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LT1784IS5#TRMPBF

Description
Op Amp Single Low Power Amplifier R-R I/O ±9V/18V Automotive 5-Pin TSOT-23 T/R
File Size194KB,12 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Download user manual Parametric View All

LT1784IS5#TRMPBF Overview

Op Amp Single Low Power Amplifier R-R I/O ±9V/18V Automotive 5-Pin TSOT-23 T/R

LT1784IS5#TRMPBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.33.00.01
TypeLow Power Amplifier
Manufacturer TypeLow Power Amplifier
Number of Channels per Chip1
Rail to RailRail to Rail Input/Output
Process TechnologyBipolar
Maximum Input Offset Voltage (mV)3.5@5V
Minimum Single Supply Voltage (V)2.5
Typical Single Supply Voltage (V)3|5|9|12|15
Maximum Single Supply Voltage (V)18
Minimum Dual Supply Voltage (V)±1.25
Typical Dual Supply Voltage (V)±3|±5
Maximum Dual Supply Voltage (V)±9
Maximum Input Offset Current (uA)50@5V@-40C to 85C
Maximum Input Bias Current (uA)400@5V@-40C to 85C
Maximum Supply Current (mA)0.75@5V
Power Supply TypeSingle|Dual
Typical Slew Rate (V/us)2.1@5V
Typical Input Noise Voltage Density (nV/rtHz)25@5V
Typical Voltage Gain (dB)120
Typical Noninverting Input Current Noise Density (pA/rtHz)0.3@5V
Minimum PSRR (dB)90
Minimum CMRR (dB)60
Minimum CMRR Range (dB)60 to 65
Typical Gain Bandwidth Product (MHz)2.5
Typical Settling Time (ns)3700
Shut Down SupportNo
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
Supplier Temperature GradeIndustrial
PackagingTape and Reel
Pin Count5
Standard Package NameSOT
Supplier PackageTSOT-23
MountingSurface Mount
Package Height0.9(Max)
Package Length2.9
Package Width1.75(Max)
PCB changed5
Lead ShapeGull-wing
FEATURES
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LT1784
2.5MHz, Over-The-Top
Low Power, Rail-to-Rail Input
and Output Op Amp in SOT-23
DESCRIPTION
The LT
®
1784 is a 2.5MHz op amp available in the small
SOT-23 package that operates on all single and split supplies
with a total voltage of 2.5V to 18V. The amplifier draws less
than 750μA of quiescent current and has reverse battery
protection, drawing negligible current for reverse supply
voltages up to 18V.
The input range of the LT1784 includes ground, and a
unique feature of this device is its Over-The-Top
®
opera-
tion capabilitity with either or both of its inputs above the
positive rail. The inputs handle 18V both differential and
common mode, independent of supply voltage. The input
stage incorporates phase reversal protection to prevent
false outputs from occurring even when the inputs are 9V
below the negative supply.
The LT1784 can drive loads up to 15mA and still maintain
rail-to-rail capability. A shutdown feature on the 6-lead
version can disable the part, making the output high
impedance and reducing quiescent current to 5μA. The
LT1784 op amp is available in the 5- and 6-lead SOT-23
packages. For applications requiring lower power, refer to
the LT1782 and LT1783 data sheets.
L,
LT, LTC, LTM, Linear Technology, the Linear logo and Over-The-Top 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.
Operates with Inputs Above V
+
Rail-to-Rail Input and Output
Gain Bandwidth Product: 2.5MHz
Slew Rate: 2.1V/μs
Low Input Offset Voltage: 3.5mV Max
High Voltage Gain: 1000V/mV
Single Supply Input Range: 0V to 18V
Specified on 3V, 5V and ±5V Supplies
Reverse Battery Protection to 18V
Low Power: 750μA Supply Current Max
Output Shutdown on 6-Lead Version
High Output Current: 15mA Min
Operating Temperature Range: –40°C to 85°C
Low Profile (1mm) ThinSOT™ Package
APPLICATIONS
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Portable Instrumentation
Battery-Powered Systems
Sensor Conditioning
Supply Current Sensing
MUX Amplifiers
4mA to 20mA Transmitters
TYPICAL APPLICATION
Programmable Gain, A
V
= 2, A
V
= 20, 100kHz Amplifier
V
CC
A
V
= 20
A
V
= 2
SHDN
IN
SHDN
V
CC
V
CC
Programmable Gain Amplifier
Frequency Response
30
25
20
15
A
V
= 20
+
LT1784
OUT
GAIN (dB)
10
5
0
–5
–10
A
V
= 2
V
EE
+
LT1782
V
EE
R1
R2
10k
9.09k
R3
1k
A
V
= 1+
OR 1+
(
(
R1 + R2
R3
R1
R2 + R3
)
)
1784 TA01a
–15
–20
1k
10k
100k
1M
FREQUENCY (Hz)
10M
1784 TA01b
1784fa
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