AD1990 查看數據表（PDF） - Analog Devices
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AD1990 Datasheet PDF : 16 Pages
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AD1990
Pin No.
52, 54, 59, 61
53
55
56
57
58
60
62
63
64
Mnemonic
NC
AINR
REF_FILT
AGND
AVDD
MOD_FILT
AINL
NFL−
NFL+
PGND1
In/Out
I
O
O
O
I
I
Description
No Connection—Should Be Left Floating.
Analog Input for Right Channel.
Filter Pin for Band Gap Reference—Should Be Bypassed to AGND.
Negative Power Supply for Low Power Analog Circuitry.
Positive Power Supply for Low Power Analog Circuitry.
Modulator Filter Pin—Used to Set Time Constant of Modulator Order Reduction Circuit.
Analog Input for Left Channel.
Left Channel Negative Feedback—Inverting Input.
Left Channel Negative Feedback—Noninverting Input.
Negative Power Supply. Used for the A2 and B2 high power transistors.
Rev. 0 | Page 7 of 16
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