Maxim Integrated MAX44290ANT+T, General Purpose Amplifier, 1 Circuit, Rail-to-Rail, 15 MHz Gain Bandwidth, 750 µA Supply, 1.8V to 5.5V, -40°C to 125°C, 6-WLP (1.24x0.84).
| Parameter | Value |
|---|---|
| Output type | Rail-to-Rail |
| Mounting | Surface Mount |
| Amplifier type | General Purpose |
| Voltage - input offset | 50 µV |
| Voltage - supply span | 5.5 V |
| Current - supply | 750µA |
| Current - input bias | 0.5 pA |
| Operating temperature | -40°C ~ 125°C |
| Gain bandwidth product | 15 MHz |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Case | 6-XFBGA, WLPBGA |
| Number of circuits | 1 |
The Maxim Integrated MAX44290ANT+T is a single general-purpose op-amp in a 6-bump wafer-level package (WLP) measuring 1.24×0.84 mm. It delivers a 15 MHz gain-bandwidth product while drawing 750 µA supply current, making it a fit for space-constrained, battery-powered signal chains — think portable instrumentation, sensor conditioning, or IoT edge nodes where board area is the tightest constraint.
Yes, the MAX44290ANT+T has a rail-to-rail output stage, allowing the output voltage to swing close to both supply rails. This is particularly useful in low-voltage single-supply designs where headroom is limited.
The MAX44290ANT+T shares a rail-to-rail output and similar gain-bandwidth (15 MHz) with parts like the OPA376, but it comes in a much smaller WLP package (1.24×0.84 mm) versus the OPA376's typical SOT-23 or MSOP. The pinout differs, so they are not drop-in replacements. For a board-space-critical design, the MAX44290ANT+T is the tighter fit; for a larger footprint with easier hand-soldering, the OPA376 may be preferred.