Overview
The ADAU1781BCPZ-RL7, produced by Analog Devices Inc., is a low-power, 24-bit stereo audio codec. This device is designed to support a wide range of audio applications, particularly those requiring high-quality audio processing and low power consumption. The ADAU1781 features a programmable SigmaDSP® core, which enhances record and playback processing to improve overall audio quality. It supports sample rates from 8 kHz to 96 kHz and includes both analog and digital input/output paths, making it versatile for various audio systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (AVDD) | 1.8 | 3.65 | V | |
| Sample Rates | 8 kHz | 96 kHz | ||
| Dynamic Range (A-Weighted Filter) | 94 dB | 103 dB | ||
| Total Harmonic Distortion + Noise (THD+N) | -85 dB | |||
| Operating Temperature Range | -25°C | 85°C | ||
| Storage Temperature Range | -65°C | 150°C | ||
| Package Type | 32-VFQFN Exposed Pad, CSP | |||
| Number of Pins | 32 | |||
| Interface | I2C, I2S, SPI, Serial |
Key Features
- Low-power, 24-bit stereo audio codec with low noise DAC and ADC.
- Programmable SigmaDSP® core for enhanced audio processing.
- Supports sample rates from 8 kHz to 96 kHz.
- Analog and digital input/output paths, including pseudo differential and single-ended stereo inputs.
- Optional stereo digital microphone input with pulse-density modulation (PDM).
- Stereo line output and speaker driver capable of supporting dynamic speakers.
- Software control via SigmaStudio graphical user interface.
- Software-controllable, clickless mute and hardware pin standby mode.
- Dedicated analog beep input signal that can be mixed into any output path.
Applications
- Digital still cameras.
- Digital video cameras.
- Battery-powered audio applications due to its low power consumption and power-saving modes.
Q & A
- What is the ADAU1781BCPZ-RL7?
The ADAU1781BCPZ-RL7 is a low-power, 24-bit stereo audio codec produced by Analog Devices Inc.
- What are the supported sample rates for the ADAU1781?
The ADAU1781 supports sample rates from 8 kHz to 96 kHz.
- What types of input paths does the ADAU1781 support?
The ADAU1781 supports both analog and digital input paths, including pseudo differential and single-ended stereo inputs, as well as optional stereo digital microphone inputs with PDM.
- What is the power supply voltage range for the ADAU1781?
The power supply voltage range for the ADAU1781 is from 1.8 V to 3.65 V.
- What interfaces does the ADAU1781 support?
The ADAU1781 supports I2C, I2S, SPI, and serial interfaces.
- What is the package type of the ADAU1781BCPZ-RL7?
The package type is 32-VFQFN Exposed Pad, CSP.
- What are some key applications of the ADAU1781?
The ADAU1781 is used in digital still cameras, digital video cameras, and other battery-powered audio applications.
- Does the ADAU1781 have power-saving modes?
Yes, the ADAU1781 has power-saving modes, including software register and hardware pin standby modes.
- How is the ADAU1781 controlled?
The ADAU1781 is controlled via the SigmaStudio graphical user interface.
- What is the operating temperature range of the ADAU1781?
The operating temperature range is from -25°C to 85°C.
