max2442eait Maxim Integrated Products, Inc., max2442eait Datasheet
max2442eait
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max2442eait Summary of contents
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Rev 3; 8/03 General Description The MAX2440/MAX2441/MAX2442 highly integrated front-end receiver ICs provide the lowest cost solution for cordless phones and ISM-band radios operating in the 900MHz band. All devices incorporate receive image- reject mixers to reduce filter cost. ...
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Image-Reject Receivers ABSOLUTE MAXIMUM RATINGS V to GND ...........................................................-0.3V to +5.5V CC Voltage on LNAGAIN, RXON, VCOON, DIV1, MOD .............................................-0. RXIN Input Power..............................................................10dBm TANK, TANK Input Power ...................................................2dBm Continuous Power Dissipation (T = +70°C) A SSOP (derate ...
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AC ELECTRICAL CHARACTERISTICS (MAX242X/MAX246X EV kit +3.3V 915MHz -35dBm; V RXIN RXIN LNAGAIN unless otherwise noted.) PARAMETER RECEIVER Input Frequency Range (Notes Frequency Range (Notes 5, 6) Image Frequency ...
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Image-Reject Receivers AC ELECTRICAL CHARACTERISTICS (continued) (MAX242X/MAX246X EV kit +3.3V 915MHz -35dBm; V RXIN RXIN LNAGAIN unless otherwise noted.) PARAMETER OSCILLATOR AND PRESCALER Oscillator Frequency Range (Notes 5, 10) Oscillator Phase ...
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EV kit +3.3V 915MHz -35dBm; V RXIN RXIN LNAGAIN unless otherwise noted.) RECEIVER SUPPLY CURRENT vs. TEMPERATURE 4. 3. ...
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Image-Reject Receivers (MAX242X/MAX246X EV kit +3.3V 915MHz -35dBm; V RXIN RXIN LNAGAIN unless otherwise noted.) RECEIVER IMAGE REJECTION vs. RF FREQUENCY 60 RXON = ...
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PIN NAME Supply-Voltage Input for Master Bias Cell. Bypass with a 47pF low-inductance capacitor and 0.1µ GND (pin 28 recommended). Receive Bias Compensation Pin. Bypass with a 47pF low-inductance capacitor and 0.01µF to GND. 2 CAP1 ...
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Image-Reject Receivers PIN NAME 26 GND Ground Connection for VCO and Phase Shifters 27 GND Ground (substrate) 28 GND Ground Connection for Master Bias Cell V CC 0.1µF 47pF 0.1µF 47pF RECEIVE 8.2nH RF INPUT 47pF 12nH 47pF V ...
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Detailed Description The following sections describe each of the blocks shown in the Functional Diagram. The MAX2440/MAX2441/MAX2442’s receive path con- sists of a 900MHz low-noise amplifier, an image-reject mixer, and an IF buffer amplifier. The LNA’s gain and biasing are ...
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Image-Reject Receivers To disable the prescaler entirely, leave PREGND and PREOUT floating. Also tie the MOD and DIV1 pins to GND. Disabling the prescaler does not affect operation of the VCO stage. Power Management MAX2440/MAX2441/MAX2442 supports three different power-management ...
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V CC MAX2440 C BLOCK 50Ω MAX2441 0.01µF MAX2442 TANK V CC 50Ω EXTERNAL LO LEVEL IS TANK 0dBm FROM A 50Ω SOURCE. Figure 3. Using an External Local Oscillator MAX2440 MAX2441 MAX2442 L T TANK TANK ...
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Image-Reject Receivers LNAGAIN RXIN CAP1 RXON (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages NOTES: 1. D&E DO ...