CS5528-AP - 24-Bit 8-Channel ADC with PGIA | Cirrus Logic
MPN: CS5528-AP ✗ Akhir HayatCS5528-AP Ringkasan
A delta-sigma ADC is an analog-to-digital converter that uses oversampling, digital filtering, and noise shaping to obtain high resolution from a relatively compact converter core. Within the power-management and signal-chain hierarchy, the CS5528-AP belongs to the ADC, data-acquisition IC, and analog signal-processing semiconductor categories. Its buffered delta-sigma architecture is intended for systems that require precise conversion of multiple low-bandwidth analog inputs rather than high-frequency waveform capture.
The CS5528-AP provides 24-bit resolution across eight channels and integrates a programmable-gain instrumentation amplifier with each channel. The PGIA adds adjustable analog gain ahead of conversion, allowing input signals to be scaled into the converter's usable range. Additional family-level information identifies the converters as using charge-balance techniques, with the CS5522, CS5524, and CS5528 providing 24-bit performance and the CS5521 and CS5523 providing 16-bit performance.
The buffered input stage is an important architectural feature because it provides impedance buffering ahead of the modulator and digital filtering stages. This can simplify matching across eight analog channels and reduce sensitivity to source impedance. The multirange architecture also permits different input ranges to be supported within one converter family, making the CS5528 suitable for systems that acquire several physical quantities with different signal amplitudes.
Typical uses include industrial process monitoring, sensor-interface measurement, laboratory instrumentation, environmental monitoring, and multichannel data-acquisition systems. Eight integrated channels reduce the need for separate converter packages when the monitored inputs are slow-changing or low bandwidth. The same device family can also be considered in precision measurement systems where a 24-bit conversion result and selectable analog gain improve the usable dynamic range of the front end.
PCB design should preserve the analog and digital separation described by the manufacturer datasheet. Keep analog input routing away from digital control and interface traces, use a stable analog supply, and follow the recommended grounding and decoupling arrangements. Because the exact electrical limits, reference requirements, acquisition timing, and pin assignments are not reproduced here, use the manufacturer pin-description and application information when finalizing component values and PCB constraints.
This page consolidates the confirmed conversion architecture, channel count, package information, lifecycle position, and practical design considerations for engineers evaluating the CS5528-AP. It also distinguishes a genuine PCB drop-in replacement from merely similar ADC functions, helping designers avoid substitutions that require pin, footprint, or analog-performance requalification.
Pilihan pengganti yang segera untuk CS5528-AP — sama paket, pin-pin kompatibel. Bahagian paket yang berbeza memerlukan kerja ulang PCB diasingkan.
Tiada pilihan pengganti yang segera untuk produk ini.
Minta AlternatifCS5528-AP Penilaian maksimum & Ciri-ciri Elektrik
| Product Type | Analog-to-Digital Converter (ADC) |
| Pemecahkatan | 24 bit |
| Number of Channels | 8 channels |
| Converter Architecture | Buffered delta-sigma |
| Input Stage | Programmable-gain instrumentation amplifier (PGIA) |
| Family Performance | 16-bit or 24-bit across the CS5521, CS5522, CS5523, CS5524, and CS5528 family |
| Conversion Technique | Charge-balance delta-sigma technique |
| Kemasan | PDIP-24 |
| Jenis Pemasangan | Through-hole |
| Status RoHS | Compliant |
| Status Lingkungan Hidup | Discontinued |
Panduan Konfigurasi Pin CS5528-AP pdip-24
Konfigurasi pin untuk CS5528-AP (pdip-24 pakai). Komponen analog ini mempunyai pin masukan, keluaran, dan kuasa. Rujuk dokumen pengeluar untuk konfigurasi pengecualian, pemulihan, dan pin aktifkan. Ideal untuk pengawasan isyarat dan litar pengukur.
Tiada data garisan pin yang diperoleh untuk CS5528-AP.
Rujuk kepada lembaran data untuk konfigurasi pin penuh.
Aplikasi Biasa
CS5528-AP patut untuk 6 aplikasis: Industrial Process Monitoring, Precision Sensor Acquisition, Environmental Monitoring, Laboratory Data Acquisition, Power and Equipment Monitoring, Precision Measurement Control.
Industrial Process Monitoring
The CS5528-AP is well suited to acquiring several slow-changing process variables in a single data-acquisition subsystem. Its eight channels and 24-bit resolution support detailed representation of temperature, pressure, level, and flow measurements, while the integrated programmable-gain instrumentation amplifiers help scale different sensor ranges before conversion. The buffered delta-sigma front end is appropriate for low-bandwidth industrial signals rather than high-frequency waveform capture. A practical implementation should group sensor inputs away from motor and switching-control traces, apply suitable input protection, and establish calibration offsets and gain correction in the acquisition software.
Disebarkan
Precision Sensor Acquisition
The CS5528-AP can serve as the central converter for a bank of low-level analog sensors that benefit from high resolution and adjustable gain. Its eight channels reduce parallel converter requirements, and the PGIA provides analog scaling ahead of the 24-bit delta-sigma conversion stage. This architecture is useful for resistive, pressure, strain-related, and chemical-sensor interfaces when the signal bandwidth is modest and the source impedance is within the supported input network. Design the analog front end for sensor settling time, common-mode range, protection, and calibration, and avoid placing sensitive sensor routes beside high-energy switching nodes.
Disebarkan
Environmental Monitoring
The CS5528-AP fits distributed environmental monitoring systems that combine temperature, humidity, pressure, gas, and water-level sensors behind a common acquisition interface. Eight 24-bit channels allow multiple transducer outputs to share one converter, while programmable gain accommodates differing signal amplitudes without requiring the same external amplification for every input. Because environmental sensors often have slow response times, the buffered delta-sigma architecture is appropriate for periodic measurements rather than high-speed sampling. The system should include input filtering, surge and ESD protection appropriate to the installation, and grounding that prevents sensor currents from disturbing the converter reference.
Disebarkan
Laboratory Data Acquisition
For laboratory instruments, the CS5528-AP provides a combination of eight channels, 24-bit resolution, and programmable analog gain for acquiring several measurement channels on a common board. It is particularly appropriate for instrument front ends that sample relatively slow analog quantities and require repeatable multi-channel measurements. The PGIA reduces the need for a separate gain stage on every channel, while the buffered inputs help isolate the converter from source-impedance variations. A successful design must still account for the manufacturer's input settling requirements, reference accuracy, digital interface timing, analog supply quality, and calibration of gain and offset across the selected range.
Disebarkan
Power and Equipment Monitoring
The CS5528-AP can digitize multiple analog monitoring points in industrial power equipment, including voltage, current-derived signals, temperature, and status feedback. Eight channels provide enough parallel acquisition for a compact supervisory board, and 24-bit resolution preserves fine detail in slowly changing quantities. The programmable-gain stage can accommodate mixed sensor ranges before conversion, but each signal still needs its own scaling and protection network. Placement is critical: monitor traces should remain short and away from power-switching paths, and the analog and digital grounds should follow the manufacturer's reference layout to prevent switching activity from appearing as measurement error.
Disebarkan
Precision Measurement Control
The CS5528-AP can provide the measurement side of a closed-loop industrial control system that must observe several analog process values before updating actuator commands. Its high-resolution conversion supports accurate sensing of slow control variables, while the eight-channel arrangement reduces the number of separate data-conversion devices on the controller. The integrated PGIA allows different ranges to share the converter without identical analog front-end gains. For control-loop use, verify the converter's conversion timing and digital-interface latency against the required loop update rate, add channel-specific filtering, and isolate analog input routing from the power stages and communications circuitry.
Disebarkan
Ringkasan Produk Disebarkan
Data referensi kejuruteraan untuk CS5528-AP — perbandingan, panduan rancangan, dan maklumat kesediaan
Panduan Pilihan
Perbandingan dengan Gantian
| Parametr | Produk Ini |
|---|---|
| Product Type | Analog-to-Digital Converter (ADC) |
| Brand | Cirrus Logic |
| Package | PDIP-24 |
| Resolution | 24 bit |
| Channel Count | 8 channels |
| Converter Architecture | Buffered delta-sigma |
| Integrated Analog Front End | Programmable-gain instrumentation amplifier (PGIA) |
| Conversion Technique | Charge-balance delta-sigma technique |
| Lifecycle Status | Discontinued |
| RoHS Status | Compliant |
Catatan Desain
Route the eight analog inputs as a distinct analog signal group and keep them away from digital clocks, serial-interface activity, relay contacts, and high-current switching paths. Place the configured input networks and the device's decoupling capacitors close to their associated pins. The 24-bit conversion resolution makes the device sensitive to small analog errors, so routing geometry and return paths should minimize coupling before firmware filtering is considered.
Implement the analog and digital grounding strategy specified by the manufacturer datasheet, including a clean connection between the analog and digital ground domains at the intended reference point. Keep the PGIA inputs away from digital return currents and noisy regulators. Verify the reference and supply arrangements against the acquisition board's highest-gain channel, because a shared reference disturbance can appear across multiple converted channels and cannot be corrected fully by calibration.
Do not substitute the CS5528-AP solely because another ADC has 24-bit resolution and eight channels. A drop-in decision requires matching PDIP-24 pin functions, input ranges, PGIA behavior, reference voltage, supply levels, digital interface, and acquisition timing. Confirm the exact ordering suffix and inspect the manufacturer's ordering table. For an existing CS5528-AP board, also account for the discontinued lifecycle status when planning supply continuity and long-term maintenance.
Condition each sensor channel with the filtering and protection network recommended for its source impedance, bandwidth, and environmental exposure. Allow adequate settling time before taking a valid conversion, and calibrate offset and gain after the complete analog path is assembled. Do not add large external capacitance directly at an input without checking the manufacturer's guidance, because excessive loading can lengthen settling time and degrade channel-to-channel agreement.
Maklumat Kesediaan
The indexed LCSC product record identifies the CS5528-AP as RoHS compliant. Cirrus Logic identifies the converter family as discontinued.
