The ADP2138 and ADP2139 are high efficiency, low quiescent current, synchronous step-down dc-to-dc converters. The ADP2139 has the additional feature of an internal discharge switch. The total solution requires only three tiny external components. When the MODE pin is set high, the buck regulator operates in forced PWM mode, which provides low peak-to-peak ripple for power supply noise sensitive loads at the expense of light load efficiency. When the MODE pin is set low, the buck regulator automatically switches operating modes, depending on the load current level. At higher output loads, the buck regulator operates in PWM mode. When the load current falls below a predefined threshold, the regulator operates in power save mode (PSM), improving light load efficiency.The ADP2138/ADP2139 operate on input voltages of 2.3 V to 5.5 V, which allows for single lithium or lithium polymer cell, multiple alkaline or NiMH cell, PCMCIA, USB, and other standard power sources. The maximum load current of 800 mA is achievable across the input voltage range.The ADP2138/ADP2139 are available in fixed output voltages of 3.3 V, 3.0 V, 2.8 V, 2.5 V, 1.8 V, 1.5 V, 1.2 V, 1.0 V, and 0.8 V. All versions include an internal power switch and synchronous rectifier for minimal external part count and high efficiency. The ADP2138/ADP2139 have internal soft start and they are internally compensated. During logic controlled shutdown, the input is disconnected from the output and the ADP2138/ADP2139 draw 0.2 ?A (typical) from the input source.Other key features include undervoltage lockout to prevent deep battery discharge, and soft start to prevent input current overshoot at startup. The ADP2138/ADP2139 are available in a 6-ball wafer level chip scale package (WLCSP).Applications PDAs and palmtop computers Wireless handsets Digital audio, portable media players Digital cameras, GPS navigation units

The ADP2165/ADP2166 are high efficiency, current modecontrol, step-down dc-to-dc regulators with an integrated 19 m?high-side FET and a 15 m? synchronous rectified FET. TheADP2165/ADP2166 combine a small size, 4 mm ? 4 mm LFCSPpackage with an accurate current limit, resulting in a smallerinductor size and a high power density, point of load solution.Key features include precision enable, power-good monitor,and output voltage tracking to facilitate robust sequencing.The switching frequency can be programmed from 250 kHzto 1.4 MHz, or it can be fixed at 620 kHz or 1.2 MHz. Thesynchronization function allows the switching frequency tosynchronize to an external clock, minimizing theelectromagnetic interference (EMI) of the system.The ADP2165/ADP2166 are designed to be extremely flexiblewith the addition of a minimal amount of external componentsto program soft start and control loop compensation.he ADP2165/ADP2166 are supplied from an input voltage of2.7 V to 5.5 V. Output voltage options include 3.3 V, 2.5 V, 1.8 V,1.5 V, 1.2 V, or 1.0 V fixed outputs and adjustable options capableof supporting an output voltage range from 0.6 V to 90% of theinput voltage. Protection features include undervoltage lockout(UVLO), overvoltage protection (OVP), overcurrent protection(OCP), and thermal shutdown (TSD) for robust performance.The ADP2165/ADP2166 operate over the ?40?C to +125?Cjunction temperature range and are available in a 24-leadLFCSP package.Applications Point of load regulation Communications and networking High end consumer Industrial, instrumentation, and healthcare

The ADP2386 is a synchronous step-down, dc-to-dc regulator with an integrated 44 m?, high-side power MOSFET and an 11 m?, synchronous rectifier MOSFET to provide a high efficiency solution in a compact 4 mm ? 4 mm LFCSP package. This device uses a peak current mode, constant frequency pulse-width modulation (PWM) control scheme for excellent stability and transient response. The switching frequency of the ADP2386 can be programmed between 200 kHz to 1.4 MHz. To minimize system noise, the synchronization function allows the switching frequency to be synchronized to an external clock.The ADP2386 requires minimal external components and operates from an input voltage of 4.5 V to 20 V. The output voltage can be adjusted from 0.6 V to 90% of the input voltage and delivers up to 6 A of continuous current. Each IC draws less than 110 ?A current from the input source when it is disabled.This regulator targets high performance applications that require high efficiency and design flexibility. External compensation and an adjustable soft start function provide design flexibility. The power-good output and precision enable input provide simple and reliable power sequencing.Other key features include undervoltage lockout (UVLO), overvoltage protection (OVP), overcurrent protection (OCP), short-circuit protection (SCP) and thermal shutdown (TSD).The ADP2386 operates over the ?40?C to +125?C junction temperature range and is available in a 24-lead, 4 mm ? 4 mm LFCSP package.Applications Communications infrastructure Networking and servers Industrial and instrumentation Healthcare and medical Intermediate power rail conversion DC-to-dc point-of-load applications

The ADP2443 is synchronous step-down, dc-to-dc regulator with an integrated 98 m?, high-side power metal oxide semicon-ductor field effect transistor (MOSFET) and a 35 m?, synchronous rectifier MOSFET to provide a high efficiency solution in a compact 4 mm ? 4 mm LFCSP package. The regulators operate from an input voltage range of 4.5 V to 36 V. The output voltage can be adjusted down to 0.6 V and deliver up to 3 A of continuous current. The fast 50 ns minimum on time allows the regulators convert high input voltage to low output voltage at high frequency.The ADP2443 uses an emulated current mode, constant frequency pulse-width modulation (PWM) control scheme for excellent stability and transient response. The switching frequency of the ADP2443 can be programmed from 200 kHz to 1.8 MHz. The synchronization function allows the switching frequency be syn-chronized with an external clock to minimize the system noise.The ADP2443 targets high performance applications that require high efficiency and design flexibility. External compensation and an adjustable soft start function provide design flexibility. The power-good output and precision enable input provide simple and reliable power sequencing.Other key features include undervoltage lockout (UVLO), overvoltage protection (OVP), overcurrent protection (OCP), short-circuit protection (SCP), and thermal shutdown (TSD).The ADP2443 operates over the ?40?C to +125?C operating junction temperature range and is available in a 24-lead, 4 mm ? 4 mm LFCSP package.Applications Intermediate power rail conversion Multicell battery powered systems Process control and industrial automation Healthcare and medical Networking and servers

The ADA4922-1 is a differential driver for 16-bit to 18-bitanalog-to-digital converters (ADCs) that have differential inputranges up to ?20 V. Configured as an easy-to-use, single-ended-to-differentialamplifier, the ADA4922-1 requires no externalcomponents to drive ADCs. The ADA4922-1 provides essentialbenefits such as low distortion and high SNR that are requiredfor driving ADCs with resolutions up to 18 bits.With a wide supply voltage range (5 V to 26 V), high inputimpedance, and fixed differential gain of 2, the ADA4922-1 isdesigned to drive ADCs found to in a variety of applications,including industrial instrumentation. The ADA4922-1 is manufactured on Analog Devices, Inc.,proprietary, second-generation XFCB process that enables theamplifier to achieve excellent noise and distortion performanceon high supply voltages.The ADA4922-1 is available in an 8-lead 3 mm ? 3 mm LFCSPas well as an 8-lead SOIC package. Both packages are equippedwith an exposed paddle for more efficient heat transfer. TheADA4922-1 is rated to work over the extended industrialtemperature range, ?40?C to +85?C. Applications High voltage data acquisition systems Industrial instrumentation Spectrum analysis ATE Medical instruments

The ADA4945-1 is a low noise, low distortion, fully differential amplifier with two selectable power modes. The device operates over a broad power supply range of 3 V to 10 V. The low dc offset, dc offset drift, and excellent dynamic performance of the ADA4945-1 makes it well suited for a variety of data acquisition and signal processing applications. The device is an ideal choice for driving high resolution, high performance successive approximation register (SAR) and ?-? analog-to-digital converters (ADCs) on 4 mA of quiescent current (full power mode). The device can also be selected to operate on 1.4 mA of quiescent current (low power mode) to scale the power consumption to the desired performance necessary for an ADC drive application. The adjustable common-mode voltage allows the ADA4945-1 to match the input common-mode voltage of multiple ADCs. The internal common-mode feedback loop provides exceptional output balance, as well as suppression of even order harmonic distortion products.With the ADA4945-1, differential gain configurations are achieved with a simple external feedback network of four resistors determining the closed-loop gain of the amplifier. The ADA4945-1 is fabricated using Analog Devices, Inc., proprietary, silicon germanium (SiGe), complementary bipolar process, enabling the device to achieve low levels of distortion with an input voltage noise of only 1.8 nV/?Hz (full power mode).The ADA4945-1 is available in a RoHS-complaint, 3 mm ? 3 mm, 16-lead LFCSP. The ADA4945-1 is specified to operate from ?40?C to +125?C.Applications Low power ?-?, PulSAR?, and SAR ADC drivers Single-ended to differential converters Differential buffers Medical imaging Process control Portable electronics

The ADCLK905 (one input, one output), ADCLK907 (dual oneinput, one output), and ADCLK925 (one input, two outputs) areultrafast clock/data buffers fabricated on the Analog Devices, Inc.,proprietary XFCB3 silicon germanium (SiGe) bipolar process.The ADCLK905/ADCLK907/ADCLK925 feature full-swing emitter coupled logic (ECL) output drivers. For PECL (positive ECL) operation, bias VCC to the positive supply and VEE to ground. For NECL (negative ECL) operation, bias VCC to ground and VEE to the negative supply.The buffers offer 95 ps propagation delay, 7.5 GHz toggle rate, 10 Gbps data rate, and 60 fs random jitter (RJ).The inputs have center tapped, 100 ?, on-chip termination resistors. A VREF pin is available for biasing ac-coupled inputs.The ECL output stages are designed to directly drive 800 mV each side into 50 ? terminated to VCC ? 2 V for a total differential output swing of 1.6 V.The ADCLK905/ADCLK907/ADCLK925 are available in 16-lead LFCSP packages.Applications Clock and data signal restoration and level shifting Automated test equipment (ATE) High speed instrumentation High speed line receivers Threshold detection Converter clocking

The ADD5211 is a four-string, white LED driver for backlight applications based on high efficiency, current mode, step-up converter technology. The boost controller drives an external MOSFET switch for step-up regulation from an input voltage of 4.5 V to 40 V and a pin adjustable operating frequency from 200 kHz to 1.2 MHz. An adjustable UVLO function is implemented to reduce input current during power-off.The ADD5211 provides four regulated current sinks for uniform brightness intensity. Each current sink can be driven from 40 mA to 200 mA; the LED driving current is pin adjustable using an external resistor. With an input PWM interface, the ADD5211 drives up to four parallel strings of multiple series connected LEDs.Additional features include LED short protection, LED open protection, boost output short protection, overvoltage protection, cycle-by-cycle current limit, and thermal shutdown for both the IC and the LED array. An open-drain fault output is also included. A programmable soft start is implemented to reduce inrush current during startup. Applications LCD monitor and TV LED backlights Industrial lighting

The ADF7030-1 is a fully integrated, radio transceiver achieving high performance at very low power. The ADF7030-1 is ideally suited for applications that require long range, network robustness, and long battery life. It is suitable for applications that operate in the ISM, SRD, and licensed frequency bands at 169.4 MHz to 169.6 MHz, 426 MHz to 470 MHz, and 863 MHz to 960 MHz. It provides extensive support for standards-based protocols like IEEE802.15.4g while also providing flexibility to support a wide range of proprietary protocols.The highly configurable low intermediate frequency (IF) receiver supports a large range of receiver channel bandwidths from 2.6 kHz to 406 kHz. This range of receiver channel bandwidths allows the ADF7030-1 to support ultranarrow-band, narrow-band, and wideband channel spacing.The ADF7030-1 features two independent PAs supporting output power ranges of ?20 dBm to +13 dBm and ?20 dBm to +17 dBm. The PAs support ultrafine adjustment of the power with a step resolution of 0.1 dB. The PA output power is exceptionally robust over temperature and voltage. The PAs have an automatic power ramp control to limit spectral splatter to meet regulatory standards.The ADF7030-1 features an on-chip ARM??Cortex?-M0 processor that performs radio control, radio calibration, and packet management. Cortex-M0 eases the processing burden of the host processor because the ADF7030-1 integrates the lower layers of a typical communication protocol stack. This internal processor also permits the download and execution of Analog Devices, Inc., provided firmware modules that can extend the functionality of the ADF7030-1.The ADF7030-1 has two packet modes: generic packet mode and IEEE802.15.4g mode. In generic packet mode, the packet format is highly flexible and fully programmable, thereby ensuring its compatibility with proprietary packet formats. In IEEE802.15.4g packet mode, the packet format conforms to the?IEEE802.15.4g standard. FEC, as per the IEEE802.15.4g standard, is also supported.The ADF7030-1 operates with a power supply range of 2.2 V to 3.6 V and has very low power consumption in both Tx and Rx modes, enabling long lifetimes in battery-operated systems. An ultralow power deep sleep mode achieves a typical current of 10 nA with the configuration memory retained.A complete wireless solution can be built using a small number of external discrete components and a host processor (typically a microcontroller). The host processor can configure the ADF7030-1 using a simple command-based protocol over a standard 4-wire SPI interface. A single-byte command transitions the radio between states or performs a radio function.The ADF7030-1 is available in two package types: a 6 mm ? 6 mm, 40-lead LFCSP and a 7 mm ? 7 mm, 48-lead LQFP. Both package types use NiPdAu plating to mitigate against silver migration in high humidity applications. The ADF7030-1 operating temperature range is ?40?C to +85?C.For Figure 13 to Figure 19, Figure 30, Figure 42, Figure 60, Figure 61, and Figure 75 in the Typical Performance Characteristics section, PA_COARSE is a programmable value that provides a coarse adjustment of the PA output power. This value can be programmed in the range of 1 to 6 for PA1, and from 1 to 10 for PA2. PA_FINE is a programmable value that provides a fine adjustment of the PA output power. This value can be programmed in the range of 3 to 127 for both PA1 and PA2. PA_MICRO is a programmable value that provides a microadjustment (typically <0.1 dB) of the PA output power. This value can be programmed in the range of 1 to 31 for both PA1 and PA2. PAOLDO_VOUT_CON is a programmable value that configures the internal LDO voltage that provides bias for the PA. For additional information on these bit settings, see the ADF7030-1 Software Reference Manual, which is the detailed programming guide for the device.Applications IEEE 802.15.4g (MR-FSK PHY)? Wireless M-Bus (EN 13757-4) Smart metering Security and building automation? Active tag asset tracking Industrial control Wireless sensor networks (WSNs)

The ADIS16507 is a precision, miniature microelectromechanical?system (MEMS) inertial measurement unit (IMU) that includes?a triaxial gyroscope and a triaxial accelerometer. Each inertial?sensor in the ADIS16507 combines with signal conditioning?that optimizes dynamic performance. The factory calibration?characterizes each sensor for sensitivity, bias, alignment,?linear acceleration (gyroscope bias), and point of percussion?(accelerometer location). As a result, each sensor has dynamic?compensation formulas that provide accurate sensor?measurements over a broad set of conditions.The ADIS16507 provides a simplified, cost effective method for?integrating accurate, multiaxis inertial sensing into industrial?systems, especially when compared with the complexity and?investment associated with discrete designs. All necessary motion?testing and calibration are part of the production process at the?factory, greatly reducing system integration time. Tight orthogonal?alignment simplifies inertial frame alignment in navigation?systems. The serial peripheral interface (SPI) and register?structure provide a simple interface for data collection and?configuration control.The ADIS16507 is available in a 100-ball, ball grid array (BGA)?package that is approximately 15 mm ? 15 mm ? 5 mm.Applications Navigation, stabilization, and instrumentation Unmanned and autonomous vehicles Smart agriculture and construction machinery Factory/industrial automation, robotics Virtual/augmented reality Internet of Moving Things