MCU PWM DAC OP Voltage Output

how determine the RC time constant in PWM digital to analog low-pass filter? I 'm looking for the best RC time constant and its reason in a PWM to convert digital signal to analog based on duty-cycle and frequency and other parameters. PWM frequency

how to generate an analog output from a in-built pwm of Atmega 32AVR microcontrloller? you need a resistor, a capacitor and an opamp. opamp is not really necessary when you are driving a mosfet, but will make life a bit easier. just be aware, that th

Many embedded-microcontroller applications require generation of analog signals. An integrated or stand-alone DAC fills the role. However, you can often use PWM signals for generating the required analog signals. You can use PWM signals to create bot

The Secret Mixed-Signal Life of PWM Peripherals Pulse-width modulation (PWM) peripherals have enjoyed a long association with microcontrollers and power control, starting with motor control and power conversion. For the most part, these applications

By using an emitter-follower or a Darlington pair, a voltage-follower op amp configuration can source higher currents than the op amp otherwise could. With high-voltage regulators, powering the IC through the drive resistor for the pass transistors c

http://e2e.ti.com/blogs_/b/analogwire/archive/tags/DAC%2bEssentials DAC Essentials: A new blog series A digital-to-analog converter, or DAC, performs the opposite function of an analog-to-digital converter, or ADC. Duh, right? But, have you ever wond

Holtek推出e-Banking智能卡读卡器MCU——HT56RU25,继HT56RB27.HT56RB688 USB接口单片机之后,推出全新UART接口单片机.HT56RU25内建ISO7816-3接口,并整合DC/DC与LDO至单片机内,同时支持1.8V/ 3V/ 5V三种卡片电压规格,ISO7816-3可符合国际EMV 4.3与中国PBOC 3.0 Contact Level 1规范认证,可应用于各种智能卡读卡器产品.其内建的高精准度32.768kHz LXT振荡器,LXT工作时MCU低

How do you generate complementary PWM Outputs? I would like to generate complementary PWM Outputs with adjustable dead time. According to the STM32F401RE Microcontroller datasheet http://www.st.com/web/catalog/mmc/FM141/SC1169/SS1577/LN1810/PF258797,

80MHz 12 bit ADC processor LPC4370.LPCxpresso do a LPC LINK2 and LABTOOLS open source oscilloscope demo set. (£84 from Mouser, seems quite well liked.) The LPC LINK2 is £14 + VAT from Mouser, it has the ADC on board. The Lab tools board has signal co