Three Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDIP8

LT1019 - Precision Reference; Package: PDIP; Pins: 8; Temperature Range: 0°C to 70°C
IC DUAL OP-AMP, 240 uV OFFSET-MAX, CDIP8, 0.300 INCH, HERMETIC SEALED, CERAMIC, DIP-8, Operational Amplifier

Three Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO8

LT1011/LT1011A - Voltage Comparator; Package: CERDIP; Pins: 8; Temperature Range: -55°C to 125°C
IC DUAL OP-AMP, 300 uV OFFSET-MAX, CDIP8, 0.300 INCH, HERMETIC SEALED, CERAMIC, DIP-8, Operational Amplifier