EV-ADF4157SD1Z 查看數據表（PDF） - Analog Devices
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EV-ADF4157SD1Z Datasheet PDF : 24 Pages
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Data Sheet
ADF4157
TSSOP
Pin No.
15
LFCSP
Pin No.
16, 17
Mnemonic
DVDD
16
18
VP
N/A
21 (EPAD) Exposed Pad
(EPAD)
Description
Positive Power Supply for the Digital Section. Decoupling capacitors to the digital ground
plane should be placed as close as possible to this pin. DVDD has a value of 3 V ± 10%. DVDD
must have the same voltage as AVDD.
Charge Pump Power Supply. This should be greater than or equal to VDD. In systems where VDD
is 3 V, it can be set to 5.5 V and used to drive a VCO with a tuning range of up to 5.5 V.
It is recommended that the exposed pad be thermally connected to a copper plane for
enhanced thermal performance. The pad should be connected to AGND.
Rev. D | Page 7 of 24
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