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Leo LSI Co., Ltd.

Leo LSI Co., Ltd. is a key player in the semiconductor IP industry, renowned for providing comprehensive analog IP solutions that are seamlessly integrated into various domains. Established in 2007, the company has consistently delivered silicon-proven IPs that enable clients to expedite their chip development processes with minimal risk. By offering unique and innovative analog IP designs, Leo LSI shortens the lead time for chip development and facilitates a smoother integration across different platforms. The company serves as an official sub-license partner of Samsung Foundry, further enhancing its credibility and reach in the market. Their partnership with Samsung Foundry embodies a commitment to providing analog IPs that are validated through advanced design methodologies, ensuring the highest standards of performance are met. Leo LSI's IPs are custom-designed to meet specific client needs, paving the way for high-performance solutions tailored to particular applications. Apart from their robust analog IPs, Leo LSI specializes in application-specific standard products (ASSPs), catering to a spectrum of consumer and industrial applications. Their expertise encompasses a range of technologies, from mixed-signal system-on-chips (SoCs) to state-of-the-art system design services, all aimed at addressing bespoke customer requirements, particularly within the industrial and medical markets. This is complemented by their pool of highly skilled engineers who craft solutions that exceed customer expectations. Read more

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7
IPs available

65nm 8ch 12bit 1MSPS Low power ADC

The 65nm low-power ADC delivers 12-bit resolution across eight channels, making it exceedingly suitable for systems demanding accurate signal processing along with power efficiency. Operating reliably over an analog supply range of 2.4V to 3.6V and a digital supply from 1.08V to 1.32V, it fits well into systems where stability across varying voltages is critical. Its high spurious-free dynamic range (SFDR) of 88dB assures unadulterated signal fidelity, essential for both industrial and medical solutions. With a variable conversion rate from 0.1MSPS to 1MSPS, the device permits flexible deployment depending on throughput and power constraints. This adaptability makes it ideal for data acquisition systems, particularly in environments where quick, precise readings are mandatory yet power conservation cannot be overlooked, such as in battery-powered devices. Capable of enduring a broad operating temperature range from -40°C to 125°C, the ADC is robust enough for harsh environments. Its power-down mode, consuming less than 0.1uA, helps prolong device life in energy-sensitive applications while maintaining readiness to perform promptly as needed. This combination of attributes aligns with needs for efficient and comprehensive data handling in embedded control systems, especially in engineering and scientific instrumentation applications.

Leo LSI Co., Ltd.
33 Views
TSMC
65nm
A/D Converter
View Details Datasheet

55nm 8ch 12bit 1MSPS Low power ADC

Engineered for low power and high performance, the 55nm 8-channel 12-bit ADC provides 1MSPS rates with impressive energy efficiency, crucial for battery-powered and low-power sensor networks. Its design supports an analog power supply of 2.4V to 3.6V and digital supplies from 1.08V to 1.32V, ensuring broad application flexibility in variable environments. The analog input range, defined between REFB and REFT, accommodates diverse signal magnitudes, enhancing integration in mixed-signal systems. This ADC’s outstanding power efficiency, with a typical consumption of just 1.1mA, positions it as an optimal choice for applications focusing on energy conservation without sacrificing processing speed. Such characteristics enable its deployment in wireless sensor networks and pressure sensor arrays where power conservation is critical. Enhanced by its DNL of ±1.0 LSB and INL of ±2.0 LSB, it ensures precise signal conversion, which is vital for accurate data acquisition. Designed for sectors requiring reliability, such as industrial automation and portable medical devices, the ADC ensures seamless and accurate data monitoring. With a small core footprint of 0.1mm², it is ideal for compact designs, allowing integration without compromising on board real estate. It’s these features that make it a fundamental component for scalable and efficient electronic systems aimed at precision sensing and monitoring.

Leo LSI Co., Ltd.
28 Views
SMIC
55nm
A/D Converter
View Details Datasheet

16bit 16KSPS Sigma-Delta ADC

This advanced 16-bit Sigma-Delta ADC, fabricated with SMIC 55nm CMOS technology, is designed to offer exceptional audio fidelity through its programmable gain and microphone bias options. Featuring a 16KSPS conversion rate, this ADC effectively manages audio signals with precision and low noise, making it ideal for high-quality audio processing. Its design includes differential inputs and a digital serial interface that supports PDM, I2S, and TDM formats, ensuring compatibility with various audio applications. The ADC’s programmable gain control ranges from 0 to 50dB, providing versatility in managing input signal levels. Its robust signal-to-noise ratio (SNR) of 90dB highlights its ability to deliver clear and distinct audio without signal distortion. Consuming just 2.0mA typ for analog and 0.2mA typ for digital, it stands out for its power efficiency, which is crucial for portable and battery-driven audio devices. This ADC is particularly suitable for applications in smartphones, portable media players, and other audio processing equipment that demands high accuracy and minimal power usage. With its advanced modulator design and comprehensive interface options, it ensures high-quality audio capture and playback for modern digital sound systems, driving both innovation and functionality in audio tech.

Leo LSI Co., Ltd.
14 Views
SMIC
55nm
A/D Converter
View Details Datasheet

12bit 1MSPS ADC

The 12-bit 1MSPS ADC is optimized for applications requiring swift and accurate analog-to-digital conversion. Operating under Samsung 100nm CMOS technology, this ADC supports a broad operating range with an AVDD from 2.7V to 5.5V, making it suitable for diverse electronic environments. With a maximum conversion rate of 1MHz at higher voltage levels and a reduced rate at lower voltages, it caters to both performance and power-saving scenarios. Furthermore, with 16 channels of single-ended inputs, this ADC excels in multi-signal processing environments. Designed for precision, the ADC exhibits minimal differential non-linearity (DNL) and integral non-linearity (INL), ensuring the high fidelity of converted signals. Its superior signal-to-noise ratio (SNR) and spurious-free dynamic range (SFDR) reflect its exceptional performance in capturing subtle signal variations, making it ideal for high-resolution measurement systems. The ADC's typical power consumption levels are well-aligned with modern power-efficient design practices, highlighted by its minimal power draw during operation and a negligible standby current. Applications in fields like instrumentation, data logging, and real-time processing systems can exploit the ADC's multi-rate conversion capabilities and low power draw. Whether embedded in portable measurement devices or larger control systems, this ADC offers accurate and robust data conversion, aiding in the seamless translation of analog information into the digital domain for enhanced processing and analysis.

Leo LSI Co., Ltd.
12 Views
Samsung
180nm
A/D Converter
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5V 16-ch 12-Bit IMSPS ADC

The 5V 16-channel 12-bit IMSPS ADC is engineered using Magnachip's 0.18um 1P4M CMOS technology, offering a versatile solution for precise data conversion needs. It delivers 12-bit digital outputs and operates at a conversion rate of 1 MHz, ensuring swift and accurate signal interpretation. The ADC supports an analog voltage range of 4.5V to 5.5V and a digital voltage range of 1.62V to 1.98V, making it adaptable to various operating conditions. It is highly reliable across temperatures from -40°C to 85°C, consuming a mere 2mA while maintaining a DNL of ±1 LSB and an INL of ±2 LSB, which underscores its precision. The device is particularly advantageous in scenarios demanding low-current operation and robust performance across a broad temperature spectrum. Its low current consumption makes it a desirable choice for battery-operated devices, where energy efficiency is paramount. Additionally, the ADC’s specifications are well-suited for seamless integration into numerous data acquisition systems that prioritize signal integrity without compromising on power efficiency. Applications that necessitate rapid signal processing and stringent accuracy, such as industrial automation systems and high-resolution imaging equipment, greatly benefit from this ADC's features. Its ability to maintain high fidelity in signal conversion ensures that the data processed is both precise and reliable, supporting advanced processing tasks in a wide range of fields.

Leo LSI Co., Ltd.
12 Views
SilTerra
180nm
A/D Converter
View Details Datasheet

100V Boost Converter

This high voltage, 100V Boost Converter is engineered to meet demanding power supply needs, encompassing applications that require boosted voltage levels with precise control. Capable of handling up to 100V, its programmable voltage ranges from 40V to 100V, making it adaptable and versatile for varied high-voltage applications. The Boost Converter supports a programmable switching frequency between 80KHz and 160KHz, allowing for fine-tuning according to specific power supply requirements. To further enhance adaptability, it accommodates a boost supply voltage ranging from 3.5V to 5.5V, which is convened from an internal supply voltage of 3V, adding robustness to its design. Built-in reference voltage facilitates reliable internal operations, and the inclusion of an external FET switch and power diode enhances flexibility and user control during deployment. In practical applications, this converter is crucial for power management in audio amplifiers, photovoltaic systems, and other high-power devices requiring efficient voltage elevation. Its energy-efficient design reduces unnecessary power loss, allowing it to be sustainably incorporated in devices where energy preservation is paramount. This efficiency, combined with its high voltage capability, positions it as a staple for enhancing power delivery in high-demand environments.

Leo LSI Co., Ltd.
11 Views
DC-DC Converter
View Details Datasheet

150V Differential High Voltage Driver

The 150V Differential High Voltage Driver stands out as a robust solution for high-voltage applications requiring differential output configurations. It features a high voltage class-AB amplifier design, supporting a dual supply voltage of 3V and 100V. This flexibility makes it ideal for applications requiring dual-mode operations—both single-ended and differential configurations are supported, optimizing its versatility across various electronic environments. This driver achieves a maximum differential output of 150V, with programmable gain control ranging from 20 to 50x, allowing for precise amplification adjustments based on specific requirements. It manages a maximum load current of 10mA, highlighting its capacity for handling substantial drive outputs without compromising on efficiency or accuracy. With its high precision and flexibility, this driver is perfectly suited for power amplification in industrial control systems, large-scale display technologies, and other scenarios where high voltage and reliable performance are indispensable. Its 250Hz sine-wave drive capability at a 15nF load underscores its adeptness at managing dynamic loads, integral for high fidelity in power-sensitive applications.

Leo LSI Co., Ltd.
11 Views
View Details Datasheet
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