Overview
The ADR440ARMZ-REEL7 is a high-performance voltage reference IC produced by Analog Devices Inc. It belongs to the ADR44x family, which is known for its ultralow noise, high accuracy, and low temperature drift performance. This device is particularly suited for precision signal conversion applications in various high-end systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 2.048 | V |
| Initial Accuracy | ±0.15% | % |
| Temperature Coefficient | 3 ppm/°C | ppm/°C |
| Supply Voltage Operating Range | 3 V to 18 V | V |
| Supply Voltage Headroom | 500 mV | mV |
| Output Current Source/Sink | +10 mA / -5 mA | mA |
| Voltage Noise (0.1 Hz to 10 Hz) | 1 μV p-p | μV p-p |
| Noise Density at 1 kHz | 64 nV/√Hz | nV/√Hz |
| Turn-On Settling Time | 10 μs | μs |
| Long-Term Stability (1000 hours) | 50 ppm | ppm |
| Output Voltage Hysteresis | 70 ppm | ppm |
| Ripple Rejection Ratio at 1 kHz | -80 dB | dB |
| Short Circuit to GND | 27 mA | mA |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package Type | 8-Lead MSOP |
Key Features
- Ultralow voltage noise (0.1 Hz to 10 Hz): 1 μV p-p
- High accuracy and low temperature drift: 3 ppm/°C
- Low dropout operation with 500 mV supply voltage headroom
- Capable of sourcing up to +10 mA and sinking up to -5 mA of output current
- Trim terminal for adjusting output voltage over a 0.5% range without compromising performance
- Available in 8-lead MSOP package
- Specified over the extended industrial temperature range of -40°C to +125°C
- Uses Analog Devices’ patented XFET (eXtra implanted junction FET) technology for enhanced stability and noise performance
Applications
- Precision signal conversion applications in high-end data acquisition systems
- Optical networks
- Medical applications requiring high accuracy and low noise
- Military communication and avionics systems
Q & A
- What is the output voltage of the ADR440ARMZ-REEL7?
The output voltage is 2.048 V.
- What is the initial accuracy of the ADR440ARMZ-REEL7?
The initial accuracy is ±0.15%.
- What is the temperature coefficient of the ADR440ARMZ-REEL7?
The temperature coefficient is 3 ppm/°C.
- What is the supply voltage operating range of the ADR440ARMZ-REEL7?
The supply voltage operating range is from 3 V to 18 V.
- How much output current can the ADR440ARMZ-REEL7 source and sink?
The device can source up to +10 mA and sink up to -5 mA of output current.
- What is the voltage noise of the ADR440ARMZ-REEL7 from 0.1 Hz to 10 Hz?
The voltage noise is 1 μV p-p.
- What is the noise density at 1 kHz for the ADR440ARMZ-REEL7?
The noise density at 1 kHz is 64 nV/√Hz.
- What is the turn-on settling time of the ADR440ARMZ-REEL7?
The turn-on settling time is 10 μs.
- What is the long-term stability of the ADR440ARMZ-REEL7 over 1000 hours?
The long-term stability is 50 ppm.
- In what package is the ADR440ARMZ-REEL7 available?
The device is available in an 8-lead MSOP package.
