Overview
The AD1858JRSRL is a high-performance, single-chip stereo audio Digital-to-Analog Converter (DAC) produced by Analog Devices Inc. This component is part of the AD1858 series, known for its excellent audio quality and versatile features. The AD1858JRSRL supports 16-bit data and operates at sample rates up to 96 kHz, making it suitable for a wide range of audio applications. It features a multibit sigma-delta modulator with dither, ensuring reduced idle tones and a low noise floor. The device also includes on-chip volume control and mute functions, which can be controlled through a serial interface.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 | - | - | Bits |
| Dynamic Range (20 Hz to 20 kHz, –60 dB Input) | 105 | - | 110 | dB |
| Signal-to-Noise Ratio (20 Hz to 20 kHz, A-weighted) | 105 | - | 110 | dB |
| Total Harmonic Distortion + Noise (THD+N) | -97 | - | -91 | dB |
| Differential Output Range (±Full Scale) | - | - | 5.6 | V p-p |
| Output Impedance at Each Output Pin | - | - | 200 | Ω |
| Supply Voltages (AVDD, DVDD) | 4.5 | 5 | 5.5 | V |
| Analog Current | 24 | 30 | 35 | mA |
| Digital Current | 17 | 20 | 24 | mA |
Key Features
- Supports 16-bit data and sample rates up to 96 kHz.
- Multibit sigma-delta modulator with dither for reduced idle tones and noise floor.
- Data directed scrambling DAC, least sensitive to jitter.
- Differential output for optimum performance.
- On-chip volume control with 1024 steps, hardware and software controllable.
- Clickless mute function.
- Flexible serial data input port with right-justified and DSP serial port style modes.
- Power-down mode and soft power-down mode for reduced power consumption.
- Digital de-emphasis processing.
Applications
- DVD and CD players.
- Set-top boxes.
- Home theater systems.
- Automotive audio systems.
- Computer multimedia products.
- Sampling musical keyboards.
- Digital mixing consoles.
- Digital audio effects processors.
Q & A
- What is the resolution of the AD1858JRSRL DAC?
The AD1858JRSRL has a resolution of 16 bits.
- What are the supported sample rates for the AD1858JRSRL?
The AD1858JRSRL supports sample rates up to 96 kHz.
- What type of modulator does the AD1858JRSRL use?
The AD1858JRSRL uses a multibit sigma-delta modulator with dither.
- Does the AD1858JRSRL have on-chip volume control?
Yes, the AD1858JRSRL has on-chip volume control with 1024 steps.
- How is the mute function controlled on the AD1858JRSRL?
The mute function on the AD1858JRSRL is hardware and software controllable.
- What are the power-down modes available on the AD1858JRSRL?
The AD1858JRSRL has power-down mode and soft power-down mode for reduced power consumption.
- What types of serial data input port modes does the AD1858JRSRL support?
The AD1858JRSRL supports right-justified and DSP serial port style modes.
- What is the typical analog current consumption of the AD1858JRSRL?
The typical analog current consumption of the AD1858JRSRL is 30 mA.
- What is the differential output range of the AD1858JRSRL?
The differential output range of the AD1858JRSRL is ±5.6 V p-p.
- What are some common applications of the AD1858JRSRL?
Common applications include DVD and CD players, set-top boxes, home theater systems, automotive audio systems, and computer multimedia products.
