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EL5221CW-T13 Datasheet(PDF) 9 Page - Intersil Corporation |
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EL5221CW-T13 Datasheet(HTML) 9 Page - Intersil Corporation |
9 / 11 page 9 Applications Information Product Description The EL5221 unity gain buffer is fabricated using a high voltage CMOS process. It exhibits rail-to-rail input and output capability and has low power consumption (500µA per buffer). These features make the EL5221 ideal for a wide range of general-purpose applications. When driving a load of 10k Ω and 12pF, the EL5221 has a -3dB bandwidth of 12MHz and exhibits 10V/µs slew rate. Operating Voltage, Input, and Output The EL5221 is specified with a single nominal supply voltage from 5V to 15V or a split supply with its total range from 5V to 15V. Correct operation is guaranteed for a supply range of 4.5V to 16.5V. Most EL5221 specifications are stable over both the full supply range and operating temperatures of -40°C to +85°C. Parameter variations with operating voltage and/or temperature are shown in the typical performance curves. The output swings of the EL5221 typically extend to within 80mV of positive and negative supply rails with load currents of 5mA. Decreasing load currents will extend the output voltage range even closer to the supply rails. Figure 1 shows the input and output waveforms for the device. Operation is from ±5V supply with a 10k Ω load connected to GND. The input is a 10VP-P sinusoid. The output voltage is approximately 9.985VP-P. FIGURE 1. OPERATION WITH RAIL-TO-RAIL INPUT AND OUTPUT Short Circuit Current Limit The EL5221 will limit the short circuit current to ±120mA if the output is directly shorted to the positive or the negative supply. If an output is shorted indefinitely, the power dissipation could easily increase such that the device may be damaged. Maximum reliability is maintained if the output continuous current never exceeds ±30mA. This limit is set by the design of the internal metal interconnects. Output Phase Reversal The EL5221 is immune to phase reversal as long as the input voltage is limited from VS- -0.5V to VS+ +0.5V. Figure 2 shows a photo of the output of the device with the input Pin Descriptions SOT23-6 MSOP-8 PIN NAME FUNCTION EQUIVALENT CIRCUIT 1 3 VINA Buffer A Input Circuit 1 2 4 VS- Negative Supply Voltage 3 5 VINB Buffer B Input (Reference Circuit 1) 4 7 VOUTB Buffer B Output Circuit 2 5 8 VS+ Positive Supply Voltage 6 1 VOUTA Buffer A Output (Reference Circuit 2) VS+ VS- VS+ GND VS- 5V 5V 10µS VS=±5V TA=25°C VIN=10VP-P EL5221 |
Similar Part No. - EL5221CW-T13 |
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Similar Description - EL5221CW-T13 |
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