ROHM Manuals (Industrial)

BH1621FVC is an analog current output ambient light sensor. This IC is the most suitable to obtain the ambient light data for adjusting LCD and Keypad backlight of Mobile phone for power saving and better visibility.

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This document describes the features and characteristics of the BH1721FVC digital ambient light sensor IC from ROHM. The sensor can obtain ambient light data through the I2C bus interface and is suitable for adjusting the LCD and keypad backlight power of mobile phones. It has a wide range and high resolution detection capability (1-65528 lx) and is compatible with various light sources. It is compact in size and does not require any external components.

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BH1751FVI is a digital Ambient Light Sensor IC with I2C bus interface. It is most suitable for obtaining ambient light data to adjust the LCD and keypad backlight power of mobile phones. It can detect a wide range of light intensity with high resolution (1-65535 lx). The features of this product include: I2C bus interface support, spectral responsibility similar to the human eye, conversion of illuminance to digital signal, wide range and high resolution, low power consumption, light noise rejection function for 50Hz/60Hz, 1.8V logic input interface, no need for external parts, minimal light source dependency (e.g. incandescent lamp, fluorescent lamp, etc.), two selectable I2C slave addresses, adjustable measurement result for optical window influence, small measurement variation (+/- 20%), minimal influence from infrared, and built-in power on reset circuit.

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BD9251FV is a single-chip integrated circuit that is used for human body detection applications. It has an ultra-low power design that can greatly reduce the standby power requirements of devices that are always in use, and it is space-saving, so there is no need to choose a mounting location.

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This datasheet introduces the features and characteristics of ROHM BD1020HFV temperature sensor IC. The sensor has low quiescent current (4µA) and high accuracy, can detect temperature, output voltage linearly varies with temperature.

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This document describes the features and characteristics of ROHM's Selection Operational Amplifier/Comparator Series products, including low operating voltage, full swing input and output, push-pull output type, high speed operation, and low supply current.

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This document is about the characteristics of BU7261G, BU7261SG, BU7295HFV, BU7295SHFV, BU7262F/FVM/NUX, BU7262SF/FVM/NUX, BU7264F, BU7264SF, BU7241G, BU7241SG, BU7275HFV, BU7275SHFV, BU7242F/FVM/NUX, BU7242S F/FVM/NUX, BU7244F, BU7244SF.

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This series of products is a low voltage CMOS operational amplifier, which is a single chip integrated with one or two independent output full swing operational amplifiers and phase compensation capacitors. It is especially suitable for applications with low voltage, low current and low input bias current.

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Low Voltage with High Speed CMOS Op-Amp integrates one independent output full swing Op-Amps and phase compensation capacitors on a single chip. Especially, this series is operable with low voltage, low supply current, high speed and low input bias current.

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BA3472,BA3472R,BA3474,BA3474R are high-performance, high-voltage operational amplifiers with wide input voltage range and high output drive capability.

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This document introduces the BD7561/BD7541 family and BD7562/BD7542 family products, including product features, characteristics, pin assignments and other information.

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LM358/324, LM2904/2902 series are universal standard operational amplifiers produced by ROHM, which integrate two independent op-amps and phase compensation capacitors on a single chip and feature high-gain, low power consumption, and an operating voltage range of 3[V] to 32[V] (single power supply).

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LM393MX,LM2903MX,LM339MX,LM2901MX are four general purpose comparators from ROHM. All four products are single chip packages and feature high gain, low power consumption and wide operating voltage range.

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The LM393/LM339/LM2903/LM2901 series of comparators are integrated circuits launched by Rohm, which feature high gain, low power consumption, and a wide voltage range. This series of products has commercial and industrial grades. The temperature range of commercial grade is 0℃ to 70℃. The temperature range of industrial grade is -40℃ to 125℃. The output stage of this series of products adopts open collector output, which can be compatible with single/dual power supply. The supply current is 0.4 mA (LM2903/393 series) and 1.1 mA (LM2901/339 series). The input bias current is 25 nA. The input offset current is 5 nA. The input voltage range includes ground. The differential input voltage can be applied to the absolute maximum rating ±36 V. The output voltage is TTL, MOS and CMOS compatible output.

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This datasheet introduces the functions, features, applications and technical parameters of BU4S66G2.

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BU4S01G2,BU4S11G2,BU4SU69G2,BU4S71G2,BU4S81G2, BU4S584G2 is a single-gate CMOS logic IC produced by ROHM. It is packaged in SSOP5 and has a power supply voltage range of 3V-16V. It features low power consumption, high input impedance, high fan-out, and is compatible with BU4000B series (1ch). It is suitable for use in applications that require low power consumption and high noise tolerance.

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GPIO expander is a useful tool for applications that lack IO ports. It can control GPIO output states using the I2C write protocol and detect GPIO input states using the I2C read protocol. Additionally, it has an interrupt function that frees the CPU from polling the registers in the GPIO expander. GPIO expanders also feature built-in power on reset, 3V tolerant input, and NMOS open-drain output.

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BU4066BC series is a four-channel single-pole double-throw switch that can control digital or analog signals. BU4051BC/BU4052BC/BU4053BC/BU4551B series are analog selectable composite multiplexers/demultiplexers. BU4051BC series is configured with 8 channels, BU4052BC series is configured with two 4 channels, BU4053BC series is configured with three 2 channels, BU4551B series is configured with four 2 channels, and switches applicable for each channel are turned on according to digital signals of control terminal. Even if the logic amplitude (VDD-VSS) of the control signal is small, signals of large amplitude (VDD-VEE) can be switched.

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