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ML2722 Folha de dados(PDF) 10 Page - Micro Linear Corporation |
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ML2722 Folha de dados(HTML) 10 Page - Micro Linear Corporation |
10 / 28 page ML2722 DS2722-F-05 FINAL DATASHEET DECEMBER 2003 10 PIN SIGNAL NAME I/O FUNCTION DIAGRAM MODE CONTROL AND INTERFACE LINES 1 XCEN I (CMOS) Enables the bandgap reference and voltage regulators when high. With XCEN low the device consumes only leakage current in STANDBY mode when low. XCEN low also preserves register contents and allows register writes. This is a CMOS input, and the thresholds are referenced to VDD and VSS. 1 VSS XCEN VDD RXON DIN 2 30 31 8 2 RXON I (CMOS) Switches the transceiver between TRANSMIT and RECEIVE modes. Circuits are powered up and signal paths reconfigured according to the operating mode. This is a CMOS input, and the thresholds are referenced to VDD and VSS. 1 VSS XCEN VDD RXON DIN 2 30 31 8 3 PAON O (CMOS) Enables the off-chip PA at the correct times in a Transmit slot. Goes high when transmit RF is present at TRFO; goes low 5µs before transmit RF is removed from TRFO. Has interlock logic to shut down the PA if the PLL does not lock. 31 VSS VDD 3 PAON 8 |
Nº de peça semelhante - ML2722 |
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Descrição semelhante - ML2722 |
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