Overview
The AD73311ARS-REEL, produced by Analog Devices Inc., is a single-channel, 3 V and 5 V front-end processor designed for general-purpose applications, including speech and telephony. This device features a 16-bit analog-to-digital converter (ADC) and a 16-bit digital-to-analog converter (DAC), each providing high signal-to-noise ratios (SNR) over the voiceband signal bandwidth. The AD73311 is known for its low power consumption, flexible voltage requirements, and robust design, making it suitable for a variety of applications requiring high-resolution signal processing.
Key Specifications
| Parameter | Value |
|---|---|
| ADC Resolution | 16 bits |
| DAC Resolution | 16 bits |
| ADC Sample Rate (max) | 64 ksps |
| ADC SNR | 75 dB |
| DAC SNR | 70 dB |
| Group Delay | 25 µs per ADC channel, 50 µs per DAC channel |
| Crosstalk | -90 dB |
| Supply Voltage | 2.7 V to 5.5 V |
| Power Dissipation (max) | 50 mW at 2.7 V |
| Package | 20-Lead SSOP/SSOP (0.209", 5.30mm Width) |
| On-Chip Reference | Yes |
| Programmable Input/Output Gain | Yes, 38 dB for ADC, 21 dB for DAC |
Key Features
- High-resolution 16-bit ADC and DAC channels
- Programmable input/output sample rates and gains
- Low power consumption, suitable for battery-powered devices
- Flexible serial port (SPORT) for easy interfacing with DSP engines
- Single-supply operation with on-chip reference voltage
- Low group delay and high SNR, making it suitable for active control applications
- Compact 20-lead SSOP/SSOP packaging
Applications
- General Purpose Analog I/O
- Speech Processing
- Cordless and Personal Communications
- Telephony
- Active Control of Sound & Vibration
- Data Communications
- Medical Imaging Systems
- Instrumentation and Control Systems
- Industrial Process Control
- Communication Systems
Q & A
- What is the resolution of the ADC and DAC in the AD73311ARS-REEL?
The AD73311ARS-REEL features 16-bit resolution for both the ADC and DAC channels.
- What is the maximum sample rate of the ADC?
The maximum sample rate of the ADC is 64 ksps.
- What is the signal-to-noise ratio (SNR) of the ADC and DAC?
The ADC has an SNR of 75 dB, and the DAC has an SNR of 70 dB.
- What is the group delay of the AD73311ARS-REEL?
The group delay is 25 µs per ADC channel and 50 µs per DAC channel.
- What is the power dissipation of the device at 2.7 V supply voltage?
The maximum power dissipation at 2.7 V is 50 mW.
- What types of packages are available for the AD73311ARS-REEL?
The device is available in 20-Lead SSOP and SOIC packages.
- Does the AD73311ARS-REEL have an on-chip reference voltage?
Yes, the device includes an on-chip reference voltage for single-supply operations.
- Can the input/output gains be programmed?
Yes, the gains of the A/D and D/A conversion channels are programmable over 38 dB and 21 dB respectively.
- What are some common applications of the AD73311ARS-REEL?
Common applications include speech processing, telephony, cordless and personal communications, and active control of sound and vibration.
- Is the AD73311ARS-REEL compatible with various microprocessors and DSPs?
Yes, the device is compatible with various microprocessors and digital signal processors.
