Overview
The AD1852JRSZRL, produced by Analog Devices Inc., is a high-performance, single-chip, stereo digital audio playback system. It is designed to provide exceptional audio quality and versatility in various audio applications. The AD1852 features a multibit Σ-Δ modulator, digital interpolation filters, and analog output drive circuitry, making it a comprehensive solution for audio playback needs. It operates from a single 5 V power supply and is housed in a 28-lead SSOP package, suitable for operation over the 0°C to 70°C temperature range.
Key Specifications
| Parameter | Description |
|---|---|
| Resolution | 24 bits |
| Sample Rate | Up to 192 kHz (supports 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, and 192 kHz) |
| Serial Data Input Modes | Left-justified, I2S, right-justified, and DSP serial port compatible modes |
| Word Length | 16, 18, 20, and 24 bits |
| Data Format | MSB first, twos-complement format |
| Power Supply | Single 5 V |
| Package | 28-lead SSOP |
| Operating Temperature | 0°C to 70°C |
Key Features
- 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, programmed through an SPI-compatible serial control port
- Flexible serial data port with support for various modes (left-justified, I2S, right-justified, and DSP)
- Backwards compatibility with 50 μs/15 μs digital de-emphasis for Red Book compact discs and de-emphasis at 32 kHz and 48 kHz sample rates
- Auto-clock divide circuit for automatic detection and adjustment of the master clock and incoming serial data relationship
Applications
- High-end DVDs and CDs
- Home theater systems
- Automotive audio systems
- Audio systems
- Sampling musical keyboards
- Digital mixing consoles
- Digital audio effects processors
Q & A
- What is the resolution of the AD1852JRSZRL?
The AD1852JRSZRL has a resolution of 24 bits.
- What are the supported sample rates for the AD1852JRSZRL?
The AD1852JRSZRL supports sample rates up to 192 kHz, including 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, and 192 kHz.
- What serial data input modes are supported by the AD1852JRSZRL?
The AD1852JRSZRL supports left-justified, I2S, right-justified, and DSP serial port compatible modes.
- What word lengths does the AD1852JRSZRL support?
The AD1852JRSZRL supports word lengths of 16, 18, 20, and 24 bits.
- In what format does the AD1852JRSZRL accept serial audio data?
The AD1852JRSZRL accepts serial audio data in MSB first, twos-complement format.
- What is the power supply requirement for the AD1852JRSZRL?
The AD1852JRSZRL operates from a single 5 V power supply.
- What is the package type of the AD1852JRSZRL?
The AD1852JRSZRL is housed in a 28-lead SSOP package.
- What is the operating temperature range of the AD1852JRSZRL?
The AD1852JRSZRL operates over the 0°C to 70°C temperature range.
- What are some key applications of the AD1852JRSZRL?
The AD1852JRSZRL is used in high-end DVDs and CDs, home theater systems, automotive audio systems, audio systems, sampling musical keyboards, digital mixing consoles, and digital audio effects processors.
- Does the AD1852JRSZRL support backwards compatibility with older audio formats?
Yes, the AD1852JRSZRL is backwards compatible with 50 μs/15 μs digital de-emphasis for Red Book compact discs and de-emphasis at 32 kHz and 48 kHz sample rates.
