Overview
The ADS8332IBPW, produced by Texas Instruments, is a low-power, 16-bit analog-to-digital converter (ADC) with a sampling rate of up to 500 kSPS. This device features an 8-to-1 unipolar input multiplexer and is designed for high-performance applications requiring low power consumption and excellent DC and AC performance.
The ADS8332 is part of the ADS833x family, which includes devices with 4-to-1 and 8-to-1 multiplexers. It is available in 24-pin TSSOP and 24-pin 4-mm × 4-mm VQFN packages and is fully specified for operation over the industrial temperature range of –40°C to 85°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Analog Supply Voltage | 2.7 V to 5.5 V | V |
| Sampling Rate | Up to 500 kSPS | kSPS |
| Resolution | 16 Bits | Bits |
| Integral Nonlinearity (INL) | ±1.2 LSB (Typical), ±2 LSB (Maximum) | LSB |
| Differential Nonlinearity (DNL) | ±0.6 LSB (Typical), –1/1.5 LSB (Maximum) | LSB |
| Signal-to-Noise Ratio (SNR) | 91.5 dB at 5 V, fIN = 1 kHz | dB |
| Spurious Free Dynamic Range (SFDR) | 101 dB at 5 V, fIN = 1 kHz | dB |
| Total Harmonic Distortion (THD) | –100 dB at 5 V, fIN = 1 kHz | dB |
| Power Consumption | 8.7 mW (250 kSPS in Auto-NAP Mode), 14.2 mW (500 kSPS) | mW |
| Operating Temperature Range | –40°C to 85°C | °C |
| Package Type | 24-Pin TSSOP, 24-Pin 4-mm × 4-mm VQFN |
Key Features
- Low-Power, Flexible Supply Range: 2.7 V to 5.5 V Analog Supply
- Up to 500 kSPS Sampling Rate
- Excellent DC Performance: ±1.2 LSB Typical, ±2 LSB Maximum INL at 2.7 V
- Excellent AC Performance: 91.5 dB SNR, 101 dB SFDR, –100 dB THD at 5 V, fIN = 1 kHz
- Flexible Analog Input Arrangement: On-Chip 8-Channel Mux With Breakout, Auto/Manual Channel Select and Trigger
- On-Chip Conversion Clock (CCLK), Software/Hardware Reset, Programmable Status/Polarity EOC/INT
- Daisy-Chain Mode, Global CONVST (Independent of CS)
- Deep, Nap, and Auto-NAP Powerdown Modes
- SPI™/DSP Compatible Serial Interface, Separate I/O Supply: 1.65 V to VA
- SCLK up to 40 MHz (VA = VBD = 5 V)
Applications
The ADS8332IBPW is suitable for a variety of high-performance applications that require low power consumption and precise analog-to-digital conversion. These include:
- Industrial Automation and Control Systems
- Medical Devices and Diagnostic Equipment
- Aerospace and Defense Systems
- Automotive Systems (though not AEC-Q100 qualified)
- Data Acquisition Systems
- Test and Measurement Equipment
Q & A
- What is the sampling rate of the ADS8332IBPW?
The ADS8332IBPW has a sampling rate of up to 500 kSPS.
- What is the resolution of the ADS8332IBPW?
The resolution of the ADS8332IBPW is 16 bits.
- What is the operating temperature range of the ADS8332IBPW?
The operating temperature range is –40°C to 85°C.
- What types of packages are available for the ADS8332IBPW?
The device is available in 24-pin TSSOP and 24-pin 4-mm × 4-mm VQFN packages.
- Does the ADS8332IBPW support daisy-chain operation?
- What is the power consumption of the ADS8332IBPW at different sampling rates?
The power consumption is 8.7 mW at 250 kSPS in Auto-NAP Mode and 14.2 mW at 500 kSPS.
- What is the signal-to-noise ratio (SNR) of the ADS8332IBPW?
The SNR is 91.5 dB at 5 V, fIN = 1 kHz.
- Does the ADS8332IBPW have any powerdown modes?
- What type of serial interface does the ADS8332IBPW support?
The device supports SPI™/DSP compatible serial interface.
- Is the ADS8332IBPW compliant with RoHS regulations?
