Datasheet > LTC6268_15

LTC6268_15

更新时间： 2024-09-26 01:22:31

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
24页	496K
描述
500MHz Ultra-Low Bias Current FET Input Op Amp

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LTC6268_15 数据手册

LTC6268/LTC6269

500MHz Ultra-Low Bias

Current FET Input Op Amp

FEATURES

DESCRIPTION

TheLTC^®6268/LTC6269isasingle/dual500MHzFET-input

operationalamplifierwithextremelylowinputbiascurrent

and low input capacitance. It also features low input-

referred current noise and voltage noise making it an ideal

choice for high speed transimpedance amplifiers, CCD

output buffers, and high-impedance sensor amplifiers.

Its low distortion makes the LTC6268/LTC6269 an ideal

amplifier for driving SAR ADCs.

Gain Bandwidth Product: 500MHz

–3dB Bandwidth (A = 1): 350MHz

Low Input Bias Current:

3fA Typ. Room Temperature

4pA Max at 125°C

Current Noise (100kHz): 5.5fA/√Hz

Voltage Noise (1MHz): 4.3nV/√Hz

Extremely Low C 450fF

Rail-to-Rail Output

Slew Rate: 400V/µs

Supply Range: 3.1V to 5.25V

Quiescent Current: 16.5mA

Harmonic Distortion (2V ):

–100dB at 1MHz

–80dB at 10MHz

Operating Temp Range: –40°C to 125°C

Single in 8-Lead SO-8, 6-Lead TSOT-23 Packages

Dualin8-LeadMS8, 3mm ×3mm10-LeadDFN10 Packages

Itoperateson3.1Vto5.25Vsupplyandconsumes16.5mA

per amplifier. A shutdown feature can be used to lower

power consumption when the amplifier is not in use.

TheLTC6268singleopampisavailablein8-leadSOICand

6-lead SOT-23 packages. The SOIC package includes two

unconnected pins which can beusedto createan input pin

guard ring to protect against board leakage currents. The

LTC6269 dual op amp is available in 8-lead MSOP with

exposed pad and 3mm × 3mm 10-lead DFN packages.

They are fully specified over the –40°C to 85°C and the

–40°C to 125°C temperature ranges.

P-P

APPLICATIONS

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

Technology Corporation. All other trademarks are the property of their respective owners.

Trans-Impedance Amplifiers

ADC Drivers

CCD Output Buffer

Photomultiplier Tube Post-Amplifier

Low I

Circuits

BIAS

20kΩ TIA Frequency Response

TYPICAL APPLICATION

100

20kΩ Gain 65MHz Trans-Impedance Amplifier

PARASITIC

FEEDBACK C

20kΩ*

2.5V

–

OUT

= –I • 20k

LTC6268

BW = 65MHz

–2.5V

6268 TA01

0.01

0.1

100

1000

PD = OSI OPTOELECTRONICS, FCI-125G-006

*TWO 40.2kΩ 0603 PACKAGE RESISTORS IN PARALLEL

FREQUENCY (MHz)

6268 TA02

62689f

For more information www.linear.com/LTC6268

12 3 4 5 6 7...24

中文翻译

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与LTC6268_15相关器件

型号	品牌	获取价格	描述	数据表
LTC6268-10	Linear	获取价格	2GHz, 3.5mA Gain of 7 Stable Rail-to-Rail I/O Dual Op Amp
LTC6268-10	ADI	获取价格	4GHz 超低偏置电流 FET 输入运算放大器
LTC6268-10_15	Linear	获取价格	4GHz Ultra-Low Bias Current FET Input Op Amp
LTC6268IS6-10#TRMPBF	Linear	获取价格	LTC6268-10 - 4GHz Ultra-Low Bias Current FET Input Op Amp; Package: SOT; Pins: 6; Temperat
LTC6268IS6-10#TRPBF	Linear	获取价格	LTC6268-10 - 4GHz Ultra-Low Bias Current FET Input Op Amp; Package: SOT; Pins: 6; Temperat
LTC6269	ADI	获取价格	1nV/âHz 420MHz GBW, 180V/Î¼s, Low Distortio
LTC6269_15	Linear	获取价格	500MHz Ultra-Low Bias Current FET Input Op Amp
LTC6269-10	Linear	获取价格	2GHz, 3.5mA Gain of 7 Stable Rail-to-Rail I/O Dual Op Amp
LTC6269-10	ADI	获取价格	4GHz 超低偏置电流FFT 输入运算放大器
LTC6269-10_15	Linear	获取价格	4GHz Ultra-Low Bias Current FET Input Op Amp

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