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LT6237IMS8#TRPBF

Description
Op Amp Dual Low Noise Amplifier R-R O/P ±6.3V/12.6V 8-Pin MSOP T/R
File Size1MB,26 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LT6237IMS8#TRPBF Overview

Op Amp Dual Low Noise Amplifier R-R O/P ±6.3V/12.6V 8-Pin MSOP T/R

LT6237IMS8#TRPBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.33.00.01
TypeLow Noise Amplifier
Manufacturer TypeLow Noise Amplifier
Number of Channels per Chip2
Rail to RailRail to Rail Output
Maximum Input Offset Voltage (mV)0.35@5V
Minimum Single Supply Voltage (V)3
Typical Single Supply Voltage (V)3.3|5
Maximum Single Supply Voltage (V)12.6
Minimum Dual Supply Voltage (V)±1.5
Typical Dual Supply Voltage (V)±5
Maximum Dual Supply Voltage (V)±6.3
Typical Low Level Output Voltage (V)0.185
Typical High Level Output Voltage (V)0.25
Maximum Input Offset Current (uA)0.6@5V
Typical Input Bias Current (uA)5@5V
Maximum Input Bias Current (uA)10@5V
Maximum Supply Current (mA)7@5V
Power Supply TypeSingle|Dual
Typical Slew Rate (V/us)60@5V
Typical Input Noise Voltage Density (nV/rtHz)1.1@5V
Input Offset Voltage Drift (uV/°C)2.2
Typical Voltage Gain (dB)106.02
Typical Noninverting Input Current Noise Density (pA/rtHz)2.4@5V
Minimum PSRR (dB)90
Minimum CMRR (dB)90
Minimum CMRR Range (dB)90 to 95
Typical Gain Bandwidth Product (MHz)200
Typical Settling Time (ns)570
Shut Down SupportNo
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
Supplier Temperature GradeIndustrial
PackagingTape and Reel
Pin Count8
Standard Package NameMSOP
Supplier PackageMSOP
MountingSurface Mount
Package Height0.86
Package Length3
Package Width3
PCB changed8
Lead ShapeGull-wing
FeaTures
n
n
n
n
n
n
n
n
n
n
n
n
LT6236/LT6237/LT6238
Rail-to-Rail Output
215MHz, 1.1nV/√Hz
Op Amp/SAR ADC Driver
DescripTion
The
LT
®
6236/LT6237/LT6238
are single/dual/quad low
noise, rail-to-rail output op amps that feature 1.1nV/√Hz
input referred noise voltage density and draw only 3.5mA
of supply current per amplifier. These amplifiers combine
very low noise and supply current with a 215MHz gain
bandwidth product and a 70V/µs slew rate. Low noise, fast
settling time and low offset voltage make this amplifier
optimal to drive low noise, high speed SAR ADCs. The
LT6236 includes a shutdown feature that can be used to
reduce the supply current to less than 10µA.
This amplifier family has an output that swings within
50mV of either supply rail to maximize the signal dynamic
range in low supply applications and is specified on 3.3V,
5V and ±5V supplies.
The LT6236/LT6237/LT6238 are upgrades to the LT6230/
LT6231/LT6232, offering similar performance with reduced
wideband noise beyond 100kHz.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property
of their respective owners.
n
Low Noise: 1.1nV/√Hz
Low Supply Current: 3.5mA/Amp Max
Low Offset Voltage: 350µV Max
Fast Settling Time: 570ns to 18-Bit, 2V
P-P
Output
Low Distortion: THD = –116.8dB at 2kHz
Wide Supply Range: 3V to 12.6V
Output Swings Rail-to-Rail
215MHz Gain-Bandwidth Product
Specified Temperature Range: –40°C to 125°C
LT6236 Shutdown to 10µA Max
LT6236 in Low Profile (1mm) ThinSOT™ Package
Dual LT6237 in 3mm
×
3mm 8-Lead DFN and 8-Lead
MSOP Packages
LT6238 in 16-Lead SSOP Package
applicaTions
n
n
n
16-Bit and 18-Bit SAR ADC Drivers
Active Filters
Low Noise, Low Power Signal Processing
Typical applicaTion
Differentially Driving a SAR ADC
IN
+
+
V
S+
= 6V
LOWPASS FILTERS
38.3
270pF
49.9
IN
+
LTC2389-18
38.3
270pF
49.9
IN
623637 TA01a
LT6237 Driving LTC2389-18 f
IN
= 2kHz,
–1dBFS, 32768-Point FFT
0
V
OUT
= 7.3V
P-P
–10
HD2 = –129.5dBc
–20
HD3 = –118.7dBc
–30
SFDR = 117.7dB
–40
THD = –116.8dB
–50
SNR = 99.7dB
–60
SINAD = 98.9dB
–70
–80
–90
–100
–110
–120
–130
–140
–150
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
FREQUENCY (MHz)
62367 TA01b
1/2 LT6237
18-BIT
2.5Msps
1/2 LT6237
IN
+
V
S–
= –2V
AMPLITUDE (dBFS)
623637fb
For more information
www.linear.com/LT6236
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