Overview
The ADS8328IBPWR is a 16-bit, 500-kSPS analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the ADS8328 family, which includes a 2-to-1 input multiplexer and is based on a 16-bit capacitor-based SAR (Successive Approximation Register) A/D converter with inherent sample and hold. It operates over a wide analog supply range of 2.7V to 5.5V and is designed for low power consumption, making it suitable for various industrial and medical applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Analog Supply Voltage (+VA) | 2.7 | - | 5.5 | V |
| Sampling Rate | - | 500 | - | kSPS |
| Resolution | - | 16 | - | Bits |
| Integral Linearity (INL) | -3 | ±1.5 | 2 | LSB |
| Differential Linearity (DNL) | -1 | ±0.6 | 1 | LSB |
| Offset Error at 2.7V | - | ±0.5 | - | mV |
| Offset Error at 5V | - | ±1 | - | mV |
| Signal-to-Noise Ratio (SNR) at 10 kHz | - | 91 | - | dB |
| Spurious-Free Dynamic Range (SFDR) at 10 kHz | - | 100 | - | dB |
| Total Harmonic Distortion (THD) at 10 kHz | - | -96 | - | dB |
| Operating Temperature Range | -40 | - | 85 | °C |
| Package Type | - | 16-Pin TSSOP | - | - |
Key Features
- Low power consumption: 10.6 mW at 500 kHz with +VA = 2.7 V and +VBD = 1.8 V.
- High-speed serial interface: SPI/DSP compatible with SCLK up to 50 MHz.
- Comprehensive power-down modes: Deep Power-Down, Nap Power-Down, and Auto Nap Power-Down.
- Unipolar input range: 0 V to VREF.
- Built-in conversion clock (CCLK) and software reset capability.
- Global CONVST (independent of CS) and programmable status/polarity EOC/INT.
- Multi-chip daisy chain mode and programmable TAG bit output.
- Auto/Manual channel select mode.
Applications
- Communications and transducer interfaces.
- Medical instruments.
- Magnetometers.
- Industrial process control.
- Data acquisition systems.
- Automatic test equipment.
Q & A
- What is the resolution of the ADS8328IBPWR? The resolution is 16 bits.
- What is the sampling rate of the ADS8328IBPWR? The sampling rate is 500 kSPS.
- What is the operating temperature range of the ADS8328IBPWR? The operating temperature range is –40°C to +85°C.
- What are the power-down modes available in the ADS8328IBPWR? The available power-down modes are Deep Power-Down, Nap Power-Down, and Auto Nap Power-Down.
- Does the ADS8328IBPWR support multi-chip daisy chain mode? Yes, it supports multi-chip daisy chain mode.
- What is the input range of the ADS8328IBPWR? The input range is unipolar from 0 V to VREF.
- What is the signal-to-noise ratio (SNR) of the ADS8328IBPWR at 10 kHz? The SNR is 91 dB at 10 kHz.
- What is the spurious-free dynamic range (SFDR) of the ADS8328IBPWR at 10 kHz? The SFDR is 100 dB at 10 kHz.
- What is the total harmonic distortion (THD) of the ADS8328IBPWR at 10 kHz? The THD is –96 dB at 10 kHz.
- What package types are available for the ADS8328IBPWR? It is available in a 16-Pin TSSOP package.
