The LTC5507 is an RF power detector for applications operating from 100kHz to 1000MHz. The input frequency range is determined by an external capacitor. A temperature-compensated Schottky diode peak detector and buffer amplifier are combined in a small 6-pin ThinSOT package.The RF input voltage is peak detected using an on-chip Schottky diode and external capacitor. The detected voltage is buffered and supplied to the VOUT pin. A power saving shutdown mode reduces supply current to less than 2?A.Applications Wireless Transceivers Wireless and Cable Infrastructure RF Power Alarm Envelope Detector

Demonstration circuits 1053A-E through 1053A-H exercise the LTC3526L family of high efficiency synchronous boost converters, and are capable of operating with an input voltage range from 0.8V to 5.5V. The 2 × 2 mm DFN thermally enhanced package, high switching frequency (1MHz or 2MHz) and 550mA internal power switches provide a very tiny solution. The LTC3526L family also features output disconnect, and the input voltage can be greater or less than the output voltage. DC1053A-E features the LTC3526L (Burst mode operation) and the DC1053A-F features the LTC3526LB (Burst mode defeated). Both have a 1MHz switching frequency and use a 4.7µH inductor.

Demonstration circuit 760 is a dual, output, 1.1MHz Boost/Inverter in a 3mm x 3mm DFN featuring the LT3472EDD. The demo circuit demonstrates small size and low component count in a Boost Circuit and an Inverting Circuit. The Boost Converter is designed to convert a 2.7V–4.2V input to 15V output at 25mA– 45mA load. The Inverting Circuit generates a –8V output at 35mA–65mA from the same input. Since the maximum VIN of the LT3472EDD is 16V, this demo circuit will work well at higher inputs. The only limitation is the 10V rating of the input capacitor.

The HMC835LP6GE is a low noise, wide band, Fractional-N PLL that features an integrated VCO with a fundamental frequency of 2020 to 4100 MHz, and an integrated VCO Output Divider (divide by 2/4/6/.../60/62) that together enable the HMC835LP6GE to generate frequencies from 33 MHz to 4100 MHz. Integrated Phase Detector (PD) and a deltasigma modulator capable of operating at up to 100 MHz enable wider loop-bandwidths, faster frequency changes along with excellent spectral performance.Two independent RF outputs, with independent gain control, enable the HMC835LP6GE to distribute identical frequency and phase signals to multiple destinations, at optimal signal levels tailored to each output.External VCO input, allows the HMC835LP6GE to lock external VCOs, and enables cascaded LO architectures for MIMO radio applications. Two separate Charge Pump (CP) outputs enable separate loop filters optimized for both integrated and external VCOs, and seamless switching between integrated or external VCOs during operation. Programmable RF output phase feature can further phase adjust and synchronize multiple HMC835LP6GEs enabling scalable MIMO and beam-forming radio architectures.Additional features include configurable output mute function that mutes RF outputs during frequency changes, Exact Frequency Mode that enables the HMC835LP6GE to generate fractional frequencies with 0 Hz frequency error, and the ability to synchronously change frequencies without changing the phase of the output signal.Applications MIMO Radio Architectures Cellular Infrastructure Cellular backhaul Communications Test Equipment CATV Equipment Phased Array Applications? DDS Replacement

The AD7765 is a high performance, 24-bit sigma-delta (?-?) analog-to-digital converter (ADC). It combines wide input bandwidth, high speed, and performance of 112 dB dynamic range at a 156 kHz output data rate. With excellent dc specifications, the converter is ideal for high speed data acquisition of ac signals where dc data is also required.Using the AD7765 eases front-end antialias filtering requirements, simplifying the design process significantly. The AD7765 offers pin-selectable decimation rates of 128? and 256?. Other features include an integrated buffer to drive the reference, as well as a fully differential amplifier to buffer and level shift the input to the modulator.An overrange alert pin indicates when an input signal exceeds the acceptable range. The addition of internal gain and internal overrange registers makes the AD7765 a compact, highly integrated data acquisition device requiring minimal peripheral components.The AD7765 also offers a low power mode, significantly reducing power dissipation without reducing the output data rate or available input bandwidth.The differential input is sampled at up to 40 MSPS by an analog modulator. The modulator output is processed by a series of low-pass filters. The external clock frequency applied to the AD7765 determines the sample rate, filter corner frequencies, and output word rate.The AD7765 device boasts a full band on-board FIR filter. The full stop-band attenuation of the filter is achieved at the Nyquist frequency. This feature offers increased protection from signals that lie above the Nyquist frequency being aliased back into the input signal bandwidth.The reference voltage supplied to the AD7765 determines the input range. With a 4 V reference, the analog input range is ?3.2768 V differential, biased around a common mode of 2.048 V. This common-mode biasing is achieved using the on-chip differential amplifier, further reducing the external signal conditioning requirements.The AD7765 is available in a 28-lead TSSOP package and is specified over the industrial temperature range of ?40?C to +85?C.APPLICATIONS Data acquisition systems Vibration analysis Instrumentation

The LTC2952 is a power management device that features three main functions: pushbutton on/off control of system power, ideal diode PowerPath? controllers and system monitoring. The LTC2952?s pushbutton input, which provides on/off control of system power, has independently adjustable ON and OFF debounce times. A simple microprocessor interface involving an interrupt signal allows for proper system housekeeping prior to power-down. The ideal diode PowerPath controllers provide automatic low loss switchover between two DC sources by regulating two external P-channel MOSFETs to have a small 20mV forward drop. High reliability systems may utilize the LTC2952?s monitoring features to ensure system integrity. These features include: power-fail, voltage monitoring and ?P watchdog. The LTC2952 operates over a wide operating voltage range to accommodate a large variety of input power supplies. The part?s combination of low 20mV external MOSFET regulation and very low standby current matches battery powered and power conscious application requirements.Applications Desktop and Notebook Computers Portable Instrumentations Cell Phones, PDA and Handheld Computers Servers and Computer Peripherals Battery Backup Systems

The ADP5091/ADP5092 are intelligent, integrated energy harvesting, ultralow power management unit (PMU) solutions that convert dc power from PV cells or TEGs. These devices charge storage elements such as rechargeable Li-Ion batteries, thin film batteries, super capacitors, or conventional capacitors, and power up small electronic devices and battery free systems.The ADP5091/ADP5092 provide efficient conversion of the harvested limited power from a 6 ?W to 600 mW range with submicrowatt operation losses. With the internal cold start circuit, the regulator can start operating at an input voltage as low as 380 mV. After cold startup, the regulator is functional at an input voltage range of 0.08 V to 3.3 V. An additional 150 mA regulated output can be programmed by an external resistor divider or the VID pin.The MPPT control keeps the input voltage ripple in a fixed range to maintain stable dc-to-dc boost conversion. The dynamic sensing mode and no sensing mode, both programming regulation points of the input voltage, allow extraction of the highest possible energy from the harvester. A programmable minimum operation threshold enables boost shutdown during a low input condition.As a low light indicator for a microprocessor, the LLD pin of the ADP5091 is the MINOP comparator output. However, the REG_GOOD flag of the ADP5092 monitors the REG_OUT voltage. In addition, the DIS_SW pin can temporarily shut down the boost regulator and is RF transmission friendly.The charging control function of the ADP5091/ADP5092 protects the rechargeable energy storage, which is achieved by monitoring the battery voltage with the programmable charging termination voltage and the shutdown discharging voltage. In addition, a programmable PGOOD flag monitors the SYS voltage.An optional primary cell battery can be connected and managed by an integrated power path management control block that is programmable to switch the power source from the energy harvester, rechargeable battery, and primary cell battery.The ADP5091/ADP5092 are available in a 24-lead LFCSP and are rated for a ?40?C to +125?C temperature range.Applications Photovoltaic (PV) cell energy harvesting Thermoelectric generators (TEGs) energy harvesting Industrial monitoring Self powered wireless sensor devices Portable and wearable devices with energy harvesting

The LTM8005 is a 38VIN, 38VOUT boost ?Module (powermicromodule) LED driver designed to regulate current orvoltage and is ideal for driving LEDs. The fixed frequencyand current mode architecture result in stable operationover a wide range of supply and output voltages. Spreadspectrum frequency modulation (SSFM) can be activatedfor improved electromagnetic compatibility (EMC) performance.The ground-referred voltage FB pin serves as theinput for several LED protection features, and also allows theconverter to operate as a constant voltage source. The PWMinput provides LED dimming ratios of up to 3000:1, and theCTRL inputs provide additional analog dimming capability.The low profile package enables utilization of unusedspace on the bottom of PC boards. The LTM8005 is packagedin thermally enhanced, compact over-molded BallGrid Array (BGA) package suitable for automated assemblyby standard surface mount equipment. The LTM8005is RoHS compliant.APPLICATIONS High Power LED, High Voltage LED Accurate Current-Limited Voltage Regulators

The ADPD4200 operates as a complete multimodal sensor front end, stimulating up to four light emitting diodes (LEDs) and measuring the return signal on up to four separate current inputs. Twelve time slots are available, enabling 12 separate measurements per sampling period.The data output and functional configuration utilize a serial port interface (SPI) on the ADPD4200. The control circuitry includes flexible LED signaling and synchronous detection. The device uses a 1.8 V analog core and 1.8 V or 3.3 V compatible digital input/output (I/O).The analog front end (AFE) rejects signal offsets and corruption from asynchronous modulated interference, typically from ambient light, eliminating the need for optical filters or externally controlled dc cancellation circuitry. Multiple operating modes are provided, enabling the ADPD4200 to be a sensor hub for synchronous measurements of photodiodes, biopotential electrodes, resistance, capacitance, and temperature sensors.The ADPD4200 is available in a 2.619 mm ? 1.804 mm, 0.40 mm pitch, 24-ball WLCSP.Analog Devices is in the process of updating documentation to provide terminology and language that is culturally appropriate. This is a process with a wide scope and will be phased in as quickly as possible. Thank you for your patience.APPLICATIONS Wearable health and fitness monitors: heart rate monitors (HRMs), heart rate variability (HRV), stress, blood pressure estimation, SpO2, hydration, and body composition Industrial monitoring: CO, CO2, smoke, and aerosol detection Home patient monitoring

The ADuCM4050WL EZ-KIT® and ADuCM4050LF EZ-KIT®, Analog Devices, Inc. are an evaluation system for the ADuCM4050 MCU, for the WLCSP and LFCSP packages respectively. The ADuCM4050 processor is an ultra low-power integrated mixed-signal microcontroller system for processing, control and connectivity. The MCU system is based on the ARM Cortex-M4F processor. The MCU also has a collection of digital peripherals, embedded SRAM and flash memory, and an analog subsystem which provides clocking, reset, and power management capability in addition to an ADC subsystem. The EZ-KIT contains an array of three connectors that support the ADF7xxx Wireless Transceiver series of daughterboard products. Refer to ADF7xxx Wireless Transceiver Daughterboard Interface for more information. The EZ-KIT contains Expansion Interface 3 (EI3) and Arduino interfaces. These interfaces provide connections for daughterboards to expand the functionality of the EZ-KIT. Refer to Expansion Interface 3 and Arduino Interface for more information. The evaluation board is designed to be used with with the IAR, Keil or CrossCore Embedded Studio development environments for advanced application code development and debug, such as: Create, compile, assemble, and link application programs written in C++, C, and assembly Load, run, step, halt, and set breakpoints in application programs Read and write data and program memory Read and write core and peripheral registers