Analog Devices Inc.
IC VREF SERIES 2.5V 8TSSOP. Voltage References 2.5V Prec Micropwr LDO Low VRef
Texas Instruments
IC VREF SERIES 4.096V 8VSSOP. Voltage References 3ppm/C High-Precision Voltage Reference with Integrated High-Bandwidth Buffer 8-VSSOP -40 to 125