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STMicroelectronics - 100mW STEREO HEADPHONE AMPLIFIER

Numéro de référence TS482
Description 100mW STEREO HEADPHONE AMPLIFIER
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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TS482 fiche technique
TS482
100mW STEREO HEADPHONE AMPLIFIER
s Operating from Vcc=2V to 5.5V
s 100mW into 16at 5V
s 38mW into 16at 3.3V
s 11.5mW into 16at 2V
s Switch ON/OFF click reduction circuitry
s High Power Supply Rejection Ratio: 85dB at
5V
s High Signal-to-Noise ratio: 110dB(A) at 5V
s High Crosstalk immunity: 100dB (F=1kHz)
s Rail to Rail input and output
s Unity-Gain Stable
s Available in SO8, MiniSO8 & DFN8
DESCRIPTION
The TS482 is a dual audio power amplifier able to
drive a 16 or 32stereo headset down to low volt-
ages.
PIN CONNECTIONS (top view)
TS482ID, TS482IDT - SO8
OUT (1)
VIN- (1)
VIN+ (1)
GND
1
2
3
4
8 VCC
7 OUT (2)
6 VIN- (2)
5 VIN+ (2)
TS482IST - MiniSO8
OUT (1)
VIN- (1)
VIN+ (1)
GND
1
2
3
4
8 VCC
7 OUT (2)
6 VIN- (2)
5 VIN+ (2)
It’s 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.
TS482IQT - DFN8
OUT (1) 1
VIN - (1) 2
VIN + (1) 3
GND 4
8 Vcc
7 OUT (2)
6 VIN - (2)
5 VIN + (2)
APPLICATIONS
s Stereo Headphone Amplifier
s Optical Storage
s Computer Motherboard
s PDA, organizers & Notebook computers
s High end TV, Set Top Box, DVD Players
s Sound Cards
ORDER CODE
Part Number
Temperature
Range
Package
DSQ
TS482ID/DT
TS482IST
TS482IQT
-40, +85°C
Marking
482I
MiniSO & DFN only available in Tape & Reel with T suffix,
SO is available in Tube (D) and in Tape & Reel (DT))
June 2003
TYPICAL APPLICATION SCHEMATIC
Rfeed1
1µF Vcc 3.9k
+ RpolVcc
Right In Cin1
Cs
3.9k
+
100k
8
2-
1
2.2µF
Rin1
3
Cb
+
2.2µF Rin21µF
5
6
+
TS482
+7
-
+
Left In Cin2 3.9k
4
100k
Rpol
3.9k
220µF RL=32Ohms
+
Cout1
Cout2 RL=32Ohms
+
220µF
Rfeed2
1/24

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