The OPA209 series of precision operational amplifiers achieve very low voltage noise density (2.2 nV/√Hz) with a supply current of only 2.5 mA (maximum). This series also offers rail-to-rail output swing, which helps to maximize dynamic range.
In precision data acquisition applications, the OPA209 provides fast settling time to 16-bit accuracy, even for 10-V output swings. This excellent ac performance, combined with only 150 µV (maximum) of offset and low drift over temperature, makes the OPA209 very suitable for fast, high-precision applications.
The OPA209 is specified over a wide dual power-supply range of ±2.25 V to ±18 V, or single-supply operation from 4.5 V to 36 V.
The OPA209 is available in the 5-pin SOT-23, 8-pin VSSOP, and the standard 8-pin SOIC packages. The dual OPA2209 comes in both 8-pin VSSOP and 8-pin SOIC packages. The quad OPA4209 is available in the 14-pin TSSOP package.
The OPA209 series is specified from –40°C to 125°C.
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| Number of channels | 1 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 36 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 4.5 |
| Vos (offset voltage at 25°C) (max) (mV) | 0.15 |
| GBW (typ) (MHz) | 18 |
| Slew rate (typ) (V/µs) | 6.4 |
| Rail-to-rail | Out |
| Offset drift (typ) (µV/°C) | 1 |
| Iq per channel (typ) (mA) | 2.2 |
| Vn at 1 kHz (typ) (nV√Hz) | 2.2 |
| CMRR (typ) (dB) | 130 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 125 |
| Input bias current (max) (pA) | 4500 |
| Iout (typ) (A) | 0.065 |
| Architecture | Bipolar |
| Input common mode headroom (to negative supply) (typ) (V) | 1.5 |
| Input common mode headroom (to positive supply) (typ) (V) | -1.5 |
| Output swing headroom (to negative supply) (typ) (V) | 0.2 |
| Output swing headroom (to positive supply) (typ) (V) | -0.2 |
| THD + N at 1 kHz (typ) (%) | 0.000025 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
| SOT-23 (DBV) | 5 | 8.12 mm² 2.9 x 2.8 |
| VSSOP (DGK) | 8 | 14.7 mm² 3 x 4.9 |
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