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MX7672：高速、12位ADC，带有外部基准输入

The MX7672 is a 12-bit, high-speed, BiCMOS, analog-to-digital converter (ADC) that performs conversions in as little as 3μs while consuming only 110mW of power. The MX7672 is a plug-in replacement for AD7672. The MX7672 requires an external -5V reference. A buffered reference input minimizes reference current requirements and allows a single reference to drive several ADCs. External reference specifications can be chosen to suit the accuracy of the application. The ADC clock can be driven from either a crystal or an external clock source, such as a microprocessor (µP) clock. Average input range is pin-selectable for 0 to +5V, 0 to +10V, or ±5V, making the ADC ideal for data-acquisition and analog input/output cards. A high-speed digital interface (125ns data-access time) with three-state data outputs is compatible with most µPs.

关键特性 Plug-In Replacement for AD7672 12-Bit Resolution and Accuracy Fast Conversion Time MX7672_ _03 - 3µs MX7672_ _05 - 5µs MX7672_ _10 - 10µs Operates with +5V and -12V Supplies Buffered Reference Input Low 110mW Power Consumption Choice of +5V, +10V, or ±5V Input Ranges Fast 125ns Bus-Access Time

MX7672：功能框图 应用 高速数据采集系统 电信

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