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CS5532-ASZ

24-bit 2-ch ADC, A-grade, chopper, PGA 1-64x, SSOP-20

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Manufacturer Part：

CS5532-ASZ

Package：

20-Lead SSOP (7.2 x 5.3 x 1.75 mm)

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Description

Product Overview

The CS5532-ASZ is a Cirrus Logic 24-bit delta-sigma ADC, standard grade version of the CS5532-BSZ, with chopper-stabilized instrumentation amplifier and PGA gains to 64x. Packaged in 20-lead SSOP, -40C to +85C.

Key Specifications

Resolution 24 bits
Channels 2 differential
PGA 1, 2, 4, 8, 16, 32, 64
Data Rate 7.5 to 3840 SPS
Grade Standard (A)
Package 20-Lead SSOP

Features

  • 24-bit delta-sigma converter
  • Standard grade accuracy
  • Chopper-stabilized input amplifier
  • 2 differential input channels
  • PGA gains up to 64x
  • SPI serial interface
  • Self/system calibration

Applications

  • Weight scale and measurement
  • Industrial process control
  • Strain gauge measurement
  • General-purpose instrumentation

The CS5532-ASZ is the standard grade (A-grade) version of the Cirrus Logic CS5532 24-bit delta-sigma ADC with chopper-stabilized instrumentation amplifier in a 20-lead SSOP package. The A-grade provides standard accuracy specifications suitable for most weight scale and industrial measurement applications at a lower cost than the B-grade. The two differential input channels with programmable gain amplifier (PGA gains 1x to 64x) enable direct connection of bridge sensors without external signal conditioning. The chopper-stabilized architecture dramatically reduces input offset drift, eliminating the need for external auto-zero circuits. Data rates from 7.5SPS to 3840SPS are programmable through the SPI interface. Self-calibration and system calibration routines correct offset and gain errors, storing coefficients in on-chip registers. The device operates from +/-5V dual supplies for bipolar input measurement. The CS5532-ASZ provides the same features and pinout as the -BSZ with relaxed initial accuracy specifications at a reduced price point. Packaged in 20-lead SSOP rated for -40C to +85C.

The CS5532-ASZ operates identically to the CS5532-BSZ with the same fourth-order delta-sigma modulator, chopper-stabilized input stage, PGA, digital decimation filter, and SPI interface. The A-grade differs from B-grade only in the tested accuracy specifications after manufacturing, with the same silicon and architecture. The chopper technique alternately swaps the input amplifier polarity, converting DC offset to AC that is removed by the digital filter. The PGA amplifies the input before the modulator. The decimation filter produces 24-bit output at the selected data rate. Self-calibration applies internal zero and full-scale references to measure and correct offset and gain. System calibration applies user-provided reference inputs for absolute accuracy in the end application. The SPI interface writes configuration and reads conversion results with 24-bit data width.

Same pinout as CS5532-BSZ: 20-lead SSOP with AIN1+/AIN1-, AIN2+/AIN2-, VREF+/VREF-, VA+/VA-, A0, CS, SDO, SDI, SCLK, VD+, DGND. Refer to CS5532-BSZ pin description for complete details.

  • Commercial weight scale with 24-bit ADC and standard grade accuracy for cost optimization
  • Industrial process monitoring with chopper-stabilized low-drift measurement
  • General-purpose strain gauge measurement with PGA=64x for small bridge signals
  • Instrumentation ADC with system calibration for moderate accuracy requirements
Model Manufacturer Key Difference
CS5532-BSZ Cirrus Logic B-grade, tighter accuracy
CS5534-ASZ Cirrus Logic 4-channel version
HX711 Avia 24-bit, weight scale, lower cost
NAU7802 Nuvoton 24-bit, similar application
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Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
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  • Industrial Control & Consumer Electronics: Products conform to universal international electronic industry standards, suitable for long-term continuous operation of various equipment.

4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

We establish a complete product traceability system. Each batch of goods corresponds to independent batch number, sourcing record, inspection record and delivery record. Customers can query the whole lifecycle information of components at any time. This system effectively solves quality risks and facilitates after-sales handling and production quality control for your company.

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If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

Contact Us

If you have inquiries about our quality standards, inspection procedures or product certification documents, please feel free to contact us:

 

Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Shipping & Payment

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

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    We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

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5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
  • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

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We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

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Our senior engineer team provides free technical consultation, model selection guidance and original manufacturer datasheets. We assist customers in solving problems related to product R&D, circuit design and component application, providing reliable technical support for project progress.

5. Sourcing for Special Components

Relying on our global supply chain network, we professionally source scarce components, obsolete parts and customized special components to efficiently solve your procurement difficulties.

6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

  • All components are packed separately to avoid damage caused by friction and collision;
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  • Each package is clearly marked with part number, quantity, batch number and specifications for easy inventory counting and management.

2. Classified Professional Packaging

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  • Vacuum Moisture-proof Packaging: Moisture-sensitive components are vacuum-sealed with desiccants to isolate humid air, suitable for ocean transportation and long-term storage.
  • Original Factory Packaging: Integrated circuits of brands such as NXP are delivered with original reels, trays or tubes by default, retaining complete original packaging and adapting to automated SMT production lines.
  • Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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