AD5686R 16-Bit Quad DAC IC
The AD5686R is a quad-channel, 16-bit digital-to-analog converter with SPI interface and internal reference, ideal for industrial control systems and precision instrumentation. It provides four independent DAC channels in a single 20-lead package. Classified as HTS 8542.39.0040 for its digital-to-analog conversion function.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as having memory functions (EEPROM)
ICs with significant non-volatile memory capacity are classified as memory ICs under 8542.32 regardless of DAC function.
If part of power supply reference circuitry
DACs integral to power supply voltage regulation may be classified as power supply parts.
If for laser systems or optical instruments
Precision DACs designed for laser control fall under optical instrument parts in Chapter 90.
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Import Tips & Compliance
• Include reference voltage specifications and channel independence documentation to verify multi-channel DAC classification
• Comply with ITAR restrictions if destined for defense applications; obtain necessary export licenses from origin country
• Avoid declaring as mixed signal IC; customs rulings specify pure DAC function for this subheading
Related Products under HTS 8542.39.00.40
PCM5102A 2-Channel Audio DAC Chip
The PCM5102A is a stereo digital-to-analog converter integrated circuit designed for high-quality audio output in portable devices and home audio systems. It converts digital audio signals to analog for driving headphones or speakers. Classified under HTS 8542.39.0040 as a digital to analog converter (DAC) integrated circuit.
TDA1545A High-End Audio DAC IC
The TDA1545A is a classic 16-bit multibit audio digital-to-analog converter using R-2R ladder architecture, renowned for its analog-like sound quality in high-end CD players. It features separate digital and analog power supplies for optimal performance. HTS 8542.39.0040 for premium audio DAC chips.
LTC2662-16 Quad 16-Bit DAC
The LTC2662-16 provides four independent 16-bit digital-to-analog converters with ±15ppm/°C precision references, ideal for automatic test equipment and calibration systems. Features soft-start and fast-settling specifications. Classified HTS 8542.39.0040 as precision instrumentation DAC.
WM8731 Audio Codec DAC
The WM8731 is a low-power stereo audio DAC with headphone driver, designed for portable multimedia applications with I2S interface and programmable controls. While technically a codec, primary function is high-quality audio digital-to-analog conversion. Classified HTS 8542.39.0040 focusing on DAC capability.
ADS8681 Reference DAC
The ADS8681 series precision digital-to-analog converters provide stable voltage references for high-accuracy data acquisition systems and sensor interfaces. Features low noise, low drift specifications for 24-bit ADC applications. HTS 8542.39.0040 for reference-grade DAC ICs.
MCP4725 I2C 12-Bit DAC Module
The MCP4725 is a single-channel, 12-bit digital-to-analog converter with I2C interface, commonly used in microcontroller projects for generating analog voltages. It features internal EEPROM for storing DAC register values. Falls under HTS 8542.39.0040 as a dedicated DAC integrated circuit.