ISL28190 datasheet(11/16 Pages) INTERSIL

Nome de Peças	ISL28190

Descrição Electrónicos	Single and Dual Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail Output, Op Amp

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Fabricante Electrônico	INTERSIL [Intersil Corporation]

Página de início	http://www.intersil.com/cda/home

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11

FN6247.7

March 17, 2008

reduce the risk of oscillation. The combination of a 4.7µF

tantalum capacitor in parallel with a 0.01µF capacitor has

been shown to work well when placed at each supply pin.

For good AC performance, parasitic capacitance should be

kept to a minimum, especially at the inverting input. When

ground plane construction is used, it should be removed

from the area near the inverting input to minimize any stray

capacitance at that node. Carbon or Metal-Film resistors are

acceptable with the Metal-Film resistors giving slightly less

peaking and bandwidth because of additional series

inductance. Use of sockets, particularly for the SO package,

should be avoided if possible. Sockets add parasitic

inductance and capacitance, which will result in additional

peaking and overshoot.

Current Limiting

The ISL28190 and ISL28290 have no internal current-

limiting circuitry. If the output is shorted, it is possible to

exceed the Absolute Maximum Rating for output current or

power dissipation, potentially resulting in the destruction of

the device. This is why output short circuit current is

specified and tested with RL = 10Ω.

Power Dissipation

It is possible to exceed the +125°C maximum junction

temperatures under certain load and power-supply

conditions. It is therefore important to calculate the

maximum junction temperature (TJMAX) for all applications

to determine if power supply voltages, load conditions, or

package type need to be modified to remain in the safe

operating area. These parameters are related as follows:

where:

•PDMAXTOTAL is the sum of the maximum power

dissipation of each amplifier in the package (PDMAX)

•PDMAX for each amplifier can be calculated as follows:

where TMAX = Maximum ambient temperature

•

θ

JA = Thermal resistance of the package

•PDMAX = Maximum power dissipation of 1 amplifier

•VS = Supply voltage

•IMAX = Maximum supply current of 1 amplifier

•VOUTMAX = Maximum output voltage swing of the

application

•RL = Load resistance

T

JMAX

T

MAX

θ

JA xPDMAXTOTAL

()

+

=

(EQ. 1)

PD

MAX

2*V

S

I

SMAX

V

S

(

- V

OUTMAX )

V

OUTMAX

R

L

----------------------------

×

+

×

=

(EQ. 2)

ISL28190, ISL28290

Nº de peça semelhante - ISL28190

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Intersil Corporation	ISL28190	908Kb / 14P	Single and Dual Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail, Op Amp
	ISL28190	1Mb / 16P	Rail-to-Rail Output, Op Amp
	ISL28190	9Mb / 44P	Providing high-performance solutions for every link in the signal chain
Renesas Technology Corp	ISL28190	1Mb / 19P	Single and Dual Single Supply Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail Output, Op Amp
Renesas Technology Corp	ISL28190EVAL1Z	1Mb / 19P	Single and Dual Single Supply Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail Output, Op Amp

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Descrição semelhante - ISL28190

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Intersil Corporation	ISL28190	908Kb / 14P	Single and Dual Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail, Op Amp
Renesas Technology Corp	ISL28190	1Mb / 19P	Single and Dual Single Supply Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail Output, Op Amp
Renesas Technology Corp	ISL28290	1Mb / 21P	Dual Single Supply Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail Output, Op Amp Jan.12.21
Intersil Corporation	ISL28191	1Mb / 16P	Single and Dual Single Supply Ultra-Low Noise, Low Distortion Rail-to-Rail Output, Op Amp
Intersil Corporation	ISL55191	880Kb / 18P	Single and Dual Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail, Low Power Op Amp
Renesas Technology Corp	ISL28191	1Mb / 18P	Single and Dual Single Supply Ultra-Low Noise, Low Distortion Rail-to-Rail Output, Op Amp
Renesas Technology Corp	ISL55191	1Mb / 18P	Single and Dual Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail, Low Power Op March 30, 2007
Intersil Corporation	ISL28191	1Mb / 14P	Single and Dual Ultra-Low Noise, Rail-to-Rail, Op Amp
	ISL28191_0808	1Mb / 16P	Low Distortion Rail-to-Rail Output, Op Amp
	ISL55190	961Kb / 18P	Single and Dual Ultra-Low Noise, Ultra-Low Distortion, Low Power Op Amp

More results

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