Overview
The AD1852JRSRL, produced by Analog Devices Inc., is a high-performance, single-chip, stereo digital-to-analog converter (DAC) designed for advanced audio playback systems. This component is part of a complete digital audio playback system, incorporating a multibit Σ-Δ modulator, digital interpolation filters, and analog output drive circuitry. It is fully compatible with various audio formats, including DVD and CD standards, and supports sample rates up to 192 kHz with 24-bit resolution.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package Type | 28-Lead SSOP |
| Supply Voltage | 5 V |
| Operating Temperature Range | 0°C to 70°C |
| Sample Rates | 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 192 kHz |
| Resolution | 16-bit, 18-bit, 20-bit, 24-bit |
| Serial Data Input Modes | Left-justified, I2S, Right-justified, DSP serial port compatible |
| Data Format | MSB first, twos-complement |
| De-emphasis Support | 50 μs/15 μs for Red Book CDs, 32 kHz and 48 kHz sample rates |
Key Features
- High-performance multibit Σ-Δ modulator with perfect differential linearity restoration for reduced idle tones and noise floor.
- Data-directed scrambling DAC, least sensitive to jitter.
- On-chip stereo attenuator and mute, programmable through an SPI-compatible serial control port.
- Flexible serial data input port supporting various modes: left-justified, I2S, right-justified, and DSP serial port compatible.
- Supports a wide range of sample rates and resolutions, including 192 kHz at 24 bits.
- Glueless interconnection to ADCs, DSP chips, AES/EBU receivers, and sample rate converters.
Applications
- High-end DVDs and CDs
- Home theater systems
- Automotive audio systems
- Sampling musical keyboards
- Digital mixing consoles
- Digital audio effects processors.
Q & A
- What is the AD1852JRSRL used for?
The AD1852JRSRL is a high-performance stereo digital-to-analog converter used in various audio playback systems, including DVDs, CDs, home theater systems, and automotive audio systems.
- What are the supported sample rates of the AD1852JRSRL?
The AD1852JRSRL supports sample rates of 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, and 192 kHz.
- What are the different serial data input modes of the AD1852JRSRL?
The AD1852JRSRL supports left-justified, I2S, right-justified, and DSP serial port compatible modes.
- What is the power supply requirement for the AD1852JRSRL?
The AD1852JRSRL operates from a single 5 V power supply.
- What is the operating temperature range of the AD1852JRSRL?
The AD1852JRSRL operates over a temperature range of 0°C to 70°C.
- Does the AD1852JRSRL support de-emphasis for different sample rates?
Yes, the AD1852JRSRL supports de-emphasis for 50 μs/15 μs for Red Book CDs, as well as de-emphasis at 32 kHz and 48 kHz sample rates.
- How is the stereo attenuator and mute controlled in the AD1852JRSRL?
The stereo attenuator and mute are controlled through an SPI-compatible serial control port.
- What types of devices can the AD1852JRSRL be connected to?
The AD1852JRSRL can be connected to ADCs, DSP chips, AES/EBU receivers, and sample rate converters in a glueless manner.
- What is the significance of the multibit Σ-Δ modulator in the AD1852JRSRL?
The multibit Σ-Δ modulator provides perfect differential linearity restoration, reducing idle tones and noise floor.
- Is the AD1852JRSRL sensitive to jitter?
No, the AD1852JRSRL features a data-directed scrambling DAC that is least sensitive to jitter.
