LINEAR LT1797 10MHz SOT-23 Data Sheet User Manual
Summary
Technical datasheet for Linear Technology LT1797 10MHz rail-to-rail input and output operational amplifier in 5-lead SOT-23 package. This unity-gain stable amplifier operates on single or split supplies from 2.7V to 12V with 1mA quiescent current and 2.25V/μs slew rate. Features include 1.5mV maximum input offset voltage, phase reversal protection, and output swing within 50mV of negative rail and 8mV of positive rail. Suitable for portable instrumentation, rail-to-rail buffers, low voltage sign
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LT1797
10MHz, Rail-to-Rail Input and Output Op Amp in SOT-23
FEATURES DESCRIPTIO Rail-to-Rail Input and Output The LT®1797 is a unity-gain stable 10MHz op amp avail- Small SOT-23 Package able in the small SOT-23 package that operates on all Gain Bandwidth Product: 10MHz single and split supplies with a total voltage of 2.7V to 12V. –40°C to 85°C Operation The amplifier draws 1m A of quiescent current and has a
Slew Rate: 2.25V/µs slew rate of 2.25V/µs.
Low Input Offset Voltage: 1.5m V Max
The input common mode range of the LT1797 includes
High Output Current: 25m A Min
both rails, making it ideal for current sensing applications.
Specified on 3V, 5V and ±5V Supplies
The input stage incorporates phase reversal protection to
High Voltage Gain: 1000V/m V 10k Load
prevent false outputs from occurring when the inputs are
High CMRR: 88d B Min
driven beyond the supplies. Protective resistors are in-
High PSRR: 80d B Min
cluded in the input leads so that current does not become
Input Bias Current: 300n A Max
excessive when the inputs are forced above or below the
Input Offset Current: 25n A Max
supplies.
APPLICATIO S
The output of the LT1797 can swing to within 50m V of V
– without drawing excess current in either
and 8m V of V
Portable Instrumentation
condition. The amplifier can drive loads up to 25m A and
Rail-to-Rail Buffer Amplifiers
still maintain rail-to-rail capability.
Low Voltage Signal Processing Driving A/D Converters The LT1797 op amp is available in the space saving 5-lead Battery-Powered Systems SOT-23 package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATION
Fast Compact –48V Current Sense
VOUT = 3V – 0.1Ω • ISENSE ISENSE = 0A TO 30A ACCURACY ≈ 3%
VOUT Q1 R1 1k FMMT493 4.7k 1%
VS = 3V
3.3k R1 REDUCES Q1 DISSIPATION
LT1797
SETTLES TO 1% IN 2µs, 1V OUTPUT STEP
BZX84C6V8
VZ = 6.8V
–48V SUPPLY –48V LOAD 1797 TA01
(–42V TO –56V) +– ISENSE
Page Summary Contents For LINEAR LT1797 10MHz SOT-23 Data Sheet User Manual
Manual Details
| Brand | Linear |
|---|---|
| Pages | 12 |
| File Size | 188.21 KB |
| Published | June 18, 2026 |
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Frequently Asked Questions
What is the operating temperature range for the LT1797?
The operational temperature range is specified as –40°C to 85°C.
How does the device perform in current sensing applications?
It can drive loads up to 25mA and maintains rail-to-rail capability, making it ideal for current sensing.
What is the peak voltage gain of this op amp?
The high voltage gain is rated at a minimum of 1000V/mV.
What type of packaging and size is used?
It is available in a small, space-saving SOT-23 package.