August 2, 2021
AMD LF356H - JFET opamp : weekend die-shot
Surprised to see analog part from AMD? Me too. It's from the era when AMD was not yet crushing desktop CPU market like a hydraulic press.Package photo below. Die size 1877x1120 µm. Datecode 8035YP.

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August 1, 2021
Motorola MC1596G - balanced modulator/demodulator : weekend die-shot
Die size 1141x1063 µm. Datecode 7414.
June 1, 2021
May 16, 2021
1NT591A - array of 2 npn BJT transistors : weekend die-shot
Designed for input stages of differential amplifiers. Datecode 0675.Die size 1241x748 µm.

May 1, 2021
Motorola MC1553G - video amplifier : weekend die-shot
Not an opamp. 35Mhz bandwidth, 52dB gain. Datecode 736. Schematics below.Die size 1062x1062 µm.

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April 27, 2021
Analog AD570 - 8-bit SAR ADC : weekend die-shot
Everything is laser trimmed. Die photo matches datasheet. Datecode 8302. Thanks to Florian for saving this chip!Die size 3786x3006 µm.

April 1, 2021
1KT901 - 5 channel analog MOSFET commutator : weekend die-shot
1KT901 is a 5-channel analog MOSFET commutator. <300 Ohm channel resistance in open state for -20V on the gate. Datecode 0575.Some information and references to internal schematics could be found in 701mk12 documentation.
