The LMC6484 device provides a common-mode range that extends to both supply rails. This rail-to-rail performance combined with excellent accuracy, due to a high CMRR, makes this device unique among rail-to-rail input amplifiers.
The LMC6484 is an excellent choice for systems, such as data acquisition, that require a large input signal range. The device is also an excellent upgrade for circuits using limited common-mode range amplifiers, such as the TLC274 and TLC279.
Maximum dynamic signal range is maintained in low voltage and single-supply systems by the rail-to-rail output swing of the LMC6484. The rail-to-rail output swing of the LMC6484 is specified for loads down to 600 Ω.
Specified low voltage characteristics and low power dissipation make the LMC6484 an excellent choice for battery-operated systems.
See the LMC6482 for a dual CMOS operational amplifier with these same features.
| Number of channels | 4 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 15 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 3 |
| Vos (offset voltage at 25°C) (max) (mV) | 0.75 |
| GBW (typ) (MHz) | 1.5 |
| Slew rate (typ) (V/µs) | 1.3 |
| Rail-to-rail | In, Out |
| Offset drift (typ) (µV/°C) | 1 |
| Iq per channel (typ) (mA) | 0.4125 |
| Vn at 1 kHz (typ) (nV√Hz) | 37 |
| CMRR (typ) (dB) | 82 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| Input bias current (max) (pA) | 4 |
| Iout (typ) (A) | 0.015 |
| Architecture | CMOS |
| Input common mode headroom (to negative supply) (typ) (V) | -0.25 |
| Input common mode headroom (to positive supply) (typ) (V) | 0.25 |
| Output swing headroom (to negative supply) (typ) (V) | 0.1 |
| Output swing headroom (to positive supply) (typ) (V) | -0.1 |
| THD + N at 1 kHz (typ) (%) | 0.01 |
| PDIP (N) | 14 | 181.42 mm² 19.3 x 9.4 |
| SOIC (D) | 14 | 51.9 mm² 8.65 x 6 |
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