Description

The REF194G is a micropower, low dropout voltage (LDV) voltage reference from the REF19x series. It uses a patented temperature drift curvature correction circuit and laser trimming of highly stable, thin-film resistors to achieve a very low temperature coefficient and high initial accuracy. This reference is designed to provide a stable output voltage from supplies as low as 100 mV above the output voltage and consumes less than 45 μA of supply current. The REF194 is specified over the extended industrial temperature range (−40°C to +85°C) with typical performance specifications over −40°C to +125°C for applications such as automotive. All electrical grades are available in an 8-lead SOIC package; the PDIP and TSSOP packages are available only in the lowest electrical grade.

Specifications and features

• Precision band gap voltage reference
• Low temperature coefficient
• High initial accuracy
• Micropower, low dropout voltage device
• Stable output voltage from supplies as low as 100 mV
• Less than 45 μA of supply current consumption
• Sleep mode available for further reduced supply current
• Extended industrial temperature range of −40°C to +85°C
• Typical performance specifications over −40°C to +125°C
• Available in an 8-lead SOIC package

Application Scenarios

The REF194G is suitable for applications such as automotive, industrial measurement and control, and portable instrumentation.

Comparison

• Precision voltage reference with low temperature coefficient
• High initial accuracy
• Low dropout voltage device with micropower consumption
• Sleep mode available for further reduction of supply current
• Available in multiple electrical grades and package options

• Not suitable for applications requiring high output current capacity