DAC identification — The AD7524 is widely known as an 8-bit D/A converter that implements an R-2R ladder network. Evaluate this specification.

Introduction / Context:
Understanding common DAC architectures helps in selecting parts and interpreting datasheets. The AD7524 is a classic 8-bit multiplying DAC that uses an R-2R ladder to generate an output proportional to a reference. Recognizing its architecture aids in predicting behavior such as linearity, settling time, and output compliance.

Given Data / Assumptions:

• Device: AD7524-class 8-bit DAC.
• Architecture: R-2R ladder network feeding a current output.
• External op-amp typically used to convert current to voltage (I-to-V).

Concept / Approach:
R-2R ladders implement binary-weighted currents or voltages using only two resistor values, simplifying matching and scaling across bits. The AD7524 uses MOS switches to steer ladder currents relative to a reference, producing a code-proportional output that is then usually converted by an op-amp to a voltage. This matches the description in the statement.

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