STA369BWSTR STMicroelectronics

STA369BWS 2.1-channel 40-watt high-efficiency digital audio system Sound Terminal Datasheet - production data Audio presets: 15 preset crossover filters 5 preset anti-clipping modes Preset night-time listening mode Individual channel soft/hard mute Independent channel volume and DSP bypass 2 I S input data interface PowerSSO-36 Input and output channel mapping with exposed pad down (EPD) Automatic invalid input-detect mute Up to 8 user-programmable biquads/channel Three coefficients banks for EQ presets storing Features 2 with fast recall via I C interface Wide-range supply voltage, 4.5 V to 21.5 V Extended filter dynamics +4/-4 for better sound Three power output configurations: shaping and easier filter implementation 2 channels of ternary PWM Bass/treble tones and de-emphasis control (2 x 20 W into 8 at 18 V) + PWM output Selectable high-pass filter for DC blocking 2 channels of ternary PWM Advanced AM interference frequency (2 x 20 W into 8 at 18 V) + ternary stereo switching and noise suppression modes line-out 2.1 channels of binary PWM (left, right, F3X advanced PWM modulation scheme for LFE) (2 x 9 W into 4 +1 x 20 W into 8 carrier suppression (headphone or line output) at 18 V) Selectable high- or low-bandwidth FFX with 100-dB SNR and dynamic range noise-shaping topologies Scalable FFX modulation index (up to 100%) Selectable clock input ratio Selectable 32- to 192-kHz input sample rates 96-kHz internal processing sample rate with 2 quantization error noise shaping for very low I C control with selectable device address cut-off frequency filters Digital gain/attenuation +48 dB to -80 dB with Thermal overload and short-circuit protection 0.125-dB/step resolution embedded Soft volume update with programmable ratio Video apps: 576 x f input mode supported S Individual channel and master gain/attenuation PCB manufacturing short-circuit protection Two independent DRCs configurable as a technology 2 dual-band anti-clipper (B DRC) or as independent limiters/compressors with Table 1. Device summary optional global DRC capability Order code Package Packaging EQ-DRC for DRC based on filtered signals STA369BWS PowerSSO-36 EPD Tube Dedicated LFE processing for bass boosting with 0.125-dB/step resolution STA369BWSTR PowerSSO-36 EPD Tape and reel September 2014 DocID016861 Rev 7 1/92 This is information on a product in full production. www.st.comContents STA369BWS Contents 1 Description . 9 2 Pin connections 11 2.1 Connection diagram . 11 2.2 Pin description . 11 3 Electrical specifications . 13 3.1 Absolute maximum ratings 13 3.2 Thermal data 13 3.3 Recommended operating conditions 14 3.4 Electrical specifications for the digital section . 14 3.5 Electrical specifications for the power section . 15 3.6 Power on/off sequence . 17 4 Serial audio interface . 18 4.0.1 Timings . 18 4.0.2 Delay serial clock enable 18 4.0.3 Channel input mapping . 18 5 Processing data paths 19 2 6I C bus specification 21 6.1 Communication protocol 21 6.1.1 Data transition or change 21 6.1.2 Start condition 21 6.1.3 Stop condition 21 6.1.4 Data input . 21 6.2 Device addressing 21 6.3 Write operation . 22 6.3.1 Byte write 22 6.3.2 Multi-byte write 22 6.4 Read operation . 22 6.4.1 Current address byte read . 22 2/92 DocID016861 Rev 7