MAX4545 Maxim, MAX4545 Datasheet
MAX4545
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MAX4545 Summary of contents
Page 1
... The MAX4545/MAX4546/MAX4547 are low-voltage T-switches designed for switching RF and video signals from DC to 300MHz in 50Ω and 75Ω systems. The MAX4545 contains four normally open single-pole/single- throw (SPST) switches. The MAX4546 contains two dual SPST switches (one normally open, one normally closed.) The MAX4547 contains two single-pole/double-throw (SPDT) switches ...
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... Plastic DIP (derate 10.53mW/°C above +70°C) ..........................842mW Note 1: Voltages on all other pins exceeding are clamped by internal diodes. Limit forward diode current to maximum cur- rent rating. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied ...
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... V = 0V, COM_ NO_ MAX4546 f = 1MHz, Figure 8 MAX4547 MAX4545 R = 50Ω MAX4546 ISO COM_ RMS f = 10MHz, Figure 7 MAX4547 MAX4545 R = 50Ω COM_ 10MHz, MAX4546 CT RMS Figure 7 MAX4547 BW Figure 50Ω 5Vp-p, f < 20kHz, IN 600Ω in and out ...
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Quad/Dual, Low-Voltage, Bidirectional RF/Video Switches ELECTRICAL CHARACTERISTICS—Single +5V Supply (V+ = +4.5V to +5.5V 0V 0.8V, V INL +25°C.) A PARAMETER SYMBOL ANALOG SWITCH V COM_ Analog Signal Range V NO_ Signal-Path On-Resistance ...
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... ON ON(MAX) ON(MIN) Note 5: Resistance flatness is defined as the difference between the maximum and the minimum value of on-resistance as mea- sured over the specified analog signal range. Note 6: Leakage parameters are 100% tested at the maximum rated hot temperature and guaranteed by correlation at +25°C. Note 7: Off isolation = 20log ...
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Quad/Dual, Low-Voltage, Bidirectional RF/Video Switches __________________________________________Typical Operating Characteristics (V+ = +5V -5V +25°C, GND = 0V, packages are surface mount, unless otherwise noted.) A ON-RESISTANCE vs. V COM (DUAL SUPPLIES) 100 V 1.2V, -1.2V ...
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... FREQUENCY RESPONSE +5V - -5V INSERTION LOSS -20 5V INPUT -30 50 OUTPUT -40 -50 -60 OFF ISOLATION -70 -80 -90 CROSSTALK -100 -110 -120 0 100 FREQUENCY (MHz) MAX4545 TOC13 100 100 0.1 0 -20 0.01 -40 -60 0.001 -80 CROSSTALK 0.0001 -100 100 1000 MAX4546 FREQUENCY RESPONSE 0 -10 ...
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... NO_ (or NC_) and COM_ pins are identical and interchangeable. Either may be considered as an input or output; signals pass equally well in either direction. _______________Theory of Operation Logic-Level Translators The MAX4545/MAX4546/MAX4547 are constructed as high-frequency “T” switches, as shown in Figure 1. The logic-level input, IN_, is translated by amplifier A1 into logic signal that drives amplifier A2. (Amplifier inverter for normally closed switches ...
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... MAX4545/MAX4546/MAX4547. Even ±5% toler- ance supplies may have overshoot or noise spikes that exceed 13.0V. The MAX4545/MAX4546/MAX4547 operate from a sin- gle supply between +2.7V and +12V when V- is con- nected to GND. All of the bipolar precautions must be observed. Note, however, that these parts are opti- mized for ± ...
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... IN_ and GND_ pins is less than 1nA, but Power Off increases with switching frequency. On the MAX4545 only, two extra ground pins—GND5 and GND6—are provided to improve isolation and crosstalk. They are not connected to the logic-level cir- cuit. These pins should always be connected to the ground plane with solid copper ...
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... The resistance values shown in Figure 3 are optimized with ±5V supplies for both 50Ω and 75Ω systems at room temperature. With its excellent off isolation, the MAX4545 is ideal for use in high-frequency video multiplexers. Figure 3 shows such an application for switching any one of four video inputs to a single output ...
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... MORE THAN 4 CHANNELS Figure 3. 4-Channel Multiplexer 12 ______________________________________________________________________________________ 1 OUT 2 50/75 OUT/IN 3 MAX4545 4 OUT TO ADDITIONAL MUXES V+ 10nF V+ GND5 GND6 MAX4545 COM1 NO1 GND1 COM2 NO2 GND2 COM3 50/75 NO3 GND3 OUT/IN COM4 NO4 GND4 IN1 IN1 IN2 IN2 IN3 IN3 IN4 IN4 V- 10nF ...
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... Circuits/Timing Diagrams +5V 10nF V+ NO_OR NC_ MAX4545 MAX4546 MAX4547 V IN_ IN_ GND_ V- 50 10nF -5V REPEAT TEST FOR EACH SWITCH. Figure 4. Switching Time 10nF +5V V+ MAX4546 V IN_ IN_ GND_ 50 10nF * REPEAT TEST FOR OTHER PAIR OF SWITCHES. 10nF -+5V V+ MAX4547 V IN_ IN_ GND_ ...
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... V- IS CONNECTED TO GND (0V) FOR SINGLE-SUPPLY OPERATION. Figure 6. Charge Injection +5V 10nF IN_ NO_ MAX4545 MAX4546 MAX4547 COM_ GND_ V- 10nF -5V MEASUREMENTS ARE STANDARDIZED AGAINST SHORT AT IC TERMINALS. OFF ISOLATION IS MEASURED BETWEEN COM_ AND "OFF" NO_ OR NC_ TERMINAL ON EACH SWITCH. ON LOSS IS MEASURED BETWEEN COM_ AND "ON" NO_ OR NC_TERMINAL ON EACH SWITCH. ...
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... ANALYZER GND5 NO4 GND4 GND2 V- 0.101" GND1 (2.565mm) NO2 V+ N.C. N.C. N.C. COM1 NC3 N.C. N.C. GND4 TRANSISTOR COUNT: 253 SUBSTRATE INTERNALLY CONNECTED TO V- MAX4545 COM1 IN1 IN2 COM2 GND2 0.101" (2.565mm) NO2 V+ GND6 NO3 GND3 N.C. COM3 COM4 IN4 IN3 0.085" (2.159mm) MAX4547 NO1 IN1 IN2 ...
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... Information (continued) PART TEMP. RANGE MAX4545CAP 0°C to +70°C MAX4545C/D 0°C to +70°C MAX4545EPP -40°C to +85°C MAX4545EWP -40°C to +85°C MAX4545EAP -40°C to +85°C MAX4546CPE 0°C to +70°C MAX4546CSE 0°C to +70°C MAX4546CEE 0°C to +70°C MAX4546C/D 0°C to +70°C MAX4546EPE -40° ...