NXP Semiconductors TEA1098TV
The TEA1098 is an analog bipolar circuit dedicated to telephony applications. It includes a line interface, handset (HS) microphone and earpiece amplifiers, handsfree (HF) microphone and loudspeaker amplifiers and a duplex controller with signal and noise monitors on both channels. This IC provides a 3.35 V supply for a microcontroller or dialler and a 2.0 V filtered voltage supply for an electret microphone.| Part No. | TEA1098TV |
|---|---|
| Datasheet | TEA1098TV Download |
| Manufacturer |  NXP Semiconductors |
| Description | Speech/handsfree |
| Buy | Stock & Price |
FEATURES
Line interface● 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 compensation. 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
● Asymmetrical high input impedance for electret microphone
● Loudspeaker amplifier with single-ended rail-to-rail output and externally adjustable gain ORDERING INFORMATION TYPE NUMBER TEA1098TV TEA1098H TEA1098UH PACKAGE NAME VSO40 QFP44 −
DESCRIPTION
plastic very small outline package; 40 leads plastic quad flat package;...
