TEA1114A, TEA1114AT, TEA1114T Selling Leads, Datasheet
MFG:PHILIPS Package Cooled:00+ D/C:OO
TEA1114A, TEA1114AT, TEA1114T Datasheet download
Part Number: TEA1114A
MFG: PHILIPS
Package Cooled: 00+
D/C: OO
TEA1114A, TEA1114AT, TEA1114T
- Table of contents:
Info of TEA1114A
Info of TEA1114AT
Info of TEA1114T
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TEA1114A Quality Suppliers:
QINYUAN ELECTRONICS (HK) LIMITED
Contact: Mr.Steven Wang
Tel: 86-0755-83987685
Adddate: 2010-07-31
(22)
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TEA1114AT Quality Suppliers:
QINYUAN ELECTRONICS (HK) LIMITED
Contact: Mr.Steven Wang
Tel: 86-0755-83987685
Adddate: 2010-07-31
(22)
-
TEA1114T Quality Supplier:
AN NUOKE(HONGKONG)ELECTRONIC TECHNOLOGY LIMITED
Contact: Ms.Rachel
Tel: 0086-20-83190457
Adddate: 2010-07-31
(313)
About TEA1114A
PDF/DataSheet Download
Datasheet: TEA1114A
File Size: 153984 KB
Manufacturer: PHILIPS [Philips Semiconductors]
Download : Click here to Download
About TEA1114AT
PDF/DataSheet Download
Datasheet: TEA1114AT
File Size: 153984 KB
Manufacturer: PHILIPS [Philips Semiconductors]
Download : Click here to Download
About TEA0652
PDF/DataSheet Download
Datasheet: TEA0652
File Size: 156756 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
TEA1114A General Description
The TEA1114A is a bipolar integrated circuit that performs all speech and line interface functions required in fully electronic telephone sets. It performs electronic switching between speech and dialling. The IC operates at a line voltage down to 1.45 V DC (with reduced performance) to facilitate the use of telephone sets connected in parallel.
When the line current is high enough, a fixed amount of current is derived from the LN pin in order to create a strong supply point at pin VDD. The voltage at pin VDD is regulated to 3.3 V to supply peripherals such as dialler, LCD module and microcontroller.
TEA1114A Maximum Ratings
|
SYMBOL |
PARAMETER |
CONDITIONS |
MIN. |
MAX. |
UNIT |
|
VLN |
positive continuous line voltage |
VEE - 0.4 |
12 |
V | |
|
repetitive line voltage during switch-on or line interruption |
VEE - 0.4 |
13.2 |
V | ||
|
IDD |
maximum input current at pin VDD |
- |
75 |
mA | |
|
Vn(max) |
maximum voltage on all pins except pin VDD |
VEE - 0.4 |
VCC + 0.4 |
V | |
|
Iline |
line current |
RSLPE = 20 W; |
- |
140 |
mA |
|
Ptot |
total power dissipation TEA1114A TEA1114AT TEA1114AUH; note 1 |
Tamb = 75 °C; see Figs 11 and 12 |
- - - - |
625 416 - |
mW mW |
|
Tstg |
storage temperature |
-40 |
+125 |
°C | |
|
Tamb |
ambient temperature |
-25 |
+75 |
°C | |
|
Tj |
junction temperature |
- |
125 |
°C |
Note
1. Mostly dependent on the maximum required ambient temperature, on the voltage between LN and SLPE and on the thermal resistance between die ambient temperature. This thermal resistance depends on the application board layout and on the materials used. Figure 13 shows the safe operating area versus this thermal resistance for ambient
temperature Tamb = 75 °C.
TEA1114A Features
· Low DC line voltage; operates down to 1.45 V (excluding voltage drop over external polarity guard)
· Line voltage regulator with adjustable DC voltage
· 3.3 V regulated strong supply point for peripheral circuits compatible with:
– Speech mode
– Ringer mode
– Trickle mode.
· Transmit stage with:
– Microphone amplifier with symmetrical high impedance inputs
– DTMF amplifier with confidence tone on receive output.
· Receive stage with:
– Receive amplifier with asymmetrical output
– Earpiece amplifier with adjustable gain (and gain boost facility) for all types of earpieces.
· MUTE input for pulse or DTMF dialling
· AGC line loss compensation for microphone and receive amplifiers.
· Line voltage regulator with adjustable DC voltage
· 3.3 V regulated strong supply point for peripheral circuits compatible with:
– Speech mode
– Ringer mode
– Trickle mode.
· Transmit stage with:
– Microphone amplifier with symmetrical high impedance inputs
– DTMF amplifier with confidence tone on receive output.
· Receive stage with:
– Receive amplifier with asymmetrical output
– Earpiece amplifier with adjustable gain (and gain boost facility) for all types of earpieces.
· MUTE input for pulse or DTMF dialling
· AGC line loss compensation for microphone and receive amplifiers.
TEA1114A Typical Application
· Line powered telephone sets with LCD module
· Cordless telephones
· Fax machines
· Answering machines.
· Cordless telephones
· Fax machines
· Answering machines.
TEA1114A Connection Diagram
