The TS821 is a low power shunt voltage reference providing a stable 1.225V output voltage over the industrial temperature range (-40°C to +85°C). It has ultra low operating current, high precision, and stability, making it suitable for applications such as computers, instrumentation, battery chargers, switch mode power supply, and battery operated equipment.
The TS821 is a low power shunt voltage reference providing a stable 1.225V output voltage over the industrial temperature range of -40°C to +85°C. It is available in an SOT23-3 surface mount package, making it suitable for space-saving designs where power is restricted. The device offers high precision with standard, A grade, and B grade options, and maintains high stability when used with capacitive loads.
The document provides absolute maximum ratings, operating conditions, and detailed electrical characteristics for the TS821, TS821A, and TS821B variants. It includes application circuits, graphs illustrating reference voltage versus current and temperature, and mechanical data for the SOT23-3 package.
| Typical output voltage | 1.225V |
|---|---|
| Maximum operating current | 45uA |
| Operating temperature range | -40°C to +85°C |
| Maximum temperature coefficient | 120ppm/°C |
| Package type | SOT23-3 |
| Reverse breakdown voltage (Typ) | 1.225V |
| Minimum operating current | 45uA |
The typical output voltage is 1.225V.
The maximum operating current is 45uA at 25°C.
The device operates from -40°C to +85°C.
The maximum temperature coefficient is 120ppm/°C.