Op-Amp - Orange, Dual Discrete

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Op-Amp - Orange, Dual Discrete

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The Dual Discrete op-amp is specially designed for audio and is among the most musical sounding dual discrete op-amps out there. It is available in DIP 8 format and can be used in any CD player, DAC, or preamplifier that currently runs DIP 8 based IC dual op-amp types.

The overall soundstage and transient detail will be greatly improved when used in pretty much all audio equipment that it can physically be fitted to. It has a very low noise Jfet front end so it can run with input impedances above 1M Ohms if needed. It can replace the following, provided the equipment it’s being used in has 22mm of height clearance and 5mm side clearance (per side).

  • OPA2604
  • OPA2134
  • TL072
  • NE5532
  • LM4562
  • OP275
  • OP285

Please check that the PSU can supply the extra current needed, especially if replacing more than one existing IC op-amp with our op-amp as with all discrete types, they do draw more current. Please refer to the spec sheet for details.

The Orange Dual Discrete Op-Amp is unity gain stable. When using it in new designs where gain (inverting or non inverting) is being added, a feedback loop bypass capacitor of 15pf is all that’s needed to completely stabilise it. The spec-sheet shows a max ± rail voltage of 18 volts.

RoHS Compliant
Item ID:
Product Measurements
Crosstalk Distortion> 90 dB
Gain Bandwidth Product50 MHz
Input Bias Current110 μA min, 190 μA typical, 300 μA max
Input Offset Current0.05 mA min, 0.1 mA typical, 0.15 mA max
Input Offset Voltage0.2 mV
Input Resistance50 MΩ
Maximum Ratings And Supply Voltage± 4.5 min, ± 15 V typical, ± 18 V max
Open Loop Bandwidth48 kHz
Open Loop Gain112 dB
Output Impedance0.3 Ω
Quiescent Current18 mA
Slew Rate50 MHz
Total Harmonic Distortion0.002%
operating ambient temperature (TJ)-25°C to 50°C
storage temperature range (TSTG)-60°C to 80 °C
Packaging Information
Packaging Dimensions2.132 in. × 1.539 in. × 1.033 in.
Weight (Packaging)0.034 lbs.

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Specifications, Files, and Documents

PDF: Specifications (313.3 KB)Specifications

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