Philips Manuals (Industrial)

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PCA2000 and PCA2001 are integrated circuits for 32 kHz watch circuits with programmable adaptive motor pulse. They feature oscillator, programmable time calibration, low power consumption, and stepping motor drive.

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This datasheet introduces the features of the PCA16xx series 32 kHz quartz crystal controlled watch circuits. The series products are suitable for battery-powered quartz crystal controlled watches with bipolar stepping motors.

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This data sheet provides specifications for the 32 kHz PCA167x series of watch circuits, including frequency stability, current consumption, available functions, power-on reset, and more.

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This data sheet provides information on the PCA167x series 32 kHz watch circuits, including features, characteristics, and usage instructions.

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This document describes the PCA16xx series of 32 kHz watch circuits with EEPROM. The product features a 32 kHz oscillator with excellent immunity to leakage currents, electrically programmable and reprogrammable time calibration via EEPROM, and only requires an external quartz crystal.

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The PCA148x series is a 32kHz watch circuit with adaptive motor pulse. It features a 32kHz oscillator with amplitude regulation and excellent frequency stability, high immunity of the oscillator to leakage currents. The time calibration is electrically programmable and reprogrammable via EEPROM, and only requires a quartz crystal as the external component. It has very low current consumption, typically 170nA. It has an output for bipolar stepping motors of different types and achieves up to 50% reduction in motor current compared with conventional circuits by self adaption of the motor pulse width according to the required torque of the motor. It has on-chip detection of the induced motor voltage to prevent loss of motor steps. It also includes indication for battery end-of-life, stop function for accurate timing, power-on reset for fast testing, and various test modes for testing the mechanical parts of the watch and the IC.

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This document describes the PCA146x series of 32 kHz watch circuits with adaptive motor pulse. The product features stable frequency, high immunity to interference, programmable time calibration, low power consumption, etc.

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This document describes the features and characteristics of the PCA146x series 32 kHz watch circuits, including frequency stability, high immunity of the oscillator to leakage currents, time calibration that is electrically programmable and reprogrammable via EEPROM, low current consumption with only a quartz crystal as the external component, output for different types of bipolar stepping motors, up to 50% reduction in motor current compared to conventional circuits by adapting the motor pulse width to match the required torque, on-chip detection of induced motor voltage to prevent loss of motor steps, detector for lithium or silver-oxide battery voltage levels, indication for battery end-of-life, stop function for accurate timing, power-on reset for fast testing, and various test modes for testing the mechanical parts of the watch and the IC.

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PCA1070 is a multistandard programmable analog CMOS transmission IC with features including line interface, peripheral circuit interface, and microphone and DTMF amplifiers.

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PMLL4148; PMLL4446; PMLL4448 are high-speed switching diodes, packaged in small hermetically sealed glass SOD80C SMD packages. Applications include high-speed switching and fast logic applications.

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This document describes a single high-speed switching diode, fabricated in planar technology, and encapsulated in small hermetically sealed glass SOD80C SMD packages. The product features a small hermetically sealed glass SMD package, high switching speed (≤4 ns), continuous reverse voltage (≤75 V), repetitive peak reverse voltage (≤100 V), and repetitive peak forward current (≤450 mA). It is suitable for high-speed switching and inverse-polarity protection.

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This datasheet provides detailed information on the PMLL4148 and PMLL4448 high-speed diodes, including package, outline, and technical specifications.

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This document is about the query information of the PML2852-35A supplier. The product has some features and characteristics, but the specific details need further analysis.

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PML260SN is a standard level N-channel enhancement mode field-effect transistor from Philips Semiconductors, packaged in a surface-mounted plastic package using TrenchMOS technology.

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PML2552-35A is a 35A model of the PML2552 series of three-terminal regulators. It has a working voltage range of 27.5V to 60V and an output voltage range of 3.3V to 60V. It has a low voltage drop and high reliability.

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This document describes the features and characteristics of a product named TDA1548T, which is an integrated circuit with headphone driver and DSP functions, and is a bitstream continuous calibration filter-DAC.

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TDA1549T is a stereo audio integrated circuit with 4fs data input up-sampling filter and bitstream continuous calibration DAC (BCC-DAC1) functions. It features easy application, finite-duration impulse-response filtering and noise shaping, wide dynamic range, low total harmonic distortion, no zero-crossing distortion, superior signal-to-noise ratio, etc.

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