MX7847BR+

Reference Type:	External
Base Part Number:	MX7847
Supplier Device Package:	24-SOIC
Package / Case:	24-SOIC (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 85°C
Architecture:	R-2R
INL/DNL (LSB):	±0.5 (Max), ±1 (Max)
Voltage - Supply, Digital:	--
Voltage - Supply, Analog:	±11.4 V ~ 16.5 V
Series:	--
Data Interface:	Parallel
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	4µs (Typ)
Number of D/A Converters:	2
Number of Bits:	12
Part Status:	Active
Packaging:	Tube

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Data Acquisition: Digital to Analog Converters (DAC) – MX7847BR+ Application Field and Working PrincipleThe MX7847BR+ from Maxim Integrated is a high-performance, high-voltage Digital to Analog Converter (DAC) for the automotive industry. The device is designed to provide a 500V single-rail supply, and a high level of configurability to meet specific system requirements. In addition, the MX7847BR+ also has a programmable output range of 0 to 5 V, allowing users to configure the device for most automotive applications.The MX7847BR+ consists of two parts: an analog and a digital component. The analog component is comprised of a power conversion architecture and a low noise amplifier, while the digital component consists of a digital-to-analog converters (DAC) and a digital signal controller (DSC). The analog component is responsible for generating the high-voltage power conversion, while the digital component performs the signal conditioning and digital signal processing necessary to enable accurate and efficient operation of the MX7847BR+ device.The MX7847BR+’s advanced digital signal controller (DSC) allows the MX7847BR+ to respond to a wide range of digital inputs, ranging from 0 to 15V. The DSC can also be configured for different speed operations by manipulating the bias voltage on the pins. The DSC is powered by an internal oscillator, which is adjustable to achieve different parameter values. The DSC also supports an interrupt signal, which can be used to generate interrupts whenever the DAC output value is outside of its predetermined range.The DAC section of the MX7847BR+ consists of 10-bit resolution and 8-bit resolution programmable analog-to-digital converters (ADCs). The resolution of the ADC is controlled via the control bits, which can be programmed from 0 to 255. The DAC provides up to 5V of output with a programmable output range and programmable attenuation, allowing it to be used with a variety of automotive applications.The power conversion architecture of the MX7847BR+ is designed to provide high performance and high accuracy in the power conversion operation. The MX7847BR+ is designed to work with a single 12V rail, and has a maximum single output voltage of 500V. The power conversion architecture is designed to provide high resolution and low noise operation, while providing optimal system efficiency.The MX7847BR+ also has an inductive current limiting and overload protection circuit, which helps protect the device from damage in the case of an output overload. The device also includes configurable open-loop and closed-loop protection circuitry allowing the user to customize the device for specific applications.In summary, the MX7847BR+ from Maxim Integrated is a high-performance, high-voltage Digital to Analog Converter (DAC) for the automotive industry. The device is designed to provide a 500V single-rail supply, and a high level of configurability to meet specific system requirements. The device has a programmable output range of 0 to 5V and is equipped with a power conversion architecture and a low noise amplifier for efficient operation. The device has an inductive current limiting and overload protection circuit, and provides configurable open-loop and closed-loop protection circuitry, allowing users to customize the device for very specific applications.

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