Datasheet Details
| Part number | TEA1110A |
|---|---|
| Manufacturer | NXP Semiconductors |
| File Size | 187.91 KB |
| Description | Low voltage versatile telephone transmission |
| Datasheet |
 TEA1110A Datasheet
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General Description
APPLICATION
TEA1110A
Line powered telephone sets, cordless telephones, fax machines, answering machines.
The TEA1110A is a bipolar integrated circuit that performs all speech and line interface functions required in fully electronic telephone sets.
Key Features
- Low DC line voltage; operates down to 1.6 V (excluding voltage drop over external polarity guard).
- Voltage regulator with adjustable DC voltage.
- Provides a supply for external circuits.
- Symmetrical high impedance inputs (64 kΩ) for dynamic, magnetic or piezo-electric microphones.
- Asymmetrical high impedance input (32 kΩ) for electret microphones.
- DTMF input with confidence tone.
- MUTE input for pulse or DTMF dialling.
- Receiv.