ADI LT1783HS6#TRMPBF

The LT1783 is a 1.25MHz 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 300μA of quiescent current and has reverse-battery protection, drawing negligible current for reverse supply voltages up to 18V.

The input range of the LT1783 includes ground, and a unique feature of this device is its Over-The-Top operation 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 LT1783 can drive loads up to 18mA 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 LT1783 op amp is available in the 5- and 6-lead SOT-23 packages.

• Operates with Inputs Above V+
• Rail-to-Rail Input and Output
• Micropower: 300μA Supply Current Max
• Operating Temperature Range: -40°C to 125°C
• Gain Bandwidth Product: 1.25MHz
• Slew Rate: 0.42V/μs
• Low Input Offset Voltage: 800μV Max
• Single Supply Input Range: 0V to 18V
• High Output Current: 18mA Min
• Specified on 3V, 5V and ±5V Supplies
• Output Shutdown on 6-Lead Version
• Reverse-Battery Protection to 18V
• High Voltage Gain: 1500V/mV
• Low Profile (1mm) ThinSOT Package

• Portable Instrumentation
• Battery- or Solar-Powered Systems
• Sensor Conditioning
• Supply Current Sensing
• Battery Monitoring
• MUX Amplifiers
• 4mA to 20mA Transmitters
• Positive Supply Rail Current Sense
• Distribution of Input Offset Voltage