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— IC芯片 | 连接器 | 传感器 | 被动器件 —
The AD2S44UM14B is a dual-channel, 14-bit continuous tracking synchro/resolver-to-digital converter. It features independent Type II servo loop tracking converters within a single 32-lead hybrid package. The device provides ±2.6 arc minute accuracy over the −25°C to +85°C temperature range and ±4.0 arc minutes from −55°C to +125°C. It supports signal frequencies of 400 Hz to 2600 Hz with a typical tracking rate of 20 revolutions per second. Power consumption is approximately 1.9 W at ±15 V supplies.
Verify the specific voltage configuration suffix (Z code) required for the application, as options include 11.8V/26V or 90V/115V combinations. Confirm that the operating temperature range matches the ±2.6 arc minute accuracy specification if operating outside the −25°C to +85°C window. Ensure power supply stability within ±5% to maintain specified performance levels.
Select this component when space, weight, and cost are critical constraints requiring dual-channel conversion in a single package. Choose based on the required input signal format (synchro vs. resolver) and voltage levels. Note that external scaling resistors may be necessary for nonstandard signal voltages, which can impact accuracy if resistor matching is insufficient.
The AD2S44 series utilizes Analog Devices' proprietary BiMOS II process, combining CMOS digital logic with bipolar linear circuits for high reliability. It serves as a low-cost alternative to hybrid converters like the SDC/RDC1740 series or monolithic solutions such as the AD2S80A series. The device is designed for environments where long lead lengths and noise immunity are primary concerns.
Public confirmed substitute part numbers: None listed in documentation.