REF43: +2.5V Low Power Precision Voltage Reference
The REF43 is a low-power precision reference providing a stable +2.5V output independent of variations in supply voltage, load conditions or ambient temperature. It is suitable as a reference level ...More
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REF43: +2.5V Low Power Precision Voltage Reference
Product Description
The REF43 is a low-power precision reference providing a stable +2.5V output independent of variations in supply voltage, load conditions or ambient temperature. It is suitable as a reference level for 8, 10 and 12-bit data acuisition systems, or wherever a stable, know voltage is required.
Tight output tolerances and low thermal drift are assured by zener-zap trimming of both outout voltage and its temperature coefficient. A unique curvature correction circuit reduces the thermal curvature which is characteristic of many previous bandgap references.
Quick Links
- Lead(Pb) - Free Data
- Application Notes (pdf 56kB)
Design Tools
Voltage Reference Wizard
This Wizard helps you select the most suitable voltage for a use with a dat...
Features
- +2.5 Volt Output: ±0.05% Max
- Low Temperature Coefficient: 10 ppm/°C Max
- Excellent Regulation
Load Regulation: 20 ppm/mA Max
Line Regulation: 2 ppm/V Max - Supply Current: 450µA Max
- Temperature Voltage Output: +1.9mV/°C
- Operating Voltage Range: +4.5V to +40V
- Extended Industrial Temp Range: -40°C to +85°C
- Available in Die Form
| Part# | Vout | Initial Accuracy (%) | Ref Out TC (ppm/C) | 0.1-10 Hz Noise (µV p-p) | Ref Output Current (mA) | Supply Voltage Range (V) | Temp Range(s) | Supply Current (max) | Reference Type | Package | Price* (1000-4999) | Product Description |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ADR130 | +0.5/+1 Pin Programmable | 0.35 | 5 | 3 | 4 | 2V to 18V | -40 to +125 | 150µA | Series | TSOT | $0.92 | Precision, Sub-Band Gap, Series Voltage Reference |
| AD584 | +2.5/+5/+7.5/+10 Prog | 0.05 | 5 | 50 | 10 | +4.5 to +30 | -55 to +125, 0 to +70 | 1mA | Series-Multi/Select Out | DIP, TO-92 | $3.05 | 10.000 V, 7.500 V, 5.000 V and 2.500 V, Pin Programmable Precision Voltage Reference |
| ADR510 | 1.0 | 0.35 | 70 | 4 | n/a | n/a, shunt ref | -40 to +85 | n/a | Shunt | SOT23 | $0.60 | 1.0 V Precision, Low Noise, Shunt Voltage Reference |
| AD1580 | 1.2 | 0.08 | 50 | 5 | n/a | n/a, shunt ref | -40 to +85 | n/a | Shunt | SC70, SOT23 | $0.61 | 1.2 V Micropower, Precision Shunt Voltage Reference |
| ADR512 | 1.2 | 0.3 | 60 | 4 | n/a | n/a shunt ref | -40 to +85 | n/a | Shunt | SOT23 | $0.60 | 1.2 V Precision, Low Noise Shunt Voltage Reference |
| ADR280 | 1.2 | 0.4 | 5 | 2.2 | 100 | +2.4 to +5.5 | -40 to +85 | 16µA | Series | SC70, SOT23 | $0.76 | 1.20 V, Low Noise, Low Power, High PSRR, Precision Voltage Reference |
| AD589 | 1.2 | 1.2 | 10 | 5 | n/a | n/a, Shunt Type Reference | -55 to +125, 0 to +70 | 50µA | Shunt | Metal Can, SOIC | $1.33 | Two-Terminal IC 1.2 V Shunt Reference |
| ADR1581 | 1.25 | 0.12 | 50 | 4.5 | n/a | n/a, shunt ref | -40 to +85 | n/a | Shunt | SOT23 | $0.61 | 1.25 V Micropower, Precision Shunt Voltage Reference |
| ADR127 | 1.25 | 0.12 | 3 | 5 | 5 | +2.7 to +18 | -40 to +125 | 125µA | Series | TSOT | $0.92 | 1.25V, Precision Micropower LDO Voltage Reference |
| ADR827 | 1.25 | 0.4 | 15 | 8 | 5 | +2.7V to +15V | -40 to +125 | 400µA | Series | MSOP | $1.11 | Low Power, Precision Reference and Op Amp |
| ADR1500 | 1.2875 | 0.2 |