Akashic Guitar effects circuit lookup

Parts · ICs

LM258P

Dual BJT-Input Op-Amp DIP-8.3 circuits use this part. Listed as: Op Amp; l op-amp, DIP8.

Datasheet · from ti.com

Substitutes same socket

Parts that fit the same socket: the same function, pin count and pinout. The figures are read off each part's datasheet (this one's from page 14), typical where the sheet gives a typical value, otherwise the maximum. Closest first; the last column says what differs. A different part can change the sound, and a circuit may lean on one particular figure, so read the build document's notes before you swap.

This part

PartInputSupplyGBWSlewNoiseIqBoards
LM258Pbipolar3–30 V0.7 MHz0.3 V/µs40 nV0.5 mA3

Extended-temperature LM358; same behavior, input range includes the negative rail.

Fits the same socket

PartInputSupplyGBWSlewNoiseIqBoardsDiffers
LM358bipolar3–30 V0.7 MHz0.3 V/µs40 nV0.5 mA86Input range includes the negative rail, but it is slow and its class-B output shows crossover distortion.
2904bipolar3–32 V0.6 MHz0.5 V/µs0.35 mA5LM358-class single-supply dual; the DIP8 (NJM2904D) is listed as discontinued.
1458bipolar10–30 V1 MHz0.5 V/µs45 nV1.7 mA209rated from 10 V; draws 1.7 mA per amplifier. Two 741-class amplifiers without offset null; slow, at 0.5 V/µs.
TL022bipolar10–30 V0.5 MHz0.5 V/µs50 nV0.065 mA90rated from 10 V. Micropower dual at about 65 µA per amplifier; slow (0.5 MHz, 0.5 V/µs).
TLC27M2CMOS3–16 V0.635 MHz0.56 V/µs32 nV0.14 mA3CMOS input; 16 V max, not for 18 V. Low-power CMOS dual limited to 16 V; slow, with an input range that includes the negative rail.
TLC2262CMOS, RR out4.4–16 V0.73 MHz0.55 V/µs12 nV0.21 mA25CMOS input; 16 V max, not for 18 V; rail-to-rail output. CMOS rail-to-rail-output dual limited to 16 V total; do not run it on an 18 V rail.
4559bipolar?–36 V4 MHz2 V/µs1.65 mA29draws 1.65 mA per amplifier; much faster, may oscillate in a slow part's place. Audio dual with stronger output drive than a 4558 (±10 V into 600 Ω).
TL062JFET10–30 V1 MHz3.5 V/µs30 nV0.2 mA127JFET input; rated from 10 V. Low-power JFET op-amp at 200 µA per amplifier; common-mode range must stay 4 V inside the rails.
MC33178bipolar4–36 V5 MHz2 V/µs7.5 nV0.42 mA35much faster, may oscillate in a slow part's place. Low-noise bipolar dual that draws only about 0.42 mA per amplifier and drives 600 ohm loads.
4558bipolar10–30 V4 MHz2.2 V/µs7 nV1.25 mA1164rated from 10 V; much faster, may oscillate in a slow part's place. Bipolar input with about 80 nA bias current, so it needs a DC bias path on each input.
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