TEA1098 Description
plastic very small outline package; 40 leads plastic quad flat package; 44 leads (lead length 1.3 mm);.
TEA1098 Key Features
- Low DC line voltage
- Voltage regulator with adjustable DC voltage
- Symmetrical high impedance inputs (70 kΩ) for dynamic, magnetic or electret microphones
- 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 pensation. Supplies
- Provides a strong 3.35 V regulated supply for microcontrollers or diallers
- Provides filtered power supply, optimized according to line current
- Filtered 2.0 V power supply output for electret microphone
- PD logic input for power-down. Handsfree
TEA1098 Applications
- Line powered telephone sets. GENERAL DESCRIPTION The TEA1098 is an analog bipolar circuit dedicated to telephony applications. It includes a line interface, han