Overview
The AD1836AASZRL, produced by Analog Devices Inc., is a high-performance, single-chip codec designed for multichannel audio applications. It integrates three stereo digital-to-analog converters (DACs) and two stereo analog-to-digital converters (ADCs) using Analog Devices' patented multibit Σ-Δ architecture. This codec is optimized for high-quality audio processing and offers a range of features that make it suitable for various audio systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| ADC Resolution | 24 Bits | |
| ADC Dynamic Range (20 Hz to 20 kHz, –60 dB Input) | 97 - 105 dB (A-Weighted Filter) | |
| DAC Resolution | 24 Bits | |
| DAC Dynamic Range | 108 dB | |
| Sample Rate | Up to 96 kHz | |
| Power Supply | 5 V | |
| Package Type | 52-Lead MQFP (PQFP) | |
| Operating Temperature | –40 to +85 °C | |
| Load Capacitance (Digital Output) | 100 pF | |
| Load Impedance (Digital Output) | 2.5 kΩ |
Key Features
- Three stereo DACs and two stereo ADCs using multibit Σ-Δ architecture
- Supports 16-/18-/20-/24-bit data and up to 96 kHz sample rate
- Differential output for optimum performance
- On-chip volume control with 'auto-ramp' function
- SPI port for microcontroller interface to adjust volume and other parameters
- Provision for separate output supply to interface with low voltage external circuitry
- High SNR and dynamic range: ADCs –92 dB THD + N, 105 dB SNR; DACs –95 dB THD + N, 108 dB SNR
Applications
- Home theater systems
- Automotive audio systems
- DVD recorders
- Set-top boxes
- Digital audio effects processors
Q & A
- What is the AD1836AASZRL used for? The AD1836AASZRL is a high-performance codec used in various audio applications, including home theater systems, automotive audio systems, DVD recorders, set-top boxes, and digital audio effects processors.
- How many DACs and ADCs does the AD1836AASZRL have? The AD1836AASZRL has three stereo DACs and two stereo ADCs.
- What is the resolution of the ADCs and DACs? Both the ADCs and DACs have a resolution of 24 bits.
- What is the maximum sample rate supported by the AD1836AASZRL? The AD1836AASZRL supports sample rates up to 96 kHz.
- What type of package does the AD1836AASZRL come in? The AD1836AASZRL is available in a 52-lead MQFP (PQFP) package.
- What is the operating voltage of the AD1836AASZRL? The AD1836AASZRL operates from a 5 V supply.
- Does the AD1836AASZRL have on-chip volume control? Yes, the AD1836AASZRL includes on-chip volume control with an 'auto-ramp' function.
- How does the AD1836AASZRL interface with a microcontroller? The AD1836AASZRL includes an SPI port for interfacing with a microcontroller to adjust volume and other parameters.
- What are the key performance metrics of the ADCs and DACs? The ADCs have a THD + N of –92 dB and an SNR of 105 dB, while the DACs have a THD + N of –95 dB and an SNR of 108 dB.
- What is the recommended filter for the DAC outputs? A single op-amp third-order external low-pass filter is recommended to remove high-frequency noise from the DAC outputs.
