SCANSTA476 Texas instruments

SCANSTA476

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SCANSTA476

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Описание

The SCANSTA476 is a low power, Analog Voltage Monitor used for sampling or monitoring up to 8 analog/mixed-signal input channels. Analog Voltage Monitors are valuable during product development, environmental test, production, and field service for verifying and monitoring power supply and reference voltages. In a supervisory role, the 'STA476 is useful for card or system-level health monitoring and prognostics applications. Instead of requiring an external microcontroller with a GPIO interface, the 'STA476 features a common IEEE 1149.1 (JTAG) interface to select the analog input, initiate a measurement, and access the results - further extending the capabilities of an existing JTAG infrastructure. The SCANSTA476 uses the VREF input as a reference. This enables the SCANSTA476 to operate with a full-scale input range of 0 to VDD, which can range from +2.7V to +5.5V. The SCANSTA476 is packaged in a 16-lead non-pullback WSON package that provides an extremely small footprint for applications where space is a critical consideration. This product operates over the industrial temperature range of −40°C to +85°C.

Eight Selectable Analog Input Channels
Analog Full-Scale Input Range 0V to V_DD
Typical Accuracy of 2 mV at Maximum V_DD
Very Low Power Operation
Small Package Footprint in 16-Lead, 5 x 5 x 0.8 mm WSON
Single +2.7V to +5.5V Supply Operation
IEEE 1149.1 (JTAG) Compliant Interface

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Protocols	Catalog
Rating	Catalog
Operating temperature range (°C)	-40 to 85