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Product Detailed Parameters
- Description：IC DAC STEREO 96KHZ 5V 28SSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bulk
- 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：28-SSOP (0.209", 5.30mm Width)
- Supplier Device Package：28-SSOP
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
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Overview
The AD1854JRSRL is a stereo audio digital-to-analog converter (DAC) from Analog Devices, housed in a 28-lead SSOP package. It supports 24-bit resolution and sample rates up to 96 kHz. The device utilizes a multibit sigma-delta modulator with dither and continuous-time analog filters. Key electrical specifications include a dynamic range of 105 dB and a signal-to-noise ratio of 108 dB (A-weighted) at the 48 kHz sample rate for the J-grade device. It operates on a single 5 V supply and features an SPI-compatible serial control port for attenuation and mute functions.
Feature Summary
- Stereo DAC supporting 16-, 18-, 20-, and 24-bit data formats
- Multibit Sigma-Delta Modulator with Perfect Differential Linearity Restoration
- On-chip volume control with 1024 steps and clickless mute
- Flexible serial data interface compatible with I2S, Left-Justified, and Right-Justified modes
Applications
- DVD and CD players
- Set-top boxes
- Home theater systems
- Automotive audio systems
- Digital mixing consoles
Procurement Notes
The AD1854JRSRL is designated as obsolete by the manufacturer. Verification of current availability requires checking authorized distributors or secondary market suppliers. Ensure that any sourced units are genuine Analog Devices products and have been stored under appropriate ESD precautions, as the device is electrostatic sensitive.
Selection Notes
Select the AD1854JRSRL when a stereo DAC with 96 kHz support and differential outputs is required. The 'RL' suffix indicates the component is supplied on 13-inch reels. Verify compatibility with the system's master clock frequencies (256x, 384x, or 512x FS) and ensure the host processor supports the selected serial data format (I2S, Left, or Right Justified).
Part Context
The AD1854JRSRL belongs to the AD1854 family of high-performance audio DACs. It shares the same core architecture and pinout with the AD1854JRS, differing only in packaging quantity (reel vs. tube). The J-grade variant specifies performance metrics such as 105 dB dynamic range, whereas the K-grade offers higher performance. Both variants operate within the 0°C to 70°C commercial temperature range.
Replacement Considerations
No direct public substitute part numbers are listed in the provided documentation. As the AD1854 series is obsolete, alternative solutions require evaluating modern audio DACs with similar pinouts or utilizing adapter boards. Designers should verify if newer Analog Devices audio DACs maintain backward compatibility with existing serial interfaces and power supplies.
