Sensors

Abstract This paper presents a 10b display driver IC (DDI) for high-resolution OLEDs. It features a novel pivoting translinear-loop (PTL) DAC-in-buffer that overcomes the area, speed, and linearity trade-offs. A key enab

Abstract This paper presents a 10b source-driver IC (SD-IC) for ultra-fast, uniform-luminance mobile OLED displays. A current-mode auto-zeroing (CM-AZ) scheme transparently cancels outputbuffer offset—lowering DVO with z

Abstract This work presents a 3D display processor that converts the focal stack to tensor display. Algorithm-architecture co-optimization is applied to reduce the computational complexity and hardware complexity. It ach

Abstract This paper presents a 10b 240Hz digital-PWM CMOS backplane for μLED-on-Silicon with a shared, unified memory-in-pixel structure. A unified D-FF chain (UDC) merges the in-pixel register, counter, and comparator i

6652-PPI microLED AR display. Pixel-level sensing with pBIST enables accurate calibration and compensation of current variation. The 2.7µm-pitch array integrates an 8b shifter with MSB latch for PWM. System techniques in

systems [1-4]. Compared to eddy-current displacement sensors [1], capacitive displacement sensors are potentially more energy efficient [2-4]. However, they are more susceptible to electric-field interferences on an elec

traditional lowspeed fields, such as measuring pressure [1] and humidity [2], to real-time applications like robotics and drones. E.g., high-performance MEMS motion-tracking devices feature a short measurement time of 31

capacitance-to-digital converters (CDCs) have attracted significant attention in IoT applications to monitor environmental conditions such as humidity [1-3] and pressure [3-5]. One of the key challenges is how accurately

S-OSC and R-OSC (S-DIV and R-DIV) derive a time difference ∆TSU+N·∆T, which is then converted to ∆VSU+∆V and D2[k] in the same manner. Finally, the kth C2D conversion result DLSB[k] is obtained as D1[k]%D2[k], so it cont

Ji-Su Choi1, Min-Woo Ko1, Jeong-hyun Cho1, Sangjin Lim1, Hyung-Min Lee2, Hyun-Sik Kim3, Kwyro Lee1, Gyu-Hyeong Cho1 KAIST, Daejeon, Korea; 2Korea University, Seoul, Korea Dankook University, Cheonan, Korea 1 3 A micro-bo

Coskun Tekes1, David M. J. Cowell2, Steven Freear2, F. Levent Degertekin1, Maysam Ghovanloo1 Georgia Institute of Technology, Atlanta, GA University of Leeds, Leeds, United Kingdom 1 2 Intracardiac echocardiography (ICE)

Mingliang Tan1, Hendrik J. Vos1,2, Johan G. Bosch2, Martin D. Verweij1,2, Nico de Jong1,2, Michiel A. P. Pertijs1 Delft University of Technology, Delft, The Netherlands Erasmus MC, Rotterdam, The Netherlands 1 2 Data acq

Hyung-Jong Ko1, San-Ho Byun1, Jin-Chul Lee1, Yong-Hoon Lee1, Yeong-Cheol Rhee1, Yoon-Kyung Choi1, Byung-Hoon Kang2, Chang-Byung Park2, Sungsoo Park2, Taesung Kim2 Samsung Electronics, Hwaseong, Korea Samsung Electronics,

Jae-Hun Ye4, Seung-Hwan Lee1, Ji-Yong Jeong1, Jung Soo Kim1, Kwang-Hyun Baek3, Ki-Seok Chung1, Seong-Kwan Hong1, Oh-Kyong Kwon1 Hanyang University, Seoul, Korea; 2Leading UI, Anyang, Korea Chung-Ang University, Seoul, Ko

Cleveland, OH 1 2 An accurate personal inertial navigation system under GPS-denied environment is highly critical for demanding applications such as firefighting, rescue missions, and military operations. Location-aware

Present implementations of MEMS gyroscopes measure rate indirectly by first converting it to a displacement [1,2]. In this case, the scale factor is a complex function of the transducer and readout circuits. Changes of a

Kofi A. A. Makinwa1, Stoyan Nihtianov1 Delft University of Technology, Delft, The Netherlands Catena Microelectronics, Delft, The Netherlands DC gain and >1GHz GBW (≈ 8*fmix) with a 1pF capacitive load. The OTA consists

Wheatstone bridge sensors are often used in precision instrumentation and measurement systems, e.g., for μK-resolution temperature sensing in wafer steppers [1] and mPa-resolution differential pressure sensing in precisi

Capacitive touch sensors are essential for the user interfaces of smartphones and tablet PCs. Large touch-screen panels (TSPs) require high-quality touch features, resulting in an increased number of sensing channels as

Young-Hwan Kim2, Han-Hee Hong2, Jae-Hun Ye4, Sung-Jin Jung1, Seung-Hwan Lee1, Ji-Yong Jeong1, Kwang-Hyun Baek3, Seong-Kwan Hong1, Oh-Kyong Kwon1 Hanyang University, Seoul, Korea Leading UI, Anyang, Korea 3 Chung-Ang Univ

share in consumer applications such as mobile phones and hearing aids. The consumer market is demanding improved quality for audio recording, while also being capable of suppressing high-energy disturbers, e.g., wind noi

closed-loop configuration (CL) to satisfy the demand for high-performance and stable inertial sensors [1]. Due to the higher complexity and power consumption compared to open-loop solutions, these systems have usually be

This paper presents a BJT-based temperature sensor, which can be accurately trimmed in both ceramic and plastic packages, on the basis of purely electrical measurements at room temperature. This is achieved by combining

features in IoT devices to monitor either environmental or system/chip conditions. An accurate temperature sensor usually requires carefully calibrated, high-accuracy ADCs, which prevents their use in ultra-low-power sen

temperature compensation of frequency references [1-5]. High resolution and energy efficiency are then critical requirements, the former to minimize jitter and the latter to minimize power dissipation in a given conversi

Tae Joon Seok1, Yasuhiro Matsui3, Ming C. Wu1, Bernhard E. Boser1 University of California, Berkeley, CA, 2EPFL, Lausanne, Switzerland, Finisar, Fremont, CA 1 3 Miniaturized 3D imaging systems with sub-mm precision are o

Korea 1 3 As the panel size and resolution of flat-panel displays grow, the one-horizontal (1-H) time, in which a column driver should program data voltage into a row of pixels, is reduced and becomes a main bottleneck t

tablet PCs and home appliances that have touch-screen panels (TSPs) larger than 10 inches. However, there are many sources of noise that affect touch detection, and some of these noise sources, such as charger noise, sig

still remains the most popular, cost effective, low power, accurate solution for low-power portable applications. Simple solutions with overall accuracies of a few 100ppm are based on the combination of a through-hole or

Compact temperature sensors are widely used in SoCs to monitor on-chip temperature gradients and hot-spots, which are known to negatively impact reliability [1-4]. In this application, sensors must be able to accurately

CMOS Hall sensors are widely used as magnetic sensors due to their linearity and ease of integration [1-3]. Being essentially n-well resistors, their resolution is determined by thermal noise and so decreases with bandwi

Xiaoyue Jiang1, Martin Lim3, Xi Li1, Eldwin Ng3, Utkarsh Singhal1, Julius M. Tsai 3, David A. Horsley2, Bernhard E. Boser1 University of California, Berkeley, CA, University of California, Davis, CA, 3Invensense, San Jos

Kamran Souri1, Rajkumar Palwai1, Will Chen1, Sudhakar Pamarti3, Joseph C. Doll1, Nicholas Miller1, Carl Arft1, Sassan Tabatabaei1, Carl Sechen2, Aaron Partridge1, Vinod Menon1 SiTime, Sunnyvale, CA, 2University of Texas,

such as electric motor controllers, solar panel power inverters, electric vehicle battery chargers, uninterrupted and switching mode power supplies benefit from the galvanic isolation of contactless current sensors (CCS)

Temperature sensors are widely used in microprocessors to monitor on-chip temperature gradients and hot-spots, which are known to negatively impact reliability [1-4]. Such sensors should be: 1) Small to facilitate floor

capacitance-to-digital converter (CDC) that is >9× smaller than prior CDCs with >10b resolution [1-4], and improves the energy efficiency by >10× compared to previous PM-based CDCs [1]. This is achieved with the help of

various physical quantities, including position, pressure, and concentration of certain chemicals [1-6]. Integrating capacitive sensors into a small wireless sensor system is challenging due to their large power consumpt

Resonant sensors are a promising candidates for energy-constrained applications. For instance, the resonance frequency shift of polymer-coated MEMS resonators has been used to realize electronic nose systems for personal

Jingren Gu1, Richard Ruby2, Brian P. Otis1 University of Washington, Seattle, WA, Avago Technologies, San Jose, CA 1 2 This work presents a single-chip sub-mm3 wireless pressure sensor suitable for tire pressure monitori

in high-volume applications, largely due to intuitive user interfaces in smart phones and video game controllers. For their continued expansion into more demanding CE applications, a further reduction of their noise, off

requires gm to be much larger than 1/Rs, which leads to large power overhead. The proposed subtractor in Fig. 27.2.2 utilizes a low-power OTA and a series-shunt feedback to boost the open loop gain, which makes the effec

(ESC) systems [1], which are mandated for new vehicles in many countries. Gyroscopes for ESC applications require higher performance specifications than those of consumer gyroscopes available in the market today. In addi

Rajkumar Palwai1, Niveditha Arumugam1, Preston Galle1, Meghan Phadke1, Charles Grosjean1, Jim Salvia1, Haechang Lee1, Sudhakar Pamarti3, Terri Fiez2, Kofi Makinwa4, Aaron Partridge1, Vinod Menon1 SiTime, Sunnyvale, CA, O

Delft University of Technology, Delft, The Netherlands, 3 Guilan University, Rasht, Iran, 4 SensArt, Delft, The Netherlands 1 2 This paper presents a precision BJT-based temperature sensor implemented in standard CMOS. I

Yonsei University, Seoul, Korea, 3 NXP Semiconductors, Eindhoven, The Netherlands 1 2 This paper describes an all-CMOS temperature sensor intended for RFID applications that achieves both sub-1V operation and high accura

University of Michigan, Ann Arbor, MI 1 2 Recent advances in nW-level wireless sensor nodes have created opportunities in emerging applications such as bio-implantable telemetry, smart healthcare, and environmental monit

For example, the 4×4 basis shown in Fig. 12.5.2 has a TX code unbalance of +2 and an RX steering ratio of 3:1, requiring CF larger than 6C0 even without room for noise margin. The offset canceller cancels out the common-

322Hz-frame-rate touch sensor is reported. Multiple touch points are detected by a two-step dual-mode capacitance scan, where self- and mutual-capacitance measurements are hierarchically performed in two steps to reduce

Sharp, Tenri, Japan 1 2 Realization of a mutual-capacitance touch-sensing system spanning over 30 inches is not a straightforward task, because the SNRs of conventional sequential drive controllers degrade as the number

Josue Sanz-Robinson, Sigurd Wagner, James C. Sturm, Naveen Verma Princeton University, Princeton, NJ Capacitive touch screens have enabled compelling interfaces for displays [1]. Three-dimensional (3D) sensing, where use