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STMicroelectronics - 100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY MODE

Numéro de référence TS487-2
Description 100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY MODE
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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TS487-2 fiche technique
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 16with 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 32stereo headset.
Capable of descending to low voltages, it delivers
up to 90mW per channel (into 16loads) 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 Temperature Package
Number Range: I D S Q
Gain Marking
TS486
TS487
TS486
TS486-1
TS486-2
TS486-4
TS487
TS487-1
TS487-2
TS487-4
-40, +85°C
external TS486I
external TS487I
• • external K86A
tba tba x1/0dB K86B
tba tba x2/6dB K86C
tba tba x4/12dB K86D
• • external K87A
tba tba x1/0dB K87B
tba tba x2/6dB K87C
tba tba x4/12dB K87D
MiniSO & DFN only available in Tape & Reel with T suffix,
SO is available in Tube (D) and in Tape & Reel (DT)
June 2003
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 VCC
7 OUT (2)
6 VIN (2)
5 SHUTDOWN
TS486-IQT, TS486-1IQT, TS486-2IQT, TS486-4IQT:
DFN8
OUT (1) 1
VIN (1) 2
BYPASS 3
GND 4
8 Vcc
7 OUT (2)
6 VIN (2)
5 SHUTDOWN
TS487IDT: SO8, TS487IST, TS487-1IST,
TS487-2IST, TS487-4IST: MiniSO8
OUT (1)
VIN (1)
BYPASS
GND
1
2
3
4
8 VCC
7 OUT (2)
6 VIN (2)
5 SHUTDOWN
TS487-IQT,
TS487-1IQT, TS487-2IQT, TS487-4IQT: DFN8
OUT (1) 1
VIN (1) 2
BYPASS 3
GND 4
8 Vcc
7 OUT (2)
6 VIN (2)
5 SHUTDOWN
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