Datasheet > STA381BW

STA381BW

更新时间： 2024-09-21 11:59:03

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
171页	3292K
描述
Sound TerminalÂ® 2.1-channel high-efficiency digital audio system

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STA381BW 数据手册

STA381BW

Sound Terminal^®

2.1-channel high-efficiency digital audio system

Datasheet − production data

Features

■ Wide-range supply voltage

– 4.5 V to 26 V (operating range)

– 30 V (absolute maximum rating)

VQFN48 (7 x 7 mm)

■ Headphone

■ I C control with selectable device address

– Embedded negative charge pump

– Full capless output configuration

■ Embedded full IC protection

– Manufacturing short-circuit protection (out

vs. gnd, out vs. vcc, out vs. out)

– Thermal protection

– Driving load capabilities: 40 mW into 32 Ω

■ Line out

– 2 Vrms line output capability

– Overcurrent protection

– Undervoltage protection

■ Up to 12 user-programmable biquads with

noise-shaping technology

■ 1 Vrms stereo analog input

■ Direct access to coefficients through I C

■ I S interface, sampling rate 32 kHz ~ 192 kHz,

shadowing mechanism

with internal sampling frequency converter for

fixed processing frequency

■ Fixed (88.2 kHz / 96 kHz) internal processing

sampling rate

■ Three output power stage configurations

■ Two independent DRCs configurable as a

– 2.0 mode, L/R full bridges

– 2.1 mode, L/R two half-bridges, subwoofer

full bridge

– 2.1 mode, L/R full bridges, PWM output for

external subwoofer amplifier

dual-band anticlipper or independent

limiters/compressors (B DRC)

■ Digital gain/att +48 dB to -80 dB with

0.125 dB/step resolution

■ Independent (fade-in, fade-out) soft volume

■ Driving load capabilities

update with programmable rate 48 ~ 1.5 dB/ms

– 2 x 20 W into 8 Ω ternary modulation

– 2 x 9 W into 4 Ω + 1 x 20 W into 8 Ω

■ Bass/treble tones control

■ Audio presets: 15 crossover filters,

■ FFX 100 dB dynamic range

5 anticlipping modes, nighttime listening mode

■ Fixed output PWM frequency at any input

■ STSpeakerSafe protection circuitry

sampling frequency

– Pre^-and post-processing DC blocking filters

– Checksum engine for filter coefficients

– PWM fault self-diagnosis

■ Embedded RMS meter for measuring real-time

loudness

■ Two analog outputs

■ STCompressor dual-band DRC

– Selectable headphone / line out driver with

adjustable gain via external resistors

Table 1.

Order code

STA381BW

STA381BWTR

Device summary

– New F3X analog output

Package

Packing

■ New fully programmable noise-gating function

VQFN48

Tray

Tape and Reel

August 2012

Doc ID 018835 Rev 7

1/171

This is information on a product in full production.

www.st.com

12 3 4 5 6 7...171

中文翻译

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与STA381BW相关器件

型号	品牌	获取价格	描述	数据表
STA381BWS	STMICROELECTRONICS	获取价格	Sound TerminalÂ® 2.1-channel high-efficiency
STA381BWTR	STMICROELECTRONICS	获取价格	Sound TerminalÂ® 2.1-channel high-efficiency
STA382BW	STMICROELECTRONICS	获取价格	Sound TerminalÂ® 2.1-channel high-efficiency
STA3KA102JE	SSDI	获取价格	3,000 WATTS PEAK PULSE POWER 13.6 - 800 VOLTS UNIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSOR
STA3KA102JER	SSDI	获取价格	Trans Voltage Suppressor Diode, 3000W, 82.6V V(RWM), Unidirectional, 1 Element, Silicon, T
STA3KA102JERTX	SSDI	获取价格	Trans Voltage Suppressor Diode
STA3KA102JETX	SSDI	获取价格	Trans Voltage Suppressor Diode
STA3KA124JE	SSDI	获取价格	3,000 WATTS PEAK PULSE POWER 13.6 - 800 VOLTS UNIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSOR
STA3KA124JERTX	SSDI	获取价格	Trans Voltage Suppressor Diode
STA3KA124JETX	SSDI	获取价格	Trans Voltage Suppressor Diode

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