STA529_12 Datasheet, PDF (1/57 Pages) STMicroelectronics – FFX™ audio codec with analog and digital inputs and 2 x 1.2 W (or 2 x 100 mW HP) class-D amplifier

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
V_CC = 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
STA529Q
STA529
-40 to 85 °C
-40 to 85 °C
VFQFPN52
TFBGA48
Packaging
Tray
Tray
March 2012
This is information on a product in full production.
Doc ID 13095 Rev 3
1/57
www.st.com
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