AD780AN: 2.5 V/3.0 V Ultrahigh Precision Bandgap Voltage Reference
The AD780 is an ultrahigh precision bandgap reference voltage which provides a 2.5 V or 3.0 V output from inputs between 4.0 V and 36 V. Low initial error and temperature drift combined with low output noise and the ability to drive any value of capacitance make the AD780 the ideal choice for enhancing the performance of high resolution ADCs and DACs and for any general purpose precision reference application. A unique low headroom design facilitates a 3.0 V output from a 5.0 V ± 10% input, providing a 20% boost to the dynamic range of an ADC, over performance with existing 2.5 V references.
The AD780 can be used to source or sink up to 10 mA and can be used in series or shunt mode, thus allowing positive or negative output voltages without external components. This makes it suitable for virtually any high performance reference application. Unlike some competing references, the AD780 has no "region of possible instability." The part is stable under all load conditions when a 1 µF bypass capacitor is used on the supply.
A temperature output pin is provided on the AD780. This provides an output voltage that varies linearly with temperature, allowing the AD780 to be configured as a temperature transducer while providing a stable 2.5 V or 3.0 V output.
The AD780 is a pin-compatible performance upgrade for the LT1019(A)-2.5 and the AD680. The latter is targeted toward low power applications.
The AD780 is available in two grades in plastic DIP, SOIC and cerdip packages. The AD780AN, AD780AR, AD780BN and AD780BR are specified for operation from -40°C to +85°C. The AD780SQ and AD780SQ/883B are specified for -55°C to +125°C operation.
AD780AN 特点
- 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
- Low Quiescent Current: 1 mA max
- Output Trim Capability
- Plug-in Upgrade for Present References
- Temperatue Output PIN
- Series or Shunt Mode Operation 2.5 V, ±3.0 V)
AD780AN 功能框图
| 产品型号 | 产品状态 | 封装 | 引脚 | 温度范围 |
|---|---|---|---|---|
| AD780AN | 量产 | 8 ld PDIP | 8 | 工业 |
| AD780ANZ | 量产 | 8 ld PDIP | 8 | 工业 |
| AD780AR | 量产 | 8 ld SOIC | 8 | 工业 |
| AD780AR-REEL7 | 量产 | 8 ld SOIC | 8 | 工业 |
| AD780ARZ | 量产 | 8 ld SOIC | 8 | 工业 |
| AD780ARZ-REEL7 | 量产 | 8 ld SOIC | 8 | 工业 |
| AD780BN | 量产 | 8 ld PDIP | 8 | 工业 |
| AD780BNZ | 量产 | 8 ld PDIP | 8 | 工业 |
| AD780BR | 量产 | 8 ld SOIC | 8 | 工业 |
| AD780BR-REEL | 量产 | 8 ld SOIC | 8 | 工业 |
| AD780BR-REEL7 | 量产 | 8 ld SOIC | 8 | 工业 |
| AD780BRZ | 量产 | 8 ld SOIC | 8 | 工业 |
| AD780BRZ-REEL | 量产 | 8 ld SOIC | 8 | 工业 |
| AD780BRZ-REEL7 | 量产 | 8 ld SOIC | 8 | 工业 |
| AD780CRZ | 量产 | 8 ld SOIC | 8 | 工业 |
| AD780CRZ-REEL7 | 量产 | 8 ld SOIC | 8 | 工业 |
AD780AN 应用技术支持与电子电路设计开发资源下载
- AD780 数据手册DataSheet 下载 . pdf
- ADI 模拟器件公司比较器产品选型指南 . pdf
- Analog Devices, Inc. 美国模拟器件公司产品订购手册 .pdf
