Found 5 alternatives for AD594CD/+ by Rochester Electronics, LLC. Linear Amplifiers Special Purpose — 14-CDIP (0.300", 7.62mm).
IC AMP QUAD SAMPLE-HOLD 14-DIP
LOG OR ANTILOG AMPLIFIER, 1 FUNC
AMPLIFIER, BIPOLAR
PRECISION LOGARITHMIC & LO
SAMPLE-AND-HOLD AMPLIFIER