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TB2173FTG

Features: • Accepts headphone amplifier inputs from two sources• Selectable headphone amplifier output: Output coupling or OCL• Incorporates beep circuit• Incorporates power switch (controlled using port or command)• Supports power muting (controlled using port or com...

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SeekIC No. : 004512579 Detail

TB2173FTG: Features: • Accepts headphone amplifier inputs from two sources• Selectable headphone amplifier output: Output coupling or OCL• Incorporates beep circuit• Incorporates power ...

TB2173FTG Data Sheet

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Part Number:
TB2173FTG
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Accepts headphone amplifier inputs from two sources
• Selectable headphone amplifier output: Output coupling or OCL
• Incorporates beep circuit
• Incorporates power switch (controlled using port or command)
• Supports power muting (controlled using port or command)
• Features with single source only (tuner mode):
    • Electronic volume
       Provides logic reset feature
    • Low-frequency boost (with AGC)
• Two port expansion circuits
• Operating supply voltage range: Ta = 25°C
                                                       VDD (opr) = 1.8 to 4.5 V
                                                       VCC1 (opr) = 1.8 to 4.5 V
                                                       VCC2 (opr) = 0.9 to 4.5 V
   Note: Use the device with VCC1 greater than or equal to VCC2.
• Handle the product with great care because its surge resistance is low.
• Ensure that the product is mounted correctly.
  Otherwise, the product or connected equipment may get damaged or degrade.


Specifications

Characteristic
Symbol
Rating
Unit
DC supply voltage
VDD
5.0
V
VCC
Operating supply voltage
VDD
4.5
V
VCC
Power block output curren
IO
100
mA
Power dissipation
PD
(Note 1)
350
mW
(Note 2)
1200
Operating temperature
Topr
−25 to 75
Storage temperature
Tstg
−55 to 150

Note 1: IC alone: When the IC is used at 25°C or higher, reduce 2.8 mW per 1°C.

Note 2: When mounted on Toshiba standard board: When the IC is used at 25°C or higher, reduce 9.6 mW per 1°C.

The absolute maximum ratings of a semiconductor device are a set of specified parameter values which must not be
exceeded during operation, even for an instant.

Exposure to conditions beyond those listed above may cause permanent damage to the device or affect device
reliability, which could increase potential risks of personal injury due to IC blowup and/or burning.

The equipment manufacturer should design so that no absolute maximum rating value is exceeded with respect to
current, voltage, power dissipation, temperature, etc.

Ensuring that the parameter values remain within these specified ranges during device operation will help to ensure
that the integrity of the device is not compromised.


Description

The TB2173FTG is a stereo headphone amplifier IC that can accept two sources, developed for portable audio systems.
It is particularly ideal for digital portable audio systems having built-in tuners.




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