LT1809/LT1810
Single/Dual 180MHz, 350V/s
Rail-to-Rail Input and Output
Low Distortion Op Amps
FEATURES DESCRIPTION
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3dB Bandwidth: 320MHz, A = 1 The LT 1809/LT1810 are single/dual low distortion rail-to-
V
n
Gain-Bandwidth Product: 180MHz, A 10 rail input and output op amps with a 350V/s slew rate.
V
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Slew Rate: 350V/s These ampli ers have a 3dB bandwidth of 320MHz at
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Wide Supply Range: 2.5V to 12.6V unity-gain, a gain-bandwidth product of 180MHz (A 10)
V
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Large Output Current: 85mA and an 85mA output current to t the needs of low voltage,
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Low Distortion, 5MHz: 90dBc high performance signal conditioning systems.
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Input Common Mode Range Includes Both Rails
The LT1809/LT1810 have an input range that includes
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Output Swings Rail-to-Rail
both supply rails and an output that swings within 20mV
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Input Offset Voltage, Rail-to-Rail: 2.5mV Max
of either supply rail to maximize the signal dynamic range
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Common Mode Rejection: 89dB Typ
in low supply applications.
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Power Supply Rejection: 87dB Typ
n The LT1809/LT1810 have very low distortion (90dBc) up
Open-Loop Gain: 100V/mV Typ
n to 5MHz that allows them to be used in high performance
Shutdown Pin: LT1809
n data acquisition systems.
Single in 8-Pin SO and 6-Pin SOT-23 Packages
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Dual in 8-Pin SO and MSOP Packages
The LT1809/LT1810 maintain their performance for supplies
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Operating Temperature Range: 40C to 85C
from 2.5V to 12.6V and are speci ed at 3V, 5V and 5V
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Low Pro le (1mm) SOT-23 (ThinSOT) Package
supplies. The inputs can be driven beyond the supplies
without damage or phase reversal of the output.
APPLICATIONS
The LT1809 is available in the 8-pin SO package with the
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Driving A/D Converters
standard op amp pinout and the 6-pin SOT-23 package.
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Low Voltage Signal Processing
The LT1810 features the standard dual op amp pinout and
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Active Filters
is available in 8-pin SO and MSOP packages. These devices
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Rail-to-Rail Buffer Ampli ers
can be used as a plug-in replacement for many op amps
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Video Line Driver
to improve input/output range and performance.
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.
TYPICAL APPLICATION
Distortion vs Frequency
40
A = +1
High Speed ADC Driver
V
V = 2V
IN P-P
50
5V
V = 5V
S
5V
60
V
IN R3
+
1V
P-P 49.9 LTC 1420 70
12 BITS
R = 100, 2ND
L
LT1809 +A PGA GAIN = 1
IN
10Msps
REF = 2.048V
C1 A 80
IN
470pF
R2
5V 90
1809 TA01a
1k
R = 100, 3RD
L
R = 1k, 3RD
5V L
100
R1
R = 1k, 2ND
L
1k
110
0.311030
FREQUENCY (MHz)
1809 TA01b
180910fa
1
DISTORTION (dB)LT1809/LT1810
ABSOLUTE MAXIMUM RATINGS
(Note 1)
+
Total Supply Voltage (V to V ) ............................. 12.6V Speci ed Temperature Range (Note 5) ....40C to 85C
Input Voltage (Note 2) ............................................... V Junction Temperature ........................................... 150C
S
Input Current (Note 2) ......................................... 10mA Storage Temperature Range .................. 65C to 150C
Output Short-Circuit Duration (Note 3) ............ Inde nite Lead Temperature (Soldering, 10 sec)...................300C
Operating Temperature Range (Note 4) ...40C to 85C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
SHDN 1 8 NC
+
OUT 1 6 V
+
IN 2 7 V
V 2 5SHDN
+
+IN OUT
3 6
+IN 3 4 IN
V 4 5 NC
S6 PACKAGE
6-LEAD PLASTIC TSOT-23 S8 PACKAGE
8-LEAD PLASTIC SO
T = 150C, = 145C/W (Note 9)
JMAX JA
T = 150C, = 100C/W (Note 9)
JMAX JA
TOP VIEW
TOP VIEW
+
OUT A 1 8 V
+
OUT A 1 8 V
IN A 2 7 OUT B
IN A 2 7 OUT B
A
+IN A 3 6 IN B
+IN A IN B
3 6
V 4 5 +IN B
B
V 4 5 +IN B
MS8 PACKAGE
8-LEAD PLASTIC MSOP
S8 PACKAGE
T = 150C, = 130C/W (Note 9) 8-LEAD PLASTIC SO
JMAX JA
T = 150C, = 100C/W (Note 9)
JMAX JA
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION SPECIFIED TEMPERATURE RANGE
LT1809CS6#PBF LT1809CS6#TRPBF LTKY 6-Lead Plastic TSOT-23 0C to 70C
LT1809IS6#PBF LT1809IS6#TRPBF LTUF 6-Lead Plastic TSOT-23 40C to 85C
LT1809CS8#PBF LT1809CS8#TRPBF 1809 8-Lead Plastic SO 0C to 70C
LT1809IS8#PBF LT1809IS8#TRPBF 1809I 8-Lead Plastic SO 40C to 85C
LT1810CMS8#PBF LT1810CMS8#TRPBF LTRF 8-Lead Plastic MSOP 0C to 70C
LT1810IMS8#PBF LT1810IMS8#TRPBF LTTQ 8-Lead Plastic MSOP 40C to 85C
LT1810CS8#PBF LT1810CS8#TRPBF 1810 8-Lead Plastic SO 0C to 70C
LT1810IS8#PBF LT1810IS8#TRPBF 1810I 8-Lead Plastic SO 40C to 85C
Consult LTC Marketing for parts speci ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based nish parts.
For more information on lead free part marking, go to: