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ADRF6821 датащи(PDF) 11 Page - Analog Devices

номер детали ADRF6821
подробное описание детали  450 MHz to 2800 MHz, DPD RFIC with Integrated Fractional-N PLL and VCO
PDF  61 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

ADRF6821 датащи(HTML) 11 Page - Analog Devices

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Data Sheet
ADRF6821
Rev. A | Page 11 of 61
Pin No.
Mnemonic
Description
27
CS
SPI Chip Select (N).
28
RST
Reset (Active Low).
29
DCL_BIAS
VCO Core Bias Decouple.
30
VTUNE
VTUNE Input.
31
EXT_LO_IN+
Positive External LO Input.
32
EXT_LO_IN−
Negative External LO Input.
33
VCCVCO_3V3
VCC 3.3 V Supply.
34
VCCDIV_3V3
LO Chain and Divider 3.3 V Supply.
35
VCCFBDIV_3V3
PLL Feedback Divider 3.3 V Supply.
36
VCCLO_MIX_3V3
LO Mixer Output Buffer 3.3 V Supply.
37
VCCLO_AUX_3V3
LO External Output Buffer 3.3 V Supply.
38
LO_OUT+
Positive External LO Output.
39
LO_OUT−
Negative External LO Output.
40
GND
Charge Pump Ground.
41
CPOUT
Charge Pump Output.
42
VCCCP_3V3
Charge Pump 3.3 V Supply.
43
VCCPFD_3V3
PFD 3.3 V Supply.
44
VCCREF_3V3
Reference Input Buffer 3.3 V Supply.
45
REF_IN
Reference Input Buffer.
46
SPILDO_OUT_1V8
SPI 1.8 V LDO External Decouple Output.
47
SDMLDO_OUT_1V8
Sigma-Delta Modulator (SDM) 1.8 V LDO External Decouple Output.
48
VBAT_DIG_3V3
SPI and SDM LDO 3.3 V Input.
49
VCC_IFMIX_Q
Q Channel Mixer VCC Supply.
50
VDCPL_Q
Q Channel Mixer Decoupling.
51
VCC_IFMIX_Q
Q Channel IF Amplifier VCC Supply.
53
IF_QOUT−
Q Channel IF Negative Output.
54
IF_QOUT+
Q Channel IF Positive Output.
56
VCC_3V3_Q
Q Channel 3.3 V Supply.
EPAD
Exposed Pad. The exposed pad must be connected to a ground plane with low thermal impedance.



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