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LTC6241 PDF预览

LTC6241

更新时间: 2024-11-09 12:49:39
品牌 Logo 应用领域
LINEAR_DIMENSIONS 运算放大器
页数 文件大小 规格书
32页 430K
描述
Single/Dual/Quad 18MHz, Low Noise, Rail-to-Rail Output, CMOS Op Amps

LTC6241 数据手册

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LTC6240/LTC6241/LTC6242  
Single/Dual/Quad 18MHz,  
Low Noise, Rail-to-Rail Output,  
CMOS Op Amps  
FEATURES  
DESCRIPTION  
The LTC®6240/6241/LTC6242 are single, dual and quad  
low noise, low offset, rail-to-rail output, unity gain stable  
CMOSopampsthatfeature1pAofinputbiascurrent.Input  
bias current is guaranteed to be 1pA max on the single  
n
0.1Hz to 10Hz Noise: 550nV  
P-P  
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Input Bias Current:  
0.2pA (Typ at 25°C)  
1pA Max (LTC6240)  
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Low Offset Voltage: 125μV Max  
LTC6240. The0.1Hzto10Hznoiseofonly550nV , along  
P-P  
n
n
n
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Low Offset Drift: 2.5μV/°C Max  
Gain Bandwidth Product: 18MHz  
Output Swings Rail-to-Rail  
Supply Operation:  
with an offset of just 125μV are significant improvements  
over traditional CMOS op amps. Additionally, noise is  
guaranteed to be less than 10nV/√Hz at 1kHz. An 18MHz  
gain bandwidth, and 10V/μs slew rate, along with the wide  
supplyrangeandlowinputcapacitance,makethemperfect  
for use as fast signal processing amplifiers.  
2.8V to 6V LTC6240/LTC6241/LTC6242  
2.8V to 5.5V LTC6240HV/LTC6241HV/LTC6242HV  
Low Input Capacitance  
H-Grade Temperature Range: –40°C to 125°C  
Single LTC6240 in 5-Pin Low Profile (1mm)  
ThinSOT™ Package and 8-Pin SO for PCB Guard Ring  
Dual LTC6241 in 8-Pin SO and Tiny DFN Packages  
Quad LTC6242 in 16-Pin SSOP and 5mm × 3mm  
DFN Packages  
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These op amps have an output stage that swings within  
30mV of either supply rail to maximize the signal dynamic  
rangeinlowsupplyapplications.Theinputcommonmode  
range extends to the negative supply. They are fully speci-  
fied on 3V and 5V, and an HV version guarantees operation  
on supplies up to 5V.  
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TheLTC6240isavailableinthe8-pinSOandthe5-pinSOT-  
23 packages. The LTC6241 is available in the 8-pin SO, and  
for compact designs it is packaged in a tiny dual fine pitch  
leadless (DFN) package. The LTC6242 is available in the  
16-pin SSOP as well as the 5mm × 3mm DFN package.  
APPLICATIONS  
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Photo Diode Amplifiers  
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Charge Coupled Amplifiers  
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Low Noise Signal Processing  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
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Medical Instrumentation  
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High Impedance Transducer Amplifier  
TYPICAL APPLICATION  
Low Noise Single-Ended Input to Differential Output Amplifier  
Noise Voltage vs Frequency  
C3  
60  
T
V
V
= 25°C  
A
S
10pF  
=
2.5V  
= 0V  
C4  
10pF  
50  
40  
30  
20  
10  
0
CM  
R4  
4.99k  
C1  
10pF  
+2.5V  
1/2  
R1  
200k  
R3  
4.99k  
V
IN  
+
V
V
OUT  
OUT  
LTC6241  
+
–2.5V  
1/2  
LTC6241  
+
R2  
200k  
1
10  
100  
1k  
10k  
100k  
FREQUENCY (Hz)  
6241 TA01a  
C2  
10pF  
6241 TA01b  
624012fe  
1

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