Circuits

Audio Hub CODEC enables multimedia mobile phones.

Audio Hub CODEC enables multimedia mobile phones.

Supplied in 48-pin, 3.64 x 3.54 x 0.7 mm CSP, WM8993 manages all audio processing and routing in multimedia mobile handsets; consumes less than 5 mW (typ); and enables 100+ hr of playback. Integrated ReTune(TM) Mobile Parametric Equalizer optimizes speaker characteristics and frequency response, while programmable dynamic range control helps boost low-level signals and optimize dynamic range as...

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MicroSD Interface Protection Filter suits mobile handsets.

Supplied in microDFN16 package, CM1624 protects microSD memory card UI against ESD damage to card and hardware while also suppressing EMI and providing optimal digital signal integrity. Integrated pull-up resistors eliminate need for additional circuitry on handset PCB, and integrated 25 K ohms pull-up resistors help detect presence of memory card. ASIC supports clock frequencies up to 96 MHz,...

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Frequency Synthesizer has low-noise design.

Offered in series of 6 devices covering 31.6-4,000 MHz range, PowerWise-® LMX2541 comes in 6 x 6 mm, 36-pin LLP-® and provides less than 2 mrad rms noise at 2.1 GHz (3.5 mrad rms noise at 3.5 GHz). Device, which can be operated with up to 104 MHz of phase-detector rate in integer and fractional modes, integrates delta-sigma fractional-N PLL, VCO, divider, and output driver. Areas of use include...

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LED Driver delivers high accuracy for LCD TVs and monitors.

LED Driver delivers high accuracy for LCD TVs and monitors.

Featuring closed loop system for efficiency, 3 channel HV9985 delivers high LED current accuracy, suited for driving multiple strings of backlight or edgelight LEDs in LCD TVs. It contains 3 peak current mode controllers, and Gate drivers optimized for driving logic level FETs at 0.25 A sourcing or 0.5 A sinking. Each output current can be individually dimmed via linear or PWM dimming methods. IC...

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IC provides 1 kV surge protection for PoE applications.

Offering IEC 61000-4-5 surge protection for PoE applications, PEP01-5841 IC is used in power sourcing equipment, such as PoE-enabled Ethernet switches or hubs, which drive specified 48 V supply onto Ethernet cable. It integrates 100 V clamping protection device and filtering capacitors for up to 4 PoE outputs in single 5 x 6 mm component.

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Battery Authentication IC uses SHA-256 cryptographic engine.

Battery Authentication IC uses SHA-256 cryptographic engine.

Supporting supply voltage of 2.5-5.5 V, AT88SA100S CrytpoAuthentication(TM) IC protects mobile phones, portable power tools, cameras, and other microcontroller-based products from counterfeit battery packs. Device has 256 bits of SRAM for key storage, 48-bit serial number stored permanently inside, and 88 one-time user-programmable fuses for storage of battery parameters or status information....

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White-LED Flash Driver targets cell phone cameras.

Integrating 2 MHz synchronous boost converter, 500 mA programmable current source, and I-²C interface, Model ADP1655 maximizes limited current available in battery-operated digital cameras to increase flash brightness to over 200 lumens. In cell phone applications, transmit masking function allows camera flash to run at higher LED current while operating RF transceiver to monitor cellular base...

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SoC Solutions offer up to 1 MSPS for data acquisition.

Available in 64-pin QFN package, 18-bit ADS8284 and 16-bit ADS8254 combine SAR data converters and peripherals and help develop high performance ADC front ends for precision applications including high-speed data acquisition, automated test equipment, and medical imaging. They feature 4-channel multiplexer, input operational amplifier, 6 ppm/-

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Read Channel (40 nm) is available for HDD manufacturers.

Based on 40 nm semiconductor process technology, TrueStore-® RC9500 is designed to support notebook through enterprise HDD form factors and capacity points. Low-density parity check (LDPC) iterative decoding technology enables increase in data storage capacity of HDDs, reduces read channel power consumption, and delivers data rates exceeding 4.0 Gbps. Level of active power consumption can reduce...

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