Document
STA369BW
2.1-channel high-efficiency digital audio system Sound Terminal®
Datasheet - production data
PowerSSO-36 with exposed pad down (EPD)
Features
Wide-range supply voltage – 5 V to 26 V (operating range) – 30 V (absolute maximum rating)
Four power output configurations – 2 channels of ternary PWM (stereo mode) (2 x 30 W into 8 at 22 V) – 3 channels - left, right using binary and LFE using ternary PWM (2.1 mode) (2 x 15 W + 1 x 30 W into 2 x 4, 1 x 8 at 22 V) – 2 channels of ternary PWM (2 x 30 W) + stereo lineout ternary)
FFX®100 dB SNR and dynamic range Selectable 32 to 192 kHz input sampling rates I2C control with selectable device address Digital gain/attenuation +42 dB to -80 dB with
0.125 dB/step resolution Soft-volume update with programmable ratio Individual channel and master gain/attenuation Two independent DRCs configurable as a
dual-band anti-clipper (B2DRC) or independent limiters/compressors EQ-DRC for DRC based on filtered signals Dedicated LFE processing for bass boosting with 0.125 dB/step resolution Audio presets:
– 15 preset crossover filters – 5 preset anti-clipping modes – Preset nighttime listening mode
Individual channel and master soft/hard mute
Independent channel volume and DSP bypass
Automatic zero-detect mute
Automatic invalid input-detect mute I2S input data interface
Input and output channel mapping
Up to 8 user-programmable biquads per channel
3 coefficient banks for EQ presets storing with fast recall via I2C interface
Extended coefficient dynamic up to -4..4 for easy implementation of high shelf filters
Bass/treble tones and de-emphasis control
Selectable high-pass filter for DC blocking
Advanced AM interference frequency switching and noise suppression modes
Selectable high- or low-bandwidth noise-shaping topologies
Selectable clock input ratio
96 kHz internal processing sampling rate with quantization error noise shaping for very low cutoff frequency filters
Thermal overload and short-circuit protection embedded
Video apps: 576 x Fs input mode supported
Fully compatible with STA339BW, STA369BWS and STA350BW
Table 1. Device summary
Order code
Package
Packing
STA369BW Power SSO-36
Tube
STA369BWTR Power SSO-36 Tape and reel
September 2013
This is information on a product in full production.
DocID022033 Rev 2
1/89
www.st.com
Contents
Contents
STA369BW
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
2 Pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.1 Connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.3 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3.4 Electrical specifications for the digital section . . . . . . . . . . . . . . . . . . . . . 15 3.5 Electrical specifications for the power section . . . . . . . . . . . . . . . . . . . . . 16
4 Characterization curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.1 Mono parallel BTL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5 Serial audio interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.0.1 Timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 5.0.2 Delay serial clock enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 5.0.3 Channel input mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6 Processing data paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7 I2C bus specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7.1 Communication protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7.1.1 Data transition or change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 7.1.2 Start condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 7.1.3 Stop condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 7.1.4 Data input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7.2 Device addressing ..