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LT6234IDD

Description
Op Amp Dual Low Noise Amplifier R-R O/P ±6.3V/12.6V Automotive 8-Pin DFN EP
File Size752KB,24 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LT6234IDD Overview

Op Amp Dual Low Noise Amplifier R-R O/P ±6.3V/12.6V Automotive 8-Pin DFN EP

LT6234IDD Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesNot Compliant
ECCN (US)EAR99
Part StatusUnconfirmed
HTS8542.33.00.01
SVHCYes
SVHC Exceeds ThresholdYes
TypeLow Noise Amplifier
Manufacturer TypeLow Noise Amplifier
Number of Channels per Chip2
Rail to RailRail to Rail Output
Maximum Input Offset Voltage (mV)0.45@5V
Minimum Single Supply Voltage (V)3
Typical Single Supply Voltage (V)5|9|12
Maximum Single Supply Voltage (V)12.6
Minimum Dual Supply Voltage (V)±1.5
Typical Dual Supply Voltage (V)±3|±5
Maximum Dual Supply Voltage (V)±6.3
Maximum Input Offset Current (uA)0.3@5V
Maximum Input Bias Current (uA)3@5V
Maximum Supply Current (mA)2.4@5V
Typical Output Current (mA)30
Power Supply TypeSingle|Dual
Typical Slew Rate (V/us)15@5V
Typical Input Noise Voltage Density (nV/rtHz)1.9@5V
Typical Voltage Gain (dB)102.92
Typical Noninverting Input Current Noise Density (pA/rtHz)0.78@5V
Minimum PSRR (dB)90
Minimum CMRR (dB)90
Minimum CMRR Range (dB)90 to 95
Typical Gain Bandwidth Product (MHz)55
Typical Settling Time (ns)175
Shut Down SupportNo
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
Supplier Temperature GradeIndustrial
Pin Count8
Standard Package NameDFN
Supplier PackageDFN EP
MountingSurface Mount
Package Height0.75(Max)
Package Length3
Package Width3
PCB changed8
Lead ShapeNo Lead
LT6233/LT6233-10
LT6234/LT6235
60MHz, Rail-to-Rail Output,
1.9nV/√Hz, 1.2mA Op Amp Family
FeaTures
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DescripTion
The LT
®
6233/LT6234/LT6235 are single/dual/quad low
noise, rail-to-rail output unity-gain stable op amps that
feature 1.9nV/√Hz noise voltage and draw only 1.2mA of
supply current per amplifier. These amplifiers combine
very low noise and supply current with a 60MHz gain-
bandwidth product, a 17V/µs slew rate and are optimized
for low supply voltage signal conditioning systems. The
LT6233-10 is a single amplifier optimized for higher gain
applications resulting in higher gain bandwidth and slew
rate. The LT6233 and LT6233-10 include an enable pin
that can be used to reduce the supply current to less
than 10µA.
The 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 e
n
• √I
SUPPLY
product of 2.1 per amplifier
is among the most noise efficient of any op amp.
The LT6233/LT6233-10 are available in the 6-lead SOT-23
package and the LT6234 dual is available in the 8-pin SO
package with standard pinouts. For compact layouts,
the dual is also available in a tiny dual fine pitch leadless
package (DFN). The LT6235 is available in the 16-pin
SSOP package.
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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Low Noise Voltage: 1.9nV/√Hz
Low Supply Current: 1.2mA/Amp Max
Low Offset Voltage: 350µV Max
Gain-Bandwidth Product:
LT6233: 60MHz; A
V
≥ 1
LT6233-10: 375MHz; A
V
≥ 10
Wide Supply Range: 3V to 12.6V
Output Swings Rail-to-Rail
Common Mode Rejection Ratio: 115dB Typ
Output Current: 30mA
Operating Temperature Range: –40°C to 85°C
LT6233 Shutdown to 10µA Maximum
LT6233/LT6233-10 in a Low Profile (1mm)
ThinSOT™ Package
Dual LT6234 in 8-Pin SO and Tiny DFN Packages
LT6235 in a 16-Pin SSOP Package
applicaTions
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Ultrasound Amplifiers
Low Noise, Low Power Signal Processing
Active Filters
Driving A/D Converters
Rail-to-Rail Buffer Amplifiers
Typical applicaTion
Low Noise Low Power Instrumentation Amplifier
V
S+
IN
+
1/2 LT6234
R2
475
R1
49.9
R3
475
1/2 LT6234
IN
V
S–
R5
499
R4
499
V
S+
R6
499
6
5
NOISE VOLTAGE (nV/√Hz)
4
3
2
1
623345 TA01a
Noise Voltage and Unbalanced
Noise Current vs Frequency
V
S
= ±2.5V
T
A
= 25°C
V
CM
= 0V
6
UNBALANCED NOISE CURRENT (pA/√Hz)
5
4
3
NOISE VOLTAGE
2
1
NOISE CURRENT
0
10
100
1k
10k
FREQUENCY (Hz)
0
100k
623345 TA01b
+
LT6233
V
OUT
EN
R7
V
S–
499
I
S
= 3mA
E
N
= 8µV
RMS
INPUT REFERRED,
MEASUREMENT BW = 4MHz
A
V
= 20
BW = 2.8MHz
V
S
= ±1.5V to ±5V
623345fc
1

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