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AD1994

Features: Integrated Stereo Modulator & Power Stage 0.005% THD+N 101.5dB Dynamic Range PSRR > 65 dB RDS-ON < 0.3 Ω (per transistor) Efficiency > 80% @ 5W/6 Ω EMI Optimized Modulator On-Off-Mute Pop Noise Suppression Short Circuit Protection Over-Temperature Protection L...

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SeekIC No. : 004268638 Detail

AD1994: Features: Integrated Stereo Modulator & Power Stage 0.005% THD+N 101.5dB Dynamic Range PSRR > 65 dB RDS-ON < 0.3 Ω (per transistor) Efficiency > 80% @ 5W/6 Ω EMI Optimize...

AD1994 Data Sheet

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Part Number:
AD1994
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/25

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Product Details

Description



Features:

Integrated Stereo  Modulator & Power Stage
  0.005% THD+N
  101.5dB Dynamic Range 
  PSRR > 65 dB
  RDS-ON < 0.3 Ω (per transistor)
Efficiency > 80% @ 5W/6 Ω
EMI Optimized Modulator
On-Off-Mute Pop Noise Suppression
Short Circuit Protection
Over-Temperature Protection
Low Cost DMOS Process


Application

Flat Panel Televisions 
Automotive Amplifiers 
PC Audio Systems
Mini Components


Pinout

Connection Diagram


Specifications

AVDD, DVDD to AGND, DGND                                             -0.3 V to +6.5 V
PVDDX to PGND                                                             -0.3 V to +30.0 V2
AGND to DGND to PGND                                                    -0.3 V to +0.3 V
AVDD, to DVDD                                                                 -0.5 V to +0.5 V
Audio Inputs  AGND to AVDD
Operating Temperature Range                                     40°C to +85°C
Storage Temperature Range                                      65°C to +150°C
Maximum Junction Temperature                                                     150°C
JC Thermal Impedance (LFCSP)                                                    3°C/W
JC Thermal Impedance (PSOP)                                                     1°C/W
Lead Temperature Soldering (10 sec)                                            260°C
Vapor Phase (60 sec)                                                                     215°C
Infrared (15 sec)                                                                            220°C


Description

    The AD199x is a two channel Bridge Tied Load (BTL) switching audio power amplifier with integrated ∆ modulator. The modulator accepts a 1Vrms input signal (maximum power) and generates a switching waveform to drive speakers directly.

    One of the two modulators AD1994 can control both output stages providing twice the current for single-channel applications. A digital, microcontroller-compatible interface provides control of reset, mute and PGA gain as well as output signals for thermal and over-current error conditions. The output stage can operate from supply voltages ranging from 8V to 20V. The analog modulator and digital logic operate from a 5V supply. 




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