Overview
The ADS8332IBRGET is a low-power, 16-bit analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the ADS8332 series and features a unipolar 8-to-1 input multiplexer (mux). It is based on a 16-bit capacitor-based successive approximation register (SAR) ADC with inherent sample and hold capabilities. The ADS8332 is designed for high-speed and low-power applications, making it suitable for various industrial and embedded systems.
Key Specifications
| Parameter | Value |
|---|---|
| Analog Supply Voltage | 2.7 V to 5.5 V |
| Sampling Rate | Up to 500 kSPS |
| Resolution | 16-bit |
| Input Multiplexer | Unipolar 8-to-1 |
| Power Consumption | 8.7 mW (250 kSPS in Auto-NAP Mode), 14.2 mW (500 kSPS) |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | 24-pin VQFN (RGE) and 24-pin TSSOP |
| Integral Nonlinearity (INL) | ±1.2 LSB Typical, ±2 LSB Maximum at 2.7 V |
| Differential Nonlinearity (DNL) | ±0.6 LSB Typical, -1/1.5 LSB Maximum at 2.7 V |
| Signal-to-Noise Ratio (SNR) | 91.5 dB at 5 V, fIN = 1 kHz |
| Spurious Free Dynamic Range (SFDR) | 101 dB at 5 V, fIN = 1 kHz |
| Total Harmonic Distortion (THD) | -100 dB at 5 V, fIN = 1 kHz |
Key Features
- Low-power operation with flexible supply range (2.7 V to 5.5 V)
- High-speed sampling rate up to 500 kSPS
- Excellent DC performance with ±1.2 LSB typical INL and ±0.6 LSB typical DNL at 2.7 V
- On-chip 8-channel multiplexer with breakout and auto/manual channel select and trigger
- On-chip conversion clock (CCLK) and software/hardware reset
- Programmable status/polarity EOC/INT and daisy-chain mode
- Deep, nap, and auto-NAP powerdown modes
- SPI™/DSP compatible serial interface with separate I/O supply (1.65 V to VA)
- SCLK up to 40 MHz (VA = VBD = 5 V)
Applications
The ADS8332IBRGET is suitable for a variety of applications, including industrial automation, medical devices, data acquisition systems, and embedded systems that require high-speed, low-power analog-to-digital conversion. Its ability to operate over a wide temperature range and its flexible input multiplexer make it a versatile component for various measurement and control systems.
Q & A
- What is the sampling rate of the ADS8332IBRGET?
The ADS8332IBRGET has a sampling rate of up to 500 kSPS. - What is the resolution of the ADS8332IBRGET?
The resolution of the ADS8332IBRGET is 16 bits. - What type of input multiplexer does the ADS8332IBRGET have?
The ADS8332IBRGET features a unipolar 8-to-1 input multiplexer. - What is the power consumption of the ADS8332IBRGET?
The power consumption is 8.7 mW at 250 kSPS in Auto-NAP mode and 14.2 mW at 500 kSPS. - What is the operating temperature range of the ADS8332IBRGET?
The operating temperature range is -40°C to 85°C. - What package types are available for the ADS8332IBRGET?
The ADS8332IBRGET is available in 24-pin VQFN (RGE) and 24-pin TSSOP packages. - What is the integral nonlinearity (INL) of the ADS8332IBRGET?
The INL is ±1.2 LSB typical and ±2 LSB maximum at 2.7 V. - What is the differential nonlinearity (DNL) of the ADS8332IBRGET?
The DNL is ±0.6 LSB typical and -1/1.5 LSB maximum at 2.7 V. - What are the AC performance specifications of the ADS8332IBRGET at 5 V and fIN = 1 kHz?
The AC performance includes 91.5 dB SNR, 101 dB SFDR, and -100 dB THD. - Does the ADS8332IBRGET support daisy-chain operation?
Yes, the ADS8332IBRGET supports daisy-chain operation when multiple converters are used.
