1

LT1801/LT1802

18012fb

Dual/Quad 80MHz, 25V/

µs

Low Power Rail-to-Rail Input and

Output Precision Op Amps

The LT

speed rail-to-rail input and output operational amplifiers

with excellent DC performance. The LT1801/LT1802 fea-

ture reduced supply current, lower input offset voltage,

lower input bias current and higher DC gain than other

devices with comparable bandwidth.

Typically, the LT1801/LT1802 have an input offset voltage

of less than 100

µV, an input bias current of less than 50nA

and an open-loop gain of 85 thousand.

The LT1801/LT1802 have an input range that includes

both supply rails and an output that swings within 20mV

of either supply rail to maximize the signal dynamic range

in low supply applications.

The LT1801/LT1802 maintain their performance for sup-

plies from 2.3V to 12.6V and are specified at 3V, 5V and

±5V supplies. The inputs can be driven beyond the sup-

plies without damage or phase reversal of the output.

The LT1801 is available in the MS8, SO-8 and the 3mm

×

3mm

× 0.8mm dual fine pitch leadless package (DFN) with

the standard dual op amp pinout. The LT1802 features the

standard quad op amp configuration and is available in the

14-pin plastic SO package. The LT1801/LT1802 can be

used as plug-in replacements for many op amps to im-

prove input/output range and performance.

For a single version of these amplifiers, see the LT1800

data sheet.

2.3V to 12.6V

µV Max

× 3mm × 0.8mm DFN Package

√Hz Typ

µs Typ

°C to 85°C

Packages

, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

1/2 LT1801

47pF

220pF

909

Ω

2.67k

909

Ω

1/2 LT1801

22pF

470pF

18012 TA01

1.1k

2.21k

3V

1.1k

3V, 1MHz, 4th Order Butterworth Filter

FREQUENCY (Hz)

–80

–40

0

–100

–60

–20

1k

100k

1M

10M

100M

18012 TA02

–120

10k

1MHz Filter Frequency Response

FEATURES

DESCRIPTIO

APPLICATIO S

TYPICAL APPLICATIO