Datasheet > EVAL-AD1992EB

EVAL-AD1992EB

更新时间： 2024-11-27 05:20:43

品牌	Logo	应用领域
亚德诺 - ADI		开关放大器
页数	文件大小	规格书
20页	442K
描述
Audio Switching Amplifier

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中文翻译

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数据手册

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EVAL-AD1992EB 数据手册

Audio Switching Amplifier

AD1992

FEATURES

GENERAL DESCRIPTION

Integrated stereo modulator and power stage

<0.002% THD + N

102 dB dynamic range (A-weighted)

2 × 10 W output power (4 Ω, <0.01% THD + N)

R_DS-ON< 0.3 Ω (per transistor)

PSRR > 65 dB

On-off-mute pop noise suppression

EMI optimized modulator

Short-circuit protection

The AD1992 is a 2-channel, bridge tied load (BTL), switching

audio power amplifier with integrated Σ-Δ modulator. The

modulator accepts a single-ended, analog input signal and

converts it to a switching waveform to drive speakers directly. A

digital, microprocessor-compatible interface provides control of

reset, mute, and PGA gain, as well as feedback signals for thermal

and overcurrent error conditions. The output stage can operate

over a power supply voltages range of 8 V to 20 V. The analog

modulator and digital logic operate from a 5 V supply.

Overtemperature protection

Low cost DMOS process

APPLICATIONS

Advanced televisions

Compact multimedia systems

Minicomponents

FUNCTIONAL BLOCK DIAGRAM

FEEDBACK

NETWORK

PGA1

PGA0

AD1992

OUTL+

AINL

Σ-Δ

MODULATOR

PGA

LEVEL

SHIFTER

AND

DEAD TIME

CONTROL

OUTL–

OUTR+

H-BRIDGE

AINR

Σ-Δ

MODULATOR

PGA

CLKI

MODE CONTROL

LOGIC AND

OSCILLATOR

POP/CLICK

CLKO

SUPPRESSION

REF_FILT

OUTR–

VOLTAGE

REFERENCE

AGND

PGND

FEEDBACK

NETWORK

Figure 1.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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中文翻译

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