| Manufacturer | Part Number | Description |
|---|---|---|
Unisonic Technologies
| USA575A | LOW VOLTAGE COMPANDOR |
Unisonic Technologies
| USA575 | LOW VOLTAGE COMPANDOR |
Philips Semiconductors (now NXP Semiconductors)
| SA575 | Low voltage compandor |
Philips Semiconductors (now NXP Semiconductors)
| SA5753 | Audio processor - filter and control section |
| SA575 | Low Voltage Compandor | |
Philips Semiconductors (now NXP Semiconductors)
| SA5752 | Audio processor - companding / VOX and amplifier section |