ADAU1761BCPZ-RL
| Parameters | |
|---|---|
| Series | SigmaDSP® |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 32-VFQFN Exposed Pad, CSP |
| Mfr | Analog Devices Inc. |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Type | Audio |
| Supplier Device Package | 32-LFCSP-VQ (5x5) |
| Data Interface | Serial |
| Resolution (Bits) | 24 b |
| Voltage - Supply, Analog | 1.8V ~ 3.65V |
| Voltage - Supply, Digital | 1.63V ~ 3.65V |
| Sigma Delta | Yes |
| Number of ADCs / DACs | 2 / 2 |
| Dynamic Range, ADCs / DACs (db) Typ | - |
| S/N Ratio, ADCs / DACs (db) Typ | - |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Base Product Number | ADAU1761 |
| REACH Status | REACH Unaffected |
| Standard Package | 5,000 |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
ADAU1761BCPZ-RL Audio Codec Chip Overview
The ADAU1761BCPZ-RL is a low-power, stereo audio codec designed by Analog Devices (ADI) for high-fidelity audio processing in portable and embedded systems. It integrates a 24-bit ADC (98 dB SNR) and 24-bit DAC (100 dB SNR) with sampling rates ranging from 8 kHz to 96 kHz, ensuring compatibility with a wide range of audio standards. The device features a SigmaDSP® 28-/56-bit digital audio processor capable of 50 MIPS, enabling real-time audio effects such as equalization, dynamic range compression, and noise reduction via the SigmaStudio® graphical programming tool. It supports 6 analog inputs (configurable as single-ended or differential), stereo digital microphone input, and 5 analog outputs (2 differential stereo, 2 single-ended stereo, and 1 mono headphone driver).
The integrated PLL allows flexible clock management (8 MHz–27 MHz input), while I²C and SPI interfaces simplify configuration. Powered by 1.8V–3.65V analog supplies and 1.63V–3.65V digital I/O, it operates efficiently at 7 mW (record) and 7 mW (playback) at 48 kHz, 1.8V. The 32-pin LFCSP (5mm × 5mm) package with an exposed pad enhances thermal performance, making it ideal for space-constrained designs.
Alternative audio codec Models
● WM8978G (Cirrus Logic): A stereo codec with integrated headphone amplifier (1.4 W output) and similar SNR (94 dB DAC/90 dB ADC), but lacks SigmaDSP processing.
● TLV320AIC3104 (TI): A low-power codec with stereo ADC/DAC and Class-D speaker driver, optimized for portable devices but with lower SNR (91 dB ADC).
● CS43L22 (Cirrus Logic): A budget-friendly stereo codec with 88 dB SNR and 1.8 W amplifier, targeting cost-sensitive consumer electronics.
● MAX98357A (Maxim Integrated): A Class-D amplifier (3.2 W) without integrated ADC/DAC, requiring external codecs for full audio processing.
