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ISL43L410IU датащи(PDF) 6 Page - Intersil Corporation |
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ISL43L410IU датащи(HTML) 6 Page - Intersil Corporation |
6 / 11 page 6 FN6090.1 November 3, 2004 Detailed Description The ISL43L410 is a bidirectional, double pole/double throw (DPDT) analog switch that offers precise switching capability from a single 1.65V to 3.6V supply with low on-resistance (0.25 Ω) and high speed operation (tON =12ns, tOFF = 5ns). The device is especially well suited for portable battery powered equipment due to its low operating supply voltage (1.65V), low power consumption (2.7 µW max), low leakage currents (60nA max), and the tiny DFN and MSOP packages. The ultra low on-resistance and Ron flatness provide very low insertion loss and distortion to applications that require signal reproduction. Supply Sequencing And Overvoltage Protection With any CMOS device, proper power supply sequencing is required to protect the device from excessive input currents which might permanently damage the IC. All I/O pins contain ESD protection diodes from the pin to V+ and to GND (see Figure 8). To prevent forward biasing these diodes, V+ must be applied before any input signals, and the input signal voltages must remain between V+ and GND. If these conditions cannot be guaranteed, then one of the following two protection methods should be employed. Logic inputs can easily be protected by adding a 1k Ω resistor in series with the input (see Figure 8). The resistor limits the input current below the threshold that produces FIGURE 4. OFF ISOLATION TEST CIRCUIT FIGURE 5. RON TEST CIRCUIT FIGURE 6. CROSSTALK TEST CIRCUIT FIGURE 7. CAPACITANCE TEST CIRCUIT Test Circuits and Waveforms (Continued) ANALYZER RL SIGNAL GENERATOR V+ C 0V or V+ NO or NC COM ADD GND Signal direction through switch is reversed, worst case values are recorded. Repeat test for all switches. INH V+ C 0V or V+ NO or NC COM ADD GND VNX V1 RON = V1/100mA 100mA Repeat test for all switches. INH 0V or V+ ANALYZER V+ C NO or NC SIGNAL GENERATOR RL GND ADD COM 50 Ω N.C. COM NC or NO Signal direction through switch is reversed, worst case values are recorded. Repeat test for all switches. INH V+ C GND NO or NC COM ADD IMPEDANCE ANALYZER 0V or V+ Repeat test for all switches. INH ISL43L410 |
Аналогичный номер детали - ISL43L410IU |
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Аналогичное описание - ISL43L410IU |
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