Circuits

Audio CODEC features ultra-low power design.

Audio CODEC features ultra-low power design.

Equipped with Class W headphone and line drivers, Model WM8904 extends playback time in portable applications, such as media players, headsets, and multimedia phones. SmartDAC(TM) technology enables DAC to headphone power consumption of 4 mW and delivers up to 30 mW per channel into headphone load. By incorporating clamp and sequencer circuitry, SilentSwitch(TM) technology provides pop-and-click...

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Energy Metering ICs are accurate to 0.1% over 1,000:1 range.

Taking active and reactive measurements, ADE7878/68/58/54 improve smart electricity meter customer billing accuracy and power quality monitoring. All devices are designed for poly-phase configurations, and one can also measure fundamental-only energies. In addition to per-phase and neutral-energy measurements, ADE7868/78 can monitor energy quality parameters such as SAG, peak, period, angle...

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RF-to-Digital Converter fosters automotive SDR integration.

RF-to-Digital Converter fosters automotive SDR integration.

Based on RF MicroDigitizer(TM) architecture, MT3511 harnesses RF and digital silicon technologies to bring software defined radio (SDR) to global automotive industry. Automotive-grade IC, optimized to work with generic, high-performance DSPs and multimedia processors, combines functions of RF tuner and ADC in one chip. It employs configurable, fully autonomous automatic gain control circuit and...

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Digital-to-Analog Converters integrate 10 ppm/°C reference.

Housed in 3 x 3 mm QFN and MSOP packages, Series LTC2635 includes LTC2635-H option with 2.5 V full-scale output and LTC2635-H option providing 4.096 V full-scale output. Quad 12-bit, 10-bit, and 8-bit rail-to-rail I2C DACs operate from single 2.7-5.5 V supply with supply current of 125 -µA. In addition to offering power-on reset to zero and mid-scale options, LTC2635-L also includes options for...

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ADCs integrate 10 ppm/°C max precision reference.

Housed in 3 x 3 mm DFN and 12-lead MSOP packages, Models LTC2470 and LTC2472 feature integrated 1.25 V reference that offers 2 ppm/°C drift and 0.1% initial accuracy for precise measurements in space-constrained applications. Both provide 16-bit no missing code resolution and selectable 250 S/sec or 1 kS/sec output rate. Operating from single 2.7-5.5 V supply, Models LTC2470 and LTC2472 measure...

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Miniature Driver ICs save space in stepper motor designs.

Miniature Driver ICs save space in stepper motor designs.

Mounting directly to high-current stepper motors, AMIS-30532 and AMIS-30542 microstepping motor drives feature 2 embedded H-bridges and connect to host microcontroller via SPI interface and dedicated I/O pins. They deliver max current output of 2.2 A continuous/5.0 A peak. Each device integrates smart motor control capability with voltage regulation, on-board current sensing, and protection and...

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Low Noise Amplifier targets GPS applications.

Using CMOS process, 1.6 GHz Model XC2404A816UR-G achieves low voltage drive of 1.14-1.26 V at fixed bias, low power consumption of 12.0 mW at fixed bias, and low noise figure of 0.94 dB. Power supply voltages of 1.8 V and 2.85 V can also be supported by adding one resistor for self bias. Housed in 1.5 x 1.5 x 0.6 mm USP-8A0-1 package, amplifier enables 50 W matching in both input and output with...

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LDO Regulators require no output capacitor.

Housed in 0.9 x 1.2 x 0.4 mm USPN-4 package, SC6501 Series features input range of 1.4-6.0 V, output voltage range of 1.2-5.0 V in steps of 0.05 V, and max output current of 200 mA. Internal phase compensation enables stable operation even without output capacitor. Suited for cell phones and other information communication devices, regulators include on/off function, current limiter rated at 300...

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PWM Controller improves energy efficiency at light load.

With operating current of 1.7 mA, FAN6754 helps notebook power supply designers meet international energy-saving regulations such as ENERGY STAR® EPS v2.0. Frequency hopping reduces EMI emissions, and internal soft start (8 ms) reduces voltage stress on MOSFET at startup. Along with various protection, brownout, and line-compensation features, products offers green-mode function that provides...

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Transimpedance Amplifier receives nanoamp signals.

Transimpedance Amplifier receives nanoamp signals.

Designed for laser-based distance-measurement applications, Model MAX3806 can receive input signal as low as 42 nAP-P and amplify it to range required by differential ADCs, while handling overload signals up to 2 mAP-P. Pin-selectable gain setting of 30 kW or 60 kW allows MAX3806 to achieve typical bandwidths of 98 MHz and 49 MHz, respectively. Operating from single 5.0 V supply, amplifier...

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