The LT ®1635 is a new analog building block that includes a rail-to-rail output op amp, a precision reference and reference buffer. The device operates from supplies as low as a single 1.2V or up to ±5V, yet it consumes only 130µA of supply current. The input common mode range of the op amp includes ground and incorporates phase reversal protection to pre- vent false outputs from occurring when the input is below the negative supply. The rail-to-rail output stage can swing to within 15mV of each rail with no load and can swing to within 250mV of each rail while delivering 10mA of output current. The gain bandwidth of the op amp is 175kHz and it is unity- gain stable with up to 1000pF load capacitance. The 0.2V reference is referred to V– and includes a buffer amplifier to enhance flexibility. The reference and buffer combine to achieve a drift of 30ppm/°C, a line regulation of 20ppm/V and a load regulation of 150ppm/mA. The LT1635 is available in 8-pin PDIP and SO packages, and has the industry standard LM10 pinout.
The LT1635 is a micropower rail‑to‑rail operational amplifier combined with a precision reference on a single chip. It operates from a supply as low as 1.2 V up to 14 V, draws only about 130 µA, and delivers up to 10 mA output current with rail‑to‑rail swing.
The device is offered in 8‑lead PDIP, SO‑8, and MSOP packages and is suited for battery‑ or solar‑powered systems, sensor conditioning, precision voltage and current regulation, and portable instrumentation. Typical performance graphs, absolute maximum ratings, and application examples are included.
| Input Offset Voltage | 0.3 mV (min) – 1.3 mV (max) |
|---|---|
| Gain Bandwidth Product | 175 kHz |
| Output Voltage Swing (Low) | ≈10 mV at 5 V supply, no load |
| Output Voltage Swing (High) | ≈4.985 V at 5 V supply, no load |
| Package Options | 8‑lead PDIP, SO‑8, MSOP (8‑lead Plastic Small Outline) |
The input offset voltage ranges from 0.3 mV minimum to 1.3 mV maximum.
The device is offered in 8‑lead PDIP, SO‑8, and an 8‑lead Plastic Small Outline (MSOP) package.
The LT1635 has a gain‑bandwidth product of 175 kHz.