The ADCMP600, ADCMP601, and ADCMP602 are very fast comparators fabricated on Analog Devices? proprietary XFCB2 process. These comparators are exceptionally versatile and easy to use. Features include an input range from ? 0.5 V to VCC + 0.2 V, low noise TTL-/CMOS-compatible output drivers, and latch inputs with adjustable hysteresis and/or shutdown inputs.The devices offer 5 ns propagation delay with 10 mV overdrive on 3 mA typical supply current.A flexible power supply scheme allows the devices to operate with a single +2.5 V positive supply and a ?0.5 V to +2.8 V input signal range up to a +5.5 V positive supply with a ?0.5 V to +5.8 V input signal range. Split input/output supplies with no sequencing restrictions on the ADCMP602 support a wide input signal range while still allowing independent output swing control and power savings.The TTL-/CMOS-compatible output stage is designed to drive up to 5 pF with full timing specs and to degrade in a graceful and linear fashion as additional capacitance is added. The comparator input stage offers robust protection against large input overdrive, and the outputs do not phase reverse when the valid input signal range is exceeded. High speed latch and programmable hysteresis features are also provided with a unique single-pin control option.The ADCMP600 is available in both 5-lead SC70 and SOT-23 packages, the ADCMP601 is available in a 6-lead SC70 package, and the ADCMP602 is available in 8-lead MSOP and LSCFP packages.Applications High Speed Instrumentation Clock and Data Signal Restoration Logic Level Shifting or Translation Pulse Spectroscopy High Speed Line Receivers Threshold Detection Peak and Zero-crossing Detectors High Speed Trigger Circuitry Pulse-width Modulators Current-/voltage-controlled Oscillators Automatic Test Equipment (ATE)

The ADE7753 features proprietary ADCs and DSP for highaccuracy over large variations in environmental conditions andtime. The ADE7753 incorporates two second-order 16-bit ?-?ADCs, a digital integrator (on CH1), reference circuitry,temperature sensor, and all the signal processing required toperform active, reactive, and apparent energy measurements,line-voltage period measurement, and rms calculation on thevoltage and current. The selectable on-chip digital integratorprovides direct interface to di/dt current sensors such asRogowski coils, eliminating the need for an external analogintegrator and resulting in excellent long-term stability and precisephase matching between the current and voltage channels.The ADE7753 provides a serial interface to read data, and apulse output frequency (CF), which is proportional to the activepower. Various system calibration features, i.e., channel offsetcorrection, phase calibration, and power calibration, ensurehigh accuracy. The part also detects short duration low or highvoltage variations.The positive-only accumulation mode gives the option toaccumulate energy only when positive power is detected. Aninternal no-load threshold ensures that the part does not exhibitany creep when there is no load. The zero-crossing output (ZX)produces a pulse that is synchronized to the zero-crossing pointof the line voltage. This signal is used internally in the line cycleactive and apparent energy accumulation modes, which enables faster calibration.The interrupt status register indicates the nature of the interrupt,and the interrupt enable register controls which event producesan output on the IRQ pin, an open-drain, active low logic output.The ADE7753 is available in a 20-lead SSOP package.NOTE: For polyphase system designs, the ADE7758 is recommended.

The ADE7854A?/?ADE7858A?/?ADE7868A?/?ADE7878A are high accuracy, 3-phase electrical energy measurement ICs with serial interfaces and three flexible pulse outputs. The devices incorporate second-order ?-? analog-to-digital converters (ADCs), a digital integrator, reference circuitry, and all signal processing required to perform total (fundamental and harmonic) active, reactive (ADE7858A, ADE7868A, and ADE7878A), and apparent energy measurement and rms calculations.The ADE7878A can also perform fundamental-only active and reactive energy measurement and rms calculations. A fixed function digital signal processor (DSP) executes the signal processing. The DSP program is stored in the internal ROM memory.The ADE7854A / ADE7858A / ADE7868A / ADE7878A can measure active, reactive, and apparent energy in various 3-phase configurations, such as wye or delta services, with both three and four wires. Aside from regular rms measurements, which are updated every 8 kHz, these devices measure low ripple rms values, which are averaged internally and updated every 1.024 sec. The devices provide system calibration features for each phase, that is, rms offset correction, phase calibration, and gain calibration.The CF1, CF2, and CF3 logic outputs provide a wide selection of power information. All four devices provide total active and apparent powers, as well as the sum of the current rms values; the ADE7858A, ADE7868A, and ADE7878A also provide total reactive powers; the ADE7878A also provides fundamental active and reactive powers.The ADE7854A / ADE7858A / ADE7868A / ADE7878A contain waveform sampling registers that allow access to all ADC outputs. The devices also incorporate power quality measurements, such as short duration low or high voltage detection, short duration high current variation, line voltage period measurement, and angles between phase voltages and currents.Two serial interfaces, serial peripheral interface (SPI) and I2C, can communicate with the devices. A dedicated high speed interface, the high speed data capture (HSDC) port, can be used in conjunction with I2C to provide access to the ADC outputs and real-time power information.The devices have two interrupt request pins, IRQ0 and IRQ1, to indicate that an enabled interrupt event has occurred. For the ADE7868A / ADE7878A, three specially designed low power modes ensure the continuity of energy accumulation when the ADE7868A / ADE7878A are in a tampering situation.

The ADE7880 is high accuracy, 3-phase electrical energy measurement IC with serial interfaces and three flexible pulse outputs. The ADE7880 device incorporates second-order sigma-delta (?-?) analog-to-digital converters (ADCs), a digital integrator, reference circuitry, and all of the signal processing required to perform the total (fundamental and harmonic) active, and apparent energy measurements, rms calculations, as well as fundamental-only active and reactive energy measurements. In addition, the ADE7880 computes the rms of harmonics on the phase and neutral currents and on the phase voltages, together with the active, reactive, and apparent power, and the power factor and harmonic distortion on each harmonic for all phases. Total harmonic distortion plus noise (THD + N) is computed for all currents and voltages. A fixed function digital signal processor (DSP) executes this signal processing. The DSP program is stored in the internal ROM memory.The ADE7880 is suitable for measuring active, reactive, and apparent energy in various 3-phase configurations, such as wye or delta services with both three and four wires. The ADE7880 provides system calibration features for each phase, that is, rms offset correction, phase calibration, and gain calibration. The CF1, CF2, and CF3 logic outputs provide a wide choice of power information: total active powers, apparent powers, or the sum of the current rms values, and fundamental active and reactive powers.The ADE7880 contains waveform sample registers that allow access to all ADC outputs. The devices also incorporate power quality measurements, such as short duration low or high voltage detections, short duration high current variations, line voltage period measurement, and angles between phase voltages and currents. Two serial interfaces, SPI and I2C, can be used to communicate with the ADE7880. A dedicated high speed interface, the high speed data capture (HSDC) port, can be used in conjunction with I2C to provide access to the ADC outputs and real-time power information. The ADE7880 also has two interrupt request pins, IRQ0 and IRQ1, to indicate that an enabled interrupt event has occurred. Three specially designed low power modes ensure the continuity of energy accumulation when the ADE7880 is in a tampering situation. The ADE7880 is available in the 40-lead LFCSP, Pb-free package, pin-for-pin compatible with ADE7854, ADE7858, ADE7868, and ADE7878?devices.APPLICATIONS Energy metering systems Power quality monitoring Solar inverters Process monitoring Protective devices

The ADE7903 is a nonisolated, 3-channel, ?-? analog-to-digital converter (ADC) for the neutral line of polyphase energymetering applications using shunt current sensors. The ADE7903 can also be used for single-phase energy meteringand other standalone ADC applications. The ADE7903 features three 24-bit ADCs. The current ADC provides a 67 dBFSsignal-to-noise ratio (SNR) over a 3.3 kHz signal bandwidth, whereas the voltage ADCs provide an SNR of 72 dBFS over thesame bandwidth. One channel is dedicated to measuring the voltage across a shunt when the shunt is used for current sensing.Up to two additional channels are dedicated to measuring voltages, which are usually sensed using resistor dividers.One voltage channel can be used to measure the temperature of the die via an internal sensor. The ADE7903 includes threechannels: one current channel and two voltage channels.Together with the ADE7912?/ ADE7913, the ADE7903 providesa small form factor, 3-phase isolated solution with a neutralmeasurement. The three phases are isolated with ADE7912 /ADE7913 devices, while the neutral line is not isolated with theADE7903. The ADE7903 configuration and status registers are accessedvia a bidirectional SPI serial port for easy interfacing withmicrocontrollers.The ADE7903 can be clocked from a crystal or an externalclock signal. To minimize the system bill of materials, themaster ADE7912 / ADE7913 can drive the clocks of up to threeadditional ADE7912 / ADE7913 or ADE7903 devices.Multiple ADE7912 / ADE7913 and ADE7903 devices can besynchronized to sample at the same moment and providecoherent outputs. The ADE7903 can also be used individuallyas a standalone ADC. The ADE7903 is available in a 20-lead, Pb-free, wide body SOICpackage.APPLICATIONS 3-phase shunt-based polyphase meters with neutral channel measurement Single-phase meters Power quality monitoring Solar inverters Process monitoring Standalone ADCs Protective devices Isolated sensor interfaces Industrial programmable logic controllers (PLCs)

The ADE7953 is a high accuracy electrical energy measurementIC intended for single phase applications. It measures line voltageand current and calculates active, reactive, and apparent energy,as well as instantaneous rms voltage and current.The device incorporates three ?-? ADCs with a high accuracyenergy measurement core. The second input channel simultaneouslymeasures neutral current and enables tamper detectionand neutral current billing. The additional channel incorporatesa complete signal path that allows a full range of measurements.Each input channel supports independent and flexible gain stages,making the device suitable for use with a variety of current sensorssuch as current transformers (CTs) and low value shunt resistors.Two on-chip integrators facilitate the use of Rogowski coil sensors.The ADE7953 provides access to on-chip meter registers via avariety of communication interfaces including SPI, I2C, and UART.Two configurable low jitter pulse output pins provide outputs thatare proportional to active, reactive, or apparent energy, as well ascurrent and voltage rms. A full range of power quality informationsuch as overcurrent, overvoltage, peak, and sag detection areaccessible via the external IRQ pin. Independent active, reactive,and apparent no-load detections are included to prevent ?metercreep.? Dedicated reverse power (REVP), zero-crossing voltage(ZX), and zero-crossing current (ZX_I) pins are also provided. TheADE7953 energy metering IC operates from a 3.3 V supply voltageand is available in a 28-lead LFCSP package.

The ADF4150 allows implementation of fractional-N or integer-N phase-locked loop (PLL) frequency synthesizers if used with an external voltage-controlled oscillator (VCO), loop filter, and external reference frequency.The ADF4150 is for use with external VCO parts and is software compatible with the ADF4350. The VCO frequency can be divided by 1/2/4/8/16 to allow the user to generate RF output frequencies as low as 31.25 MHz. For applications that require isolation the RF output stage can be muted. The mute function is both pin and software controllable.Control of all the on-chip registers is through a simple 3-wire interface. The device operates with a power supply ranging from 3.0 V to 3.6 V and can be powered down when not in use.The ADF4150 is available in a 4 mm ? 4 mm package.Applications Wireless infrastructure (W-CDMA, TD-SCDMA, WiMax, GSM, PCS, DCS, DECT) Test equipment Wireless LANs, CATV equipment Clock generation

The ADF4150HV is a 3.0 GHz, fractional-N or integer-N frequency synthesizer with an integrated high voltage charge pump. The synthesizer can be used to drive external wideband VCOs directly, eliminating the need for operational amplifiers to achieve higher tuning voltages. This simplifies design and reduces cost while improving phase noise, in contrast to active filter topologies, which tend to degrade phase noise compared to passive filter topologies.The VCO frequency can be divided by 1, 2, 4, 8, or 16 to allow the user to generate RF output frequencies as low as 31.25 MHz. For applications that require isolation, the RF output stage can be muted. The mute function is both pin- and software-controllable.A simple 3-wire interface controls all on-chip registers. The charge pump operates from a power supply ranging from 6 V to 30 V, whereas the rest of the device operates from 3.0 V to 3.6 V. The ADF4150HV can be powered down when not in use.Applications Wireless infrastructure Microwave point-to-point/point-to-multipoint radios VSAT radios Test equipment Private/land mobile radio

The ADF4151 allows implementation of fractional-N or integer-N phase-locked loop (PLL) frequency synthesizers if used with an external voltage controlled oscillator (VCO), loop filter, and external reference frequency.The ADF4151 is used with external VCO parts and is footprint and software compatible with the ADF4350. The part consists of a low noise digital phase frequency detector (PFD), a precision charge pump, and a programmable reference divider. There is a ?-? based fractional interpolator to allow programmable fractional-N division. The INT, FRAC, and MOD registers define an overall N divider [N = (INT + (FRAC/MOD))]. The RF output phase is programmable for applications that require a particular phase relationship between the output and the reference. The ADF4151 also features cycle slip reduction circuitry, leading to faster lock times without the need for modifications to the loop filter.Control of all the on-chip registers is through a simple 3-wire interface. The device operates with a power supply ranging from 3.0 V to 3.6 V that can be powered down when not in use.The ADF4151 is available in a 5 mm ? 5 mm package.Applications Wireless infrastructure (W-CDMA, TD-SCDMA, WiMax, GSM, PCS, DCS, DECT) Test equipment Wireless LANs, CATV equipment Clock generation

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