Datasheet > LT6237

LT6237

更新时间： 2023-12-20 18:44:56

品牌	Logo	应用领域
亚德诺 - ADI		放大器驱动运算放大器驱动器
页数	文件大小	规格书
26页	1562K
描述
轨至轨输出、215MHz、1.1nV/√Hz 运算放大器 / SAR ADC 驱动器

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中文翻译

获取价格

数据手册

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LT6237 数据手册

LT6236/LT6237/LT6238

Rail-to-Rail Output

215MHz, 1.1nV/√Hz

Op Amp/SAR ADC Driver

DescripTion

The LT^®6236/LT6237/LT6238 are single/dual/quad 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

bandwidthproductanda70V/µsslewrate. Lownoise, 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.

FeaTures

Low Noise: 1.1nV/√Hz

Low Supply Current: 3.5mA/Amp Max

Low Offset Voltage: 350µV Max

Fast Settling Time: 570ns to 18-Bit, 2V Output

P-P

Low Distortion: THD = –116.8dB at 2kHz

Wide Supply Range: 3V to 12.6V

Output Swings Rail-to-Rail

215MHz Gain-Bandwidth Product

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

LT6236 Shutdown to 10µA Max

LT6236 in Low Profile (1mm) ThinSOT™ Package

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

MSOP Packages

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.

LT6238 in 16-Lead SSOP Package

The LT6236/LT6237/LT6238 are upgrades to the LT6230/

LT6231/LT6232,offeringsimilarperformancewithreduced

wideband noise beyond 100kHz.

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.

applicaTions

16-Bit and 18-Bit SAR ADC Drivers

Active Filters

Low Noise, Low Power Signal Processing

Typical applicaTion

Differentially Driving a SAR ADC

LT6237 Driving LTC2389-18 f_IN= 2kHz,

–1dBFS, 32768-Point FFT

= 6V

–10

–20

–30

–40

–50

–60

–70

= 7.3V

P-P

OUT

HD2 = –129.5dBc

HD3 = –118.7dBc

SFDR = 117.7dB

THD = –116.8dB

SNR = 99.7dB

LOWPASS FILTERS

38.3Ω

1/2 LT6237

49.9Ω

–

18-BIT

270pF

SINAD = 98.9dB

LTC2389-18

–80

–90

270pF

38.3Ω

2.5Msps

–100

–110

–120

–130

–140

–150

–

623637 TA01a

1/2 LT6237

–

= –2V

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2

FREQUENCY (MHz)

62367 TA01b

623637fb

For more information www.linear.com/LT6236

12 3 4 5 6 7...26

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与LT6237相关器件

型号	品牌	获取价格	描述	数据表
LT6237_15	Linear	获取价格	Rail-to-Rail Output 215MHz, 1.1nV/Hz Op Amp/SAR ADC Driver
LT6238	ADI	获取价格	轨至轨输出、215MHz、1.1nV/√Hz 运算放大器 / SAR ADC 驱动器
LT6238_15	Linear	获取价格	Rail-to-Rail Output 215MHz, 1.1nV/Hz Op Amp/SAR ADC Driver
LT6274	Linear	获取价格	90MHz, 2200V/Î¼s 30V Low Power Op Amps
LT6275	Linear	获取价格	90MHz, 2200V/Î¼s 30V Low Power Op Amps
LT6300	Linear	获取价格	500mA, 200MHz X DSL LINE DRIVER IN 16-LEAD SSOP PACKAGE
LT6300	ADI	获取价格	采用 16 引脚 SSOP 封装的 500mA、200MHz 差分 xDSL 线路驱动器
LT6300CGN	Linear	获取价格	500mA, 200MHz X DSL LINE DRIVER IN 16-LEAD SSOP PACKAGE
LT6300CGN#TR	Linear	获取价格	LT6300 - 500mA, 200MHz xDSL Line Driver in 16-Lead SSOP Package; Package: SSOP; Pins: 16;
LT6300IGN	Linear	获取价格	500mA, 200MHz X DSL LINE DRIVER IN 16-LEAD SSOP PACKAGE

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