http://www.datasheet4u.com

900,000+ Datasheet PDF Search and Download

Datasheet4U offers most rated semiconductors datasheets pdf




STMicroelectronics Electronic Components Datasheet

STA382BW Datasheet

2.1-channel high-efficiency digital audio system

No Preview Available !

STA382BW pdf
STA382BW
Sound Terminal®
2.1-channel high-efficiency digital audio system
Datasheet preliminary data
Features
Wide-range supply voltage
– 4.5 V to 26 V (operating range)
VQFN48 (7 x 7 mm)
– 30 V (absolute maximum rating)
)I2C control with selectable device address
t(sEmbedded full IC protection
uc– Manufacturing short-circuit protection (out
dvs. gnd, out vs. vcc, out vs. out)
ro– Thermal protection
P– Overcurrent protection
te– Undervoltage protection
le1 Vrms stereo analog input
oI2S interface, sampling rate 32 kHz ~ 192 kHz,
bswith internal sampling frequency converter for
Ofixed processing frequency
-Three output power stage configurations
t(s)– 2.0 mode, L/R full bridges
– 2.1 mode, L/R two half-bridges, subwoofer
cfull bridge
du– 2.1 mode, L/R full bridges, PWM output for
roexternal subwoofer amplifier
PDriving load capabilities
te– 2 x 20 W into 8 Ω ternary modulation
le– 2 x 9 W into 4 Ω + 1 x 20 W into 8 Ω
oFFXTM 100 dB dynamic range
bsFixed output PWM frequency at any input
O sampling frequency
Headphone
– Embedded negative charge pump
– Full capless output configuration
– Driving load capabilities: 40 mW into 32 Ω
Line out
– 2 Vrms line output capability
Up to 12 user-programmable biquads with
noise-shaping technology
Direct access to coefficients through I2C
shadowing mechanism
Fixed (88.2 kHz / 96 kHz) internal processing
sampling rate
Two independent DRCs configurable as a
dual-band anticlipper or independent
limiters/compressors (B2DRC)
Digital gain/att +48 dB to -80 dB with
0.125 dB/step resolution
Independent (fade-in, fade-out) soft volume
update with programmable rate 48 ~ 1.5 dB/ms
Bass/treble tones control
Audio presets: 15 crossover filters,
5 anticlipping modes, nighttime listening mode
STSpeakerSafeTM protection circuitry
– Pre- and post-processing DC blocking
Embedded RMS meter for measuring real-time
filters
loudness
– Checksum engine for filter coefficients
Two analog outputs
– PWM fault self-diagnosis
– Selectable headphone / line out driver with
adjustable gain via external resistors
STCompressorTM dual-band DRC
– New F3XTM analog output
Table 1. Device summary
New fully programmable noise-gating function
Order code
Package
Packing
STA382BW
STA382BWTR
VQFN48
VQFN48
Tray
Tape and Reel
April 2012
Doc ID 022783 Rev 1
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
1/172
www.st.com
1


STMicroelectronics Electronic Components Datasheet

STA382BW Datasheet

2.1-channel high-efficiency digital audio system

No Preview Available !

STA382BW pdf
Contents
Contents
STA382BW
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
1.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2 Pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.1 Connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
t(s)3 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
c3.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
du3.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
ro3.3 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
P3.4 Electrical specifications for the digital section . . . . . . . . . . . . . . . . . . . . . 23
lete3.5 Electrical specifications for the power section . . . . . . . . . . . . . . . . . . . . . 24
o3.6 Electrical specifications for the analog section . . . . . . . . . . . . . . . . . . . . . 25
Obs4 Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
) -4.1 Processing data path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
t(s4.2 Input oversampling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
uc4.3 STCompressorTM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
rod4.3.1 STC block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
P4.3.2 Band splitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
te 4.3.3 Level meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
le 4.3.4 Mapper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
so 4.3.5 Attenuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Ob 4.3.6 Dynamic attack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
4.3.7 Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4.3.8 Stereo link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4.3.9 Programming of coefficients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.3.10 Memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
5 I2C bus specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.1 Communication protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.1.1 Data transition or change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
2/172
Doc ID 022783 Rev 1


Part Number STA382BW
Description 2.1-channel high-efficiency digital audio system
Maker STMicroelectronics
Total Page 30 Pages
PDF Download
STA382BW pdf
Download PDF File
[partsNo] view html
View PDF for Mobile






Related Datasheet

1 STA382BW 2.1-channel high-efficiency digital audio system STMicroelectronics
STMicroelectronics
STA382BW pdf






Part Number Start With

0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z

site map

webmaste! click here

contact us

Buy Components