MM908E624ACEWSLASHR2 datasheet(20/40 Pages) FREESCALE

20 / 40 page

Analog Integrated Circuit Device Data

Freescale Semiconductor

908E624

FUNCTIONAL DESCRIPTION

FUNCTIONAL TERMINAL DESCRIPTION

CURRENT SENSE OPERATIONAL AMPLIFIER

TERMINALS (E+, E-, OUT, VCC)

These are the terminals of the single-supply current sense

operational amplifier.

• The E+ and E- input terminals are the non-inverting and

inverting inputs of the current sense operational

amplifier, respectively.

• The OUT terminal is the output terminal of the current

sense operational amplifier.

• The VCC terminal is the +5.0 V single-supply

connection.

Note

If the operational amplifier is not used, it is possible

to connect all terminals (E+, E-, OUT and VCC) to GND - in

this case all of the four terminals must be grounded.

+5.0 V VOLTAGE REGULATOR OUTPUT

TERMINAL (VDD)

The VDD terminal is needed to place an external capacitor

to stabilize the regulated output voltage. The VDD terminal is

intended to supply the embedded microcontroller. The

terminal is protected against shorts to GND with an integrated

current limit (temperature shutdown could occur).

Important

The VDD, EVDD, VDDA, and VREFH terminals

must be connected together.

VOLTAGE REGULATOR AND CURRENT SENSE

AMPLIFIER GROUND TERMINAL (AGND)

The AGND terminal is the ground terminal of the voltage

regulator and the current sense operational amplifier.

Important

GND, AGND, VSS, EVSS, VSSA, and VREFL

terminals must be connected together.

NO CONNECT TERMINALS (NC)

The NC terminals are not connected internally.

Note

Each of the NC terminals can be left open or

connected to ground (recommended).

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