Overview
The AD1836A is a high-performance, single-chip codec designed by Analog Devices Inc. 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 signal processing and offers a range of features that make it suitable for various audio and multimedia applications.
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 (20 Hz to 20 kHz, –60 dB Input) | 102-108 dB (A-weighted filter) | |
| Total Harmonic Distortion + Noise (0 dBFS) | -95 dB to -85 dB | |
| Full-Scale Output Voltage (Differential) | 2.0 V rms (5.6 V pp) | |
| Gain Error | -6.0% to +6.0% | |
| Interchannel Gain Mismatch | -0.3% to +0.3% | |
| Supply Voltage | 5 V | |
| Package Type | 52-lead MQFP (PQFP) | |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Three stereo DACs and two stereo ADCs using patented multibit Σ-Δ architecture.
- Differential output for optimum performance.
- Supports 16-/18-/20-/24-bit data and 96 kHz sample rate.
- On-chip volume control with 'auto-ramp' function.
- SPI port for microcontroller control.
- Provision for separate output supply to interface with low voltage external circuitry.
- Independently programmable attenuators for each DAC channel.
Applications
- Home theater systems
- Automotive audio systems
- DVD recorders
- Set-top boxes
- Digital audio effects processors
Q & A
- What is the AD1836A?
The AD1836A is a high-performance, single-chip codec that provides three stereo DACs and two stereo ADCs using Analog Devices' patented multibit Σ-Δ architecture.
- What is the resolution of the ADCs and DACs in the AD1836A?
The ADCs and DACs in the AD1836A have a 24-bit resolution.
- What is the dynamic range of the ADCs and DACs?
The dynamic range for the ADCs is 97-105 dB (A-weighted filter), and for the DACs, it is 102-108 dB (A-weighted filter).
- What is the total harmonic distortion + noise (THD + N) for the DACs?
The THD + N for the DACs is -95 dB to -85 dB.
- What is the full-scale output voltage of the DACs?
The full-scale output voltage of the DACs is 2.0 V rms (5.6 V pp).
- What type of package does the AD1836A come in?
The AD1836A comes in a 52-lead MQFP (PQFP) package.
- What is the operating temperature range of the AD1836A?
The operating temperature range of the AD1836A is -40°C to 85°C.
- Does the AD1836A support SPI control?
Yes, the AD1836A includes an SPI port for microcontroller control.
- What are some typical applications of the AD1836A?
Typical applications include home theater systems, automotive audio systems, DVD recorders, set-top boxes, and digital audio effects processors.
- Can the AD1836A be used in low voltage external circuitry?
Yes, the AD1836A has provision for a separate output supply to interface with low voltage external circuitry.
