BU94705KV-E2

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BU94705KV-E2 is an all-in-one line driver and line receiver devices, designed for digital data transmission between control and peripheral circuits over balanced transmission line of RS-485, as well as EIA-530 standard. It has been widely used as an interface device in a variety of devices, including audio and video systems, optical transceiver, digital TV, home automation, printers and so on.

The built-in EIA-530 standard makes sure that the present of the digital line driver and line receiver when connected with information processing equipment. The core logic provides differential EIA-530 and RS-485 compatibility, low noise and low EMI/RFI emissions. It also offers fail-safe and anti-collision algorithms for reliability, as well as noise immunity for reliable data transmission at various rate from 250kbps to 20Mbps.

BU94705KV-E2 is specifically designed for applications specialized in high speed transmission. Its wide supply voltage ranges from 3.3V to 5.5V and the CMTI (Common mode transient immunity) is ±4kV/min., enabling it to be used for automotive applications and harsh industrial environments. It is also capable of highly accurate pulse decoding and pulse width control, and provides a selectable output power, ±12V or ±15V.

The working principle of BU94705KV-E2 revolves around four main devices: the line driver, the line receiver, the transceiver and the register. The line driver sends digital data over a balanced transmission line, while the line receiver receives the digital data sent by the line driver. The transceiver converts the digital data into analog signals, which are then transmitted to the register. The register stores the data and performs various functions, such as parity checking and error detection.

Once the data arrives at the register, it is converted into a digital output format and ready to be used. The output can be either TTL or Open Collector. The TTL output is a single high-level logic signal, while the Open Collector output can be active high or active low. The BU94705KV-E2 also features selectable output power, up to ±15V for improved performance and compatibility with downstream devices.

The BU94705KV-E2 is an ideal device for controlling and communication interface between two circuit points. It is a reliable and cost-effective interface device for digital data transmission over balanced transmission line. It provides noise immunity, high speed transmission, improved performance and compatibility with downstream devices, making it an ideal choice for a variety of applications.

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