REF191GSZ

REF19x series precision band gap voltage reference use 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 series is made up of micropower, low dropout voltage (LDV) devices, providing stable output voltage from supplies as low as 100mV above the output voltage and consuming less than 45μA of supply current. In sleep mode, which is enabled by applying a low TTL or CMOS level to the SLEEP pin, the output is turned off and supply current is further reduced to less than 15μA. Typical applications are portable instruments, ADCs and DACs, smart sensors, solar powered applications, loop-current-powered instruments.

• Temperature coefficient of 5ppm/°C maximum
• High output current of 30mA
• Initial accuracy of ±2mV maximum
• Low dropout voltage
• Load regulation of 4ppm/mA
• Line regulation of 4ppm/V
• Short-circuit protection
• Nominal output voltage of 2.048V
• −40°C to 85°C temperature range
• 8-lead SOIC-N package

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