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TEA1093

Features: ` Line powered supply with: adjustable stabilized supply voltage power down function` Microphone channel with: externally adjustable gain microphone mute function` Loudspeaker channel with: externally adjustable gain dynamic limiter to prevent distortion rail-to-rail output stages for si...

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SeekIC No. : 004517239 Detail

TEA1093: Features: ` Line powered supply with: adjustable stabilized supply voltage power down function` Microphone channel with: externally adjustable gain microphone mute function` Loudspeaker channel with...

TEA1093 Data Sheet

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Part Number:
TEA1093
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` Line powered supply with:
adjustable stabilized supply voltage
power down function
` Microphone channel with:
externally adjustable gain
microphone mute function
` Loudspeaker channel with:
externally adjustable gain
dynamic limiter to prevent distortion
rail-to-rail output stages for single-ended or
bridge-tied load drive
logarithmic volume control via linear potentiometer
loudspeaker mute function
` Duplex controller consisting of:
signal envelope and noise envelope monitors for both
channels with:
externally adjustable sensitivity
externally adjustable signal envelope time constant
externally adjustable noise envelope time constant
decision logic with:
externally adjustable switch-over timing
externally adjustable idle mode timing
externally adjustable dial tone detector in receive
channel
voice switch control with:
adjustable switching range
constant sum of gain during switching
constant sum of gain at different volume settings.


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
Vn(max)
VRINmax
VBBmax
VSREFmax
VSUPmax
ISUPmax
Ptot




Tstg
Tamb		 maximum voltage on all pins; except
pins SUP, SREF, VBB, RIN1 and RIN2
maximum voltage on pin RIN1 or
RIN2
maximum voltage on pin VBB
maximum voltage on pin SREF
maximum voltage on pin SUP
maximum current on pin SUP
total power dissipation
TEA1093
TEA1093T
storage temperature
operating ambient temperature

see also Figs 13 and 14
see also Figs 13 and 14;
Tamb = 75 °C
VGND - 0.4 V
VGND - 1.2 V

VGND - 0.4 V
VGND - 0.4 V
VGND - 0.4 V
-

-
-
-40
-25
VBB + 0.4 V
VBB + 0.4 V

12.0
VSUP + 0.4 V
12.0
140

910
670
+125
+75
V
V

V
V
V
mA

mW
mW
°C
°C



Description

The TEA1093 is a bipolar circuit intended for use in line-powered telephone sets. In conjunction with a member of the TEA1060 family or PCA1070 transmission circuits, the device offers a hands-free function for line powered telephone sets. It incorporates a supply, a microphone channel, a loudspeaker channel and a duplex controller with signal and noise monitors on both channels.




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