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STA538

STMicroelectronics
Part Number STA538
Manufacturer STMicroelectronics
Description 2 x 1.3 W class-D amplifier
Published May 25, 2014
Detailed Description STA538 2 x 1.3 W class-D amplifier with analog or digital input 2.0 multichannel digital audio processor with FFX Featur...
Datasheet PDF File STA538 PDF File

STA538
STA538

Overview
STA538 2 x 1.
3 W class-D amplifier with analog or digital input 2.
0 multichannel digital audio processor with FFX Features ■ ■ ■ ■ ■ ■ ■ Up to 96 dB dynamic range Sample rates from 8 kHz to 192 kHz FFXTM class-D driver 1.
5 V to 1.
95 V digital power supply 1.
5 V to 3.
6 V analog power supply 18-bit audio processing and class-D FFXTM modulator Digital volume control: – +36 dB to 105 dB in 0.
5 dB steps – Software volume update Individual channel and master gain/attenuation Automatic invalid input detect mute 2-channel I2S input/output data interface Digitally controlled POP-free operation Input and output channel mapping 250 mΩ output CMOS Rdson > 90% efficiency 2 x 1.
3 W (10% THD) on 4 Ω at 3.
6 V 2 x 0.
7 W (10% THD) on 8 Ω at 3.
3 V Stereo headphone plus mono speaker application: – 50 mW stereo into 32 Ω headphone, 1.
2 W mono into 4 Ω speaker at 3.
3 V – 100 mW stereo into 16 Ω headphone, 1.
2 W mono into 4 Ω speaker at 3.
3 V VFQFPN52 TFBGA48 ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Order codes Part number STA538B STA538Q Package TFBGA48 (tube) VFQFPN52 (tube) January 2007 Rev 1 1/59 www.
st.
com 1 http://www.
Datasheet4U.
com Contents STA538 Contents 1 2 Introduction .
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5 Connection diagrams and pin descriptions .
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6 2.
1 TFBGA48 package .
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6 2.
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1 2.
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2 2.
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3 Connection diagram .
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6 Pin description .
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7 Thermal data .
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8 2.
2 VFQFPN52 package .
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9 2.
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1 2.
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2 Connection diagram .
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