ADPD2214Low Noise, High Sensitivity Optical Sensor with Green Bandpass Filter | Optical Sensors | 1 | Obsolete | The ADPD2214 is an optical sensor optimized for biomedical applications. Very low power consumption and near theoretical signal-to-noise ratio (SNR) are achieved by packaging an ultralow capacitance deep junction silicon photodiode operated in zero bias photoconductive mode with a low noise current amplifier. The ADPD2214 offers a typical 75 kHz bandwidth performance, which is well suited for use with pulsed excitation. The ADPD2214 uses very little power during operation and incorporates a power-down pin, enabling power cycling to optimize battery life in portable applications. The ADPD2214 provides shot noise limited performance, making it an excellent choice for measuring signals with the highest possible fidelity in low light conditions. This combination of low power, very high SNR, and electromagnetic interference (EMI) immunity enables low-power system solutions not possible with traditional photodiode (PD) and transimpedance amplifier (TIA) systems.ApplicationsHeart rate, pulse oximetry monitoring (photoplethysmography)Battery-powered medical sensorsChemical analysis |
| Evaluation and Demonstration Boards and Kits | 1 | Active | |
| Interface | 1 | Active | TheADPD4000/ADPD4001 operate as a complete multimodal sensor front end, stimulating up to eight LEDs and measuring the return signal on up to eight separate current inputs. Twelve time slots are available, enabling 12 separate measurements per sampling period.The data output and functional configuration utilize an I2C interface on the ADPD4001 or a serial port interface (SPI) on the ADPD4000. The control circuitry includes flexible LED signaling and synchronous detection. The devices use a 1.8 V analog core and 1.8 V/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 ADPD4000/ADPD4001 to be a sensor hub for synchronous measurements of photodiodes, biopotential electrodes, resistance, capacitance, and temperature sensors.The ADPD4000/ADPD4001 are available in a 3.11 mm × 2.14 mm, 0.4 mm pitch, 33-ball WLCSP and 35-ball WLCSP.For more information about the ADPD4000/ADPD4001, contact Analog Devices, Inc., atoptical_sensors@analog.com.ApplicationsWearable health and fitness monitors: heart rate monitors (HRMs), heart rate variability (HRV), stress, blood pressure estimation, SpO2, hydration, body compositionIndustrial monitoring: CO, CO2, smoke, and aerosol detectionHome patient monitoring |
| Development Boards, Kits, Programmers | 1 | Active | |
ADPL1600060V, 400mA, Ultra-Small, Hi gh-Efficiency, Synchronous Step-Down DC-DC Converters | Voltage Regulators - DC DC Switching Regulators | 3 | Active | The ADPL16000 family of products are high-efficiency, high-voltage, synchronous DC-DC converters with integrated MOSFETs operating over a wide input-voltage range of 4.5V to 60V.The converters can deliver up to 400mA and generate output voltages from 0.9V to 0.89 x VIN; ADPL16000A is fixed at 3.3V, ADPL16000B is fixed at 5.0V, and ADPL16000C is adjustable. The family of converters is available in a compact, 8-pin, 2mm x 2mm TDFN-CU package.The device employs a peak-current-mode control architecture with a MODE pin that can be used to operate the device in pulse-width modulation (PWM) or pulse-frequency modulation (PFM) control schemes. PWM operation provides constant frequency operation at all loads and is useful in applications sensitive to variable switching frequency. PFM operation disables negative inductor current, and additionally skips pulses at light loads for high-efficiency. The low-resistance on-chip MOSFETs ensure high-efficiency at full load and simplify the PCB layout.APPLICATIONSIndustrial Sensors4–20mA Current LoopsHVAC and Building ControlHigh-Voltage LDO ReplacementGeneral Purpose Point-of-Load |
ADPL26001Low-IQBoost/SEPIC/ Inverting Converter with 1A, 60V Switch | Voltage Regulators - DC DC Switching Regulators | 1 | Active | The ADPL26001 is a current-mode DC/DC converter capable of generating either positive or negative output voltages using a single feedback pin. It can be configured as a boost, single-ended primary inductance converter (SEPIC), or inverting converter consuming as low as 6μA of quiescent current. Low ripple Burst Mode operation maintains high efficiency down to very low output currents while keeping the output ripple below 15mV in a typical application. The internally compensated current-mode architecture results in stable operation over a wide range of input and output voltages. Integrated soft-start and frequency foldback functions are included to control inductor current during start-up. The ADPL26001 comes in small package options that combined with a high switching frequency of 2MHz, helps to maintain a small footprint for an overall efficient, space-saving and cost-effective solution.APPLICATIONSIndustrialTelecomMedical Diagnostic EquipmentPortable Electronics |
ADPL5420340VINMicropower No-Opto Isolated Flyback Converter with 60V/3.4A Switch | Voltage Regulators - DC DC Switching Regulators | 2 | Active | The ADPL54203 operates from an input voltage range of 3.2V to 40V and delivers up to 17W of isolated output power. It is a monolithic micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or optoisolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation resistor. Boundary mode operation provides a small magnetic solution with excellent load regulation. Low ripple Burst Mode operation maintains high efficiency at light load while minimizing the output voltage ripple.A 3.4A, 60V DMOS power switch is integrated along with all the high voltage circuitry and control logic into a thermally enhanced 8-lead SO package. The high level of integration and the use of boundary and low ripple burst modes result in a simple to use, low component count, and high efficiency application solution for isolated power delivery.APPLICATIONSIsolated Auxiliary/Housekeeping Power Supplies Isolated Industrial, Medical Power Supplies |
ADPL7603055 V, 1.4 MHz Synchronous 4-Switch Buck-Boost Controller with Spread Spectrum | DC/DC & AC/DC (Off-Line) SMPS Evaluation Boards | 2 | Active | The ADPL76030 is a synchronous 4-switch buck-boost DC/DC controller that regulates output voltage, and input or output current from an input voltage above, below, or equal to the output voltage. The proprietary peak-buck, peak-boost current-mode control scheme allows adjustable and synchronizable 600 kHz to 1.4 MHz fixed frequency operation, or internal 25% triangle spread spectrum frequency modulation for low EMI. With a 4 V to 55 V input voltage range, 0 V to 55 V output voltage capability, and seamless low noise transitions between operation regions, the ADPL76030 is ideal for voltage regulators, and battery and supercapacitor charger applications in industrial, telecom, and even battery-powered systems.The ADPL76030 provides input or output current monitor and power good flag. Fault protection is also provided to detect output short-circuit condition, during which the ADPL76030 retries, latches off, or keeps running.All registered trademarks and trademarks are the property of their respective owners.ApplicationsIndustrial, Telecom SystemsHigh Frequency, Battery-Powered System |
ADR01Ultracompact, Precision 10.0 V Voltage Reference | Voltage Reference | 8 | Active | The ADR01,ADR02,ADR03, andADR06are precision 10.0 V, 5.0 V, 2.5 V, and 3.0 V, respectively, band gap voltage references featuring high accuracy, high stability, and low power consumption. The devices are housed in tiny, 5-lead SC70 and TSOT packages, as well as in 8-lead SOIC version. The SOIC version of the ADR01, ADR02, and ADR03 are drop-in replacements1to the industry-standard REF01, REF02, and REF03. The small footprint and wide operating range make the ADR01, ADR02, ADR03, and ADR06 references ideally suited for general-purpose and space-constrained applications.With an external buffer and a simple resistor network, the TEMP pin can be used for temperature sensing and approximation. A TRIM pin is provided on the devices for fine adjustment of the output voltage.The ADR01, ADR02, ADR03, and ADR06 are compact, low drift voltage references that provide a stable output voltage from a wide supply voltage range. The devices are available in 5-lead SC70 and TSOT packages and an 8-lead SOIC package with A, B, and C grade selections. All devices are specified over the extended industrial (−40°C to +125°C) temperature range. The ADR01, ADR02, ADR03, and ADR06 A grade in 8-lead SOIC are qualified for automotive applications.ApplicationsPrecision data acquisition systemsHigh resolution convertersIndustrial process control systemsPrecision instrumentsAuto battery monitoringPCMCIA cards1ADR01, ADR02, and ADR03 are component level compatible with REF01, REF02, and REF03, respectively. No guarantees for system level compatibility are implied. SOIC versions of ADR01, ADR02, and ADR03 are pin-to-pin compatible with the 8-lead SOIC versions of the REF01, REF02, REF03, respectively, with the additional temperature monitoring function. |
| Power Management (PMIC) | 9 | Active | |
