TEA1097T, TEA1097V, TEA1098 Selling Leads, Datasheet
MFG:PHILIPS Package Cooled:SSOP-40 D/C:05+
TEA1097T, TEA1097V, TEA1098 Datasheet download
Part Number: TEA1097T
MFG: PHILIPS
Package Cooled: SSOP-40
D/C: 05+
TEA1097T, TEA1097V, TEA1098
- Table of contents:
Info of TEA1097T
Info of TEA1097V
Info of TEA1098
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About TEA1097TV
PDF/DataSheet Download
Datasheet: TEA1097TV
File Size: 171811 KB
Manufacturer: PHILIPS [Philips Semiconductors]
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About TEA0652
PDF/DataSheet Download
Datasheet: TEA0652
File Size: 156756 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
About TEA1098
PDF/DataSheet Download
Datasheet: TEA1098
File Size: 204040 KB
Manufacturer: PHILIPS [Philips Semiconductors]
Download : Click here to Download
TEA1098 General Description
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.
TEA1098 Maximum Ratings
| SYMBOL | PARAMETER | CONDITIONS | MIN. | MAX. | UNIT |
| VLN | positive continuous line voltage | - 0.4 | +12 | V | |
| repetitive line voltage during switch-on or line interruption | - 0.4 | +13.2 | V | ||
| Vn(max) | maximum voltage on pins REG, SLPE, IR and AGC | -0.4 | VLN + 0.4 | V | |
| maximum voltage on all other pins except VDD | -0.4 | VBB + 0.4 | V | ||
| Iline | maximum line current |
- | 130 |
mA | |
| Ptot |
total power dissipation TEA1098TV (see Fig.15) TEA1098H (see Fig.16) TEA1098UH; note 1 |
Tamb = 75 °C; |
- - - |
400 720 - |
mW mW |
| Tstg | IC storage temperature | -40 | +125 | °C | |
| Tamb | operating ambient temperature | -25 | +75 | °C | |
| Tj | junction temperature | - | 125 | °C |
TEA1098 Features
Line interface
Low DC line voltage
Voltage regulator with adjustable DC voltage
Symmetrical high impedance inputs (70 k) for dynamic, magnetic or electret microphones
DTMF input with confidence tone on earphone and/or loudspeaker
Earphone 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
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
Dynamic limiter on loudspeaker amplifier to prevent distortion
Digital volume control on loudspeaker amplifier (8 steps)
Duplex controller consisting of:
signal and noise envelope monitors for both channels (with adjustable sensitivities and timing)
decision logic (with adjustable switch-over and Idle mode timing)
voice switch control (with adjustable switching range and constant sum of gain during switching).
Low DC line voltage
Voltage regulator with adjustable DC voltage
Symmetrical high impedance inputs (70 k) for dynamic, magnetic or electret microphones
DTMF input with confidence tone on earphone and/or loudspeaker
Earphone 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
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
Dynamic limiter on loudspeaker amplifier to prevent distortion
Digital volume control on loudspeaker amplifier (8 steps)
Duplex controller consisting of:
signal and noise envelope monitors for both channels (with adjustable sensitivities and timing)
decision logic (with adjustable switch-over and Idle mode timing)
voice switch control (with adjustable switching range and constant sum of gain during switching).
TEA1098 Typical Application
Line powered telephone sets.
TEA1098 Connection Diagram
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