The OPA369 and OPA2369 are ultra-low-power, low-voltage operational amplifiers from TexasInstruments designed especially for battery-powered applications.
The OPAx369 operates on a supply voltage as low as 1.8V and has true rail-to-rail operation that makes it useful for a wide range of applications. The zerø-crossover feature resolves the problem of input crossover distortion that becomes very prominent in low voltage (< 3V), rail-to-rail input applications.
In addition to microsize packages and very low quiescent current, the OPAx369 features 12kHz bandwidth, low offset drift (1.75µV/°C, max), and low noise 3.6µVPP (0.1Hz to 10Hz).
The OPA369 (single version) is offered in an SC70-5 package. The OPA2369 (dual version) comes in both MSOP-8 and SOT23-8 packages.
| Number of channels | 2 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 5.5 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 1.8 |
| Vos (offset voltage at 25°C) (max) (mV) | 0.75 |
| GBW (typ) (MHz) | 0.012 |
| Features | EMI Hardened, Zero Crossover |
| Slew rate (typ) (V/µs) | 0.005 |
| Rail-to-rail | In, Out |
| Offset drift (typ) (µV/°C) | 0.4 |
| Iq per channel (typ) (mA) | 0.0007 |
| Vn at 1 kHz (typ) (nV√Hz) | 290 |
| CMRR (typ) (dB) | 114 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| Input bias current (max) (pA) | 50 |
| Iout (typ) (A) | 0.01 |
| Architecture | CMOS |
| Input common mode headroom (to negative supply) (typ) (V) | 0 |
| Input common mode headroom (to positive supply) (typ) (V) | 0 |
| Output swing headroom (to negative supply) (typ) (V) | 0.01 |
| Output swing headroom (to positive supply) (typ) (V) | -0.01 |
| SOT-23 (DCN) | 8 | 4.64 mm² 2.9 x 1.6 |
| VSSOP (DGK) | 8 | 14.7 mm² 3 x 4.9 |
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