ADRF6720-27ACPZ-R7 datasheet(38/44 Pages) AD

Teilenummer	ADRF6720-27ACPZ-R7

Bauteilbeschribung	Wideband Quadrature Modulator with Integrated Fractional-N PLL and VCOs

PDF	44 Pages

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38 / 44 page

Data Sheet

ADRF6720-27

Rev. B | Page 37 of 43

Bits

Bit Name

Settings

Description

Reset

Access

[2:0]

REF_SEL

Set REF Input Multiply/Divide Ratio.

0x3

000

×2.

001

×1.

010

Divide by 2.

011

Divide by 4.

100

Divide by 8.

Address: 0x22, Reset: 0x2A03, Name: VCO_CTL

Table 23. Bit Descriptions for VCO_CTL

Bits

Bit Name

Settings

Description

Reset

Access

[15:12]

VCO_LDO_R4SEL

VCO LDO Resistor 4 Selections.

0x2

[11:8]

VCO_LDO_R2SEL

VCO LDO Resistor 2 Selections.

0xA

[7:6]

LO_DRV_LVL

Set External LO Output Amplitude.

0x0

−5.8 dBm.

−1.0 dBm.

+2.2 dBm.

DRVDIV2_EN

Divide by 2 for External LO Driver Enable.

0x0

Disable.

Enable.

DIV8_EN

Divide by 2 in LO Path for Total Division of 8.

0x0

Disable.

Enable.

DIV4_EN

Divide by 2 in LO Path for Total Division of 4.

0x0

Disable.

Enable.

ADRF6720-27ACPZ-R7 Datenblatt(PDF) 38 Page - Analog Devices

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