ADR421BRZ-REEL7 Voltage References 2.500 Voltage Reference
♠ Product Description
| Product Attribute | Attribute Value |
| Manufacturer: | Analog Devices Inc. |
| Product Category: | Voltage References |
| RoHS: | Details |
| Mounting Style: | SMD/SMT |
| Package / Case: | SOIC-8 |
| Reference Type: | Series Precision References |
| Output Voltage: | 2.5 V |
| Initial Accuracy: | 0.04 % |
| Temperature Coefficient: | 3 PPM / C |
| Series VREF - Input Voltage - Max: | 18 V |
| Shunt Current - Max: | 10 mA |
| Minimum Operating Temperature: | - 40 C |
| Maximum Operating Temperature: | + 125 C |
| Series: | ADR421 |
| Packaging: | Reel |
| Packaging: | Cut Tape |
| Packaging: | MouseReel |
| Accuracy: | 70 ppm/mA |
| Brand: | Analog Devices |
| Description/Function: | 2.5 V XFET voltage reference |
| Height: | 1.5 mm (Max) |
| Input Voltage: | 4.5 V to 18 V |
| Length: | 5 mm (Max) |
| Load Regulation: | 70 ppm/mA |
| Operating Supply Current: | 500 uA |
| Output Current: | 10 mA |
| Product: | Voltage References |
| Product Type: | Voltage References |
| Factory Pack Quantity: | 1000 |
| Subcategory: | PMIC - Power Management ICs |
| Supply Current - Max: | 0.5 mA |
| Topology: | Series References |
| Width: | 4 mm (Max) |
| Unit Weight: | 0.019048 oz |
♠ Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET® Voltage References
The ADR42x are a series of ultraprecision, second generation eXtra implanted junction FET (XFET) voltage references featuring low noise, high accuracy, and excellent long-term stability in SOIC and MSOP footprints.
Patented temperature drift curvature correction technique and XFET technology minimize nonlinearity of the voltage change with temperature. The XFET architecture offers superior accuracy and thermal hysteresis to the band gap references. It also operates at lower power and lower supply headroom than the buried Zener references.
The superb noise and the stable and accurate characteristics of the ADR42x make them ideal for precision conversion applications such as optical networks and medical equipment. The ADR42x trim terminal can also be used to adjust the output voltage over a ±0.5% range without compromising any other performance. The ADR42x series voltage references offer two electrical grades and are specified over the extended industrial temperature range of −40°C to +125°C. Devices have 8-lead SOIC or 30% smaller, 8-lead MSOP packages.
Low noise (0.1 Hz to 10 Hz)
ADR420: 1.75 μV p-p
ADR421: 1.75 μV p-p
ADR423: 2.0 μV p-p
ADR425: 3.4 μV p-p
Low temperature coefficient: 3 ppm/°C
Long-term stability: 50 ppm/1000 hours
Load regulation: 70 ppm/mA Line regulation: 35 ppm/V
Low hysteresis: 40 ppm typical Wide operating range
ADR420: 4 V to 18 V
ADR421: 4.5 V to 18 V
ADR423: 5 V to 18 V
ADR425: 7 V to 18 V
Quiescent current: 0.5 mA maximum
High output current: 10 mA
Wide temperature range: −40°C to +125°C
Precision data acquisition systems
High resolution converters
Battery-powered instrumentation
Portable medical instruments
Industrial process control systems
Precision instruments
Optical network control circuits
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