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ML2722DH Datasheet(PDF) 7 Page - Micro Linear Corporation |
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ML2722DH Datasheet(HTML) 7 Page - Micro Linear Corporation |
7 / 28 page ML2722 DS2722-F-06 FINAL DATASHEET DECEMBER 2005 7 PIN DESCRIPTIONS PIN SIGNAL NAME I/O FUNCTION DIAGRAM POWER & GROUND 8 VSS I (Digital) Ground for digital I/O circuits and control logic. 10 RVCC1 O (Analog) DC power supply decoupling point for the PLL dividers, phase detector, and charge pump. This pin is connected to the output of the regulator and to the PLL supplies. There must be a capacitor to ground from this pin to decouple (bypass) noise and to stabilize the regulator. 12 GND I (Analog) Ground for the PLL dividers, phase detector, and charge pump. 13 VCC2 I (Analog) DC Power Supply Input to the VCO voltage regulator. Must be connected to RVCC6 (pin 27) or RVCC7 (pin 29) via decoupling network. 14 RVCC3 O (Analog) DC power supply decoupling point for the VCO. Connected to the output of the VCO regulator. A capacitor must be tied between this pin and ground to decouple (bypass) noise and to stabilize the regulator. 16 GND I (Analog) DC ground for VCO and LO circuits. 17 GND I (Analog) Signal ground for RF small signal circuits. Pins 17, 18, and 19 should have short, direct connections to each other and additional connections to ground. 18 GND I (Analog) Ground return for the Receive RF input. 19 GND I (Analog) Signal ground for the Receive mixers. 20 GND I (Analog) DC and Signal ground for the Transmit RF Output buffer. 22 RVCC4 O (Analog) DC power supply decoupling point for the LO chain. Connected to the output of a regulator. There must be a capacitor to ground from this pin to decouple (bypass) noise and to stabilize the regulator. 24 VCC5 I (Analog) DC power supply input to voltage Regulators and unregulated loads. VCC5 is the main (or master) analog VCC pin. There must be a capacitor to ground from this pin to decouple (bypass) noise and to stabilize the regulator. 25 GND I (Analog) DC ground to IF, Demodulator, and Data Slicer circuits. |
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