LF444-DIE 4 通道低功率运算放大器提供与工业标准 LM148 一样的交流 (AC) 特性,而同时又大大提升了 LM148 的直流 (DC) 特性。 此放大器具有与 LM148 一样的带宽、转换率以及增益,而汲取的电源电流仅为 LM148 的四分之一。 除了良好匹配的高压 JFET,LF444 的输入器件将 LM148 的输入偏置和偏移电流减少了 10000 倍。 LF444 还有一个针对低功率放大器的极低等效输入噪声电压。
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| Number of channels | 4 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 36 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 6 |
| Rail-to-rail | In to V+ |
| GBW (typ) (MHz) | 1 |
| Slew rate (typ) (V/µs) | 1 |
| Vos (offset voltage at 25°C) (max) (mV) | 5 |
| Iq per channel (typ) (mA) | 0.15 |
| Vn at 1 kHz (typ) (nV√Hz) | 35 |
| Rating | Catalog |
| Operating temperature range (°C) | 0 to 0 |
| Offset drift (typ) (µV/°C) | 10 |
| Input bias current (max) (pA) | 50 |
| CMRR (typ) (dB) | 95 |
| Iout (typ) (A) | 0.008 |
| Architecture | FET |
| Input common mode headroom (to negative supply) (typ) (V) | 4 |
| Input common mode headroom (to positive supply) (typ) (V) | -5 |
| Output swing headroom (to negative supply) (typ) (V) | 2 |
| Output swing headroom (to positive supply) (typ) (V) | -2 |
| DIESALE (TD) | — | See data sheet |
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