ML2722DH Sirenza Microdevices, ML2722DH Datasheet

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... PART NUMBER TEMPERATURE RANGE PACKAGE o o ML2722DH - +60 C 32TQFP 7x7x1mm o o ML2722DH-T - +60 C 32TQFP 7x7x1mm DS2722-F-06 FEATURES Single chip ISM band 900MHz Radio Transceiver with -1dBm transmit output power 1.5Mbps maximum data rate Typical receiver sensitivity: -95dBm at 12.5% CER Fully integrated frequency synthesizer with internal ...

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TABLE OF CONTENTS GENERAL DESCRIPTION ........................................................................................................................................... 1 PIN CONFIGURATION ................................................................................................................................................. 1 ORDERING INFORMATION ........................................................................................................................................ 1 FEATURES ................................................................................................................................................................... 1 APPLICATIONS ............................................................................................................................................................ 1 BLOCK DIAGRAM ........................................................................................................................................................ 1 TABLE OF CONTENTS ................................................................................................................................................ 2 SIMPLIFIED APPLICATIONS DIAGRAM ..................................................................................................................... 3 ELECTRICAL CHARACTERISTICS............................................................................................................................. 4 PIN DESCRIPTIONS.................................................................................................................................................... ...

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SIMPLIFIED APPLICATIONS DIAGRAM ANTENNA LNA RF PIN SWITCH DIODE DRIVERS SWITCH PA DS2722-F-06 ML2722 RRFI MATCHING NETWORK IMAGE REJECT MIXER PAON, TPC 2 TRFO QUADRATURE FILTER DIVIDE BY 2 1.83GHz VCO TX RF BUFFER Figure 1. Simplified Application Diagram FINAL ...

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ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. VDD, VCC5 ................................................................................................................................................................. 6.0V VSS, GND ............................................................................................................................................................. ...

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RECEIVER Z Receiver RF impedance IN NF Receiver RF noise figure DR Data Rate RX S Input Sensitivity BW Bandwidth RX P Maximum RX RF input IMAX I Receiver input IP3 IP3 LO Leakage at RXI IRR Receive RF mixer ...

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TRANSMIT RF BUFFER P Driver amplifier output power OUT Driver amplifier output return loss TRANSMIT MODULATION f Modulation Deviation, internal DEV VCO f Modulation center frequency OS offset TRANSMIT DATA FILTER BW Transmit data filter bandwidth TX INTERFACE LOGIC LEVELS ...

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PIN DESCRIPTIONS PIN SIGNAL I/O NAME POWER & GROUND 8 VSS I (Digital) 10 RVCC1 O (Analog) 12 GND I (Analog) 13 VCC2 I (Analog) 14 RVCC3 O (Analog) 16 GND I (Analog) 17 GND I (Analog) 18 GND I ...

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RVCC6 O (Analog) 29 RVCC7 O (Analog) 31 VDD I (Digital) TRANSMIT/RECEIVE 21 RRFI I (Analog) DS2722-F-06 DC power supply decoupling point for Quadrature Mixer and IF filter circuits. A capacitor must be tied between this pin and ground ...

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TRFO O (Analog) DATA 30 DIN I (CMOS) 32 DOUT O (CMOS) DS2722-F-06 Transmit RF Output. This output is an emitter follower and should be AC coupled. Transmit Data Input. Drives the transmit pulse shaping circuits. Serial digital data ...

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MODE CONTROL AND INTERFACE LINES 1 XCEN I (CMOS) 2 RXON I (CMOS) 3 PAON O (CMOS) DS2722-F-06 Enables the bandgap reference and voltage regulators when high. With XCEN low the device consumes only leakage current in STANDBY mode when ...

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TPC/TPQ O (Open Drain) 9 REF I 11 QPO O DS2722-F-06 Transmit power control output. This open-drain output is pulled low when the TPC bit in serial register #0 is set. Transitions on TPC are synchronized to the falling ...

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VTUNE I 26 VBG O 28 RSSI/TPI O SERIAL BUS SIGNALS (CMOS) 5 DATA I (CMOS) 6 CLK I (CMOS) DS2722-F-06 VCO Tuning Voltage input from the PLL loop filter. This pin is very sensitive to ...

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FUNCTIONAL DESCRIPTION The ML2722 enables the design and manufacture of low-cost, high-performance FSK transceivers. It can also be used as a 900MHz digital cordless telephone transceiver. Integral to the ML2722 is a low-IF receiver whose LO port is driven from ...

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VDD 31 VBG 26 DC VCC5 24 REGULATORS QUADRATURE M IXERS RRFI BUFFER TRFO VSS QPO G ND DS2722-F-06 RVCC1 RVCC3 RVCC4 RVCC6 DEM OD ...

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MODES OF OPERATION OVERVIEW All circuits powered down, except the control interface (Static CMOS) STANDBY: Receiver circuits active RECEIVE: PLL open loop, modulated RF output available from the IC TRANSMIT: The two operational modes are RECEIVE and TRANSMIT. They are ...

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Receive Signal Strength Indication (RSSI) RSSI is an indication of field strength typically used to control transmit power to conserve battery life. It may also be used to determine if a given channel is occupied (see Figure 3). ...

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Prior to transmitting the PLL must tune to the intended RF center frequency of the transmission. This occurs in TXCAL mode. The Transmit modulation is disabled and any input on the DIN (pin 30) is ignored. The transmit output buffer ...

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CONTROL INTERFACES There are two control interfaces: PARALLEL and SERIAL. PARALLEL INTERFACE The parallel interface provides immediate control and monitoring of the ML2722. Input signals include: Transceiver enable. Places the ML2722 in Standby or Active (when asserted) modes. XCEN: Receive ...

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SYMBOL CLK MSB DB13 DB12 DATA REGISTER DATA (14 BITS) EN Figure 4. Serial Bus Timing for Address and Data ...

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CONTROL INTERFACES AND REGISTER DESCRIPTIONS REGISTER INFORMATION A unidirectional 3-wire serial bus sets the ML2722’s transceiver parameters and programs the PLL circuits. Programming is performed by entering 16-bit words into the ML2722 serial interface. Three 16-bit registers are partitioned such ...

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DATA BIT NAME B15 (MSB) / DB13 Reserved B14 / DB12 Reserved B13 / DB11 Reserved B12 / DB10 Reserved B11 / DB9 Reserved B10 / DB8 Reserved B9 / DB7 Reserved B8 / DB6 Reserved B7 / DB5 TPC ...

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DATA BIT NAME B15 (MSB) / DB13 Reserved B14 / DB12 Reserved B13 / DB11 Reserved B12 / DB10 Reserved B11 / DB9 Reserved B10 / DB8 Reserved B9 / DB7 Reserved B8 / DB6 Reserved B7 / DB5 DTM2 ...

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REGISTER #0, PLL CONFIGURATION PLL Charge Pump Polarity (QPP): DB0 This bit sets the charge pump polarity to sink or source current. For a majority of applications, this bit is cleared (QPP = 0). For applications where an external amplifier ...

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Transmit Closed Loop Bit (TXCL): DB4 Used to produce a continuous CW transmitter output for product test with RXON low (see Table 11). Transmit Power Control Bit (TPC): DB5 Controls the state of the TPC/TPQ open-drain output (pin 7). Although ...

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REGISTER #2, FILTER TUNING SELECT TEST MODE Analog Test Control Bits (ATM): <DB2:DB0> The test mode selected is described in Table 14. The performance of the ML2722 is not specified in these test modes. Although primarily intended for IC test ...

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REF is the master reference frequency for the transceiver. It supplies the frequency reference for the RF channel frequency and the filter tuning. The REF pin is a CMOS input with internal biasing resistors. It can be AC coupled through ...

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PHYSICAL DIMENSIONS (INCHES/MILLIMETERS) 0.354 BSC (9.00 BSC) 0.276 BSC (7.00 BSC) 1 PIN 0.032 BSC (0.8 BSC) Note: This package meets “Green” Pb-Free requirements and is compliant with the European Union directives WEEE (Waste Electrical and Electronic ...

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WARRANTY Micro Linear makes no representations or warranties with respect to the accuracy, utility, or completeness of the contents of this publication and reserves the right to make changes to specifications and product descriptions at any time without notice. No ...