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Nuevas tecnologías

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2023-02-20, Low voltage, programmable resistance, thermostatic switch

The AD22105 is a solid state thermostatic switch. Requiring only one external programming resistor, the AD22105 can be set to switch accurately at any temperature in the −40°C to +150°C wide operating range. Using a novel circuit architecture, the AD22105 asserts an open-collector output when the ambient temperature exceeds the user-programmed setpoint temperature. The AD22105 has approximately 4°C of hysteresis, which prevents rapid thermal on and off cycling

Technology Cover

2023-02-20, Isolated Sigma-Delta modulator from Analog Devices

The AD7401A1 is a second-order sigma-delta (Σ-Δ) modulator that converts analog input signals into high-speed 1-bit data streams with digital-on-chip isolation based on Analog Devices, Inc. 's iCoupler technology. Operates from a 5v power supply and accepts a pseudo-differential input signal of ±250 mV(±320 mV full scale). The device contains an on-chip reference. The AD7401A uses a 16-pin SOIC and operates in the temperature range −40°C to +125°C.

Technology Cover

2023-02-20, ±15 kV ESD protection 3 to 5.5V, 400 kbps, RS-232 transceiver automatic power off

The ST3243E device consists of 3 drivers, 5 receivers and a dual charge-pump circuit. The device meets the requirements of EIA/TIA and V.28/V. 24 communication standards providing high data rate capability and enhanced electrostatic discharge (ESD) protection. All transmitter outputs and receiver input are protected to ± 8 kV USING IEC 1000-4-2 contact discharge and ± 15 kV using the human body model. The receiver R2 is always active to implement a wake-up feature for serial port

Technology Cover

2023-02-20, NXP develops multi-switch detection interface

The multi-switch detection interface is designed to detect the closing and opening of up to 22 switch contacts. The switching state, on or off, is transmitted to the microprocessor unit (MCU) via the Serial Peripheral Interface (SPI). The device also has a 22-to-1 analog multiplexer for reading analog inputs. 33993 adopts 32-pin wide-body SOIC package to reduce the area of the circuit board. The low rest current makes the 33993 ideal for automobiles and industrial products that require low sleep state current

Technology Cover

2023-02-19, Precision 8-bit voltage output digital - to - analog converter

The AD7224 is a precision 8-bit voltage output, digital-to-analog converter, output amplifier and dual buffered interface logic on a single chip CMOS chip. No external decoration is required to achieve the full specified performance of this part. The dual-buffer interface logic consists of two 8-bit registers -- an input register and a DAC register. Manufactured using a full ion-implanted high speed linearly compatible CMOS (LC2 MOS) process, a process specifically developed for integrating high speed digital logic circuits and precision analog circuits on the same chip

Technology Cover

2023-02-18, 5A, 2.4V ~ 5.5V input, high efficiency power module

The MAX17515 is a fixed-frequency, step-down power module in a thermally efficient system-in-package (SiP) package that operates from a 2.4V to 5.5V input supply voltage and supports output currents up to 5A. The device includes switch-mode power-supply controller, dual nMOSFET power switches, a fully shielded inductor, as well as compensation components. The device supports 0.75V to 3.6V programmable output voltage.

Technology Cover

2023-02-18, Texas Instruments provides the LM2672 series voltage regulator

The LM2672 series of regulators are monolithic integrated circuits built with a LMDMOS process. These regulators provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1A load current with excellent line and load regulation. These devices are available in fixed output voltages of 3.3V, 5.0V, 12V, and an adjustable output version

Technology Cover

2023-02-18, Dual synchronous rectifier reset or suppression, 0.5 A, 1.5 MHz adjustable step-down switch regulator

The ST2S06A33 and ST2S06B are dual stepdown DC-DC converters optimized for powering low-voltage digital cores in ODD applications and, generally, to replace high current linear solutions when the power dissipation may cause high heating of the application environment. It provides up to 0.5 A over an input voltage range of 2.5 V to 5.5 V.

Technology Cover

2023-02-18, Polyphase link controller

The SC4201 is a multiphase link controller designed for isolated and non-isolated applications. Its operating frequency can be programmed to exceed 2MHz per phase (oscillator frequency = phase frequency multiplied by the number of phases 3 or 4), and can be easily synchronized with external, faster frequencies.

Technology Cover

2023-02-17, Boost/SEPIC/ Inverter DC/DC Converter, 1A, 65V switch, soft start and synchronization

The LT8580 is a PWM DC/DC converter containing an internal 1A, 65V switch. It comes in a miniature thermal enhanced 3mm x 3mm 8-pin DFN and 8-pin MSOP package.

Technology Cover

2023-02-17, 1.2V ultra low power high PSRR reference voltage

The ADR280 is a 1.2V band-gap core benchmark with excellent line conditioning and power suppression, designed for applications that experience a large number of dynamic power changes, and it is available in compact 3-pin SOT-23 and SC70 packages. The equipment is suitable for extended industrial temperature ranges from −40°C to +85°C.

Technology Cover

2023-02-17, 8-bit serial input protects latch drivers

The MIC59P60 serial-input latched driver is a high-voltage (80V), high-current (500mA) integrated circuit comprised of eight CMOS data latches, a bipolar Darlington transistor driver for each latch, and CMOS control circuitry for the common CLEAR, STROBE, CLOCK, SERIAL DATA INPUT, and OUTPUT ENABLE functions. Similar to the MIC5842, additional protection circuitry supplied on this device includes thermal shutdown, under voltage lockout (UVLO), and overcurrent shutdown.

Technology Cover

2023-02-17, Single phase bidirectional power/energy integrated circuit

The CS5460A is a highly integrated power measurement solution that combines two analog-to-digital converters (ADCs), high-speed power computing capabilities, and a serial interface on a single chip. In automatic startup mode, the CS5460A reads calibration data and startup instructions from an external EEPROM. In this mode, the CS5460A can be operated without a microcontroller to reduce the total bill of materials cost.

Technology Cover

2023-02-17, Broadband, high output current, fast settling operational amplifier

The AD842 is a member of the Analog Devices, Inc. family of wide bandwidth operational amplifiers. This device is fabricated using the Analog Device junction isolated complementary bipolar (CB) process. This process permits a combination of dc precision and wideband ac performance previously unobtainable in a monolithic op amp. In addition to its 80 MHz gain bandwidth product, the AD842 offers extremely fast settling characteristics, typically settling to within 0.01% of final value in less than 100 ns for a 10 V step

Technology Cover

2023-02-17, Low voltage operational amplifier supplied by Texas Instruments

The TLV2231 is a low-voltage operational amplifier in the SOT-23 package. It provides 2 MHz bandwidth and a conversion rate of 1.6 V/µs for applications requiring good AC performance. The device displays rail-to-rail output performance to increase dynamic range in single or split power applications.

Technology Cover

2023-02-17, Dual ultra-thin 2.5A or single 5A step-down DC/DC µmodule regulators

The LTM4622 is a complete dual 2.5A step-down switching mode µModule (powermodule) regulator in a tiny ultrathin 6.25mm × 6.25mm × 1.82mm LGA and 6.25mm × 6.25mm × 2.42mm BGA packages. Included in the package are the switching controller, power FETs, inductor and support components. Operating over an input voltage range of 3.6V to 20V, the LTM4622 supports an output voltage range of 0.6V to 5.5V, set by a single external resistor. Its high efficiency design delivers dual 2.5A continuous, 3A peak, output current. Only a few ceramic input and output capacitors are needed

Technology Cover

2023-02-17, Microchip single chip OOK (ON-OFF Keyed) receiver IC

MICRF001 is a single-chip OOK (ON-OFF Keyed) receiver IC for remote wireless applications using Micrel's latest QwikRadiotm technology. The device is a true "antenna in, data out" monolithic device. Because MICRF001 is a true single chip radio receiver, it is very easy to apply, minimizes design and production costs, and reduces time to market.

Technology Cover

2023-02-16, N-Channel and P-Channel Enhancement-Mode MOSFET Pair

The TC6320 consists of high-voltage, low-threshold N-channel and P-channel MOSFETs in 8-lead SOIC and DFN packages. Both MOSFETs have integrated gate-to-source resistors and gate-to-source Zener diode clamps which are desired for high-voltage pulser applications.