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Vedi Specifiche Tecniche

STA333ML +BOM

Audio Amplifiers

Produttore:

STMicroelectronics, Inc
ProduttorePart #:

STA333ML
Scheda dati:

STA333ML Scheda dati (PDF)
Series:

STA333M
Product:

Audio Subsystems
Class:

Class-D
Output Power:

20 W
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per STA333ML

STA333ML Descrizione generale

The STA333ML is a single die embedding digital audio processing and high-efficiency power amplification, capable of operating without the aid of an external microcontroller. The STA333ML is part of the Sound Terminal®family that provides full digital audio streaming to the speakers and offers cost effectiveness, low power dissipation and sound enrichment. The STA333ML combines a unique 24-bit DDX®digital class-D ternary modulator together with an extremely low RdsONstereo power DMOS stage. The latter is capable of a total output power of 2 x 20 W with outstanding performance in terms of efficiency (>90%), THD, SNR and EMI. The microless feature allows its use in low-cost applications (cradles, digital speakers, audio terminals) where no microcontroller is needed. The serial audio data interface accepts the universally used I2S format. Basic features, such as the oversampling clock, gain, and I2S format, can be set using a minimal number of selection pins. The STA333ML is self-protected against thermal overload, overcurrent, short-circuit and overvoltage conditions. The fault condition is also signalled on an external pin (INT_LINE) for specific requirements.

Caratteristiche principali

Wide supply voltage range (4.5 - 20 V)
2 x 20 W into 8 Ω at VCC= 18 V
PowerSSO-36 exposed pad package
2 channels of 24-bit DDX®
100-dB SNR and dynamic range
Selectable 32 kHz to 48 kHz input sample rates
Automatic zero-detect mute
Automatic invalid input detect mute
2-channel I2S input data interface
Selectable clock input ratio (256 or 364 * fs)
Max power correction for lower full power
96 kHz internal processing sample rate, 24-bit precision
Embedded thermal overload and short-circuit protection
Filterless configuration option
LCDs
DVDs
Cradles
Digital speakers
Wireless speaker cradles
LCDs
DVDs
Cradles
Digital speakers
Wireless speaker cradles

Specifiche

Product Category:	Audio Amplifiers	Series:	STA333M
Product:	Audio Subsystems	Class:	Class-D
Output Power:	20 W	Mounting Style:	SMD/SMT
Type:	2-Channel Stereo	Audio - Load Impedance:	8 Ohms
THD plus Noise:	0.05 %	Minimum Operating Temperature:	0 C
Maximum Operating Temperature:	+ 70 C	Packaging:	Tube
Description/Function:	Speaker	Dual Supply Voltage:	3.3 V, 5 V, 9 V, 12 V
Height:	2.4 mm	Input Type:	Single
Length:	10.5 mm	Maximum Dual Supply Voltage:	3.6 V, 18 V
Minimum Dual Supply Voltage:	2.7 V, 4.5 V	Number of Channels:	2 Channel
Operating Supply Current:	30 mA	Output Signal Type:	Differential
Product Type:	Audio Amplifiers	PSRR - Power Supply Rejection Ratio:	80 dB
Subcategory:	Audio ICs	Supply Current - Max:	50 mA
Supply Type:	Quad	Width:	7.6 mm

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