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Description

The TS488/9 is an enhancement of TS486/7 that eliminates pop and click noise and reduces the number of external passive components.

The TS488/9 is a dual audio power amplifier capable of driving, in single-ended mode, either a 16¦¸ or a 32¦¸ stereo headset.

Features

¡ö Pop and click noise protection circuitry

¡ö Operating range from VCC = 2.2V to 5.5V

¡ö Standby mode active low (TS488) or high (TS489)

¡ö Output power:

¨C 120mW @5V, into 16¦¸ with 0.1 THD+N max (1kHz)

¨C 55mW @3.3V, into 16¦¸ with 0.1 THD+N max (1kHz)

¡ö Low current consumption: 2.7mA max @5V

¡ö Ultra low standby current consumption: 10nA typical

¡ö High signal-to-noise ratio

¡ö High crosstalk immunity: 102dB (F = 1kHz)

¡ö PSRR: 70dB typ. (F = 1kHz), inputs grounded @5V

¡ö Unity-gain stable

¡ö Short-circuit protection circuitry

¡ö Available in lead-free MiniSO-8 & DFN8 2mm x 2mm

Applications

¡ö Headphone amplifier

¡ö Mobile phone, PDA, computer motherboard

¡ö High-end TV, portable audio player