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Product Detailed Parameters
- Description：IC DAC 6CH 24BIT 192KHZ 48LQFP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bag
- Number of Bits：-
- Number of D/A Converters：-
- Settling Time：-
- Output Type：-
- Differential Output：-
- Data Interface：-
- Reference Type：-
- Voltage - Supply, Analog：-
- Voltage - Supply, Digital：-
- INL/DNL (LSB)：-
- Architecture：-
- Operating Temperature：-
- Package / Case：48-LQFP
- Supplier Device Package：48-LQFP (7x7)
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
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Overview
The AD1833CST is a six-channel, 24-bit digital-to-analog converter (DAC) from Analog Devices, housed in a 48-lead LQFP package. It supports sample rates of 96 kHz across all channels and 192 kHz on two channels. Key electrical specifications include a dynamic range of 107 dB and a signal-to-noise ratio of 110 dB. The device operates on a single 5 V analog supply and a separate digital supply ranging from 3.3 V to 5 V. It features an SPI control interface, differential outputs, and integrated interpolation filters for high-fidelity audio playback.
Feature Summary
- Six independent audio DAC channels with multibit sigma-delta modulation
- Supports 16-, 20-, and 24-bit word lengths with flexible serial data interfaces (I2S, Left/Right Justified, DSP)
- On-chip volume control with 1024 linear steps and software-controllable clickless mute
- Integrated digital de-emphasis filters for 32 kHz, 44.1 kHz, and 48 kHz sampling rates
Applications
- DVD Video and Audio Players
- Home Theater Systems
- Automotive Audio Systems
- Set-Top Boxes
- Digital Audio Effects Processors
Procurement Notes
Verify the specific suffix 'CST' against the manufacturer's ordering guide to confirm the industrial temperature range (-40°C to +85°C) and plastic LQFP package option. Confirm current production status as legacy components may have limited availability or require alternative sourcing strategies.
Selection Notes
Select this component for designs requiring up to six synchronized audio channels with high linearity. Ensure the system clock architecture supports the required internal MCLK frequencies (e.g., 24.576 MHz) for the target sample rates. Verify that the host processor can interface with the specified serial modes and SPI control port requirements.
Part Context
The AD1833CST belongs to the AD1833 family of multichannel audio DACs. It shares architectural similarities with variants like the AD1833AST but differs in temperature rating and packaging options. This part is designed for high-performance digital audio playback systems requiring low jitter tolerance and precise channel matching.
Replacement Considerations
Check for direct pin-compatible replacements within the same product family, such as the AD1833AST, ensuring temperature ranges and package types match the design constraints. Evaluate newer generation audio DACs if long-term supply assurance is required.
