TLC7524ENG4

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The TLC7524ENG4 is an 8-bit digital-to-analog converter (DAC) based on a binary-weighted resistor network architecture. It was specifically designed to address the requirements of digital data acquisition and control applications, offering superior programming and settling time performance. The device had remote program and data capability, making it ideal for distributed, multi-channel systems.

The TLC7524ENG4 is suitable for a variety of industrial and consumer applications requiring analog output control driven by digital logic inputs. These applications range from adjustable voltage regulators and motor control applications all the way to graphics displays and audio sound generation. The device’s eight channels can be configured for single-ended or pseudo-differential operation, giving designers a wide range of options for interfacing to the outputs of other digital circuits.

At the heart of the TLC7524ENG4 is an 8-bit resistor network consisting of 2^8 resistors. This resistor network has 256 distinct endpoints and is connected to 8 output pins, each with its own dedicated resistor. By programming these resistors, the DAC is able to output a specific analog voltage based on the binary number stored in its digital inputs. This technique eliminates the need for precision reference voltages, and allows for the direct digital control of the device.

The TLC7524ENG4 features a built-in on-chip Voltage Reference Generator (VRG) that serves to automatically adjust the voltage output based upon temperature. The VRG is temperature compensated over 0°C to +70°C, and allows for single supply operation from as low as 4.75V to as high as 15V. Additionally, this device is compatible with a wide range of logic families, including various CMOS, ECL, and TTL families.

The TLC7524ENG4’s 8-bit resolution allows for up to 255 steps of programmable setpoints, making it suitable for many precision control applications. The device’s on-chip latch can be used to store data and recall it as needed, as well as provide pointer data for multi-channel control. This latch can be programmed to output either the current or preloaded data on the next LDAC cycle, allowing for greater flexibility when programming.

Additionally, the latch is designed to minimize loading when changing from one setpoint to another. This minimal loading reduces settling time and provides an unparalleled level of accuracy. The TLC7524ENG4 further boasts an on-board power-on reset circuit that automatically sets the output to a default state when the power supply is turned on.

The TLC7524ENG4 offers a high degree of precision and flexibility, making it a perfect choice for distributed data acquisition and control applications. Its 8-bit resolution and temperature compensated VRG, along with its high level of programming accuracy and low external component loading, make it a preferred choice for applications requiring precision and accuracy in its outputs.

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