TS486, TS486-1IQT, TS486-1IST, TS486-2IST, TS486-4IST, TS486ID, TS486IDT, TS486IQT, TS486IST, TS487, TS487-1IST, TS487-2IST, TS487-4IST, TS487ID, TS487IDT, TS487IQT, TS487IST

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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 s OUTPUT POWER: 102mW @5V, 38mW 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 capable of driving, in single-ended mode, either a 16 or a 32 stereo headset. Capable of descending to low voltages, it delivers up to 90mW per channel (into 16 loads) of continuous 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 version. APPLICATIONS
TS486-IQT, TS486-1IQT, TS486-2IQT, TS486-4IQT: DFN8

PIN CONNECTIONS (top view)
TS486IDT: SO8, TS486IST, TS486-1IST, TS486-2IST, TS486-4IST: MiniSO8

HIGH (TS487)

@3.3V into 16 with 0.1% THD+N max (1kHz)

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) VIN (2) SHUTDOWN

VIN (1) BYPASS GND

TS487IDT: SO8, TS487IST, TS487-1IST, TS487-2IST, TS487-4IST: MiniSO8

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 TS486 TS487 TS486 TS486-1 TS486-2 TS486-4 TS487 TS487-1 TS487-2 TS487-4 tba tba tba tba tba tba tba tba tba tba tba tba Gain Marking

OUT (1) VIN (1) BYPASS GND

1 2 3 4

8 7 6 5

VCC OUT (2) VIN (2) SHUTDOWN

-40, +85 C

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

OUT (1) VIN (1) BYPASS GND

1 2 3 4

8 7 6 5

Vcc OUT (2) VIN (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

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TS486 DATASHEET