
LT6202/LT6203/LT6204
Single/Dual/Quad 100MHz,
Rail-to-Rail Input and Output,
1
620234fa
The LT
6202/LT6203/LT6204 are single/dual/quad low
noise, rail-to-rail input and output unity gain stable op
amps that feature 1.9nV/
√
Hz noise voltage and draw only
2.5mA of supply current per amplifier. These amplifiers
combine very low noise and supply current with a 100MHz
gain bandwidth product, a 25V/
μ
s slew rate, and are
optimized for low supply signal conditioning systems.
These amplifiers maintain their performance for supplies
from 2.5V to 12.6V and are specified at 3V, 5V and
±
5V
supplies. Harmonic distortion is less than –80dBc at
1MHz making these amplifiers suitable in low power data
acquisition systems.
The LT6202 is available in the 5-pin SOT-23 and the 8-pin
SO, while the LT6203 comes in 8-pin SO and MSOP pack-
ages with standard op amp pinouts. For compact layouts
the LT6203 is also available in a tiny fine line leadless
package (DFN), while the quad LT6204 is available in the
16-pin SSOP and 14-pin SO packages. These devices can
be used as plug-in replacements for many op amps to
improve input/output range and noise performance.
I
Low Noise, Low Power Signal Processing
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Active Filters
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Rail-to-Rail Buffer Amplifiers
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Driving A/D Converters
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DSL Receivers
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Battery Powered/Battery Backed Equipment
, LTC and LT are registered trademarks of Linear Technology Corporation.
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Low Noise Voltage: 1.9nV/
√
Hz (100kHz)
I
Low Supply Current: 3mA/Amp Max
I
Gain Bandwidth Product: 100MHz
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Dual LT6203 in Tiny DFN Package
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Low Distortion: –80dB at 1MHz
I
Low Offset Voltage: 500
μ
V Max
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Wide Supply Range: 2.5V to 12.6V
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Input Common Mode Range Includes Both Rails
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Output Swings Rail-to-Rail
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Common Mode Rejection Ratio 90dB Typ
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Unity Gain Stable
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Low Noise Current: 1.1pA/
√
Hz
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Output Current: 30mA Min
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Operating Temperature Range –40
°
C to 85
°
C
APPLICATIOU
Ultralow 1.9nV/
√
Hz Noise, Low Power Op Amps
DESCRIPTIO
Low Noise 4- to 2-Wire Local Echo Cancellation Differential Receiver
Line Receiver Integrated Noise 25kHz to 150kHz
BANDWIDTH (kHz)
0
I
μ
V
R
)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
40
80
100
6203 TA01b
20
60
120 140
160
1:1
V
L
100
LINE
50
50
1k
1k
V
LINE
RECEIVER
2k
1k
1k
2k
6203 TA01a
–
1/2 LT1739
+
–
+
–
+
–
1/2 LT6203
+
V
D
LINE
DRIVER
1/2 LT6203
1/2 LT1739
FEATURES
TYPICAL APPLICATIO
U
U