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AD1990

Features: Integrated Stereo Modulator & Power Stage0.005% 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 C...

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SeekIC No. : 004268625 Detail

AD1990: Features: Integrated Stereo Modulator & Power Stage0.005% THD+N 101.5dB Dynamic Range PSRR > 65 dB RDS-ON < 0.3 Ω (per transistor) Efficiency > 80% @ 5W/6 Ω EMI Optimized Mo...

AD1990 Data Sheet

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Part Number:
AD1990
Supply Ability:
5000

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

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Upload time: 2024/11/24

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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

Output Power (W) 5W
Efficiency (%) 84%
Dynamic Range (dB) 102dB
SNR (dB) 102dB
THD+N (dB) -90dB
Pos Supply +8Vto+12V
Supply Current 30mA


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 TemperatureSoldering (10 sec) 260°C
Vapor Phase (60 sec) 215°C
Infrared (15 sec) 220°C




Description

The AD199x amplifiers, including the AD1990, AD1992, and AD1994, are single-chip devices containing an integrated stereo ? modulator and stereo "bridge-tied" load (BTL) power stage. The AD199x

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 AD1990 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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