Datasheet > LT1492

LT1492

更新时间： 2024-11-11 22:51:51

品牌	Logo	应用领域
凌特 - Linear		运算放大器
页数	文件大小	规格书
16页	365K
描述
5MHz, 3V/us, Low Power Single Supply, Dual and Quad Precision Op Amps

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中文翻译

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LT1492 数据手册

LT1492/LT1493

5MHz, 3V/µs, Low Power

Single Supply, Dual and Quad

Precision Op Amps

FEATURES

DESCRIPTION

The LT^®1492/LT1493 are dual/quad, low power, single sup-

ply precision op amps with 5MHz gain-bandwidth product,

3V/µs slew rate and only 450µA of quiescent supply current

per amplifier.

■

Gain-Bandwidth Product: 5MHz Typ

■

Slew Rate: 3V/µs Typ

■

Low Supply Current per Amplifier: 0.55mA Max

■

Input Offset Voltage: 180µV Max

■

Input Offset Voltage Drift: 3µV/°C Max

With a maximum input offset voltage of only 180µV, the

LT1492/LT1493 eliminate trims in most systems while pro-

viding high frequency performance not usually found in low

power single supply amplifiers.

■

Input Offset Current: 20nA Max

■

Input Bias Current: 100nA Max

■

Open-Loop Gain: 1500V/mV Min (V_S= ±15V)

■

Low Input Noise Voltage: 16.5nV/√Hz

The LT1492/LT1493 will operate on any supply greater than

2.5Vandlessthan36Vtotal, andarespecifiedonsingle3.3V,

single 5V and ±15V supplies. Even with their low quiescent

supply current the minimum output drive is 20mA, ideal for

driving low impedance loads.

■

Low Input Noise Current: 0.14pA/√Hz

■

Large Output Drive Current: 20mA Min

■

Single Supply Operation

Input Voltage Range Includes Ground

Output Swings to Ground While Sinking Current

■

Wide Supply Voltage Range: 2.5V to 36V

The inputs can be driven beyond the supplies without

damage or phase reversal of the output. The low operating

voltage and wide input and output range make the LT1492/

LT1493 amplifiers ideal for battery-powered applications.

■

Specified on 3.3V, 5V and ±15V

■

Dual in 8-Pin PDIP and SO Package

■

Quad in a Narrow 16-Pin SO Package

For applications requiring faster precision single supply

amplifiers, see the 14MHz, 7V/µs LT1211/LT1212, the

28MHz, 12V/µs LT1213/LT1214 or the 23MHz, 50V/µs

LT1215/LT1216.

APPLICATIONS

■

Battery-Powered Systems

Portable Instrumentation

, LTC and LT are registered trademarks of Linear Technology Corporation.

■

Active Filters

■

Photodiode Amplifiers

DAC Current to Voltage Amplifiers

■

Distribution of Offset Voltage

TYPICAL APPLICATION

Drift with Temperature

= 5V, 0V

LT1492 N8, S8 PACKAGES

LT1493 S16 PACKAGE

Precision AC to DC Converter (Full Wave Rectifier and Filter)

4.99k

10k

1/2 LT1492

OUT

15k

10k

–

10µF

10k

1/2 LT1492

6.49k

= 5V, 0V

< 1% ERROR FROM 100mV TO 1V, f = 1kHz

10% ERROR AT 10mV, f = 1kHz

1% ERROR AT 5kHz, V = 100mV

10% ERROR AT 30kHz, V = 100mV

–2.5 –2 –1.5 –1 –0.5

0.5

1.5

2.5

OFFSET VOLTAGE DRIFT WITH TEMPERATURE (µV/°C)

RMS

1492/93 TA01

1492/93 G02

12 3 4 5 6 7...16

中文翻译

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与LT1492相关器件

型号	品牌	获取价格	描述	数据表
LT1492_15	Linear	获取价格	5MHz, 3V/s, Low Power Single Supply, Dual and Quad Precision Op Amps
LT1492CN8	Linear	获取价格	5MHz, 3V/us, Low Power Single Supply, Dual and Quad Precision Op Amps
LT1492CN8#PBF	Linear	获取价格	LT1492 - 5MHz, 3V/us, Low Power Single Supply, Dual and Quad Precision Op Amps; Package: P
LT1492CS8	Linear	获取价格	5MHz, 3V/us, Low Power Single Supply, Dual and Quad Precision Op Amps
LT1492CS8#PBF	Linear	获取价格	LT1492 - 5MHz, 3V/us, Low Power Single Supply, Dual and Quad Precision Op Amps; Package: S
LT1492CS8#TR	Linear	获取价格	LT1492 - 5MHz, 3V/us, Low Power Single Supply, Dual and Quad Precision Op Amps; Package: S
LT1492CS8#TRMPBF	Linear	获取价格	DUAL OP-AMP, 550uV OFFSET-MAX, 5MHz BAND WIDTH, PDSO8
LT1492CS8#TRPBF	Linear	获取价格	LT1492 - 5MHz, 3V/us, Low Power Single Supply, Dual and Quad Precision Op Amps; Package: S
LT1493	Linear	获取价格	5MHz, 3V/us, Low Power Single Supply, Dual and Quad Precision Op Amps
LT1493	ADI	获取价格	5MHz、3V/μs、低功率、单电源、四通道精准型运算放大器

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