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Product Detailed Parameters
- Description：IC DAC STEREO 96KHZ 5V 28SSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- 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 AD1854JRS is a stereo audio DAC from Analog Devices Inc., housed in a 28-lead SSOP package. It supports 16-, 18-, 20-, and 24-bit data with sample rates up to 96 kHz. The device features a multibit sigma-delta modulator for improved linearity. At a 48 kHz sample rate, it achieves a dynamic range of 105 dB (unweighted) and 108 dB (A-weighted). Total Harmonic Distortion + Noise is -88 dB at 0 dBFS. It operates on a single 5 V supply, drawing 30 mA analog current and 17 mA digital current. The unit functions within a temperature range of 0°C to 70°C.
Feature Summary
- Multibit Sigma-Delta Modulator with Perfect Differential Linearity Restoration
- On-Chip Volume Control with 1024 Steps and Smooth Auto Ramp
- Flexible Serial Data Port supporting Right-Justified, Left-Justified, and I2S Formats
- Hardware and Software Controllable Clickless Mute and Power-Down Modes
Applications
- DVD Players
- CD Players
- Set-Top Boxes
- Home Theater Systems
- Automotive Audio Systems
Procurement Notes
The AD1854JRS is marked as obsolete in the official documentation. Verification of availability requires checking distributor status for remaining stock or end-of-life notices. Ensure compatibility with existing system designs before procurement due to the discontinued status.
Selection Notes
Select the AD1854JRS for stereo audio applications requiring high dynamic range and low distortion. It accepts 24-bit/96 kHz data but offers lower performance metrics compared to the AD1854KRS variant. Verify serial interface timing requirements against the host processor's capabilities.
Part Context
The AD1854 is a single-chip stereo audio DAC designed for high-performance audio systems. It integrates a multibit sigma-delta modulator, continuous time analog filters, and analog output drive circuitry. The device is fully compatible with DVD formats and supports digital de-emphasis for Redbook CD playback.
Replacement Considerations
The datasheet lists the AD1854KRS as a higher-performance variant within the same package family. No other direct replacement part numbers are documented in the provided source material.
