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| Part Number | LM4040DEM3X-2.5/NOPB | LM4040DIM3X-2.5/NOPB | LM4040DEM3-2.5/NOPB | LM4040DEM3X-2.0/NOPB | 
|---|---|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Active | Active | Active | Obsolete | 
| Reference Type | Shunt | Shunt | Shunt | Shunt | 
| Output Type | Fixed | Fixed | Fixed | Fixed | 
| Voltage - Output (Min/Fixed) | 2.5V | 2.5V | 2.5V | 2.048V | 
| Voltage - Output (Max) | - | - | - | - | 
| Current - Output | 15 mA | 15 mA | 15 mA | 15 mA | 
| Tolerance | ±1% | ±1% | ±1% | ±1% | 
| Temperature Coefficient | 150ppm/°C | 150ppm/°C | 150ppm/°C | 150ppm/°C | 
| Noise - 0.1Hz to 10Hz | - | - | - | - | 
| Noise - 10Hz to 10kHz | 35µVrms | 35µVrms | 35µVrms | 35µVrms | 
| Voltage - Input | - | - | - | - | 
| Current - Supply | - | - | - | - | 
| Current - Cathode | 73 µA | 70 µA | 73 µA | 73 µA | 
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | 
| Supplier Device Package | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 |