概览
描述
The ISL21090 is an ultra-low noise, high DC accuracy precision voltage reference with a wide input voltage range. The ISL21090 uses Renesas' Advanced Bipolar technology to achieve sub 1.0µVP-P (1.25V option) 0.1Hz to 10Hz noise with an initial voltage accuracy of 0.02% (2.5V option). The ISL21090 offers 1.25V, 2.5V, 5.0V, and 7.5V output voltage options with a 7ppm/°C temperature coefficient and also provides excellent line and load regulation. These devices are offered in an 8 Ld SOIC package. The ISL21090 is ideal for high-end instrumentation, data acquisition and processing applications requiring high DC precision where low noise performance is critical.
特性
- Reference output voltage option
- 1.25V, 2.5V, 5.0V, and 7.5V
- Initial accuracy:
- ISL21090-12: ±0.03%
- ISL21090-25: ±0.02%
- ISL21090-50: ±0.025%
- ISL21090-75: ±0.035%
- Output voltage noise (0.1Hz to 10Hz): 1.0µVP-P typ (1.25V option)
- Supply current : 750µA (1.25V option)
- Temperature coefficient: 7ppm/°C max
- Output current capability: 20mA
- Line regulation: 6ppm/V (1.25V option)
- Load regulation: 2.5ppm/mA (1.25V option)
- Operating temperature range: -40 °C to +125 °C
产品对比
应用
设计和开发
软件与工具
开发板与套件
评估
Ultra-Low Noise, Precision Voltage Reference Evaluation Boards
The ISL21090xxEV1Z evaluation board is designed to measure the performance of the high-precision ISL21090 voltage references. The reference has a wide input voltage range from 3.7V to 36V and an initial accuracy of 0.02% (2.5V option). The voltage noise of less than 2µVP-P in the 0.1Hz to 10Hz...
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评估
DAQ on a Stick with Semitec RTD Temperature Sensor Kit
This reference design shows the operation of Renesas' precision products in a temperature sensor application. The application uses Renesas' data acquisition (DAQ) on a stick reference design that has been modified to work with a Semitec 103AP-2 RTD temperature sensor. The system operates over...
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