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AD1994_15 Datasheet, PDF (7/24 Pages) Analog Devices – Audio Switching Amplifier
Pin No.
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64
AD1994
Mnemonic
In/Out Description
NFR+
I
Right Channel Negative Feedback—Noninverting Input.
NFR−
I
Right Channel Negative Feedback—Inverting Input.
NC
No Connection—Should Be Left Floating.
AINR
I
Analog Input for Right Channel.
NC
No Connection—Should Be Left Floating.
REF_FILT
O
Filter Pin for Band Gap Reference—Should Be Bypassed to AGND.
AGND
Negative Power Supply for Low Power Analog Circuitry.
AVDD
Positive Power Supply for Low Power Analog Circuitry.
MOD_FILT
O
Modulator Filter Pin—Used to Set Time Constant of Modulator Order Reduction Circuit.
NC
No Connection—Should Be Left Floating.
AINL
O
Analog Input for Left Channel.
NC
No connection—Should Be Left Floating.
NFL−
I
Left Channel Negative Feedback—Inverting Input.
NFL+
I
Left Channel Negative Feedback—Noninverting Input.
OBSOLETE MONO_EN
I
Mono Mode Enable Pin—When Pulled Up to Logic High.
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