Specifications
| Attribute | Value |
| Supplier | Analog Devices Inc. |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | Audio |
| Data Interface | I²C, SPI™ |
| Resolution(Bits) | 24 b |
| Number of AD Cs / DA Cs | 4 / 2 |
| Sigma Delta | No |
| S / N Ratio AD Cs / DA Cs(db)Typ | 102 / 108 |
| Voltage - Supply, Analog | 1.71V ~ 3.63V |
| Voltage - Supply, Digital | 1.045V ~ 1.98V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Overview
Description
ADAU1777BCBZRL is an Analog Devices audio device in the ADAU1777 family. It is a high‑quality analog‑to‑digital converter (A/D) used to digitize audio signals for processing or transmission. The BCBZRL suffix indicates the specific packaging/revision and RoHS-compliant variant; exact package details and temperature range are in the datasheet.
Key points:
- Multi‑channel A/D conversion with a serial digital interface (I2S/PCM) and a control interface (I2C/SPI).
- High-resolution, Sigma‑Delta architecture typical of Analog Devices audio codecs.
- Programmable configuration options (gain, routing, sample rate, power modes) via register interface.
- Common applications: voice capture, automotive and consumer audio, audio interfaces, and telematics.
For precise specs (number of channels, sample rates, power, package type, temperature range), consult the ADAU1777 datasheet or product page and the exact packaging notes for BC BZRL. If you share your use case, I can suggest suitability and a basic implementation plan.
Key points:
- Multi‑channel A/D conversion with a serial digital interface (I2S/PCM) and a control interface (I2C/SPI).
- High-resolution, Sigma‑Delta architecture typical of Analog Devices audio codecs.
- Programmable configuration options (gain, routing, sample rate, power modes) via register interface.
- Common applications: voice capture, automotive and consumer audio, audio interfaces, and telematics.
For precise specs (number of channels, sample rates, power, package type, temperature range), consult the ADAU1777 datasheet or product page and the exact packaging notes for BC BZRL. If you share your use case, I can suggest suitability and a basic implementation plan.
Features
Here are the key features of the ADAU1777BCBZRL (Analog Devices):
- 2-channel stereo ADC and DAC (24-bit) with Sigma-Delta architecture
- I2S/PCM digital audio interface (compatible with standard formats)
- I2C control interface for register configuration
- Analog input gain control with mute/pop suppression
- Internal reference and biasing; low-noise, low-power operation
- Sampling rate support up to 96 kHz (typical for many mobile/audio codec apps)
- Digital signal path suitable for consumer audio, headsets, and speakerphones
- Package: compact BCBZRL variant (footprint and pinout per datasheet)
Note: exact performance specs (e.g., SR range, DR, power figures) vary by variant and operating conditions. For precise figures, please refer to the latest datasheet.
- 2-channel stereo ADC and DAC (24-bit) with Sigma-Delta architecture
- I2S/PCM digital audio interface (compatible with standard formats)
- I2C control interface for register configuration
- Analog input gain control with mute/pop suppression
- Internal reference and biasing; low-noise, low-power operation
- Sampling rate support up to 96 kHz (typical for many mobile/audio codec apps)
- Digital signal path suitable for consumer audio, headsets, and speakerphones
- Package: compact BCBZRL variant (footprint and pinout per datasheet)
Note: exact performance specs (e.g., SR range, DR, power figures) vary by variant and operating conditions. For precise figures, please refer to the latest datasheet.
Pinout
- Pin count: 28 pins (LFCSP package).
- Function: Multi-channel audio analog-to-digital converter (Sigma-Delta) with digital audio interface (I2S/PCM) for input channels, including programmable gain/filters for DSP-based audio systems.
- Function: Multi-channel audio analog-to-digital converter (Sigma-Delta) with digital audio interface (I2S/PCM) for input channels, including programmable gain/filters for DSP-based audio systems.
Manufacturer
- Manufacturer: Analog Devices, Inc. (ADI)
- What kind of company: A multinational semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits; publicly traded (NYSE: ADI), headquartered in Norwood, Massachusetts, USA.
- What kind of company: A multinational semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits; publicly traded (NYSE: ADI), headquartered in Norwood, Massachusetts, USA.
Application
ADAU1777BCBZRL is a low-power, 4-channel ADC with programmable gain for multi-microphone audio capture. Common applications:
- Automotive: hands-free, cabin mic arrays, voice commands
- Consumer audio/smart devices: smart speakers, sound bars, headsets, wearables
- Conferencing/communications: VOIP, room mic arrays, beamforming
- Portable/industrial data acquisition: multi-channel high-fidelity audio inputs for test equipment and recorders
It suits any system needing multi-channel microphone input with good audio quality and DSP-friendly digital interfacing.
- Automotive: hands-free, cabin mic arrays, voice commands
- Consumer audio/smart devices: smart speakers, sound bars, headsets, wearables
- Conferencing/communications: VOIP, room mic arrays, beamforming
- Portable/industrial data acquisition: multi-channel high-fidelity audio inputs for test equipment and recorders
It suits any system needing multi-channel microphone input with good audio quality and DSP-friendly digital interfacing.
Package
28‑pin LQFP (Low-Profile Quad Flat Pack), RoHS lead‑free, in Tape & Reel packaging.
