Overview
The ADS8332IBRGER is a low-power, 16-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. This device is part of the ADS8332 series, which includes a unipolar 8-to-1 input multiplexer (mux). The ADS8332 is designed for high-speed and low-power applications, making it suitable for a variety of industrial and automotive uses. It operates over a wide temperature range of –40°C to 85°C and is available in 24-pin VQFN and TSSOP packages.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16 Bits | |
| Sampling Rate | Up to 500 kSPS | |
| Analog Supply Voltage | 2.7 V to 5.5 V | V |
| Digital Interface Supply Voltage | 1.65 V to VA | V |
| Power Consumption (250 kSPS, Auto-NAP Mode) | 8.7 mW (VA = 2.7 V, VBD = 1.65 V) | mW |
| Power Consumption (500 kSPS) | 14.2 mW (VA = 2.7 V, VBD = 1.65 V) | mW |
| Integral Linearity (INL) | ±1.2 LSB Typical, ±2 LSB Maximum at 2.7 V | LSB |
| Differential Linearity (DNL) | ±0.6 LSB Typical, –1/1.5 LSB Maximum at 2.7 V | LSB |
| Signal-to-Noise Ratio (SNR) at 5 V, fIN = 1 kHz | 91.5 dB | dB |
| Spurious Free Dynamic Range (SFDR) at 5 V, fIN = 1 kHz | 101 dB | dB |
| Total Harmonic Distortion (THD) at 5 V, fIN = 1 kHz | –100 dB | dB |
| Operating Temperature Range | –40°C to 85°C | °C |
| Package Type | 24-Pin VQFN, 24-Pin TSSOP |
Key Features
- Low-Power Operation: Flexible supply range from 2.7 V to 5.5 V, with power consumption as low as 8.7 mW at 250 kSPS in Auto-NAP mode.
- High-Speed Sampling: Up to 500 kSPS sampling rate.
- Excellent DC Performance: ±1.2 LSB typical, ±2 LSB maximum integral linearity (INL) and ±0.6 LSB typical, –1/1.5 LSB maximum differential linearity (DNL) at 2.7 V.
- Flexible Analog Input Arrangement: On-chip 8-channel multiplexer with breakout, auto/manual channel select, and trigger.
- Programmable Status/Polarity EOC/INT: End-of-conversion or interrupt output with programmable polarity.
- Daisy-Chain Mode: Supports daisy-chain operation for multiple converters.
- Powerdown Modes: Deep, Nap, and Auto-NAP powerdown modes for power efficiency.
- SPI™/DSP Compatible Serial Interface: High-speed serial interface with SCLK up to 40 MHz.
Applications
- Industrial Automation: Suitable for various industrial control and monitoring systems due to its high accuracy and low power consumption.
- Automotive Systems: Used in automotive applications requiring high reliability and wide temperature range operation.
- Medical Devices: Applicable in medical devices that require precise analog-to-digital conversion with low power consumption.
- Test and Measurement Equipment: Ideal for use in test and measurement instruments that demand high-speed and accurate data conversion.
Q & A
- What is the resolution of the ADS8332IBRGER?
The ADS8332IBRGER has a resolution of 16 bits.
- What is the maximum sampling rate of the ADS8332IBRGER?
The maximum sampling rate is up to 500 kSPS.
- What is the operating temperature range of the ADS8332IBRGER?
The operating temperature range is from –40°C to 85°C.
- What types of packages are available for the ADS8332IBRGER?
The device is available in 24-pin VQFN and 24-pin TSSOP packages.
- What is the power consumption of the ADS8332IBRGER at 250 kSPS in Auto-NAP mode?
The power consumption is approximately 8.7 mW at 250 kSPS in Auto-NAP mode (VA = 2.7 V, VBD = 1.65 V).
- Does the ADS8332IBRGER support daisy-chain operation?
Yes, it supports daisy-chain operation for multiple converters.
- What is the signal-to-noise ratio (SNR) of the ADS8332IBRGER at 5 V and fIN = 1 kHz?
The SNR is 91.5 dB at 5 V and fIN = 1 kHz.
- What are the powerdown modes available for the ADS8332IBRGER?
The device has Deep, Nap, and Auto-NAP powerdown modes for power efficiency.
- Is the ADS8332IBRGER compatible with SPI and DSP interfaces?
Yes, it is compatible with SPI and DSP interfaces, with SCLK up to 40 MHz.
- What is the typical integral linearity (INL) of the ADS8332IBRGER at 2.7 V?
The typical INL is ±1.2 LSB at 2.7 V.
