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2.5V 출력 전압, 혹은 4.1V 출력 전압
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LJTick-VRef : 안정화된 출력 전압 2.5V 혹은 4.1V
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Common Applications
- Whenever a regulated 2.5V or 4.1V signal is needed.
LJTick-VRef-25 Images
 Figure 1: LJTick-VRef-25 |  Figure 2: LJTick-VRef-25 with U3-LV |
The LJTick-VRef is a Voltage reference accessory that outputs a stable 2.5V or 4.096V signal. These ticks are commonly used as an excitation voltage for various circuits. The IOA and IOB lines are pass-through terminals, and do not interact with the accessory in any way.
- VRef-25 Specs:
- Voltage: 2.5V
- Accuracy: ±0.08%, ±2mV
- VRef-41 Specs:
- Voltage: 4.096V
- Accuracy: ±0.08%, ±3.27mV
- Common Specs:
- Maximum load: 50mA
- Short circuit current: 100mA
- Temperature coefficient: 5ppm/°C
The VRef-25 uses the voltage reference chip: LT1461CIS8-2.5#. The VRef-41 uses the voltage reference chip: LT1461CIS8-4#. Please see the LJTick-VRef datasheet for more information.
Specifications:
| Parameter | Conditions | Min | Typical | Max | Units |
| Output Voltage (VRef-25) | 2.5 | V | |||
| Output Voltage (VRef-41) | 4.096 | V | |||
| Output Voltage Variance | -0.08 | 0.08 | % full scale | ||
| Output Voltage Temperature Coefficient | 5 | 12 | ppm/°C | ||
| Output Voltage Noise | 0.1Hz ≤ f ≤ 10Hz | 8 | ppmP-P | ||
| 10Hz ≤ f ≤ 1kHz | 9.6 | ppmRMS | |||
| Maximum Load | 50 | mA | |||
| Short Circuit Current | 100 | mA |