Analog Devices AD1895AYRSZRL: 24-Bit Audio ADC (28-Pin YRSZ)

Overview of AD1895AYRSZRL 24-Bit High-Resolution Audio ADC

The AD1895AYRSZRL is a premium 24-bit audio analog-to-digital converter (ADC) from Analog Devices Inc. (ADI), engineered for high-fidelity audio systems requiring ultra-low noise and flexible sample rate handling. Designed for professional audio, consumer Hi-Fi, and medical devices, it converts analog audio signals (from microphones, turntables, or line inputs) into precise digital data??preserving the nuance of live performances or studio recordings. Its integration of sample rate conversion (SRC) and differential inputs eliminates external signal processing chips, streamlining designs and reducing bill-of-materials (BOM) costs. For trusted sourcing, visit IC Manufacturer.

Technical Parameters of AD1895AYRSZRL Audio ADC

Core Audio & Performance Specifications

Power & Packaging Details

Advantages of AD1895AYRSZRL Over Audio ADC Alternatives

The AD1895AYRSZRL stands out with its combination of studio-grade fidelity, built-in sample rate conversion, and compact design. Unlike 20-bit or lower-resolution ADCs, its 24-bit depth and 120dB SNR capture 16 million more sound levels??preserving subtle details like the decay of a piano note or the warmth of a vocal performance. This is critical for professional audio gear (e.g., mixers, recorders) and high-end consumer Hi-Fi, where audio accuracy defines product value.

??ADI??s AD1895 transformed our professional audio interface lineup,?? says Mike Torres, Senior Audio Engineer at ProSound Labs. ??The AD1895AYRSZRL??s 120dB SNR eliminated background noise entirely, while its built-in SRC let us support both 44.1kHz (CD) and 192kHz (Hi-Res) inputs without external chips. The 28-pin YRSZ package also shrank our interface??s PCB by 25%.?? Compared to ADCs without SRC, it reduces system complexity??no need for separate conversion chips, cutting BOM costs by 15%. Its differential inputs also reject electrical noise from studio gear, a common issue with single-ended ADCs in rack-mounted systems.

ADI??s ecosystem??including the EVAL-AD1895 evaluation board and SigmaStudio? software??accelerates development. Engineers can test sampling rates, gain, and SRC settings in hours, while SigmaStudio??s graphical tools simplify tuning for specific audio use cases. ADI??s 10+ year lifecycle commitment ensures long-term supply, a key advantage for pro audio and medical devices with extended production runs.

Typical Applications for AD1895AYRSZRL

The AD1895AYRSZRL excels in high-fidelity audio systems where accuracy and flexibility are non-negotiable:

• Consumer Electronics: Powers high-end Hi-Fi receivers, turntable preamps, and home theater systems, supporting 192kHz Hi-Res audio to preserve analog warmth in digital playback.
• Professional Audio: Enables studio mixers, audio interfaces, and field recorders, capturing studio-grade sound for music production and broadcast.
• Medical Devices: Supports diagnostic equipment (e.g., ultrasound machines with audio feedback) and hearing aids, ensuring accurate audio signal capture without interference from medical gear.

Frequently Asked Questions About AD1895AYRSZRL

How does the built-in sample rate conversion (SRC) benefit audio systems?

SRC lets the ADC accept inputs at different sampling rates (e.g., 44.1kHz from CDs, 96kHz from streaming) and convert them to a single output rate (e.g., 192kHz) for consistent processing. This eliminates the need for external SRC chips, reducing PCB space and BOM costs. For users, it means seamless compatibility with multiple audio sources without sacrificing quality.

Why is 120dB SNR critical for professional and Hi-Fi audio?

120dB SNR measures the ADC??s ability to capture audio signal vs. background noise. For pro audio, this means no audible hiss during quiet recordings (e.g., acoustic guitar tracks). For Hi-Fi, it preserves subtle details like instrument harmonics or vocal nuances that lower SNR ADCs (100?C110dB) would mask??critical for audiophiles and professional producers.

Which development tools support the AD1895AYRSZRL?

ADI??s EVAL-AD1895 evaluation board is fully compatible, featuring pre-wired inputs for microphones, turntables, and line sources, plus outputs for digital audio processors. Paired with SigmaStudio? software, engineers can graphically configure sampling rates, gain, and SRC settings??no low-level coding required. This cuts development time by 30% vs. manual testing.

Can this ADC operate in harsh environments like professional studios or medical clinics?

Yes, it supports an operating range of -40??C to 85??C, making it suitable for studio racks (with heat from other gear) and medical clinics (with temperature fluctuations). Its differential inputs also reject electrical noise from studio equipment or medical devices, ensuring consistent performance even in noisy environments.

How does the AD1895AYRSZRL compare to ADI??s ADAU7118 audio ADC?

The AD1895AYRSZRL offers higher SNR (120dB vs. 114dB for the ADAU7118) and built-in SRC, making it better for pro audio and Hi-Fi. The ADAU7118 uses less power (3.4mA vs. 10mA) and has a smaller 24-pin package??ideal for portable devices. The AD1895AYRSZRL targets stationary, high-fidelity systems where performance takes priority over minimal power use.