The AD7766/AD7766-1/AD7766-2 are high performance,24-bit, oversampled SAR analog-to-digital converters (ADCs).The AD7766/AD7766-1/AD7766-2 combine the benefits of alarge dynamic range and input bandwidth, consuming 15 mW,10.5 mW, and 8.5 mW power, respectively, and are contained ina 16-lead TSSOP package.Ideal for ultralow power data acquisition (such as PCI- and USBbasedsystems), the AD7766/AD7766-1/AD7766-2 provide 24-bitresolution. The combination of exceptional SNR, wide dynamicrange, and outstanding dc accuracy make the AD7766/AD7766-1/AD7766-2 ideally suited for measuring small signal changes over awide dynamic range. This is particularly suitable for applicationswhere small changes on the input are measured on larger ac ordc signals. In such an application, the AD7766/AD7766-1/AD7766-2 accurately gather both ac and dc information.The AD7766/AD7766-1/AD7766-2 include an on-board digitalfilter (complete with linear phase response) that acts to eliminateout-of-band noise by filtering the oversampled input voltage.The oversampled architecture also reduces front-end antialiasrequirements. Other features of the AD7766/AD7766-1/AD7766-2include a SYNC/PD (synchronization/power-down) pin, allowingthe synchronization of multiple AD7766/AD7766-1/AD7766-2devices. The addition of an SDI pin provides the option of daisychaining multiple AD7766/AD7766-1/AD7766-2 devices.The AD7766/AD7766-1/AD7766-2 operate from a 2.5 V supplyusing a 5 V reference. The devices operate from ?40?C to +105?C. Applications Low power PCI/USB data acquisition systems Low power wireless acquisition systems Vibration analysis Instrumentation High precision medical acquisition

The ADM2491E is an isolated data transceiver with ?8 kV ESD protection and is suitable for high speed, half- or full-duplex communication on multipoint transmission lines. For half-duplex operation, the transmitter outputs and the receiver inputs share the same transmission line. Transmitter output Pin Y is linked externally to receiver input Pin A, and transmitter output Pin Z to receiver input Pin B.The ADM2491E is designed for balanced transmission lines and complies with ANSI TIA/EIA RS-485-A-1998 and ISO 8482: 1987(E). The device employs Analog Devices, Inc., iCoupler? technology to combine a 3-channel isolator, a threestate differential line driver, and a differential input receiver into a single packageThe differential transmitter outputs and receiver inputs feature electrostatic discharge circuitry that provides protection to ?8 kV using the human body model (HBM). The logic side of the device can be powered with either a 5 V or a 3.3 V supply, whereas the bus side requires an isolated 5 V supply.The device has current-limiting and thermal shutdown features to protect against output short circuits and situations where bus contention could cause excessive power dissipation.The ADM2491E is available in a wide body, 16-lead SOIC package and operates over the ?40?C to +85?C temperature range.Applications Isolated RS-485/RS-422 interfaces Industrial field networks INTERBUS Multipoint data transmission systems

The ADM7171 is a CMOS, low dropout linear regulator (LDO) that operates from 2.3 V to 6.5 V and provides up to 1 A of output current. This high output current LDO is ideal for regulation of high performance analog and mixed signal circuits operating from 6 V down to 1.2 V rails. Using an advanced proprietary architecture, the device provides high power supply rejection and low noise, and achieves excellent line and load transient response with just a small 4.7 ?F ceramic output capacitor. Load transient response is typically 1.5 ?s for a 1 mA to 500 mA load step.The ADM7171 is available in 17 fixed output voltage options. The following voltages are available from stock: 1.3 V, 1.8 V, 2.5 V, 3.0 V, 3.3 V, 4.2 V, and 5.0 V. Additional voltages that are available by special order are: 1.5 V, 1.85 V, 2.0 V, 2.2 V, 2.7 V, 2.75 V, 2.8 V, 2.85 V, 3.8 V, and 4.6 V. An adjustable version is also available that allows output voltages that range from 1.2 V to VIN ? VDO with an external feedback divider.Inrush current can be controlled by adjusting the start-up time via the soft start pin. The typical start-up time with a 1 nF soft start capacitor is 1.0 ms.The ADM7171 regulator output noise is 5 ?V rms independent of the output voltage. The ADM7171 is available in an 8-lead, 3 mm ? 3 mm LFCSP, making it not only a very compact solution, but also providing excellent thermal performance for applications requiring up to 1 A of output current in a small, low profile footprint.Applications Regulation to noise sensitive applications: ADC and DAC circuits, precision amplifiers, PLLs/VCOs, and clocking ICs Communications and infrastructure Medical and healthcare Industrial and instrumentation

The ADM8611/ADM8612/ADM8613/ADM8614/ADM8615?are voltage supervisory circuits that monitor power supply voltage levels and code execution integrity in microprocessor-based systems. Apart from providing power-on reset signals, an on-chip watchdog timer can reset the microprocessor if it fails to strobe within a preset timeout period. A reset signal can also be asserted by an external push-button through a manual reset input.The ultralow power consumption of these devices makes them suitable for power efficiency sensitive systems, such as battery-powered portable devices and energy meters.The features of each member of the device family are shown in Table 9 in the data sheet. Each device subdivides into submodels with differences in factory preset voltage monitoring threshold options. In the range of 2 V to 4.63 V, 10 options are available for the ADM8611. In the range of 2.32 V to 4.63 V, five options are available for both the ADM8613 and ADM8614. A separate supply input allows the ADM8612 and ADM8615 to monitor 20 different low voltage levels from 0.5 V to 1.9 V. Not all device options are available as standard models.The ADM8611, ADM8612, ADM8613, and ADM8615 can reset on demand through the manual reset input. The watchdog function on the ADM8613, ADM8614, and ADM8615 monitors the heartbeat of the microprocessor through the WDI pin. The ADM8613 and ADM8614 have a watchdog disable input, which allows the user to disable the watchdog function, if required. The ADM8614 also has a watchdog timeout extension input, allowing the watchdog timeout to be extended from 1.6 sec to 100 sec.The ADM8611/ADM8612/ADM8613/ADM8614/ADM8615 are available in a 6-ball, 1.46 mm ? 0.96 mm WLCSP. These devices are specified over the temperature range of ?40?C to +85?C.??Applications Portable/battery-operated equipment Microprocessor systems Energy metering Energy harvesting

The ADMV1011 is a compact, gallium arsenide (GaAs) design,monolithic microwave integrated circuit (MMIC), doublesideband (DSB) upconverter in a RoHS compliant packageoptimized for point to point microwave radio designs thatoperates in the 17 GHz to 24 GHz frequency range.The ADMV1011 provides 21 dB of conversion gain with 32 dBcof sideband rejection for the lower sideband and 23 dBc ofsideband rejection for the upper sideband. The ADMV1011uses a radio frequency (RF) amplifier preceded by an inphase/quadrature (I/Q) double balanced mixer, where a driveramplifier drives the local oscillator (LO) with a 2? multiplier.IF1 and IF2 mixer inputs are provided and an external 90?hybrid is needed to select the required sideband. The I/Q mixertopology reduces the need for filtering the unwanted sideband.The ADMV1011 is a much smaller alternative to hybrid styleDSB upconverter assemblies and it eliminates the need for wirebonding by allowing the use of surface-mount manufacturingassemblies.The ADMV1011 upconverter comes in a compact, thermallyenhanced, 4.9 mm ? 4.9 mm LCC package. The ADMV1011operates over the ?40?C to +85?C temperature range.Applications Point to point microwave radios Radars and electronic warfare systems Instrumentation, automatic test equipment

The ADMV1013 is a wideband, microwave upconverter optimized for point to point microwave radio designs operating in the 24 GHz to 44 GHz radio frequency (RF) range.The upconverter offers two modes of frequency translation. The device is capable of direct conversion to RF from baseband in-phase quadrature (I/Q) input signals, as well as single-sideband (SSB) upconversion from complex intermediate frequency (IF) inputs. The baseband I/Q input path can be disabled and modulated complex IF signals, anywhere from 0.8 GHz to 6.0 GHz, can be inserted in the IF path and upconverted to 24 GHz to 44 GHz while suppressing the unwanted sideband by typically better than 26 dBc. The serial port interface (SPI) allows adjustment of the quadrature phase and mixer gate voltage to allow optimum sideband suppression and local oscillator (LO) nulling. In addition, the SPI interface allows powering down the output envelope detector to reduce power consumption.The ADMV1013 upconverter comes in a 40-terminal land grid array package (LGA) package. The ADMV1013 operates over the ?40?C to +85?C case temperature range.Applications Point to point microwave radios Radar, electronic warfare systems Instrumentation, automatic test equipment (ATE)

The ADMV1550 is a general-purpose, double balanced mixer in a leadless, RoHS compliant, surface-mount technology (SMT) package that can be used as an upconverter or down-converter between 15 GHz and 67 GHz. The wide bandwidth from 0 GHz to 20 GHz on the intermediate frequency (IF) port allows flexible frequency planning to avoid spurious products. This mixer is fabricated in a gallium arsenide (GaAs), monolithic microwave integrated circuit (MMIC) process and requires no external components or matching circuitry. The ADMV1550 provides excellent local oscillator (LO) to radio frequency (RF) and LO to IF suppression due to optimized balun structures. The mixer operates with an LO amplitude above 15 dBm. The RoHS compliant ADMV1550 eliminates the need for wire bonding, allowing the use of surface-mount manufacturing techniques.APPLICATIONSMicrowave and very small aperture terminal (VSAT) radiosTest equipmentMilitary electronic warfare (EW)Electronic countermeasure (ECM)Command, control, communications, and intelligence (C3I)

The ADMV4420 is a highly integrated, double balanced, active mixer with an integrated fractional-N synthesizer, ideally suited for next generation K band satellite communications.The RF front end consists of an integrated RF balun and low noise amplifier (LNA) for an optimal, 7 dB, single-sideband noise figure while minimizing external components. Additionally, the high dynamic range IF output amplifier provides a nominal conversion gain of 36 dB.An integrated low phase noise, fractional-N, phase-locked loop (PLL) with a multicore voltage controlled oscillator (VCO) and internal 2? multiplier generate the necessary on-chip LO signal for the double balanced mixer, eliminating the need for external frequency synthesis. The multicore VCO uses an internal autocalibration routine that allows the PLL to select the necessary settings and lock in approximately 400 ?s.The reference input to the PLL employs a differentially excited 50 MHz crystal oscillator. Alternatively, the reference input can be driven by an external, singled-ended, 50 MHz source. The phase frequency detector (PFD) comparison frequency of the PLL operates up to 50 MHz.The ADMV4420 is fabricated on a silicon germanium (SiGe), bipolar complementary metal-oxide semiconductor (BiCMOS) process, and is available in a 32-lead, RoHS compliant, 5 mm ? 5 mm LFCSP package with an exposed pad. The device is specified over the ?40?C to +85?C temperature range on a 5 V power supply.Applications Satellite communication Point to point microwave communication

The ADMV7420 is a fully integrated system in package (SiP) inphase/quadrature (I/Q) downconverter that operates betweenan intermediate frequency (IF) output range of dc and 2 GHzand a radio frequency (RF) input range of 81 GHz and 86 GHz.The device provides a small signal conversion gain of 10 dBwith 30 dBc of image rejection. The ADMV7420 uses a lownoise amplifier followed by an image rejection mixer that isdriven by a 6? local oscillator (LO) multiplier. Differential I andQ mixer outputs are provided for direct conversion applications.Alternatively, the outputs can be combined using an external90? hybrid and two external 180? hybrids for single-endedapplications.The ADMV7420 comes in a fully integrated, surface-mount,34-terminal, 11 mm ? 13 mm, chip array small outline no leadcavity (LGA_CAV) package. The ADMV7420 operates over the?40?C to +85?C case temperature range. APPLICATIONS E-band communication systems High capacity wireless backhauls Test and measurement Aerospace and defense

The ADMV8432 is a monolithic microwave integrated circuit (MMIC), tunable band-pass filter that features a user selectable pass-band frequency. The 3 dB filter bandwidth is >17% of the center frequency (fCENTER). Additionally, fCENTER can be varied between 16.6 GHz to 30.1 GHz by applying an analog tuning voltage between 0 V to 15 V. The usable pass band corner frequencies (fCORNER) span from 15.1 GHz to 32 GHz. This tunable filter can be used as a much smaller alternative to physically large switched filter banks and cavity tuned filters. This tunable filter has excellent microphonics due to the monolithic design and provides a dynamically adjustable solution in advanced communications applications.APPLICATIONS Test and measurement equipment Military radar and electronic warfare (EW) systems Video satellite (VSAT) communications?