AK5522VN - 32-Bit 192kHz Stereo Audio ADC | AKM
MPN: AK5522VN ✓ Hoạt độngAK5522VN Tóm tắt
An audio ADC converts left and right analog line or microphone signals into digital samples for processing, storage, transmission, or playback. The AK5522VN belongs to the sigma-delta ADC family within the broader analog-to-digital converter and data-conversion hierarchy. Its stereo differential input architecture, selectable digital filters, integrated clock-generation support, and integrated LDO are designed for high-resolution digital-audio equipment.
The principal features of the AK5522VN include 32-bit conversion, an 8kHz to 192kHz sampling-rate range, 108dB dynamic range, and 98dB S/(N+D). Four types of digital filters are integrated and selectable according to sound-quality requirements. Differential input support is particularly useful for rejecting common-mode noise in balanced audio paths. The manufacturer also identifies excellent power-supply rejection ratio performance as a central feature.
Internally, this device uses a two-input sigma-delta conversion architecture optimized for line and microphone audio rather than general-purpose high-speed data acquisition. Its integrated digital filtering provides four selectable response options, allowing a system designer to balance audio-band behavior, attenuation requirements, and application preferences. The available device documentation identifies an integrated PLL and LDO in its feature description, supporting a compact implementation of a high-performance audio conversion front end.
Typical uses include professional audio interfaces, studio monitors, broadcast equipment, digital microphones, consumer audio systems, and multichannel recording equipment. Its 32-bit resolution accommodates high-resolution audio workflows, while the 192kHz maximum sampling frequency supports high-rate capture. Differential analog inputs help preserve signal integrity when the source uses balanced interconnections.
PCB implementation should preserve the analog and digital return paths specified by the manufacturer, place input and decoupling capacitors close to their associated pins, and provide a clean low-noise analog supply. Differential routing should maintain symmetrical geometry where practical to minimize conversion of common-mode disturbances into differential error. Designers should also review clock requirements, digital-interface mode settings, and filter selection in the AK5522VN datasheet before finalizing a new PCB.
This page combines the AK5522VN product specifications with practical audio-converter guidance, application analysis, engineering design notes, and a structured comparison framework. These resources help engineers evaluate the converter alongside other 32-bit audio ADC options and plan a low-noise implementation before schematic capture and PCB layout.
Bộ thay thế dễ dàng lắp đặt cho AK5522VN — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Không có bộ thay thế dễ dàng lắp đặt sẵn có cho sản phẩm này.
Yêu cầu các bộ thay thếAK5522VN Tỷ lệ tối đa & tính chất điện
| Converter Type | Stereo sigma-delta audio ADC |
| Độ phân giải | 32 bit |
| Number of Inputs | 2 differential inputs |
| Sampling Frequency Range | 8kHz to 192kHz |
| Dynamic Range | 108dB |
| Signal-to-Noise Plus Distortion | 98dB |
| Digital Supply Voltage Range | 3.3V to 5V |
| Analog Supply Voltage Range | 4.5V to 5.5V |
| Hộp | 24-HQFN (4x4 mm) |
| Surface-Mount Package | 24-HQFN |
| Input Architecture | Differential stereo input |
| Digital Filter Options | 4 selectable types |
| Integrated Features | PLL and LDO |
| Power-Supply Rejection | Excellent PSRR |
| Target Signal Type | Line and microphone audio |
Hướng dẫn cấu hình chân AK5522VN 24-hqfn
Cấu hình chân cho AK5522VN (24-hqfn gói). Thành phần số hiệu này có chân đầu vào, đầu ra và nguồn cung cấp. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết cấu hình chân bù, bù trừ và chân kích hoạt. Hoàn hảo cho điều kiện tín hiệu và mạch khuếch đại.
Không có dữ liệu chân cụ thể sẵn có cho AK5522VN.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
AK5522VN phù hợp cho 6 Áp dụngs: Professional Audio Interface, Digital Microphone Interface, Studio Monitor Controller, Broadcast and Recording Equipment, High-End Consumer Audio System, USB Audio Capture Device.
Professional Audio Interface
The AK5522VN fits professional audio interfaces that require two high-resolution, differential analog capture channels before digital routing and storage. Its 32-bit conversion, 8kHz-to-192kHz sampling range, 108dB dynamic range, and 98dB S/(N+D) provide ample performance for line-level studio sources. The two differential inputs reduce sensitivity to common-mode noise when the source uses balanced wiring. Designers can use the four selectable digital filters to match a preferred audio response, while the integrated PLL and LDO support a compact converter front end. The critical implementation task is preserving a clean analog return path while keeping digital clock and data traces away from the input stage.
Được đề xuất
Digital Microphone Interface
The AK5522VN is suitable for a digital microphone interface built around balanced analog microphone outputs. Two differential inputs support stereo or dual-channel capture, while 32-bit resolution preserves headroom for downstream gain control and signal processing. Sampling rates from 8kHz to 192kHz allow the same converter architecture to serve speech, music, and high-resolution recording workflows. The 98dB S/(N+D) specification is especially relevant when the microphone output is relatively quiet. Interface design should preserve symmetry between the differential inputs and follow the manufacturer’s bias, reference, filtering, and decoupling guidance to prevent converter error from obscuring the source signal.
Được đề xuất
Studio Monitor Controller
The AK5522VN can serve as the capture converter in a studio monitor controller that accepts balanced line inputs and forwards them to a digital signal processor. Its differential stereo architecture is well matched to professional monitor connections, and the 108dB dynamic range supports faithful capture over a broad signal span. At 192kHz, the converter also accommodates high-rate monitoring or measurement workflows. Four selectable digital filters allow system-level tuning of the audio-band response, although the correct selection must be validated for latency and anti-aliasing requirements. A practical design should keep the converter’s analog return independent from loudspeaker-amplifier power currents to avoid injecting large, low-frequency signals into the measurement path.
Được đề xuất
Broadcast and Recording Equipment
The AK5522VN supports broadcast and recording equipment that converts balanced analog program sources into high-resolution digital audio. Its two differential inputs suit stereo channel capture, while the 32-bit format and sampling rates up to 192kHz provide flexibility for quality-focused signal paths. The 98dB S/(N+D) rating helps maintain program clarity when source levels are low, and the integrated PLL supports digital-clock organization. Engineers must select the appropriate digital filter for the system’s bandwidth and latency goals and verify the required serial-audio format with the downstream processor. Shielding, grounding, and analog supply cleanliness remain critical because high-resolution conversion cannot recover noise or distortion already introduced upstream.
Được đề xuất
High-End Consumer Audio System
The AK5522VN can serve as the analog-to-digital front end of a high-end consumer audio system that accepts balanced line-level sources. The stereo differential inputs reduce susceptibility to ground potential differences and common-mode interference, while 32-bit resolution and 108dB dynamic range provide a strong foundation for lossless digital playback workflows. Its four selectable filters make it possible to tune conversion behavior for different sound-quality preferences. The converter should be positioned near the input connectors, with short analog traces and a controlled return plane, while digital routing proceeds toward the audio processor or DAC. Low-noise clocking and quiet analog supplies are necessary to preserve the converter’s measured performance.
Được đề xuất
USB Audio Capture Device
The AK5522VN is suitable for a USB audio capture device that converts balanced analog inputs into high-resolution PCM data for a host controller. Its two differential channels support professional line-level sources, while the 8kHz-to-192kHz range accommodates voice, music, and high-resolution capture. The 98dB S/(N+D) performance helps maintain signal integrity when source levels approach the noise floor, and the integrated PLL can simplify the relationship between the system clock and serial-audio output. The USB interface and clock circuitry must be validated for the selected operating mode. Analog and digital return paths should remain separated to prevent USB switching currents and host-reference noise from coupling into the converter inputs.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho AK5522VN — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này |
|---|---|
| Package | 24-HQFN (4x4 mm) |
| Brand | Asahi Kasei Microdevices |
| Converter Type | Stereo sigma-delta audio ADC |
| Resolution | 32 bit |
| Input Architecture | 2 differential inputs |
| Sampling Frequency Range | 8kHz to 192kHz |
| Dynamic Range | 108dB |
| Signal-to-Noise Plus Distortion | 98dB |
| Digital Filter Options | 4 selectable types |
| Digital Supply Voltage Range | 3.3V to 5V |
| Analog Supply Voltage Range | 4.5V to 5.5V |
| Integrated Features | PLL and LDO |
Bảo phân biệt quan trọng
- High-resolution stereo conversion with a broad sampling-rate range (vsLower-resolution audio ADC designs)
- Differential stereo input architecture (vsSingle-ended audio ADC designs)
- Selectable conversion filtering (vsFixed-filter audio ADC designs)
Ghi chú thiết kế
Keep the two analog input paths symmetrical and route them away from clock, serial-data, and digital-return traces. Place input, reference, and decoupling components close to the pins specified in the manufacturer application circuit. The AK5522VN relies on strong PSRR, but layout remains important because high-frequency clock and interface currents can couple into the differential input nodes. Use a continuous analog ground region where appropriate and prevent digital return current from flowing beneath the converter’s sensitive analog section.
The AK5522VN operates from a 3.3V-to-5V digital supply and a 4.5V-to-5.5V analog supply. Verify the actual rail values against the selected operating mode in the manufacturer datasheet, and place the specified bypass components directly at the relevant supply pins. Keep sensitive analog supply distribution separate from noisy digital and power-amplifier currents wherever the board architecture permits. Confirm startup, reset, and power-sequencing behavior before using the converter in a system that requires a defined mute interval.
Treat the serial-audio output and master-clock connections as controlled digital signals even when their logic levels appear modest. Use the manufacturer-recommended interface mode and clock configuration, provide continuous return paths, and avoid adding unnecessary stubs or test-probe discontinuities. Differential input integrity depends on symmetrical routing and consistent source impedance. Validate filter selection against aliasing, phase response, group delay, and system latency before fixing the digital-audio operating mode.
Thông tin tuân thủ
Compliance status requires confirmation from the manufacturer or a current declaration for the ordered part.
