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Part Name(s) : YDA144 YDA144-QZ YDA144-WZ Yamaha
Yamaha Corporation
Description : STEREO 2.1W NON-CLIP DIGITAL AUDIO POWER AMPLIFIER View

■ Overview
YDA144 (D-4N) is a DIGITAL AUDIO POWER AMPLIFIER IC with maximum output of 2.1W (RL=4Ω)×2ch. YDA144 has a “Pure Pulse Direct Speaker Drive Circuit” which directly drives speakers while reducing distortion of pulse output signal and reducing noise on the signal, and realizes the highest standard low distortion rate characteristics and low noise characteristics among DIGITAL AMPLIFIER ICs for mobile use.
In addition, circuit design with fewer external parts can be made depend on the condition of use because corresponds to filter less.
The YDA144 features Yamaha original NON-CLIP output control function which detects output signal clip due to the over level input signal and suppress the output signal clip automatically. Also the NON-CLIP output control function can adapt the output clip caused by POWER supply voltage down with battery. This is the difference from the traditional AGC (Auto Gain Control) or ALC (Auto Level Control) circuit. Attack time and release time can be freely set by external resistances or capacitances.

■ Features
• Maximum output
   2.1 W×2ch (VDDP=VDDA=5.0V, RL=4Ω, THD+N=10%)
   0.75 W×2ch (VDDP=VDDA=3.6V, RL=8Ω, THD+N=10%)
• Distortion Rate (THD+N)
   0.03 % (VDDP=VDDA=3.6V, RL=8Ω, Po=0.4W, 1kHz)
• Residual Noise
   40µVrms (VDDP=VDDA=3.6V, Av=12dB)
• Efficiency
   84 % (VDDP=VDDA=3.6V, RL=8Ω, Po=600mW)
   78 % (VDDP=VDDA=3.6V, RL=8Ω, Po=100mW)
• S/N Ratio
   95dB (VDDP=VDDA=3.6V, Av=12dB)
• Channel separation
   95dB (VDDP=VDDA=3.6V, RL=8Ω, Av=18dB, 1kHz)
• Over-current Protection function
• Thermal Protection function
• Low voltage Malfunction Prevention function
• 2ch independent POWER-down control function
POWER-down High speed Recovery function
• Package
   Lead-free 16-ball WLCSP (YDA144-WZ)
   Lead-free 20-pin QFN (YDA144-QZ)

 

Part Name(s) : TAS5101 TAS5101DAP TAS5101DAPR TAS5101IDAP TAS5101IDAPR TI
Texas Instruments
Description : TRUE DIGITAL STEREO AUDIO AMPLIFIER WITH PWM STEREO POWER OUTPUT STAGE View

DESCRIPTION
The TAS5101 is a high-performance true DIGITAL STEREO AUDIO AMPLIFIER (TDAA) POWER Stage, designed to drive 2 × 15 watts per channel. The TAS5101 incorporates TI’s equibit technology and is used in conjunction with a DIGITAL AUDIO PWM processor (TAS50xx) to deliver high-POWER, true DIGITAL AUDIO amplification.

FEATURES
● 2 × 15 W High-Quality DIGITAL AMPLIFIER POWER Stage
● Single-Ended Output
● >95-dB Dynamic Range (TDAA System)
● THD+N < 0.1% (1 kHz, 1 W to 15 W RMS Into 4 Ω)
POWER Efficiency > 90% Into 4-Ω to 8-Ω Load
● Low Profile, SMD 32-Pin POWERPAD Package Requires No Heat-Sink When Using Recommended Layout
● 2 × 15-W RMS Continuous POWER Into 4 Ω
● Self-Protecting Design
● 3.3-V DIGITAL Interface
● EMI Compliant When Used With Recommended System Design

APPLICATIONS
DIGITAL TV AUDIO AMPLIFIER
● Car AUDIO AMPLIFIERs and Head Units

Part Name(s) : LM4780 LM4780TA National-Semiconductor
National ->Texas Instruments
Description : Overture? AUDIO POWER AMPLIFIER Series STEREO 60W, Mono 120W AUDIO POWER AMPLIFIER with Mute View

General Description
The LM4780 is a STEREO AUDIO AMPLIFIER capable of typically delivering 60W per channel of continuous average output POWER into an 8Ω load with less than 0.5% THD+N from 20Hz - 20kHz.

Features
■ SPiKe Protection
■ Low external component count
■ Quiet fade-in/out mute mode
■ Wide supply range: 20V - 84V
■ Signal-to-Noise Ratio ≥ 97dB (ref. to PO = 1W)

Applications
AUDIO AMPLIFIER for component STEREO
AUDIO AMPLIFIER for compact STEREO
AUDIO AMPLIFIER for self-POWERed speakers
AUDIO AMPLIFIER for high-end and HD TVs

Part Name(s) : TAS5709 TAS5709A TAS5709AGPHP TAS5709AGPHPR TAS5709APHP TAS5709APHPR TAS5709PHP TAS5709PHPG4 TAS5709PHPR TAS5709PHPRG4 TI
Texas Instruments
Description : 20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC View

DESCRIPTION
The TAS5709 is a 20-W, efficient, DIGITAL AUDIO POWER AMPLIFIER for driving STEREO bridge-tied speakers. One serial data input allows processing of up to two discrete AUDIO channels and seamless integration to most DIGITAL AUDIO processors and MPEG decoders. The device accepts a wide range of input data and data rates. A fully programmable data path routes these channels to the internal speaker drivers.

 


Part Name(s) : DAC3101 TLV320DAC3101 TLV320DAC3101IRHBR TLV320DAC3101IRHBT TI
Texas Instruments
Description : Low-POWER STEREO AUDIO DAC With AUDIO Processing and STEREO Class-D Speaker AMPLIFIER View

Description
The TLV320DAC3101 is a low-POWER, highly integrated, high-performance DAC with selectable DIGITAL AUDIO processing blocks and 24-bit STEREO playback.
The device integrates headphone drivers and speaker drivers. The TLV320DAC3101 has a suite of built-in processing blocks for DIGITAL AUDIO processing. The DIGITAL AUDIO data format is programmable to work with popular AUDIO standard protocols (I2S, left/right-justified) in master, slave, DSP, and TDM modes. Bass boost, treble, or EQ can be supported by the programmable DIGITAL signal-processing block. An on-chip PLL provides the high-speed clock needed by the DIGITAL signal-processing block. The volume level can be controlled by either pin control or by register control. The AUDIO functions are controlled using the I2C serial bus.
The TLV320DAC3101 has a programmable DIGITAL sine-wave generator and is available in a 32-pin QFN package.

Features
STEREO AUDIO DAC With 95-dB SNR
• Supports 8-kHz to 192-kHz Sample Rates
STEREO 1.29-W Class-D BTL 8-Ω Speaker Driver With Direct Battery Connection
• 25 Built-In Processing Blocks (PRB_P1 – PRB_P25) Providing Biquad Filters, DRC, and 3D
DIGITAL Sine-Wave Generator for Beeps and Key-Clicks (PRB_P25)
• User-Programmable Biquad and FIR Filters
• Two Single-Ended Inputs With Mixing and Output Level Control
STEREO Headphone/Lineout and Class-D Speaker Outputs Available
• Microphone Bias
• Headphone Detection
DIGITAL Mixing Capability
• Pin Control or Register Control for DIGITAL-Playback Volume-Control Settings
• Programmable PLL for Flexible Clock Generation
• I2S, Left-Justified, Right-Justified, DSP, and TDM AUDIO Interfaces
• I2C Control With Register Auto-Increment
• Full POWER-Down Control
POWER Supplies:
   – Analog: 2.7 V–3.6 V
   – DIGITAL Core: 1.65 V–1.95 V
   – DIGITAL I/O: 1.1 V–3.6 V
   – Class-D: 2.7 V–5.5 V (SPLVDD and SPRVDD ≥ AVDD)
• 5-mm × 5-mm 32-QFN Package

Applications
• Portable AUDIO Devices
• Mobile Internet Devices
• e-Books

Part Name(s) : TA2024 Unspecified2
Unspecified
Description : STEREO 10W (4?) Class-T? DIGITAL AUDIO AMPLIFIER using DIGITAL POWER Processing? Technology View

[TRIPATH TECHNOLOGY, INC.]

General Description
The TA2024 is a 10W/ch continuous average two-channel Class-T DIGITAL AUDIO POWER AMPLIFIER IC using Tripath’s proprietary DIGITAL POWER Processing™ technology. Class-T AMPLIFIERs offer both the AUDIO fidelity of Class-AB and the POWER efficiency of Class-D AMPLIFIERs.

 

Part Name(s) : TA2024B Unspecified2
Unspecified
Description : STEREO 15W (4?) CLASS-T? DIGITAL AUDIO AMPLIFIER USING DIGITAL POWER PROCESSING? TECHNOLOGY View

[TRIPATH TECHNOLOGY, INC]


GENERAL DESCRIPTION
The TA2024B is a 15W/ch continuous average two-channel Class-T DIGITAL AUDIO POWER AMPLIFIER IC using Tripath’s proprietary DIGITAL POWER Processing™ technology. Class-T AMPLIFIERs offer both the AUDIO fidelity of Class-AB and the POWER efficiency of Class-D AMPLIFIERs.

Part Name(s) : TA2022 Unspecified1
Unspecified
Description : STEREO 90W (4?) CLASS-T? DIGITAL AUDIO AMPLIFIER DRIVER USING DIGITAL POWER PROCESSING (DPP?) TECHNOLOGY View

[TRIPATH TECHNOLOGY, INC]

GENERAL DESCRIPTION
The TA2022 is a 90W (4Ω) continuous average per channel Class-T DIGITAL AUDIO POWER AMPLIFIER IC using Tripath’s proprietary DIGITAL POWER Processing (DPP™) technology. Class-T AMPLIFIERs offer both the AUDIO fidelity of Class-AB and the POWER efficiency of Class-D AMPLIFIERs.

 

Part Name(s) : LM4732 LM4732TA National-Semiconductor
National ->Texas Instruments
Description : STEREO 50W AUDIO POWER AMPLIFIER with Mute View

General Description
The LM4732 is a STEREO AUDIO AMPLIFIER capable of typically delivering 50W per channel of continuous average output POWER into a 4Ω or 8Ω load with less than 10% THD+N from 20Hz - 20kHz.
The LM4732 has short circuit protection and a thermal shut down feature that is activated when the die temperature exceeds 150˚C. The LM4732 also has an under voltage lock out feature for click and pop free POWER on and off.
Each AMPLIFIER of the LM4732 has an independent smooth transition fade-in/out mute.

Features
■ Low external component count
■ Quiet fade-in/out mute mode
■ Wide supply range: 20V - 80V

Applications
AUDIO AMPLIFIER for component STEREO
AUDIO AMPLIFIER for compact STEREO
AUDIO AMPLIFIER for self-POWERed speakers
AUDIO AMPLIFIER for high-end and HD TVs

 

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