STA529 datasheet(1/57 Pages) STMICROELECTRONICS

Part #	STA529

Description	FFX™ audio codec with analog and digital inputs and 2 x 1.2 W (or 2 x 100 mW HP) class-D amplifier

PDF	57 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 57 page

This is information on a product in full production.

March 2012

Doc ID 13095 Rev 3

1/57

57

STA529

FFX™ audio codec with analog and digital inputs

and 2 x 1.2 W (or 2 x 100 mW HP) class-D amplifier

Datasheet

− production data

Features

■ Up to 96 dB dynamic range

■ Sample rates from 8 kHz to 192 kHz

■ FFX™ class-D driver

■ 1.55 V to 1.95 V digital power supply

■ 1.80 V to 3.60 V analog and I/O power supply

■ 18-bit audio processing and class-D FFX™

modulator

■ >90-dB SNR analog-to-digital converter

■ Digital volume control:

– +36 dB to -105 dB in 0.5-dB steps

– Software volume update

■ 16-bit ADC

■ Individual channel and master gain/attenuation

■ Automatic invalid input detect mute

■ 2-channel I2S input/output data interface

■ Digitally controlled pop-free operation

■ 90% efficiency

■ Output power for stereo headphones or stereo

speakers applications (at THD = 10% and

VCC = 3.3 V):

– 45 mW with 32-

Ω headphones

– 85 mW with 16-

Ω headphones

– 720 mW with 8-

Ω speakers

– 1.1 W with 4-

Ω speakers

Applications

■ Portable devices

– Laptops

– Digital cameras

– Microless applications

TFBGA48

VFQFPN52

Table 1.

Device summary

Order code

Operating temp. range

Package

Packaging

STA529Q

-40 to 85 °C

VFQFPN52

Tray

STA529

-40 to 85 °C

TFBGA48

Tray

www.st.com

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