LTC6360 datasheet(1/24 Pages) LINER

Part #	LTC6360

Description	Rail-to-Rail Output 215MHz, 1.1nV/?숰z Op Amp/SAR ADC Driver

PDF	24 Pages

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LT6236/LT6237

1

623637f

TYPICAL APPLICATION

FEATURES

DESCRIPTION

Rail-to-Rail Output

215MHz, 1.1nV/√Hz

Op Amp/SAR ADC Driver

The LT®6236/LT6237 are single/dual low noise, rail-to-rail

output op amps that feature 1.1nV/√Hz input referred noise

voltage density and draw only 3.5mA of supply current per

amplifier. These amplifiers combine very low noise and

supply current with a 215MHz gain bandwidth product

and a 70V/μs slew rate. Low noise, fast settling time and

low offset voltage make this amplifier optimal to drive

low noise, high speed SAR ADCs. The LT6236 includes a

shutdown feature that can be used to reduce the supply

current to less than 10μA.

This amplifier family has an output that swings within

50mV of either supply rail to maximize the signal dynamic

range in low supply applications and is specified on 3.3V,

5V and ±5V supplies.

The LT6236/LT6237 are upgrades to the LT6230/LT6231,

offering similar performance with reduced wideband noise

beyond 100kHz.

Differentially Driving a SAR ADC

LT6237 Driving LTC2389-18 fIN = 2kHz,

–1dBFS, 32768-Point FFT

APPLICATIONS

n Low Noise: 1.1nV/√Hz

n Low Supply Current: 3.5mA/Amp Max

n Low Offset Voltage: 350μV Max

n Fast Settling Time: 570ns to 18-Bit, 2VP-P Output

n Low Distortion: THD = –116.8dB at 2kHz

n Wide Supply Range: 3V to 12.6V

n Output Swings Rail-to-Rail

n 215MHz Gain-Bandwidth Product

n Specified Temperature Range: –40°C to 125°C

n LT6236 Shutdown to 10μA Max

n LT6236 in Low Profile (1mm) ThinSOT™ Package

n Dual LT6237 in 3mm × 3mm 8-Lead DFN and 8-Lead

MSOP Packages

n 16-Bit and 18-Bit SAR ADC Drivers

n Active Filters

n Low Noise, Low Power Signal Processing

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and

ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property

of their respective owners.

623637 TA01a

IN–

IN+

VS

+= 6V

270pF

38.3Ω

LOWPASS FILTERS

LTC2389-18

270pF

49.9Ω

18-BIT

2.5Msps

–

+

–

1/2 LT6237

VS

–= –2V

FREQUENCY (MHz)

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1

62367 TA01b

0

–150

–140

–130

–120

–110

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

1.2

VOUT = 7.3VP-P

HD2 = –129.5dBc

HD3 = –118.7dBc

SFDR = 117.7dB

THD = –116.8dB

SNR = 99.7dB

SINAD = 98.9dB

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Manufacturer	Part #	Datasheet	Description
Linear Technology	LT6230	649Kb / 24P	215MHz, Rail-to-Rail Output, 1.1nV/ root Hz, 3.5mA Op Amp Family
Analog Devices	AD8675	366Kb / 12P	36 V Precision, 2.8 nV/?숰z Rail-to-Rail Output Op Amp REV. A
Linear Technology	LT6230	790Kb / 24P	215MHz, Rail-to-Rail Output
	LT6230-10	790Kb / 24P	215MHz, Rail-to-Rail Output
	LT6231	790Kb / 24P	215MHz, Rail-to-Rail Output
	LT6232	790Kb / 24P	215MHz, Rail-to-Rail Output
	LT6236	1Mb / 26P	Rail-to-Rail Output 215MHz, 1.1nV/Hz Op Amp/SAR ADC Driver
	LT6237	1Mb / 26P	Rail-to-Rail Output 215MHz, 1.1nV/Hz Op Amp/SAR ADC Driver
	LT6238	1Mb / 26P	Rail-to-Rail Output 215MHz, 1.1nV/Hz Op Amp/SAR ADC Driver
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LTC6360 Datasheet(PDF) 1 Page - Linear Technology

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