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TS482 Datasheet(PDF) 1 Page - STMicroelectronics

Part # TS482
Description  100mW Stereo Headphone Amplifier
Download  26 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS482 Datasheet(HTML) 1 Page - STMicroelectronics

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Rev 2
November 2005
1/26
26
TS482
100mW Stereo Headphone Amplifier
Operating from Vcc=2V to 5.5V
100mW into 16
Ω at 5V
38mW into 16
Ω at 3.3V
11.5mW into 16
Ω at 2V
Switch ON/OFF click reduction circuitry
High power supply rejection ratio: 85dB at 5V
High signal-to-noise ratio: 110dB(A) at 5V
High crosstalk immunity: 100dB (F=1kHz)
Rail-to-rail input and output
Unity-gain stable
Available in SO-8, MiniSO-8 & DFN8
Description
The TS482 is a dual audio power amplifier able to
drive a 16 or 32
Ω stereo headset down to low
voltages.
It is delivering up to 100mW per channel (into 16
loads) of continuous average power with 0.1%
THD+N from a 5V power supply.
The unity gain stable TS482 can be configured by
external gain-setting resistors.
Applications
Stereo headphone amplifier
Optical storage
Computer motherboard
PDA, organizers & notebook computers
High-end TV, set-top box, DVD players
Sound cards
Order Codes
Typical application schematic
TS482IST - MiniSO-8
TS482ID, TS482IDT - SO-8
5
OUT (1)
6
7
8
4
3
2
1
VIN+ (1)
GND
VCC
OUT (2)
VIN- (2)
VIN+ (2)
VIN- (1)
5
OUT (1)
6
7
8
4
3
2
1
VIN+ (1)
GND
VCC
OUT (2)
VIN- (2)
VIN+ (2)
VIN- (1)
+
-
+
-
8
4
1
7
2
3
5
6
TS482
3.9k
3.9k
3.9k
3.9k
100k
100k
Vcc
Vcc
220µF
220µF
Right In
Left In
+
RL=32Ohms
+
RL=32Ohms
+
1µF
+
2.2µF
+
2.2µF
+
Cs
1µF
Cin1
Cin2
Rin1
Cout2
Cout1
Rin2
Rfeed1
Rfeed2
Cb
Rpol
Rpol
+
-
+
-
8
4
1
7
2
3
5
6
TS482
3.9k
3.9k
3.9k
3.9k
100k
100k
Vcc
Vcc
220µF
220µF
Right In
Left In
+
RL=32Ohms
+
RL=32Ohms
+
1µF
+
2.2µF
+
2.2µF
+
Cs
1µF
Cin1
Cin2
Rin1
Cout2
Cout1
Rin2
Rfeed1
Rfeed2
Cb
Rpol
Rpol
TS482IQT - DFN8
1
2
3
4
5
8
7
6
VIN + (1)
GND
VIN + (2)
Vcc
OUT (2)
OUT (1)
VIN - (2)
VIN - (1)
1
2
3
4
5
8
7
6
VIN + (1)
GND
VIN + (2)
Vcc
OUT (2)
OUT (1)
VIN - (2)
VIN - (1)
Part Number
Temperature Range
Package
Packing
Marking
TS482ID/IDT
-40, +85°C
SO-8
Tube or Tape & Reel
482I
TS482IST
miniSO-8
Tape & Reel
TS482IQT
DFN8
www.st.com


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