LM7321, LM7322

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SNOSAW8D – MAY 2008 – REVISED MARCH 2013

Other Application Hints

The use of supply decoupling is mandatory in most applications. As with most relatively high speed/high output

current Op Amps, best results are achieved when each supply line is decoupled with two capacitors; a small

value ceramic capacitor (

∼0.01 μF) placed very close to the supply lead in addition to a large value Tantalum or

Aluminum (> 4.7

μF). The large capacitor can be shared by more than one device if necessary. The small

ceramic capacitor maintains low supply impedance at high frequencies while the large capacitor will act as the

charge "bucket" for fast load current spikes at the op amp output. The combination of these capacitors will

provide supply decoupling and will help keep the op amp oscillation free under any load.

SIMILAR HIGH OUTPUT DEVICES

The LM7332 is a dual rail-to-rail amplifier with a slightly lower GBW capable of sinking and sourcing 100 mA. It is

available in SOIC and VSSOP packages.

The LM4562 is dual op amp with very low noise and 0.7 mV voltage offset.

The LME49870 and LME49860 are single and dual low noise amplifiers that can work from ±22 volt supplies.

OTHER HIGH PERFORMANCE SOT-23 AMPLIERS

The LM7341 is a 4 MHz rail-to-rail input and output part that requires only 0.6 mA to operate, and can drive

unlimited capacitive load. It has a voltage gain of 97 dB, a CMRR of 93 dB, and a PSRR of 104 dB.

The LM6211 is a 20 MHz part with CMOS input, which runs on ±12 volt or 24 volt single supplies. It has rail-to-

rail output and low noise.

The LM7121 has a gain bandwidth of 235 MHz.

Detailed information on these parts can be found at www.ti.com.

Copyright © 2008–2013, Texas Instruments Incorporated

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Product Folder Links: LM7321 LM7322