LSB Typ, ±2 LSB Max |
| Differential Nonlinearity (DNL) | ±0.6 LSB Typ, ±1 LSB Max |
| Offset Error | ±0.5 mV Max at 2.7 V, ±1 mV Max at 5 V |
| Signal-to-Noise Ratio (SNR) | 91 dB at fi = 10 kHz |
| Spurious Free Dynamic Range (SFDR) | 100 dB at fi = 10 kHz |
| Total Harmonic Distortion (THD) | –96 dB at fi = 10 kHz |
| Package Type | 16-pin TSSOP |
| Operating Temperature Range | –40°C to +85°C |
| I/O Supply Voltage | 1.65 V to 1.5×(+VA) |
| SCLK Frequency | Up to 50 MHz |
Key Features
- Low power consumption: 10.6 mW at 500 kHz sampling rate.
- Excellent DC performance: ±1.5 LSB Typ, ±2 LSB Max INL, ±0.6 LSB Typ, ±1 LSB Max DNL.
- High AC performance: 91 dB SNR, 100 dB SFDR, –96 dB THD at fi = 10 kHz.
- Built-in conversion clock (CCLK) and SPI/DSP compatible serial interface with SCLK up to 50 MHz.
- Comprehensive power-down modes: Deep Power-Down, Nap Power-Down, Auto Nap Power-Down.
- Software reset and global CONVST (independent of CS).
- Programmable status/polarity EOC/INT and TAG bit output.
- Multi-chip daisy chain mode and auto/manual channel select mode.
Applications
- Communications
- Transducer Interface
- Medical Instruments
- Magnetometers
- Industrial Process Control
- Data Acquisition Systems
- Automatic Test Equipment.
Q & A
- What is the resolution of the ADS8328IBPW ADC?
The ADS8328IBPW has a 16-bit resolution. - What is the sampling rate of the ADS8328IBPW?
The sampling rate is 500 kSPS. - What is the operating voltage range of the ADS8328IBPW?
The device operates within an analog supply voltage range of 2.7 V to 5.5 V. - What are the power-down modes available in the ADS8328IBPW?
The device features Deep Power-Down, Nap Power-Down, and Auto Nap Power-Down modes. - What is the package type of the ADS8328IBPW?
The device is available in a 16-pin TSSOP package. - What are the key applications of the ADS8328IBPW?
Key applications include communications, transducer interfaces, medical instruments, magnetometers, industrial process control, data acquisition systems, and automatic test equipment. - What is the operating temperature range of the ADS8328IBPW?
The device operates over the industrial temperature range of –40°C to +85°C. - Does the ADS8328IBPW support multi-chip daisy chain mode?
Yes, the device supports multi-chip daisy chain mode. - What is the maximum SCLK frequency for the ADS8328IBPW?
The maximum SCLK frequency is up to 50 MHz. - What are the key DC performance specifications of the ADS8328IBPW?
The device has an INL of ±1.5 LSB Typ, ±2 LSB Max, and a DNL of ±0.6 LSB Typ, ±1 LSB Max).
