There are many parameters which define the performance of analog and mixed-signal circuits. Among the many “static” (sometimes called “DC” specifications, but this is a misnomer) factors are offset error, gain error, integral nonlinearity, and differential nonlinearity. Note that there are also dynamic specifications (called “AC” specifications but also a misnomer) such as the effective […]
Products
Color sensor detects color temperature, brightness, RGB components of ambient light for adjusting display qualities
ROHM Semiconductor has recently announced the availability of a color sensor for display-equipped devices such as smartphones and tablets capable of detecting the color temperature, brightness, and RGB components of ambient light. A working demo will be showcased at this year’s Sensors Expo held on June 28-29th at booth 616, at the McEnery Convention Center […]
Robust 3D transponder coils with high sensitivity for automotive
TDK Corporation presents a new series of 3D transponder coils with a high sensitivity level for passive entry passive start (PEPS) and other access systems. Measuring just 11.5 mm x 12.5 mm x 3.6 mm, the B82453C*A* series features six types of 3D transponder coils that offer sensitivity levels from 45 mV/µT to 83 mV/µT […]
Why use a nonlinear amp?
Users normally place a great deal of value in the high linearity of an amplifier and its corresponding low distortion. Audio amplifiers, for example, are quoted with many linearity specifications, such as total harmonic distortion (THD) or 1%, 0.1% or even less. Even the outputs of amplifiers with internal topologies which are inherently nonlinear, such […]
What is a multiplying DAC?
Multiplying digital-to-analog converters (MDACs) produce a (current) output signal that’s a product of the given reference voltage and the code (i.e., a string of 0s and 1s) flowing through it. All data converters require a voltage reference (VREF) and a typical, standard DAC needs a very stable fixed reference voltage in order to operate properly. […]
Low-power piezo vibrator brings annunciation to wearable devices
Murata Americas today introduced the PJFV series. This miniaturized, low power consuming product leverages piezoelectric ceramics to provide vibration notifications and announcements to wearable devices. It measures just 10.5mm ´ 3.8mm ´ 2mm, has a rated working voltage of 3V, and current consumption of 2mA rms. Light and sound sensing products have historically been used for notification and announcement functions. With the roll-out of the PJFV series, now vibration solutions can […]
16-channel, 12/16-bit DACs target telecom optical-module control
Analog Devices, Inc. announced today a pair of highly integrated 16-channel digital-to-analog (D/A) converters that significantly reduce the system footprint for wired telecommunications systems, yet without any performance compromise. The 12-bit AD5767 and 16-bit AD5766 are fully integrated devices with all the required bias ranges for coherent optical systems of medium- to long-haul, fiber-based telecommunication […]
Low-jitter, low-power clock chips target coin-cell battery operated IoT sensors
SiTime Corporation introduced the SiT1569 oscillator and SiT1576 Super-TCXO with expanded frequency range. These unique timing solutions, available in a tiny CSP (chip-scale package), enable coin-cell battery operated IoT sensors to run up to 10 years. By using SiTime’s revolutionary TempFlat™ MEMS and mixed-signal technology, these devices deliver increased timekeeping accuracy and system power savings. The ultra-reliable, low-jitter SiT1576 and […]
Angle sensor chip accurate to ±0.2°
TDK Corporation presents the new TMR angle sensor TAD2141 with digital output. The new sensor offers a guaranteed accuracy of ±0.2° and at room temperature achieves the industry’s highest accuracy*** for angle error of only ±0.05°. The sensor is capable of contactless sensing 360° within a temperature range of -40 °C to +150 °C. Furthermore, […]
MEMS accelerometer provides non-linearity below 0.05%
TDK Corporation announces the Tronics AXO215 high-performance MEMS accelerometer that sets the benchmark in terms of miniaturization, reliability and inertial sensing performance in harsh environments. Developed by Tronics Microsystems, a TDK Group Company that designs and manufactures innovative nano and microsystems, the new closed-loop accelerometer complements the lineup of TRONICS GYPRO sensors. The new accelerometer […]