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1213

更新时间： 2024-11-09 05:56:51

品牌	Logo	应用领域
Linear Systems		运算放大器
页数	文件大小	规格书
20页	384K
描述
28MHz, 12V/ms, Single Supply Dual and Quad Precision Op Amps

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中文翻译

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1213 数据手册

LT1213/LT1214

28MHz, 12V/µs, Single Supply

Dual and Quad

Precision Op Amps

DESCRIPTIO

FEATURES

TheLT^®1213isadual,singlesupplyprecisionopampwith

a 28MHz gain-bandwidth product and a 12V/µs slew rate.

The LT1214 is a quad version of the same amplifier. The

DC precision of the LT1213/LT1214 eliminates trims in

most systems while providing high frequency perfor-

mance not usually found in single supply amplifiers.

■

Slew Rate: 12V/µs Typ

■

Gain-Bandwidth Product: 28MHz Typ

■

Fast Settling to 0.01%

2V Step to 200µV: 500ns Typ

10V Step to 1mV: 1.1µs Typ

Excellent DC Precision in All Packages

■

Input Offset Voltage: 275µV Max

Input Offset Voltage Drift: 6µV/°C Max

Input Offset Current: 40nA Max

Input Bias Current: 200nA Max

Open-Loop Gain: 1200V/mV Min

The LT1213/LT1214 will operate on any supply greater

than 2.5V and less than 36V total. These amplifiers are

specified at single 3.3V, single 5V and ±15V supplies, and

only require 2.7mA of quiescent supply current per ampli-

fier. The inputs can be driven beyond the supplies without

damage or phase reversal of the output. The minimum

output drive is 30mA, ideal for driving low impedance

loads.

■

Single Supply Operation

Input Voltage Range Includes Ground

Output Swings to Ground While Sinking Current

■

Low Input Noise Voltage: 10nV/√Hz Typ

■

Low Input Noise Current: 0.2pA/√Hz Typ

APPLICATIO S

■

Specified at 3.3V, 5V and ±15V

■

2.5V Full-Scale 12-Bit Systems: V_OS≤ 0.45LSB

Large Output Drive Current: 30mA Min

■

10V Full-Scale 16-Bit Systems: V_OS≤ 1.8LSB

Low Supply Current per Amplifier: 3.5mA Max

■

Active Filters

Photodiode Amplifiers

Dual in 8-Pin DIP and SO-8

■

Quad in 14-Pin DIP and NARROW SO-16

■

DAC Current-to-Voltage Amplifiers

Note: For applications requiring higher slew rate, see the LT1215/LT1216

data sheet. For lower power and lower slew rate, see the LT1211/LT1212 data

sheet.

■

Battery-Powered Systems

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

TYPICAL APPLICATIO

Frequency Response

Single Supply 3-Pole 1MHz Butterworth Filter

200pF

0.1µF

–10

–20

–30

–40

–50

–60

680Ω

1/2

LT1213

390pF

OUT

150pF

–

4.12k

5pF

= 2

MAXIMUM OUTPUT OFFSET = 714µV

4.12k

10k

100k

10M

1213/14 TA01

FREQUENCY (Hz)

1213/14 TA02

12 3 4 5 6 7...20

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