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LT1466

更新时间： 2024-01-27 09:54:24
品牌 Logo 应用领域
凌特 - Linear 运算放大器
页数 文件大小 规格书
12页 278K
描述
Micropower Dual/Quad Precision Rail-to-Rail Input and Output Op Amps

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中文翻译

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LT1466 数据手册

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LT1466L/LT1467L  
Micropower Dual/Quad  
Precision Rail-to-Rail Input  
and Output Op Amps  
U
FEATURES  
DESCRIPTION  
The LT®1466L/LT1467L are dual/quad bipolar op amps  
that combine rail-to-rail input and output operation with  
precision specifications. Using a patented technique,  
both input stages of the LT1466L/LT1467L are trimmed:  
one at the negative supply and the other at the positive  
supply. The resulting common mode rejection of 83dB  
minimum is much better than other rail-to-rail input op  
amps. A minimum open-loop gain of 400V/mV into a 10k  
load virtually eliminates all gain error. Operation is speci-  
fied for 3V, 5V and ±5V supplies.  
■
Rail-to-Rail Input and Output  
■
Low Supply Current: 75µA Max  
390µ  
V VOS(MAX) for VCM = V – to V +  
High Common Mode Rejection Ratio: 83dB Min  
High AVOL: 400V/mV Min  
Wide Supply Range: 2V to ±5V  
Low Input Bias Current: 6nA Typ  
120kHz Gain Bandwidth Product  
■
■
■
■
■
■
U
APPLICATIONS  
Unlike other rail-to-rail amplifiers, the input offset voltage  
of390µVmaximumisguaranteedacrosstheentirerail-to-  
rail input range, not just at half supply. The graph below  
contrasts the VOS specifications of the LT1466L/LT1467L  
to a competitive part that is specified only at half supply.  
As can be seen, the LT1466L/LT1467L’s limits are much  
tighter for inputs near either supply.  
■
■
■
Supply Current Sensing  
Driving A/D Converters  
Test Equipment Amplifiers  
The LT1466L is available in 8-lead PDIP and SO-8 pack-  
ages with the standard dual pinout. The LT1467L features  
the standard quad pinout and is available in a 16-lead  
narrow SO package.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATION  
Worst-Case VOS  
vs Input Common Mode Voltage  
Variable Current Source  
V
CC  
2000  
TYPICAL RAIL-TO-RAIL  
AMPLIFIER (65dB CMRR)  
R3  
5.1Ω  
R2  
10k  
1000  
V
IN  
0V TO 2.5V  
0
–1000  
–2000  
LT1467L LIMITS  
+
+
VN2222  
10k  
1/2 LT1466L  
1/2 LT1466L  
TP0610  
–
–
I
O
R2  
R1 R3  
1
I
= V  
O
IN  
R1  
100k  
(
) (  
)
0
1
2
3
4
5
V
IN  
=
INPUT COMMON MODE VOLTAGE (V)  
(
)
51Ω  
1466L/67L TA01  
1466L/67L TA02  
1
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