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SA1638 Datasheet(PDF) 4 Page - NXP Semiconductors |
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SA1638 Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 26 page Philips Semiconductors Product specification SA1638 Low voltage IF I/Q transceiver 1997 Sept 03 4 PIN DESCRIPTIONS Pin No. Pin Name Description 1 VREG1 Output voltage of regulator 1 2 VREGF2 Feedback of regulator 2 3 VREG2 Output voltage of regulator 2 4 GNDREG2 Ground of regulator 2 5 PON Power-on input for voltage regulators 1 and 2 (active high) 6 VBATT Input voltage for regulators 1 and 2 7 AOUT Programmable logic output (see Figure 9) 8 BOUT Programmable logic output (see Figure 9) 9 DCRES Reference current setting resistor for DC offset circuit 10 RESD Additional external current defining resistor for filters 11 RESA Principal external current defining resistor for filters 12 RESB Principal external current defining resistor for filters 13 PONRx Power-on input for Rx (active high) 14 VREF Reference voltage 15 QRxOUT Differential receive baseband output 16 QRxOUTX Differential receive baseband output 17 IRxOUT Differential receive baseband output 18 IRxOUTX Differential receive baseband output 19 QTx IN Differential transmit baseband input 20 QTx INX Differential transmit baseband input 21 ITx IN Differential transmit baseband input 22 ITx INX Differential transmit baseband input 23 PDTx Power-on for transmitter (active low) 24 VCCDIG Digital circuit supply 25 VEEDIG Digital ground 26 DATA Serial bus data input 27 CLOCK Serial bus clock input 28 STROBE Serial bus strobe input 29 LOCK Test control/synthesizer lock indicator 30 CLK INX Differential reference divider input 31 CLK IN Differential reference divider input 32 ADJ IN Used for test only. Do not connect 33 LO IN Differential LO input 34 LO INX Differential LO input 35 IREF Reference current setting for charge pump 36 VEECP Charge pump ground 37 CP Charge pump output 38 VCCCP Charge pump circuit supply 39 POnPLL Power-on input for synthesizer circuits (active high) 40 GND3 Ground (internal connection to GND1 and GND2) 41 TxIFOUTX Differential transmit IFoutput (open collector) 42 TxIFOUT Differential transmit IFoutput (open collector) 43 GND2 Ground (internal connection to GND1 and GND3) 44 RxIF INX Differential receive IF input 45 RxIF IN Differential receive IF input 46 GND1 Ground (internal connection to GND2 and GND3) 47 VCCTxRx Transmit and receive circuits supply voltage (also feedback of Regulator 1) 48 GNDREG1 Ground of regulator 1 NOTE: There are no ESD protection diodes at Pins 41 and 42. Thus, open collector outputs may have increased DC voltage or higher AC peak voltage. |
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