Key facts
- Brand
- Philips
- Model
- TEA1098
- Category
- Other Electronics
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-07-04
Start here

Philips TEA1098A Speech and handsfree IC Datasheet
The Philips TEA1098A is an analog bipolar integrated circuit designed for telephony applications, specifically line-powered telephone sets. It functions as a duplex controller integrating line interface, handset microphone and earpiece amplifiers, and handsfree microphone and loudspeaker amplifiers.
The device provides a strong 3.35 V regulated supply for microcontrollers and a filtered 2.0 V supply for electret microphones. It features digital volume control for both earphone and loudspeaker amplifiers, automatic gain control for line loss compensation, and a duplex controller with adjustable signal and noise envelope monitors.
Philips TEA1098 specifications
| Stabilized voltage between SLPE and GND | 3.4 - 6.5 V |
|---|---|
| Voltage gain from MIC+ to LN | 43.3 - 45.3 dB |
| Voltage gain from IR to RECO | 28.7 - 30.7 dB |
| Voltage gain range between RECO and EARO | -3 - 41.5 dB |
| Voltage gain from HFTX to LN | 33.5 - 35.9 dB |
All Philips TEA1098 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the primary application for the TEA1098A?
It is dedicated for line powered telephone sets.
What voltage does the IC provide for a microcontroller?
It provides a strong 3.35 V regulated supply for a microcontroller.
What is the primary application for the TEA1098?
The TEA1098 is dedicated to telephony applications, specifically line powered telephone sets.
What supply voltage does the IC provide for microcontrollers?
The IC provides a strong 3.35 V regulated supply for microcontrollers or diallers.
