STA350BWTR
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STMicroelectronics STA350BWTR

Manufacturer No:
STA350BWTR
Manufacturer:
STMicroelectronics
Package:
Tape & Reel (TR)
Description:
IC FULLY INTEG PROC POWERSSO-36
Delivery:
Payment:
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Product Introduction

Overview

The STA350BWTR from STMicroelectronics is an integrated digital audio system that combines digital audio processing, digital amplifier control, and an FFX-power output stage. This single-chip solution offers high-quality, high-efficiency, and all-digital amplification, making it a versatile component for various audio applications. The STA350BWTR is part of the Sound Terminal® family, known for providing full digital audio streaming to speakers, ensuring cost effectiveness, low power dissipation, and enhanced sound quality.

Key Specifications

Parameter Specification
Supply Voltage (Operating Range) 5 V to 26 V
Supply Voltage (Absolute Maximum Rating) 30 V
Power Output Configurations
  • 2 channels of ternary PWM (stereo mode): 2 x 50 W into 6 Ω at 25 V
  • 3 channels - left, right using binary and LFE using ternary PWM (2.1 mode): 2 x 18 W + 1 x 40 W into 2 x 4 Ω, 1 x 8 Ω at 25 V
  • 2 channels of ternary PWM (2 x 50 W) + stereo lineout ternary
  • 1 channel of ternary PWM as mono-BTL: 1 x 90 W into 3 Ω at 24.5 V
Input Sample Rates Selectable 32 to 192 kHz
I2C Control Selectable device address
SNR and Dynamic Range FFX™ 100 dB
Internal Processing Sample Rate 96 kHz with quantization error noise shaping
Package PowerSSO-36
Operating Temperature -40°C to 85°C
RoHS Compliance Ecopack2

Key Features

  • Wide-range supply voltage: 5 V to 26 V (operating range), 30 V (absolute maximum rating)
  • Four power output configurations:
    • 2 channels of ternary PWM (stereo mode)
    • 3 channels - left, right using binary and LFE using ternary PWM (2.1 mode)
    • 2 channels of ternary PWM + stereo lineout ternary
    • 1 channel of ternary PWM as mono-BTL
  • FFX™ 100 dB SNR and dynamic range
  • Selectable 32 to 192 kHz input sample rates
  • I2C control with selectable device address
  • Digital gain/attenuation +42 dB to -80 dB with 0.125 dB/step resolution
  • Individual channel and master gain/attenuation
  • Two independent DRCs configurable as a dual-band anti-clipper or independent limiters/compressors
  • Dedicated LFE processing for bass boosting with 0.125 dB/step resolution
  • Audio presets: 15 preset crossover filters, 5 preset anti-clipping modes, preset nighttime listening mode
  • Individual channel and master soft/hard mute
  • Independent channel volume and DSP bypass
  • Automatic zero-detect mute and automatic invalid input-detect mute
  • I2S input data interface and input/output channel mapping
  • Up to 8 user-programmable biquads per channel
  • Extended coefficient dynamic up to -4..4 for easy implementation of high shelf filters
  • Bass/treble tones and de-emphasis control
  • Selectable high-pass filter for DC blocking
  • Advanced AM interference frequency switching and noise suppression modes
  • Selectable high or low bandwidth noise-shaping topologies
  • Thermal overload and short-circuit protection embedded

Applications

The STA350BWTR is suitable for a variety of audio applications, including:

  • Home audio systems
  • Automotive audio systems
  • Consumer electronics such as soundbars and home theaters
  • Professional audio equipment
  • Video applications supporting 576 x Fs input mode

Q & A

  1. What is the operating supply voltage range of the STA350BWTR?

    The operating supply voltage range is 5 V to 26 V, with an absolute maximum rating of 30 V.

  2. What are the different power output configurations of the STA350BWTR?

    The STA350BWTR can be configured in four different power output modes: 2 channels of ternary PWM (stereo mode), 3 channels (2.1 mode), 2 channels of ternary PWM + stereo lineout ternary, and 1 channel of ternary PWM as mono-BTL.

  3. What is the SNR and dynamic range of the STA350BWTR?

    The STA350BWTR features an FFX™ 100 dB SNR and dynamic range.

  4. What input sample rates are supported by the STA350BWTR?

    The STA350BWTR supports selectable input sample rates from 32 to 192 kHz.

  5. Does the STA350BWTR support I2C control?

    Yes, the STA350BWTR supports I2C control with a selectable device address.

  6. What kind of digital signal processing features does the STA350BWTR offer?

    The STA350BWTR offers various digital signal processing features, including up to 8 user-programmable biquads per channel, dedicated LFE processing, and audio presets for crossover filters, anti-clipping modes, and nighttime listening.

  7. Is the STA350BWTR protected against thermal overload and short-circuits?

    Yes, the STA350BWTR has embedded thermal overload and short-circuit protection.

  8. What is the package type of the STA350BWTR?

    The STA350BWTR is packaged in a PowerSSO-36 package.

  9. Is the STA350BWTR RoHS compliant?

    Yes, the STA350BWTR is RoHS compliant with an Ecopack2 grade.

  10. What is the operating temperature range of the STA350BWTR?

    The operating temperature range is -40°C to 85°C.

Product Attributes

Function:Fully Integrated Processor
Applications:Pre-Amplifier
Number of Channels:2
Interface:I²C, I²S
Voltage - Supply:5V ~ 26V
Operating Temperature:-20°C ~ 85°C (TA)
Specifications:Full Flexible Amplification
Mounting Type:Surface Mount
Package / Case:36-BFSOP (0.295", 7.50mm Width) Exposed Pad
Supplier Device Package:PowerSSO-36
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Same Series
STA350BWTR
STA350BWTR
IC FULLY INTEG PROC POWERSSO-36

Similar Products

Part Number STA350BWTR STA350BTR
Manufacturer STMicroelectronics STMicroelectronics
Product Status Active Active
Function Fully Integrated Processor Fully Integrated Processor
Applications Pre-Amplifier Pre-Amplifier
Number of Channels 2 2
Interface I²C, I²S I²C, I²S
Voltage - Supply 5V ~ 26V 5V ~ 26V
Operating Temperature -20°C ~ 85°C (TA) -20°C ~ 85°C (TA)
Specifications Full Flexible Amplification Full Flexible Amplification
Mounting Type Surface Mount Surface Mount
Package / Case 36-BFSOP (0.295", 7.50mm Width) Exposed Pad 36-PowerFSOP (0.295", 7.50mm Width)
Supplier Device Package PowerSSO-36 PowerSSO-36 EPU

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