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Friday, 15 December 2017, 14:40 HKT/SGT

Source: Hua Hong Semiconductor
Hua Hong Semiconductor introduces 12-bit SAR ADC IP to enable Ultra-Low Power MCU Platforms

HONG KONG, Dec 15, 2017 - (ACN Newswire) - Hua Hong Semiconductor Limited ("Hua Hong Semiconductor" or the "Company", together with its subsidiaries, the "Group"; stock code: 1347.HK), a global leading pure-play 200mm foundry, today introduced a world-class 12-bit Successive Approximation Register Analog Digital Converter (SAR ADC) IP based on its 0.11um Ultra-Low Leakage (ULL) embedded Flash (eFlash) process platform. This ADC IP has outstanding silicon proven features, such as up to 2MSPS sampling rate, multilple channels, high precision and low power consumption, which is ideal for high-performance micro-controller units (MCUs), and can fulfill needs of various applications, including Internet of Things (IoT).

Leveraging on its extensive IP design experience and outstanding R&D team, in addition to embedded NVMs, Hua Hong Semiconductor has already announced a number of analog IP series, such as RTC, BGR, LDO, PORI, PORE, RC OSC, LCD driver, and ADC in order to target the fast growing MCU market. The ADC IP introduced this time is an SAR ADC with 12-bit resolution, featuring monotonic transfer function and no missing codes; the IP has a small area of 0.2mm2, which has reduced the cost of the chip. It can operate reliably under a wide range of supply voltage from 1.8V to 5.5V, and temperature from -40 degrees celsius to +125 degrees celsius.

The 12-bit SAR ADC IP features ultra-low power - only 3.5mW under 2MSPS sampling rate and 3.3V, and 1.8mW under 2MSPS sampling rate and 2.0V.

The 12-bit SAR ADC IP features excellent dynamic performance - 70dB SNDR under 2MSPS sampling rate and 3.3V, and 69dB SNDR under 1.5MSPS sampling rate and 1.8V.

The 12-bit SAR ADC IP provides ten external input channels (eight of which can be flexibly configured to operate in either the differential or single-ended mode, while the other two are used for external reference voltage mearsurement) and one internal input channel (used for supply voltage measurement). The built-in digital calibration circuit can correct the offset of the internal comparator and the linear error of the internal DAC. Furthermore, the positive and negative reference voltages as well as the sampling period length can both be customized and configured.

"The introduction of the 12-bit SAR ADC IP demonstrates the development and innovation ability of Hua Hong Semiconductor," said Dr. Kong Weiran, Executive Vice President of Hua Hong Semiconductor. "As an important part of our MCU series solutions, successful tape-out and verification of the ADC IP on the 0.11um ULL eFlash platform can effectively help our customers reduce chip power consumption and cost, simplify system design, which will, in turn, enhance their competitiveness in different markets, such as IoT, manufacturing, and automotive electronics."

About Hua Hong Semiconductor Limited
Hua Hong Semiconductor (Stock Code: 1347.HK) is a global leading pure-play 200mm foundry, primarily focusing on research and manufacturing of semiconductors on 200mm wafers for specialty applications, in particular eNVM and power discretes. The Group's portfolio also includes several other advanced process technologies such as RFCMOS, analog and mixed signal, PMIC and MEMS. According to IHS, based on total 2016 revenues, the Group ranked second globally amongst pure-play 200mm foundries. The semiconductors Hua Hong Semiconductor manufactures are incorporated into a wide range of products in diverse markets, including consumer electronics, communications, computing, industrial and automotive. Hua Hong Semiconductor uses its own proprietary processes and techniques to manufacture semiconductors of the design specifications for its diverse customers. The Group currently has one of the largest 200mm wafer processing capacities in China through its three fabs in Shanghai, with an approximate total capacity of 166,000 wafers per month as of September 30, 2017. The Group also offers design enablement services facilitating the timely completion of complex designs that are optimized in terms of performance, cost and manufacturing yield on its processes.

Hua Hong Semiconductor's current business is mainly operated and developed through Shanghai Huahong Grace Semiconductor Manufacturing Corporation ("HHGrace"), which is its subsidiary based in Shanghai. HHGrace was incorporated through the consolidation between Shanghai Hua Hong NEC Electronics Company, Limited and Grace Semiconductor Manufacturing Corporation.

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Dec 15, 2017 14:40 HKT/SGT
Topic: Press release summary
Sectors: Electronics, Daily Finance, Daily News
From the Asia Corporate News Network

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Features of 12-Bit SAR ADC
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Dynamic performance of 12-Bit SAR ADC
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