MAX7058ATG+ Maxim Integrated Products, MAX7058ATG+ Datasheet

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... Internal Switched Capacitors for Optimum Dual- Frequency Operation ♦ 8.0mA DC Current Drain (50% Duty Cycle OOK) ♦ 0.8µA Standby Current ♦ Small 4mm x 4mm, 24-Pin Thin QFN Package Applications PART MAX7058ATG+ - 40° 125°C + Denotes a lead-free package Exposed paddle. N. N.C. ...

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Dual-Frequency ASK Transmitter ABSOLUTE MAXIMUM RATINGS Supply Voltage, AVDD, DVDD, PAVDD to GND (Exposed Paddle) ...................................………..……………-0.3V to +4V All Other Pins ………..…Exposed Paddle - 0.3V to (VDD + 0.3V) Continuous Power Dissipation (T = +70°C) A 24-Pin TQFN (derate ...

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AC ELECTRICAL CHARACTERISTICS ( Typical Operating Circuit , 50Ω system impedance, AVDD = DVDD = PAVDD = +2.1V to +3.6V, f -40°C to +125°C, unless otherwise noted. Typical values are at AVDD = DVDD = PAVDD = +2.7V, T noted. ...

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Dual-Frequency ASK Transmitter AC ELECTRICAL CHARACTERISTICS (continued) ( Typical Operating Circuit , 50Ω system impedance, AVDD = DVDD = PAVDD = +2.1V to +3.6V, f -40°C to +125°C, unless otherwise noted. Typical values are at AVDD = DVDD = ...

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A SUPPLY CURRENT vs. SUPPLY VOLTAGE 315MHz +85°C and +125° +25° -40° ...

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Dual-Frequency ASK Transmitter (T = +25°C, unless otherwise noted.) A REFERENCE SPUR MAGNITUDE vs. SUPPLY VOLTAGE -45.5 -46.0 -46.5 390MHz -47.0 -47.5 -48.0 -48.5 -49.0 -49.5 315MHz -50.0 2.1 2.6 3.1 SUPPLY VOLTAGE (V) EFFICIENCY vs. SUPPLY VOLTAGE 40 ...

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PIN NAME 12, 13, 18, 19, N.C. No Connection. Internally not connected. 24 Digital Positive Supply Voltage. Bypass to GND with 0.1μF and 0.01μF capacitors placed as close to 2 DVDD the pin as possible. Frequency Select. ...

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Dual-Frequency ASK Transmitter Detailed Description The MAX7058 alternately transmits OOK/ASK data at 315MHz or 390MHz using a single crystal. The device has integrated tuning capacitors at the output of the power amplifier to ensure high efficiency at each fre- ...

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TOGGLE and FSEL are two pins available for control- ling the state of the toggle mode and the operating fre- quency. The following truth table defines the pin logic for the four possible operating states. Table 1. Toggle Pin Operation ...

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Dual-Frequency ASK Transmitter When the particular capacitance control input pin is high, then the corresponding amount of capacitance is added at PAOUT; this capacitance tuning works only at 315MHz. The 16 capacitor values are selected by set- ting CAP1–CAP4; ...

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Applications Information Output Matching to 50 Ω When matched to a 50Ω system, the MAX7058’ capable of delivering +10dBm of output power +2.7V. The output of the open-drain transis- tor, which has ...

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Dual-Frequency ASK Transmitter C1 L1 8.2pF 22nH RFOUT C3 C2 10pF 10pF 18nH C5 680pF 220pF 0.01μF 12 ______________________________________________________________________________________ 5 4 CAP2 CAP1 8 CAP3 9 CAP4 10 PAOUT MAX7058 L2 R1 0Ω 11 ROUT ...

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For the latest package outline information go to www.maxim-ic.com/packages.) ______________________________________________________________________________________ 315MHz/390MHz Dual-Frequency ASK Transmitter Package Information 13 ...

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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 14 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2008 Maxim Integrated Products Package Information (continued registered trademark of Maxim Integrated Products, Inc ...