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TS486-1 Datasheet

  • TS486-1

  • 100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY MODE

  • 31頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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TS486
TS487
100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY
MODE
s
OPERATING FROM Vcc=2V to 5.5V
s
STANDBY MODE
ACTIVE LOW (TS486) or
HIGH (TS487)
s
OUTPUT POWER: 102mW @5V, 38mW
@3.3V into 16鈩?with 0.1% THD+N max (1kHz)
s
LOW CURRENT CONSUMPTION:
2.5mA max
s
High Signal-to-Noise ratio: 103dB(A) at 5V
s
High Crosstalk immunity: 83dB (F=1kHz)
s
PSRR: 58 dB (F=1kHz), inputs grounded
s
ON/OFF click reduction circuitry
s
Unity-Gain Stable
s
SHORT CIRCUIT LIMITATION
s
Available in SO8, MiniSO8 & DFN 3x3mm
DESCRIPTION
The TS486/7 is a dual audio power amplifier capa-
ble of driving, in single-ended mode, either a 16 or
a 32鈩?stereo headset.
Capable of descending to low voltages, it delivers
up to 90mW per channel (into 16鈩?loads) of con-
tinuous average power with 0.3% THD+N in the
audio bandwitdth from a 5V power supply.
An externally-controlled standby mode reduces
the supply current to 10nA (typ.). The unity gain
stable TS486/7 can be configured by external
gain-setting resistors or used in a fixed gain ver-
sion.
APPLICATIONS
s
Headphone Amplifier
s
Mobile phone, PDA, computer motherboard
s
High end TV, portable audio player
ORDER CODE
Part
Number
TS486
TS487
TS486
TS486-1
TS486-2
TS486-4
TS487
TS487-1
TS487-2
TS487-4
Temperature
Package
Range: I
D
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tba
tba
tba
S
Q
external TS486I
external TS487I
external K86A
x1/0dB
K86B
x2/6dB
K86C
x4/12dB K86D
external K87A
x1/0dB
K87B
x2/6dB
K87C
x4/12dB K87D
TS487-IQT,
TS487-1IQT, TS487-2IQT, TS487-4IQT: DFN8
Gain
Marking
TS486-IQT, TS486-1IQT, TS486-2IQT, TS486-4IQT:
DFN8
PIN CONNECTIONS
(top view)
TS486IDT: SO8, TS486IST, TS486-1IST,
TS486-2IST, TS486-4IST: MiniSO8
OUT (1)
VIN (1)
BYPASS
GND
1
2
3
4
8
7
6
5
VCC
OUT (2)
VIN (2)
SHUTDOWN
OUT
(1)
1
2
3
4
8
7
6
5
Vcc
OUT
(2)
V
IN (2)
SHUTDOWN
V
IN (1)
BYPASS
GND
TS487IDT: SO8, TS487IST, TS487-1IST,
TS487-2IST, TS487-4IST: MiniSO8
OUT (1)
VIN (1)
BYPASS
GND
1
2
3
4
8
7
6
5
VCC
OUT (2)
VIN (2)
SHUTDOWN
-40, +85擄C
OUT
(1)
V
IN (1)
BYPASS
GND
1
2
3
4
8
7
6
5
Vcc
OUT
(2)
V
IN (2)
SHUTDOWN
MiniSO & DFN only available in Tape & Reel with T suffix,
SO is available in Tube (D) and in Tape & Reel (DT)
June 2003
1/31

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