NXP Semiconductors TEA1093
The TEA1093 is a bipolar circuit intended for use in line-powered telephone sets. It incorporates a supply, a microphone channel, a loudspeaker channel and a duplex controller with signal and noise monitors on both channels.| Part No. | TEA1093 |
|---|---|
| Datasheet | TEA1093 Download |
| Manufacturer |  NXP Semiconductors |
| Description | Hands-free |
| Buy | Stock & Price |
FEATURES
● Line powered supply with: – adjustable stabilized supply voltage – power down function● Microphone channel with: – externally adjustable gain – microphone mute function
● Loudspeaker channel with: – externally adjustable gain – dynamic limiter to prevent distortion – rail-to-rail output stages for single-ended or bridge-tied load drive – logarithmic volume control via linear potentiometer – loudspeaker mute function
● Duplex controller consisting of: – signal envelope and noise envelope monitors for both channels with: externally adjustable sensitivity externally adjustable signal envelope time constant externally adjustable noise envelope time constant – decision logic with: externally adjustable switch-over timing externally adjustable idle mode timing externally adjustable dial tone detector in receive channel – voice switch control with: adjustable switching range constant sum of gain during switching constant sum of gain at different volume settings. ORDERING INFORMATI...
