The AD8146/AD8147/AD8148 are high speed triple, differential or single-ended input to differential output drivers. The AD8146 and AD8147 have a fixed gain of 2, and the AD8148 has a fixed gain of 4. They are all specifically designed for the highest resolution component video signals but can be used for any type of analog signals or high speed data transmission over either Category 5 UTP cable or differential printed circuit board (PCB) transmission lines.These drivers can be used with the AD8145 triple differential-to-singled-ended receiver, and the AD8117 crosspoint switch to produce a video distribution system capable of supporting UXGA or 1080p signals.Manufactured on the Analog Devices, Inc. second generation XFCB bipolar process, the drivers have large signal bandwidths of 700 MHz and fast slew rates. They have an internal common-mode feedback feature that provides output amplitude and phase matching that is balanced to ?60 dB at 50 MHz, suppressing even-order harmonics and minimizing radiated electromagnetic interference (EMI).The common-mode voltage of each AD8146 output can be set to any level, allowing transmission of signals over the common-mode voltages. The AD8147 and AD8148 encode the vertical and horizontal sync signals on the common-mode voltages of the outputs. All outputs can be independently set to low voltage states to be used with series diodes for line isolation, allowing easy differential multiplexing over the same twisted pair cable.The AD8146/AD8147/AD8148 are available in a 24-lead LFCSP and operate over a temperature range of ?40?C to +85?C.ApplicationsQXGA or 1080p video transmission KVM networking Video over unshielded twisted pair (UTP) Differential signal multiplexing

Demonstration Circuit 2048A is a nanopower buckboost DC/DC with energy harvesting battery life extender featuring the LTC3330. The LTC3330 integrates a high voltage energy harvesting power supply plus a DC/DC converter powered by a primary cell battery to create a single output supply for alternative energy applications. The energy harvesting power supply, consisting of an integrated low-loss full-wave bridge with a high voltage buck converter, harvests energy from piezoelectric, solar or magnetic sources. The primary cell input powers a buck-boost converter capable of operating down to 1.8V at its input. Either DC/DC converter can deliver energy to a single output.

The ADRF5043 is a nonreflective, SP4T switch manufactured in the silicon on insulator (SOI) process.The ADRF5043 operates from 9 kHz to 44 GHz with an insertion loss of lower than 2.5 dB and an isolation of higher than 36 dB. The device has a RF input power handling capability of 24 dBm for both through and terminated paths.The ADRF5043 requires a dual-supply voltage of +3.3 V and ?3.3 V. The device employs CMOS- and low voltage transistor to transistor logic (LVTTL)-compatible controls.The ADRF5043 has enable and logic select controls to feature all off state and port mirroring, respectively. The ADRF5043 is pin compatible with the ADRF5042 fast switching version, which operates from 100 MHz to 44 GHz.The ADRF5043 comes in a 24-terminal, 3 mm ? 3 mm, RoHS compliant, land grid array (LGA) package and can operate from ?40?C to +105?C.Applications Industrial Scanners Test instrumentation Cellular infrastructure?millimeterwave (mmWave) 5G Military radios, radars, electronic counter measures (ECMs) Microwave radios and very small aperture terminals (VSATs)

DC285A: Demo Board for the LTC1695 SMBus/I2C Fan Speed Controller in SOT-23.

The AD8319 is a demodulating logarithmic amplifier, capable of accurately converting an RF input signal to a corresponding decibel-scaled output. It employs the progressive compression technique over a cascaded amplifier chain, each stage of which is equipped with a detector cell. The device can be used in either measurement or controller modes. The AD8319 maintains accurate log conformance for signals of 1 MHz to 8 GHz and provides useful operation to 10 GHz. The input dynamic range is typically 40 dB (re: 50 ?) with error less than ?1 dB. The AD8319 has 8 ns/10 ns response time (fall time/rise time) that enables RF burst detection to a pulse rate of beyond 50 MHz. The device provides unprecedented logarithmic intercept stability vs. ambient temperature conditions. A supply of 3.0 V to 5.5 V is required to power the device. Current consumption is typically 22 mA, and it decreases to 200 ?A when the device is disabled.?The AD8319 can be configured to provide a control voltage to a power amplifier or a measurement output from the VOUT pin. Because the output can be used for controller applications, special attention was paid to minimize wideband noise. In this mode, the setpoint control voltage is applied to the VSET pin.The feedback loop through an RF amplifier is closed via VOUT, the output of which regulates the amplifier?s output to a magnitude corresponding to VSET. The AD8319 provides 0 V to (VPOS ? 0.1 V) output capability at the VOUT pin, suitable for controller applications. As a measurement device, VOUT is externally connected to VSET to produce an output voltage, VOUT, that is a decreasing linear-in-dB function of the RF input signal amplitude.The logarithmic slope is ?22 mV/dB, determined by the VSET interface. The intercept is 15 dBm (re: 50 ?, CW input) using the INHI input. These parameters are very stable against supply and temperature variations.The AD8319 is fabricated on a SiGe bipolar IC process and is available in a 2 mm ? 3 mm, 8-lead LFCSP_VD for an operating temperature range of ?40?C to +85?C.ApplicationsRF transmitter PA setpoint controls and level monitoring Power monitoring in radiolink transmitters RSSI measurement in base stations, WLANs, WiMAX, and radars

The ADuM4138 is a single-channel gate driver optimized for driving insulated gate bipolar transistors (IGBTs). Analog Devices, Inc., iCoupler? technology provides isolation between the input signal and the output gate drive.The Analog Devices chip scale transformers also provide isolated communication of control information between the high voltage?and low voltage domains of the chip. Information on the status of the chip can be read back from the dedicated outputs. The ADuM4138 includes an isolated flyback controller, allowing simple secondary voltage generation.Overcurrent detection is integrated in the ADuM4138 to protect the IGBT in case of desaturation and/or overcurrent events. The overcurrent detection is coupled with a high speed, two-level turn off function in case of faults.The ADuM4138 provides a Miller clamp control signal for a metal-oxide semiconductor field effect transistor (MOSFET) to provide IGBT turn off, with a single rail supply when the Miller clamp voltage threshold drops below 2 V (typical) above GND2. Operation with unipolar secondary supplies is possible with or without the Miller clamp operation.A low gate voltage detection circuit can trigger a fault if the gate voltage does not rise above the internal threshold within the time allowed after turn on (12.8 ?s typical). The low voltage detection circuit detects IGBT device failures that exhibit gate shorts or other causes of weak drive.Two temperature sensor pins, TS1 and TS2, allow isolated monitoring of system temperatures at the IGBTs. The secondary undervoltage lockout (UVLO) is set to 11.2 V (typical) in accordance with common IGBT threshold levels.A serial peripheral interface (SPI) bus on the primary side of the device provides in field programming of temperature sensing diode gains and offsets to the ADuM4138. Values are stored on an electrically erasable programmable read-only memory (EEPROM) located on the secondary side of the device. In addition, programming is available for specific VDD2 voltages, temperature sensing reporting frequencies, and overcurrent blanking times.The ADuM4138 provides isolated fault reporting for overcurrent events, remote temperature overheating events, UVLO, thermal shutdown (TSD), and desaturation detection.Applications MOSFET and IGBT gate drivers Photovoltaic (PV) inverters Motor drives Power supplies

The AD7732 is a high precision, high throughput analog front end. True 16-bit peak-to-peak resolution is achievable with total conversion times of 500 ?s (2 kHz channel switching) making it ideally suitable for high resolution multiplexing applications.The part can be configured via a simple digital interface, which allows users to balance the noise performance against data throughput up to a 15.4 kHz.The analog front end features two fully differential input channels with unipolar or true bipolar input ranges to ?10 V while operating from a single +5 V analog supply. The part has an overrange and underrange detection capability and accepts an analog input overvoltage to ?16.5 V without degrading the performance of the adjacent channels.The differential reference input features ?No-Reference? detect capability. The ADC also supports per channel system calibration options. The digital serial interface can be configured for 3-wire operation and is compatible with microcontrollers and digital signal processors. All interface inputs are Schmitt triggered. The part is specified for operation over the extended industrial temperature range of ?40?C to +105?C and is available in 28-lead TSSOP package.Other parts in the AD7732 family are the AD7734?and the AD7738.The AD7734 is similar to AD7732, but its analog front end features four single-ended input channels.The AD7738 analog front end is configurable for four fully differential or eight single-ended input channels, features 0.625 V to 2.5 V bipolar/unipolar input ranges, and accepts a common-mode input voltage from 200 mV to AVDD ? 300 mV. The AD7738 multiplexer output is pinned out externally, allowing the user to implement programmable gain or signal conditioning before being applied to the ADC.APPLICATIONS PLCs/DCS Multiplexing applications Process control Industrial instrumentation

The LTC3766 is a PolyPhase-capable secondary-side controller for synchronous forward converters. When used in conjunction with the LTC3765 active-clamp forward controller and gate driver, the part creates a complete isolated power supply that combines the power of multiphase operation with the speed of secondary-side control.The LTC3766 has been designed to simplify the design of active clamp forward converters. Working in concert with the LTC3765, the LTC3766 forms a robust, self-starting converter that eliminates the need for the separate bias regulator that is commonly used in secondary-side control applications. A precision current-limit coupled with clean start-up into a pre-biased load make the LTC3766 an excellent choice for high-power battery charger applications.The LTC3766 provides extensive remote sensing and output protection features, while Direct Flux Limit guarantees no transformer saturation without compromising transient response. A linear regulator controller and internal bypass LDO are also provided to simplify the generation of the secondary-side bias voltage.Applications Isolated 48V Telecommunication Systems Isolated Battery Chargers Automotive and Military Systems Industrial, Avionics and Heavy Equipment

The ADXL312 is a small, thin, low power, 3-axis accelerometer with high resolution (13-bit) measurement up to ?12 g. Digital output data is formatted as 16-bit twos complement and is accessible through either a serial port interface (SPI) (3- or 4-wire) or I2C digital interface.The ADXL312 is well suited for car alarm or black box applications. It measures the static acceleration of gravity in tilt-sensing applications, as well as dynamic acceleration resulting from motion or shock. Its high resolution (2.9 mg/LSB) enables resolution of inclination changes of as little as 0.25?. A built-in FIFO facilitates using oversampling techniques to improve resolution to as little as 0.05? of inclination.Several special sensing functions are provided. Activity and inactivity sensing detects the presence or absence of motion and whether the acceleration on any axis exceeds a user-set level. These functions can be mapped to interrupt output pins. An integrated 32 level FIFO can be used to store data to minimize host processor intervention.Low power modes enable intelligent motion-based power management with threshold sensing and active acceleration measurement at extremely low power dissipation.The ADXL312 is supplied in a small, thin 5 mm ? 5 mm ? 1.45 mm, 32-lead, LFCSP package.Applications Car alarm Hill start aid (HSA) Electronic parking brake Data recorder (black box)

The LTC2325-14 is a low noise, high speed quad 14-bit + sign successive approximation register (SAR) ADC with differential inputs and wide input common mode range. Operating from a single 3.3V or 5V supply, the LTC2325-14 has an 8VP-P differential input range, making it ideal for applications which require a wide dynamic range with high common mode rejection. The LTC2325-14 achieves ?1LSB INL typical, no missing codes at 14 bits and 81dB SNR.The LTC2325-14 has an onboard low drift (20ppm/?C max) 2.048V or 4.096V temperature-compensated reference. The LTC2325-14 also has a high speed SPI-compatible serial interface that supports CMOS or LVDS. The fast 5Msps per channel throughput with one cycle latency makes the LTC2325-14 ideally suited for a wide variety of high speed applications. The LTC2325-14 dissipates only 45mW per channel and offers nap and sleep modes to reduce the power consumption to 26?W for further power savings during inactive periods.Applications High Speed Data Acquisition Systems Communications Optical Networking Multiphase Motor Control