U4055B1 datasheet by TEMIC Semiconductors (now Microchip).
This datasheet includes multiple variants, all published together in a single manufacturer document.
| Part number | U4055B1 |
|---|---|
| Datasheet | U4055B1 U4055B Datasheet (PDF) |
| File Size | 176.79 KB |
| Manufacturer | TEMIC Semiconductors (now Microchip) |
| Description | Low-Voltage Electronic Speech Circuit |
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The U4055B electronic speech circuit is a linear integrated circuit for use in telephone and other line fed terminal equipment. It replaces the mon speech circuit with carbon microphone, hybrid transformer, sidetone equivalent and ear protection rectifiers. A low-cost electrodynamic transducer is used as the earphone.
View all TEMIC Semiconductors (now Microchip) datasheets
| Part Number | Description |
|---|---|
| U4055B | Low-Voltage Electronic Speech Circuit |
| U4050B | Speech Circuit |
| U4030B | Telephone Speech Circuit |
| U4070B-FP | Tone Ringer Interface |
| U4074B | Tone Ringer Interface |
| U4076B | Three-Tone Ringer for Telephone Sets |
| U4076B-FL | Three-Tone Ringer for Telephone Sets |
| U4080B | Voice-Switched Circuit for Handsfree Operation |
| U4083 | Low-Power Audio Amplifier for Telephone Applications |
| U4083B | Low-Power Audio Amplifier for Telephone Applications |
