STMicroelectronics has revealed new class-D automotive audio amplifiers for smart-cockpit applications, engineered for tiny overall dimensions and with a digital input that simplifies circuit design. The new HFDA80D and HFDA90D extend ST’s family of high-frequency automotive amplifiers, complementing the HFA80A analog-input IC. All the devices operate at a switching frequency of 2MHz to save PCB […]
STMicroelectronics
Amplifier delivers 0.15% gain accuracy with 2.1 MHz bandwidth
STMicroelectronics’ TSC1801 low-side current-measurement amplifier integrates matched resistors to set the gain, which simplifies the circuit design, saves bill-of-materials costs, and ensures gain accuracy within 0.15% over the entire temperature range. The fixed gain also eliminates production trimming of external resistors. Combining very high accuracy and wide bandwidth, the TSC1801 is used for motor control, […]
Dual op-amp boosts sensor signals
STMicroelectronics’ TSB182 dual operational amplifier is featured for high-accuracy signal conditioning with sensors, including maximum 20µV input offset voltage, 100nV/°C drift over temperature, and 4V-36V operating range for medium-voltage applications. In addition to its high accuracy, stability, and wide supply-voltage range, the TSB182 is specified from -40°C to 125°C. With a maximum offset voltage of 30µV over […]
Automotive, industrial op-amps operate to 175C
STMicroelectronics’ TSZ181H1 and dual TSZ182H1 automotive-qualified operational amplifiers (op amps) deliver high accuracy and stability over a wide (-40°C to 175°C) temperature range. The high maximum operating temperature encourages use in harsh environments and in applications with long mission profiles. The op amps have very low input offset voltage, typically 3.5µV at 25°Cm, and input bias current, typically 30pA […]
6MHz rail-to-rail op amps boost performance in industrial and automotive apps
STMicroelectronics is simplifying designers’ search for high-performing operational amplifiers (op amps) by introducing three new 6MHz rail-to-rail devices with strong all-around parameters including a wide operating voltage range and low noise. The TSB511, TSB512, and TSB514 are single, dual, and quad op amps, respectively. They can operate from a single supply in the range from 2.7V to […]
High-res audio amp designed for automotive apps
The HFDA801A from STMicroelectronics is a high-resolution audio amplifier that is specifically designed for compact, cost-effective automotive applications. The HFDA801A is a 2MHz switching pulse-width modulation (PWM) Class-D amplifier with a quad-bridge configuration. An integrated high-performance digital-to-analog converter (DAC) ensures hi-fi quality sound under any load condition, with noiseless turn-on/turn-off and without creating any output artifacts. With a signal-to-noise […]
Dual 5-V op amp sports 50-MHz gain-bandwidth, low input offset voltage, 6.5 nV/√Hz input voltage noise
STMicroelectronics’ TSV792 dual 5V operational amplifier (op-amp) combines 50MHz gain-bandwidth with precision attributes including low input offset voltage and extremely low input voltage noise of just 6.5nV/√Hz. The typical 50MHz gain-bandwidth product enables accurate amplification of high-frequency signals. Adding a fast slew rate of 30V/µs, the TSV792 is suited to photodiode-signal conditioning in battery-powered smoke detectors. […]
Single-chip drivers for low- to mid-power motor control designs
Simplifying the design of low-to-mid-power motor controls in the 7V-45V range, the STSPIN830 and STSPIN840 single-chip drivers from STMicroelectronics contain flexible control logic and low-RDS(ON) power switches for industrial applications, medical technology, and home appliances. The STSPIN830 for driving 3-phase brushless DC motors has a mode-setting pin that lets users control the three half bridges […]
Miniature water-resistant pressure sensors target wearable apps
As smart watches and wearable fitness trackers permeate the fabric of everyday life, owners want to go further with their devices and track performance across extra activities like swimming. Samsung’s Gear Fit 2 Pro, the next generation of sports band, supports these trends with features like built-in GPS, continuous heart rate monitoring,and larger on-board memory to do more even […]
Top analog threads on EDAboard.com – April
(editor’s note: Intrigued by the problem? Have a question or another solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the analog forum threads.) Long distance cell phone detector – I found these schematics on a circuit diagram website. After building it many […]
