LT1631| Datasheet

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LT1630/LT1631 30MHz, 10V/us, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps

FEATURES
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DESCRIPTION
The LT 1630/LT1631 are dual/quad, rail-to-rail input and output op amps with a 30MHz gain-bandwidth product and a 10V/us slew rate. The LT1630/LT1631 have excellent DC precision over the full range of operation. Input offset voltage is typically less than 150uV and the minimum open-loop gain of one million into a 10k load virtually eliminates all gain error. To maximize common mode rejection, the LT1630/LT1631 employ a patented trim technique for both input stages, one at the negative supply and the other at the positive supply, that gives a typical CMRR of 106dB over the full input range. The LT1630/LT1631 maintain their performance for supplies from 2.7V to 36V and are specified at 3V, 5V and 15V supplies. The inputs can be driven beyond the supplies without damage or phase reversal of the output. The output delivers load currents in excess of 35mA. The LT1630 is available in 8-pin PDIP and SO packages with the standard dual op amp pinout. The LT1631 features the standard quad op amp configuration and is
available in a 14-pin plastic SO package. These devices can be used as plug-in replacements for many standard op amps to improve input/output range and performance.

Gain-Bandwidth Product: 30MHz Slew Rate: 10V/us Low Supply Current per Amplifier: 3.5mA Input Common Mode Range Includes Both Rails Output Swings Rail-to-Rail Input Offset Voltage, Rail-to-Rail: 525uV Max Input Offset Current: 150nA Max Input Bias Current: 1000nA Max Open-Loop Gain: 1000V/mV Min Low Input Noise Voltage: 6nV/Hz Typ Low Distortion: 91dBc at 100kHz Wide Supply Range: 2.7V to 15V Large Output Drive Current: 35mA Min Dual in 8-Pin PDIP and SO Packages Quad in Narrow 14-Pin SO Package

APPLICATIONS
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Active Filters Rail-to-Rail Buffer Amplifiers Driving A/D Converters Low Voltage Signal Processing Battery-Powered Systems
, LTC and LT are registered trademarks of Linear Technology Corporation.

TYPICAL APPLICATION
Single Supply, 400kHz, 4th Order Butterworth Filter
10 0 10 20

2.32k 2.32k VIN 220pF 6.65k

47pF 2.74k 2.74k 5.62k 470pF 22pF

GAIN (dB)

1/2 LT1630

1/2 LT1630

VOUT

VS/2

1630/31 TA01

U

+

U

+

U

Frequency Response

30 40 50 60 70 80 90 0.1k VS = 3V, 0V VIN = 2.5VP-P 1k 10k 100k FREQUENCY (Hz) 1M 10M

1630/31 TA02

sn16301 16301fs

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LT1631 DATASHEET