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LPV324MT Datasheet(PDF) 11 Page - Texas Instruments |
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LPV324MT Datasheet(HTML) 11 Page - Texas Instruments |
11 / 28 page LPV321, LPV324-N, LPV358-N www.ti.com SNOS413D – AUGUST 2000 – REVISED MARCH 2013 APPLICATION INFORMATION Benefits of the LPV321-N/358/324 Size The small footprints of the LPV321-N/358/324 packages save space on printed circuit boards, and enable the design of smaller electronic products, such as cellular phones, pagers, or other portable systems. The low profile of the LPV321-N/358/324 make them possible to use in PCMCIA type III cards. Signal Integrity Signals can pick up noise between the signal source and the amplifier. By using a physically smaller amplifier package, the LPV321-N/358/324 can be placed closer to the signal source, reducing noise pickup and increasing signal integrity. Simplified Board Layout These products help you to avoid using long pc traces in your pc board layout. This means that no additional components, such as capacitors and resistors, are needed to filter out the unwanted signals due to the interference between the long pc traces. Low Supply Current These devices will help you to maximize battery life. They are ideal for battery powered systems. Low Supply Voltage TI provides ensured performance at 2.7V and 5V. These specifications ensure operation throughout the battery lifetime. Rail-to-Rail Output Rail-to-rail output swing provides maximum possible dynamic range at the output. This is particularly important when operating on low supply voltages. Input Includes Ground Allows direct sensing near GND in single supply operation. The differential input voltage may be larger than V+ without damaging the device. Protection should be provided to prevent the input voltages from going negative more than −0.3V (at 25°C). An input clamp diode with a resistor to the IC input terminal can be used. Capacitive Load Tolerance The LPV321-N/358/324 can directly drive 200 pF in unity-gain without oscillation. The unity-gain follower is the most sensitive configuration to capacitive loading. Direct capacitive loading reduces the phase margin of amplifiers. The combination of the amplifier's output impedance and the capacitive load induces phase lag. This results in either an underdamped pulse response or oscillation. To drive a heavier capacitive load, circuit in Figure 40 can be used. Figure 40. Indirectly Driving A Capacitive Load Using Resistive Isolation Copyright © 2000–2013, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: LPV321 LPV324-N LPV358-N |
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