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TS4974

Features: `Operating from VCC = 2.5V to 5.5V` Zero pop&clickless circuit` 1.W output power @ Vcc=5V, THD=1%, F=1kHz, with 8 Load` Ultra low consumption in standby mode (2A max.)` 85dB PSRR @ 217Hz` 16 digital volume control steps` Two up and down volume control discrete pins` Gain range from -...

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SeekIC No. : 004528762 Detail

TS4974: Features: `Operating from VCC = 2.5V to 5.5V` Zero pop&clickless circuit` 1.W output power @ Vcc=5V, THD=1%, F=1kHz, with 8 Load` Ultra low consumption in standby mode (2A max.)` 85dB PSRR @ 217...

TS4974 Data Sheet

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Part Number:
TS4974
Supply Ability:
5000

Price Break

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

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Upload time: 2025/1/11

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Product Details

Description



Features:

` Operating from VCC = 2.5V to 5.5V
` Zero pop&clickless circuit
` 1.W output power @ Vcc=5V, THD=1%, F=1kHz, with 8 Load
` Ultra low consumption in standby mode (2A max.)
` 85dB PSRR @ 217Hz
` 16 digital volume control steps
` Two up and down volume control discrete pins
` Gain range from -33dB to + 12dB
` Integrated debouncing system
` Ultra fast start up time: 15ms typ.
` DFN10 3X3 mm pitch 0.5


Application

· Mobile phones (cellular / cordless)
· PDAs
· Laptop/notebook computers
· Portable audio devices


Pinout

Connection Diagram




Specifications

Symbol
 Parameter
Value
Unit
VCC
 Supply voltage (1)
6
V
Vi
 Input Voltage (2)
GND to VCC
V
Toper
 Operating Free Air Temperature Range
-40 to + 85
Tstg
 Storage Temperature
-65 to +150
Tj
 Maximum Junction Temperature
150
Rthja
 Thermal Resistance Junction to Ambient (3)
SO8
MiniSO8
200
/W
Pd
 Power Dissipation
Internally Limited4
ESD
 Human Body Model (5)
2
kV
ESD
 Machine Model
200
V
Latch-up Latch-up Immunity
200
 mA
 Lead Temperature (soldering, 10sec)
260
(1) All voltages values are measured with respect to the ground pin.
(2) The magnitude of input signal must never exceed VCC + 0.3V / GND - 0.3V.
(3) Device is protected in case of over temperature by a thermal shutdown active @ 150°C.
(4) Exceeding the power derating curves during a long period, may involve abnormal operating condition.
(5) Human body model, 100pF discharged through a 1.5kOhm resistor, into pin to Vcc device.


Description

At 3.3v, the TS4974 is a dual power audio amplifier capable of delivering 380mW of continuous RMS ouput power into a 8 bridgedtied loads with 1% THD+N. An external standby mode control reduces the supply current to less than 2A. An internal over-temperature shutdown protection is provided.

The TS4974 has been designed for high quality audio applications such as mobile phones and for minimizing the number of external components.

The TS4974 features a 16 step digital volume control through two discrete control Up and Down pins. The start-up gain is internally fixed to -12dB. An integrated debounce system prevents voltage pikes on UP/DOWN pins during volume control mode to be taken into account during a debounce time of 10ms (typ.).




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