TEA1097TV
Key Features
- Low DC line voltage
- Voltage regulator with adjustable DC voltage
- Symmetrical high-impedance inputs (70 kΩ) for dynamic, magnetic or electric microphones
- Dual Tone Multi-Frequency (DTMF) input with confidence tone on earphone and/or loudspeaker
- Receive amplifier for dynamic, magnetic or piezo-electric earpieces (with externally adjustable gain)
- Automatic Gain Control (AGC) for true line loss compensation. Supplies
- Provides a strong 3.35 V regulated supply for microcontroller or dialler
- Provides filtered power supply, optimized according to line current and compatible with external voltage or current sources
- Filtered 2 V power supply output for electret microphone
- Compatible with a ringer mode
