LTC6241 LINER [Linear Technology], LTC6241 Datasheet
LTC6241
Manufacturer Part Number
LTC6241
Description
Dual/Quad 18MHz, Low Noise, Rail-to-Rail, CMOS Op Amps
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC6241.pdf
(24 pages)
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APPLICATIO S
FEATURES
■
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■
■
■
■
■
■
■
■
■
■
■
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TYPICAL APPLICATIO
V
0.1Hz to 10Hz Noise: 550nV
Input Bias Current: 1pA (Typ at 25°C)
Low Offset Voltage: 125µV Max
Low Offset Drift: 2.5µV/°C Max
Voltage Gain: 124dB Typ
Gain Bandwidth Product: 18MHz
Output Swings Rail-to-Rail
Supply Operation:
Low Input Capacitance
Dual LTC6241 in 8-Pin SO and Tiny DFN Packages
Quad LTC6242 in 16-Pin SSOP and 5mm × 3mm
DFN Packages
Photo Diode Amplifi ers
Charge Coupled Amplifi ers
Low Noise Signal Processing
Active Filters
Medical Instrumentation
High Impedance Transducer Amplifi er
IN
Low Noise Single-Ended Input to Differential Output Amplifi er
2.8V to 6V LTC6241/LTC6242
2.8V to ±5.5V LTC6241HV/LTC6242HV
10pF
200k
R1
C2
+
–
LTC6241
1/2
10pF
C1
U
10pF
C4
P-P
4.99k
200k
R3
R2
U
10pF
+
–
C3
LTC6241
+2.5V
–2.5V
1/2
4.99k
R4
6241 TA01a
V
V
OUT
OUT
+
–
DESCRIPTIO
The LTC
low offset, rail-to-rail output, unity gain stable CMOS op
amps that feature 1pA of input bias current. The 0.1Hz to
10Hz noise of only 550nV
125µV make them uncommon among 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 supply range and
low input capacitance, make them perfect for use as fast
signal processing amplifi ers.
These op amps have an output stage that swings within
30mV of either supply rail to maximize the signal dynamic
range in low supply applications. The input common mode
range extends to the negative supply. They are fully speci-
fi ed on 3V and 5V, and an HV version guarantees operation
on supplies up to ±5.5V.
The LTC6241 is available in the 8-pin SO, and for compact
designs it is packaged in the tiny dual fi ne pitch leadless
(DFN) package. The LTC6242 is available in the 16-Pin
SSOP as well as the 5mm × 3mm DFN package.
All other trademarks are the property of their respective owners.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Dual/Quad 18MHz, Low
®
6241/LTC6242 are dual and quad low noise,
60
50
40
30
20
10
0
1
Noise Voltage vs Frequency
Noise, Rail-to-Rail,
10
U
LTC6241/LTC6242
CMOS Op Amps
FREQUENCY (Hz)
100
P-P
, along with an offset of just
1k
T
V
V
10k
A
S
CM
= 25°C
= ±2.5V
6241 TA01b
= 0V
100k
62412f
1
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