مخطط الأطراف
مخطط أطراف مضخم عمليات مزدوج (DIP-8، مثل LM358)
الأطراف
- 1: OUT1
- 2: IN1− (inverting)
- 3: IN1+ (non-inverting)
- 4: GND (V−)
- 5: IN2+ (non-inverting)
- 6: IN2− (inverting)
- 7: OUT2
- 8: VCC (V+)
المواصفات
| Example part | LM358 (LM2904 for automotive/wide temperature) |
|---|---|
| جهد التغذية | 3–32 V single, or ±1.5–±16 V dual |
| Supply current | ≈ 0.5–0.7 mA typ for both amps (by manufacturer) |
| Gain-bandwidth | ≈ 0.7–1 MHz (by manufacturer) |
| معدل التغير (Slew rate) | ≈ 0.3 V/µs |
| Input common-mode range | Includes ground (V−), up to VCC − 1.5 V |
| Output swing | Close to ground, up to about VCC − 1.5 V (not rail-to-rail at the top) |
| Output current | ≈ 30 mA source / 20 mA sink typ, short-circuit protected |
| Input offset voltage | ≈ 2 mV typ, 7 mV max |
| Operating temperature | LM358: 0–70 °C; LM2904: −40–125 °C |
| الغلاف | DIP-8, SOIC-8, TSSOP-8 |
