Overview
The AD74111YRU-REEL, produced by Analog Devices Inc., is a high-performance, low-power mono audio CODEC designed for efficient serial data communication. This integrated circuit is tailored for various audio applications, offering superior audio quality and robust performance. The AD74111 features a multi-bit Sigma-Delta A/D and D/A conversion, making it suitable for general-purpose audio and voice applications.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution (Bits) | 24 | ||
| Sigma Delta | Yes | ||
| S/N Ratio, ADCs / DACs (db) Typ | 77 / 89 | dB | |
| Dynamic Range, ADCs / DACs (db) Typ | 85 / 93 | dB | |
| Voltage Supply, Analog | 2.5V | V | |
| Voltage Supply, Digital | 2.5V - 3.3V | V | DVDD1 and DVDD2 supplies |
| Operating Temperature | -40°C ~ 105°C | °C | |
| Mounting Type | Surface Mount | ||
| Package / Case | 16-TSSOP | ||
| Sample Rates | 8 kHz to 48 kHz | kHz | Depending on MCLK selection and divider ratio |
Key Features
- 24-bit resolution for enhanced audio quality
- Sigma Delta modulation for superior signal integrity
- Features 1 ADC and 1 DAC for audio input and output
- Supports a Serial Data Interface for connectivity
- Low-voltage operation at 2.5V for both analog and digital supply, enhancing power efficiency
- High resolution and dynamic range ensure superior audio quality
- Wide operating temperature range (-40°C to 105°C) ensures reliability across various environments
- Surface Mount packaging allows for compact and flexible design options
- Programmable ADC gain and on-chip volume control for DAC channel
- Software controllable clickless mute
- Data directed scrambling DAC – least sensitive to jitter
Applications
- Digital audio devices
- Professional and consumer audio equipment
- Automotive audio systems
- Sound processing applications
- Digital Video Camcorders (DVC)
- Portable personal audio devices (e.g., Walkman, PDAs)
- Telematic systems
- Speech and telephony applications (e.g., speech recognition and synthesis, feature phones)
Q & A
- What is the resolution of the AD74111YRU-REEL?
The AD74111YRU-REEL has a 24-bit resolution.
- What type of modulation does the AD74111YRU-REEL use?
The AD74111YRU-REEL uses Sigma Delta modulation.
- What are the typical S/N ratios for the ADC and DAC of the AD74111YRU-REEL?
The typical S/N ratios are 77 dB for ADCs and 89 dB for DACs.
- What is the dynamic range of the ADC and DAC of the AD74111YRU-REEL?
The dynamic range is 85 dB for ADCs and 93 dB for DACs.
- What are the voltage supply requirements for the AD74111YRU-REEL?
The analog supply voltage is 2.5V, and the digital supply voltages (DVDD1 and DVDD2) range from 2.5V to 3.3V.
- What is the operating temperature range of the AD74111YRU-REEL?
The operating temperature range is -40°C to 105°C.
- What type of packaging does the AD74111YRU-REEL use?
The AD74111YRU-REEL uses Surface Mount packaging in a 16-TSSOP case.
- What are the supported sample rates for the AD74111YRU-REEL?
The supported sample rates range from 8 kHz to 48 kHz, depending on the MCLK selection and divider ratio.
- Does the AD74111YRU-REEL support programmable ADC gain and on-chip volume control?
Yes, the AD74111YRU-REEL supports programmable ADC gain and on-chip volume control for the DAC channel.
- What are some common applications of the AD74111YRU-REEL?
Common applications include digital audio devices, professional and consumer audio equipment, automotive audio systems, and telematic systems.
