The OPA2364 and OPA4364 are high-performance CMOS operational amplifiers optimized for low-voltage single-supply operation. These miniature low-cost amplifiers are designed to operate on single supplies from 1.8 V (±0.9 V) to 5.5 V (±2.75 V). Applications include sensor amplification and signal conditioning in battery-powered systems.
The OPAx364 family offers excellent CMRR without the crossover associated with traditional complimentary input stages. This results in excellent performance for driving analog-to-digital (A/D) converters without degradation of differential linearity and total harmonic distortion (THD). The input common-mode range includes both the negative and positive supplies. The output voltage swing is within 10 mV of the rails.
The dual version is available in an SO-8 package and the quad package is available in an
SO-14 package. All versions are specified for operation from –40°C to 125°C.
| Number of channels | 4 |
| 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 |
| Rail-to-rail | In, Out |
| GBW (typ) (MHz) | 7 |
| Slew rate (typ) (V/µs) | 5 |
| Vos (offset voltage at 25°C) (max) (mV) | 3 |
| Iq per channel (typ) (mA) | 0.65 |
| Vn at 1 kHz (typ) (nV√Hz) | 17 |
| Rating | Automotive |
| Operating temperature range (°C) | -40 to 125 |
| Offset drift (typ) (µV/°C) | 3 |
| Input bias current (max) (pA) | 10 |
| CMRR (typ) (dB) | 90 |
| Iout (typ) (A) | 0.045 |
| Architecture | CMOS |
| Input common mode headroom (to negative supply) (typ) (V) | -0.1 |
| Input common mode headroom (to positive supply) (typ) (V) | 0.1 |
| Output swing headroom (to negative supply) (typ) (V) | 0.01 |
| Output swing headroom (to positive supply) (typ) (V) | -0.01 |
| SOIC (D) | 14 | 51.9 mm² 8.65 x 6 |
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