Legendsemi: Industry Leader in High-Performance Analog and Mixed-Signal ICs

Today, UCC would like to introduce to you a company that has emerged as a leader in the semiconductor industry - Suzhou Legendsemi Technology Co. The company specializes in the development of high-performance analog and mixed-signal chips, and its product line focuses on two core areas: high-precision signal chain and signal chain MCUs/SOCs. Below is a detailed introduction of some of Legendsemi's most popular products, which have gained wide acceptance and attention in a variety of fields, including industrial control, optical communication, medical equipment and automotive electronics, due to their outstanding performance.

1. LHA7530: 24-bit ADC with integrated high-precision instrumentation amplifier

Features:

- Integrated high precision low noise instrumentation amplifier supporting rail-to-rail input.

- Programmable Gain Amplifier (PGA) supports 64x and 128x gain.

- Ultra-high linearity (1.5ppm/FSR) and low noise (9.5nV/√Hz).

Application Scenarios:

- Medical instruments (e.g. ECG, EEG monitoring equipment).

- Precision signal acquisition in industrial control systems.

With its ultra-high precision and low power consumption design, the LHA7530 is an ideal choice for medical and industrial applications.

2. LHA5652: 24-bit ΣΔ-type ADC

Features:

- Supports multi-channel input configuration (8/16 channels, fully differential or pseudo-differential).

- Output data rates range from 1.25 SPS to 31.25 kSPS.

- Built-in rail-to-rail buffer and high-precision reference source.

Application Scenarios:

- Temperature and pressure measurements.

- Scientific instrumentation and chromatography equipment.

- Industrial process control (e.g., PLC/DCS modules).

The LHA5652 excels in industrial and medical applications with its low noise design and multi-channel capability.

3. LHA8952-16 / LHA8959-16: 16-bit SAR-type ADCs

Features:

- The LHA8952-16 supports 4-channel fully differential inputs and the LHA8959-16 supports 8-channel pseudo-differential/single-ended inputs.

- Built-in high-precision reference source, operating temperature range of -40℃~+125℃.

- High-speed data acquisition capability, suitable for real-time monitoring.

Application Scenario:

- Data acquisition system.

- Battery management system.

- Industrial automation control.

These two SAR-type ADC chips meet the needs of applications in harsh environments with their high reliability and wide temperature range.

4. LH32M0S01: MCU+SoC with 24-bit ADC integration

Features:

- Integrated 32-bit ARM Cortex-M0 core supporting up to 32 MHz operating frequency.

- Built-in 24-bit high-precision ΣΔ ADC, supports multi-channel input (single-ended or differential).

- Low-power modes (sleep, deep sleep, and power-down modes).

Application Scenarios:

- Industrial automation and IoT devices.

- Signal processing in medical monitoring equipment.

The LH32M0S01 simplifies peripheral circuits through a highly integrated design while meeting miniaturization and low-power requirements.

5. LHE5312: Highly Integrated Silicon Optical AFE Chip

Features:

- Designed for silicon optical modules, it integrates 12 VDACs/IDACs with 12-bit precision.

- Supports a maximum output current of 30mA, and four IDACs supporting parallel outputs, each with a load of 200mA.

- I²C and SPI digital interfaces are provided in a 3.6mm x 3.5mm package.

- The package size is only 3.6mm x 3.5mm. The supported operating temperature range is from -40℃ to +105℃, which is suitable for harsh environments.

Application Scenario:

- 600G silicon optical modules for optical communications.

- High-speed data transmission equipment.

The LHE5312 supports the silicon optical module market with its miniaturization, high integration, and flexible configurability.

Technical Advantages and Market Positioning

LeaderHub's products occupy an important position in a number of industries due to their excellent performance. The following are its core competencies:

1. High-precision and low-noise design: to meet the stringent requirements for signal quality in industrial control and medical equipment.

2. Highly integrated and miniaturized: Reduce system complexity while adapting to the needs of portable devices. 

3. Wide range of applications: covering a wide range of industries such as industrial automation, optical communications, medical monitoring and automotive electronics.

As a leading analog and mixed-signal chip supplier in China, UCC creates value for customers through continuous innovation and optimization of product performance.

UCC is always committed to bringing more top-notch products from quality manufacturers to our customers. We continue to expand our partner network to ensure that every customer has access to industry-leading technology and superior manufacturing quality. Through rigorous selection and continuous optimization, UCC promises to bring you higher performance and more reliable products to meet your growing business needs.

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