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ADRF6614ACPZ-R7 数据表(PDF) 11 Page - Analog Devices |
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ADRF6614ACPZ-R7 数据表(HTML) 11 Page - Analog Devices |
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11 / 61 page ![]() Data Sheet ADRF6614 Rev. 0 | Page 11 of 61 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS 1 2 3 4 5 6 7 8 9 10 11 12 35 36 34 33 32 31 30 29 28 27 26 25 ADRF6614 TOP VIEW (Not to Scale) GND VCOVTUNE GND EXTVCOIN+ EXTVCOIN– GND VCC1 DECL1 DECL2 DECL3 DECL4 DECL5 RFIN1 VCC10 VCC9 VCC8 VCC7 LDO2 VCC6 VCC5 VCC4 RFIN2 RFBCT2 RFBCT1 NOTES 1. DNC = DO NOT CONNECT. 2. THE EXPOSED PAD MUST BE CONNECTED TO A GROUND PLANE WITH LOW THERMAL IMPEDANCE. Figure 3. Pin Configuration Table 10. Pin Function Descriptions Pin No. Mnemonic Description 1 GND Common Ground Connection for External Loop Filter. 2 VCOVTUNE Control Voltage for Internal VCO. 3, 6 GND Common Ground for External VCO. 4, 5 EXTVCOIN+, EXTVCOIN− Inputs from External VCO to Internal Divider. 7 VCC1 3.7 V VCO Supply. 8, 9 DECL1, DECL2 LDO Output Decouplers for VCO. 10, 11 DECL3, DECL4 External Decouplers for VCO Buffer. 12 DECL5 External Decoupler for VCO Circuitry. 13, 14 LOOUT+, LOOUT− Differential Outputs of Internally Generated LO. 15 LDO1 External Decoupling for Internal 2.5 V SPI Port LDO. 16 VCC2 3.7 V Supply for Programmable SPI Port. 17 SDIO Serial Data Input/Output for Programmable SPI Port. 18 SCLK Clock for Programmable SPI Port. 19 CS SPI Chip Select, Active Low. 20, 41 VCC3, VCC11 5 V Biases for Channel 1 and Channel 2 IF. 21, 40 DNC Do Not Connect. Do not connect these pins externally. 22, 23 IFOUT2+, IFOUT2− Channel 2 Differential IF Outputs. 24, 37 GND Ground Connections for Channel 1 and Channel 2 IF Stage. 25 RFBCT2 Balun Center Tap Connection for Channel 2 RF Input. 26 RFIN2 Channel 2 RF Input. 27, 28, 29 VCC4, VCC5, VCC6 5 V Supplies for Mixer LO Amplifiers. 30 LDO2 External Decoupling for Internal 3.3 V PLL/Divider LDO. 31 VCC7 3.7 V Supply for Mixer LO Divider Chain. 32, 33, 34 VCC8, VCC9, VCC10 5 V Supplies for Mixer LO Amplifiers. 35 RFIN1 Channel 1 RF Input. 36 RFBCT1 Balun Center Tap Connection for Channel 1 RF Input. 38, 39 IFOUT1−, IFOUT1+ Channel 1 Differential IF Outputs. 42 MUXOUT Internal Multiplexer Output. |
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