EV-ADF4157SD1Z データシートの表示（PDF） - Analog Devices

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EV-ADF4157SD1Z

High Resolution 6 GHz Fractional-N Frequency Synthesizer

Analog Devices 

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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