STA321TR View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
STA321TR Datasheet PDF : 157 Pages
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STA321
4-channel digital audio system with FFX™ driver
Features
High efficiency FFX™ class-D modulator
100-dB dynamic range
Two stereo channels with I2S input/output data
interface
16-bit stereo ADC input with PGA and
microphone biasing
Analog and digital muxing/mixing capability
4-channel input sample rate converter
(8 kHz to 192 kHz)
Four channels of 24-bit audio processing
Flexible channel mapping and routing
Output configurations:
– 2.0
– 2.1
– 4.0
– Mono
Embedded CMOS bridge: up to 0.5 W/channel
pfStart™ for pop-free single-ended operations
Play and record simultaneous operation
Pre and post mix stages
Individual channel and master gain/attenuation
LQFP-64 package
with exposed pad down (EPD)
Digital gain/attenuation -105 dB to +36 dB in
0.5-dB steps
Soft volume update and muting
DC-blocking selectable high-pass filter
Selectable de-emphasis filter
Up to 13 28-bit user programmable biquads
(EQ) per channel
Bass/treble tone control
Ternary, binary or phase shift modulation
PWM output
Headphone output with jack detector
I2C control.
Table 1. Device summary
Order code
Temperature range
STA321
0 to 70 °C
STA321TR
0 to 70 °C
Package
LQFP-64 EPD
LQFP-64 EPD
Packaging
Tray
Tape and reel
October 2009
Doc ID 15351 Rev 3
1/157
www.st.com
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