1122


Sold direct for older API modules only.


Sold direct for older API modules only.

Features

  • Low noise
  • High output power
  • Low distortion
  • Wide power bandwidth
  • Standard footprint
  • Stable operation
  • Electrostatically shielded
  • Operation under wide voltage range

Please note: We are no longer selling the 1122 Op-Amp for any use other than for older API modules.
Sold Direct Only. Please contact us first to purchase. Paypal is accepted.

1122 Discrete Op-Amp

Description

The 1122 is a high performance direct coupled operational amplifier designed specifically for professional audio amplifier applications, which include:

  • Microphone preamplifier where source impedance is between 7k ohm- 20k ohm for noise index below 1 dB
  • Line output amplifier for driving up to loads of 75 ohm
  • Active filters (equalizer circuits)
  • Summing amplifier
Specifications
Gain Greater than 110 dB
Gain Bandwidth Product 40mHz
Equivalent Input Noise ≈4nV/√ Hz, 20-20khz filtered BW
Input Offset Voltage 4 mV typ, 10 mV max
Input Impedance >10 M Ohm
Maximum Output Voltage RL=75Ω 10.5 V rms
Slew Rate Fast enough but not that fast
Input Offset Current 60 nA typical, 85 nA max
Quiescent Current 15 mA/rail @ ±16 VDC
Rated Output Current 75Ω Load 70 mA/rail @ ±16 VDC
Rated Output Current 600Ω 26 mA/rail @ ±16 VDC
Power Supply Voltage ±12 VDC to ±18 VDC max

FAQ

Do you sell 1122 Opamps for DIY projects or personal use?

Unfortunately, we do not sell the 1122 opamp for DIY projects as we are no longer selling the 1122 opamp for any use other than for older API modules.