LT1810| Datasheet

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LT1809/LT1810 Single/Dual 180MHz, 350V/us Rail-to-Rail Input and Output Low Distortion Op Amps
FEATURES
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DESCRIPTIO

3dB Bandwidth: 320MHz, AV = 1 Gain-Bandwidth Product: 180MHz, AV 10 Slew Rate: 350V/us Wide Supply Range: 2.5V to 12.6V Large Output Current: 85mA Low Distortion, 5MHz: 90dBc Input Common Mode Range Includes Both Rails Output Swings Rail-to-Rail Input Offset Voltage, Rail-to-Rail: 2.5mV Max Common Mode Rejection: 89dB Typ Power Supply Rejection: 87dB Typ Open-Loop Gain: 100V/mV Typ Shutdown Pin: LT1809 Single in 8-Pin SO and 6-Pin SOT-23 Packages Dual in 8-Pin SO and MSOP Packages Operating Temperature Range: 40 C to 85 C

The LT 1809/LT1810 are single/dual low distortion railto-rail input and output op amps with a 350V/us slew rate. These amplifiers have a 3dB bandwidth of 320MHz at unity-gain, a gain-bandwidth product of 180MHz (AV 10) and an 85mA output current to fit the needs of low voltage, high performance signal conditioning systems. The LT1809/LT1810 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 LT1809/LT1810 have very low distortion ( 90dBc) up to 5MHz that allows them to be used in high performance data acquisition systems. The LT1809/LT1810 maintain their performance for supplies from 2.5V to 12.6V and are specified at 3V, 5V and 5V supplies. The inputs can be driven beyond the supplies without damage or phase reversal of the output. The LT1809 is available in the 8-pin SO package with the standard op amp pinout and the 6-pin SOT-23 package. The LT1810 features the standard dual
op amp pinout and is available in 8-pin SO and MSOP packages. These devices can be used as a plug-in replacement for many op amps to improve input/output range and performance.

APPLICATIO S
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Driving A/D Converters Low Voltage Signal Processing Active Filters Rail-to-Rail Buffer Amplifiers Video Line Driver
, LTC and LT are registered trademarks of Linear Technology Corporation.

TYPICAL APPLICATIO

Distortion vs Frequency
40 50 60 70 80 90 RL = 100, 3RD 100
1809 TA01

High Speed ADC Driver
5V 5V VIN 1VP-P

AV = +1 VIN = 2VP-P VS = 5V

DISTORTION (dB)

+
LT1809

R3 49.9 +AIN C1 470pF 5V R2 1k AIN

LTC 1420 PGA GAIN = 1 REF = 2.048V

12 BITS 10Msps

5V R1 1k

110 0.3

U
RL = 100, 2ND RL = 1k, 3RD RL = 1k, 2ND 1 FREQUENCY (MHz)
1809 TA02

U

U

10

30

1

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LT1810 DATASHEET