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TS482IQT Datasheet

  • TS482IQT

  • 100mW STEREO HEADPHONE AMPLIFIER

  • 599.70KB

  • 24頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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TS482
100mW STEREO HEADPHONE AMPLIFIER
s
Operating from
Vcc=2V to 5.5V
s
100mW into 16鈩?at 5V
s
38mW into 16鈩?at 3.3V
s
11.5mW into 16鈩?at 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 32鈩?stereo headset down to low volt-
ages.
It鈥檚 delivering up to 100mW per channel (into 16鈩?/div>
loads) of continuous average power with 0.1%
THD+N from a 5V power supply.
OUT
(1)
PIN CONNECTIONS
(top view)
TS482ID, TS482IDT - SO8
O
UT (1)
V
IN- (1)
V
IN+ (1)
G
ND
1
2
3
4
8
7
6
5
V
CC
O
UT (2)
V
IN- (2)
V
IN+ (2)
TS482IST - MiniSO8
O
UT (1)
V
IN- (1)
V
IN+ (1)
G
ND
1
2
3
4
8
7
6
5
V
CC
O
UT (2)
V
IN- (2)
V
IN+ (2)
TS482IQT - DFN8
1
2
3
4
8
7
6
5
Vcc
OUT
(2)
V
IN - (2)
V
IN + (2)
The unity gain stable TS482 can be configured by
external gain-setting resistors.
V
IN - (1)
V
IN + (1)
GND
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
TS482ID/DT
TS482IST
TS482IQT
Temperature
Range
Package
Marking
D
鈥?/div>
-40, +85擄C
鈥?/div>
鈥?/div>
482I
S
Q
TYPICAL APPLICATION SCHEMATIC
Rfeed1
1碌F
Right In Cin1
+
2.2碌F
2.2碌F
+
Left In
Cin2
Rfeed2
MiniSO & DFN only available in Tape & Reel with T suffix,
SO is available in Tube (D) and in Tape & Reel (DT))
June 2003
+
+
3.9k
RpolVcc
Cs
100k
8
3.9k
2
-
1
Rin1
3
+
Cb
TS482
+
5
+
7
1碌F
Rin2
6
-
3.9k
4
100k
Rpol
3.9k
+
Vcc
220碌F
+
Cout1
Cout2
RL=32Ohms
+
RL=32Ohms
220碌F
1/24

TS482IQT 產品屬性

  • 1

  • 集成電路 (IC)

  • 線性 - 音頻放大器

  • -

  • AB 類

  • 耳機，2-通道（立體聲）

  • 107mW x 2 @ 16 歐姆

  • 2 V ~ 5.5 V

  • 消除爆音

  • 表面貼裝

  • 8-DFN（3x3）

  • 8-VFDFN 裸露焊盤

  • Digi-Reel®

  • 497-2288-6

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