LF156

更新时间： 2024-10-19 12:36:47

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LF155/LF156/LF256/LF257/LF355/LF356/LF357 JFET Input Operational Amplifiers

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LF156 数据手册

LF155, LF156, LF355, LF356, LF357

www.ti.com

SNOSBH0C –MAY 2000–REVISED MARCH 2013

LF155/LF156/LF256/LF257/LF355/LF356/LF357 JFET Input Operational Amplifiers

Check for Samples: LF155, LF156, LF355, LF356, LF357

FEATURES

DESCRIPTION

These are the first monolithic JFET input operational

amplifiers to incorporate well matched, high voltage

JFETs on the same chip with standard bipolar

transistors ( BI-FET™ Technology). These amplifiers

feature low input bias and offset currents/low offset

voltage and offset voltage drift, coupled with offset

adjust which does not degrade drift or common-mode

rejection. The devices are also designed for high slew

rate, wide bandwidth, extremely fast settling time, low

voltage and current noise and a low 1/f noise corner.

Advantages

•

Replace Expensive Hybrid and Module FET Op

Amps

Rugged JFETs Allow Blow-Out Free Handling

Compared with MOSFET Input Devices

Excellent for Low Noise Applications Using

Either High or Low Source Impedance—Very

Low 1/f Corner

•

Offset Adjust Does Not Degrade Drift or

Common-Mode Rejection as in Most

Monolithic Amplifiers

Common Features

•

Low Input Bias Current: 30pA

Low Input Offset Current: 3pA

High Input Impedance: 10¹²Ω

Low Input Noise Current: 0.01 pA/√Hz

High Common-Mode Rejection Ratio: 100 dB

Large DC Voltage Gain: 106 dB

New Output Stage Allows Use of Large

Capacitive Loads (5,000 pF) without Stability

Problems

Internal Compensation and Large Differential

Input Voltage Capability

APPLICATIONS

Table 1. Uncommon Features

•

Precision High Speed Integrators

Fast D/A and A/D Converters

High Impedance Buffers

LF155/ LF156/ LF257/

LF355 LF256/ LF357

LF356 (A_V=5)

Units

Extremely fast

settling time to 0.01%

1.5

μs

Wideband, Low Noise, Low Drift Amplifiers

Logarithmic Amplifiers

Fast slew rate

V/µs

MHz

Wide gain bandwidth

2.5

Photocell Amplifiers

Low input noise

voltage

nV / √Hz

Sample and Hold Circuits

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

BI-FET is a trademark of Texas Instruments.

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...32

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LF156 替代型号

型号	品牌	替代类型	描述	数据表
M38510/10104BGA	RAYTHEON	功能相似	Operational Amplifier, 1 Func, 1000uV Offset-Max, MBCY8, METAL CAN-8

与LF156相关器件

型号	品牌	获取价格	描述	数据表
LF156 MD8	TI	获取价格	Single, 40-V, 5-MHz, -55 to 125°C, FET-input
LF156A	NSC	获取价格	Series Monolithic JFET Input Operational Amplifiers
LF156A	Linear	获取价格	JFET-Input Operational Amplifiers Low Supply Current High Speed
LF156ACG	STMICROELECTRONICS	获取价格	IC,OP-AMP,SINGLE,BIPOLAR/JFET,LLCC,20PIN,CERAMIC
LF156AD	RAYTHEON	获取价格	Operational Amplifier, 1 Func, 2500uV Offset-Max, BIPolar, CDIP8, CERAMIC, DIP-8
LF156AH	RAYTHEON	获取价格	Operational Amplifier, 1 Func, 2500uV Offset-Max, BIPolar, MBCY8, METAL CAN, TO-99, 8 PIN
LF156AH	NSC	获取价格	Series Monolithic JFET Input Operational Amplifiers
LF156AH	Linear	获取价格	JFET-Input Operational Amplifiers Low Supply Current High Speed
LF156AH	STMICROELECTRONICS	获取价格	IC,OP-AMP,SINGLE,BIPOLAR/JFET,CAN,8PIN,METAL
LF156AH	RENESAS	获取价格	LF156AH

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