Overview
The AD780AR-REEL7, produced by Analog Devices Inc., is an ultrahigh precision band gap reference voltage device. It provides a pin-programmable 2.5 V or 3.0 V output from input voltages ranging between 4.0 V and 36 V. This device is renowned for its low initial error, ultralow temperature drift, and low output noise, making it an ideal choice for enhancing the performance of high-resolution analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and general-purpose precision reference applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (2.5 V) | 2.495 | 2.5 | 2.505 | V |
| Output Voltage (3.0 V) | 2.995 | 3.0 | 3.005 | V |
| Temperature Drift (-40°C to +85°C) | 7 ppm/°C | |||
| Line Regulation (2.5 V Output) | 10 µV/V | |||
| Line Regulation (3.0 V Output) | 10 µV/V | |||
| Quiescent Current | 1 mA | |||
| Noise (Wideband Spectral Noise Density) | 100 nV/√Hz | |||
| Output Current Capability | 10 mA | |||
| Operating Temperature Range | -40°C | +85°C | ||
| Package Type | SOIC |
Key Features
- Pin-programmable 2.5 V or 3.0 V output
- Ultralow drift: 3 ppm/°C max
- High accuracy: 2.5 V or 3.0 V ±1 mV max
- Low noise: 100 nV/√Hz
- Noise reduction capability using external capacitors
- Low quiescent current: 1 mA max
- Output trim capability for fine-tuning
- Plug-in upgrade for existing references
- Temperature output pin for temperature transducer configuration
- Series or shunt mode operation (±2.5 V, ±3.0 V)
Applications
- High-resolution analog-to-digital converters (ADCs)
- Digital-to-analog converters (DACs)
- General-purpose precision reference applications
- Enhancing the performance of precision measurement and control systems
- Temperature measurement and monitoring systems
Q & A
- What are the available output voltages for the AD780AR-REEL7?
The AD780AR-REEL7 provides pin-programmable 2.5 V or 3.0 V output voltages.
- What is the temperature drift specification for the AD780AR-REEL7?
The temperature drift is specified as 7 ppm/°C from -40°C to +85°C.
- How much noise does the AD780AR-REEL7 typically produce?
The device typically produces 100 nV/√Hz of wideband spectral noise density.
- What is the maximum quiescent current of the AD780AR-REEL7?
The maximum quiescent current is 1 mA.
- Can the AD780AR-REEL7 be used in series or shunt mode?
Yes, it can be used in both series and shunt mode, allowing for positive or negative output voltages without external components.
- What is the operating temperature range of the AD780AR-REEL7?
The operating temperature range is from -40°C to +85°C.
- How much current can the AD780AR-REEL7 source or sink?
The device can source or sink up to 10 mA.
- Does the AD780AR-REEL7 have a temperature output pin?
Yes, it has a temperature output pin that can be configured as a temperature transducer.
- Can the AD780AR-REEL7 be used as a plug-in upgrade for existing references?
Yes, it is designed as a plug-in upgrade for existing references.
- What package type is the AD780AR-REEL7 available in?
The AD780AR-REEL7 is available in SOIC packages.
