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ANALOG DEVICES LT1490AIDD#PBF

Operational Amplifier, 2 Channels, 200 kHz, 0.07 V/µs, 3V, 5V, ± 15V, DFN, 8 Pins

ANALOG DEVICES LT1490AIDD#PBF

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Manufacturer Part No:
LT1490AIDD#PBF
Order Code:
4020701
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Technical Datasheet:
LT1490AIDD#PBF   Datasheet
ECAD / MCAD
Supply Frame Models Link
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Product Overview

LT1490AIDD#PBF is a dual op-amp with a low input offset voltage of 500μV max. The LT1490A operates on all single and split supplies with a total voltage of 2V to 44V, drawing only 40μA of quiescent current per amplifier. This amplifier is reverse supply protected, it draws virtually no current for reverse supply up to 18V. The input range of the LT1491A includes both supplies and the output swings to both supplies. Unlike most micropower op-amps, the LT1490A can drive heavy loads, its rail-to-rail outputs drive 20mA. It is unity-gain stable and drive all capacitive loads up to 10,000pF when optional 0.22μF and 150 ohm compensation is used. It has a unique input stage that operates and remains high impedance when above the positive supply. The inputs take 44V both differential and common mode even when operating on 3V supply. Typical applications include battery- or solar-powered systems, supply current sensing, battery monitoring, micropower active filters and 4mA to 20mA transmitters.
  • Output swings to 10mV max from V–, rail-to-rail input and output
  • Over-The-Top® input common mode range extends 44V above V–, independent of V+
  • Output drives 10,000pF with output compensation, reverse battery protection to 18V
  • No supply sequencing problems, no phase reversal
  • 250μV typical input offset voltage (TA = 25°C. VS = 3V, 0V; VS = 5V, 0V; VCM = VOUT = half supply)
  • 0.2nA typ input offset current at VCM = 44V (TA = 25°C, VS = 3V, 0V; VS = 5V, 0V)
  • 180KHz typical gain bandwidth product (f = 1KHz, TA = 25°C, VS = 3V, 0V; VS = 5V, 0V)
  • 0.06V/μs typical slew rate at AV = –1, RL = ∞, TA = 25°C, VS = 3V, 0V; VS = 5V, 0V
  • 98dB typ CMRR at VCM = 0V to VCC – 1V, TA = 25°C, VS = 3V, 0V; VS = 5V, 0V
  • 8 lead plastic DFN package, –40°C to 85°C operating temperature range

Footnotes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party

Product Information

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:
2Channels

:
200kHz

:
0.07V/µs

:
3V, 5V, ± 15V

:
DFN

:
8Pins

:
General Purpose

:
Rail - Rail Input / Output (RRIO)

:
250µV

:
1000pA

:
Surface Mount

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 - Unlimited

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Technical Documents (1)

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