| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 14 Pin |
| Supply Voltage (DC) | 22.0 V |
| Case/Package | SOIC-14 |
| Output Current | 20 mA |
| Supply Current | 50 µA |
| Number of Circuits | 4 Circuit |
| Number of Channels | 4 Channel |
| Number of Positions | 14 Position |
| Bandwidth | 200 kHz |
| Slew Rate | 60.0 mV/μs |
| Gain Bandwidth Product | 0.18 MHz |
| Input Offset Voltage | 400 µV |
| Input Bias Current | 4 nA |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Gain Bandwidth | 0.18 MHz |
| Minimum CMRR Range | 84 dB |
| Supply Voltage (Max) | 44 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Unknown |
| Packaging | Each |
| Size-Length | 8.74 mm |
| Size-Width | 3.99 mm |
| Size-Height | 1.48 mm |
| Operating Temperature | 0℃ ~ 70℃ |
The LT1491CS#PBF is a quad Operational Amplifier operates on all single and split supplies with a total voltage of 2 to 44V drawing only 40µA of quiescent current per amplifier. The amplifier is reverse supply protected, they draw no current for reverse supply up to 18V. The input range of the LT1491 includes both supplies and the output swings to both supplies. Unlike most micropower op amps, the LT1491 can drive heavy loads, their rail-to-rail outputs drive 20mA. The LT1491 is unity-gain stable and drive all capacitive loads up to 10,000pF when optional 0.22mF and 150R compensation is used. The LT1491 has an unique input stage that operates and remains high impedance when above the positive supply. The inputs take 44V both differential and common mode even when operating on a 3V supply. Built-in resistors protect the inputs for faults below the negative supply up to 22V. There is no phase reversal of the output for inputs 22V below V- or 44V above V-, independent of V+.
● Specified on 3, 5 and ±15V supplies
● Reverse battery protection to 18V
● No supply sequencing problems
● 1500V/mV High voltage gain
● 98dB High CMRR
● No phase reversal
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