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| Part Number | LM4121IM5-1.2 | LM4121IM5X-1.2 | LM4121AIM5-1.2 |
|---|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments | Texas Instruments |
| Product Status | Active | Obsolete | Obsolete |
| Reference Type | Series | Series | Series |
| Output Type | Fixed | Fixed | Fixed |
| Voltage - Output (Min/Fixed) | 1.25V | 1.25V | 1.25V |
| Voltage - Output (Max) | - | - | - |
| Current - Output | 5 mA | 5 mA | 5 mA |
| Tolerance | ±0.5% | ±0.5% | ±0.2% |
| Temperature Coefficient | 50ppm/°C | 50ppm/°C | 50ppm/°C |
| Noise - 0.1Hz to 10Hz | 20µVp-p | 20µVp-p | 20µVp-p |
| Noise - 10Hz to 10kHz | 30µVrms | 30µVrms | 30µVrms |
| Voltage - Input | 1.5V ~ 12V | 1.5V ~ 12V | 1.5V ~ 12V |
| Current - Supply | 275µA | 275µA | 275µA |
| Current - Cathode | - | - | - |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | SC-74A, SOT-753 | SC-74A, SOT-753 | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 | SOT-23-5 | SOT-23-5 |
