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| PartNumber | MT9122AP1 | MT9122APR1 | MT9123AP1 |
| Description | Telecom Interface ICs Pb Free DUAL VOICE ECHO CANCELLER W/TD | Telecom Interface ICs Pb Free DUAL VOICE ECHO CANCELLER W/TD | Telecom Line Management ICs |
| Manufacturer | Microchip | Microchip | Microsemi Corporation |
| Product Category | Telecom Interface ICs | Telecom Interface ICs | Interface - Telecom |
| RoHS | Y | Y | - |
| Packaging | Tube | Reel | Tube Alternate Packaging |
| Brand | Microchip / Microsemi | Microchip / Microsemi | - |
| Moisture Sensitive | Yes | - | - |
| Product Type | Telecom Interface ICs | Telecom Interface ICs | - |
| Factory Pack Quantity | 37 | 750 | - |
| Subcategory | Interface ICs | Interface ICs | - |
| Series | - | - | - |
| Product | - | - | Echo Cancellers |
| Unit Weight | - | - | 0.041719 oz |
| Mounting Style | - | - | SMD/SMT |
| Package Case | - | - | PLCC-28 |
| Frequency | - | - | 19.2 MHz |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Surface Mount |
| Function | - | - | Echo Cancellation |
| Number of Channels | - | - | 2 Channel |
| Interface | - | - | Serial |
| Voltage Supply | - | - | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | - | 28-PLCC |
| Number of Circuits | - | - | 2 |
| Power Watts | - | - | * |
| Current Supply | - | - | 50mA |
| Pd Power Dissipation | - | - | 500 mW |
| Maximum Operating Temperature | - | - | + 85 C |
| Minimum Operating Temperature | - | - | - 40 C |
| Operating Supply Voltage | - | - | 5 V |
| Operating Supply Current | - | - | 50 mA |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 4.5 V |