Plasma DisplayCircuit using ICL7135 A/D Converter
The ICL7135 is a high-precision, low-power, integrating Analog to Digital Converter (ADC) that is well-suited for applications requiring accurate digital representations of analog signals. In the context of driving a plasma-type display, the circuit utilizes the ICL7135 to convert the analog voltage levels generated by the display's control signals into a digital format that can be processed and displayed.
The schematic typically includes the following key components: the ICL7135 ADC, power supply connections, input signal conditioning circuitry, and output interfaces for driving the plasma display. The input stage may consist of operational amplifiers configured to amplify and filter the analog signals to ensure they are within the acceptable range for the ADC.
The ICL7135 operates by integrating the input voltage over a specified time period, allowing it to provide high-resolution measurements. Its output is a binary-coded decimal (BCD) format, which can be easily interfaced with digital display drivers. The circuit may also incorporate additional elements such as reference voltage sources, timing control circuits, and multiplexers to manage multiple input signals.
In summary, the circuit diagram for driving a plasma-type display using the ICL7135 ADC exemplifies the device's versatility and capability to provide accurate digital conversions for various applications, particularly in display technologies.A circuit diagram for driving a plasma-type display using ICL7135 is shown in the following schematic. This application is one of the wide versatility variety of this integrating Analog to Digital Converter device
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