Class-D Audio Power Amplifier ADAU1592 Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsi
ADAU1592 Rev. A | Page 10 of 24 06749-011OUTPUT POWER (W)THD OR THD + N (dB)–1200–10–20–110–100–90–80–70–60–50–40–3010m 10100m 1THD + NTHD Figure 1
ADAU1592 Rev. A | Page 11 of 24 06749-017FREQUENCY (kHz)OUTPUT (dBr)0–1600–150–140–130–120–110–100–90–80–70–60–50–40–30–20–102204 6 8 10121416180dB
ADAU1592 Rev. A | Page 12 of 24 06749-023FREQUENCY (Hz)THD OR THD + N (dB)–1200–110–100–90–80–70–60–50–40–20–10–3020 10k100 1kTHD + NTHD Figure 23.
ADAU1592 Rev. A | Page 13 of 24 01020304050607080900 5 10 15 20 25 30EFFICIENCY (%)06749-029OUTPUT POWER (W)POWER LIMITED DUE TO PACKAGE DISSIPATIO
ADAU1592 Rev. A | Page 14 of 24 06749-038PVDD (V)OUTPUT POWER (W)030255101520911211 1413 1615810 174Ω3Ω8Ω6ΩPOWER LIMITED DUE TO PACKAGE DISSIPATION
ADAU1592 Rev. A | Page 15 of 24 .0THEORY OF OPERATIONOVERVIEW The ADAU1592 is a 2-channel, high performance switching audio power amplifier. Each o
ADAU1592 Rev. A | Page 16 of 24 06749-043VCMSLICER_LEVEL50kΩVTHPIN 24 (SLC_TH)REXTERNAL Figure 43. Block for Slicer Threshold Adjust, SLC_TH The sl
ADAU1592 Rev. A | Page 17 of 24 on the outputs after the LC filter. Typical short-circuit condi-tions include shorting of the output load and short
ADAU1592 Rev. A | Page 18 of 24 POWER-UP/POWER-DOWN SEQUENCE Figure 46 shows the recommended power-up sequence for the ADAU1592. 06749-046AVDD/DVDD
ADAU1592 Rev. A | Page 19 of 24 To shut down the power supplies to save power, it is highly recommended to mute the amplifier before shutting down
ADAU1592 Rev. A | Page 2 of 24 TABLE OF CONTENTS Features ...
ADAU1592 Rev. A | Page 20 of 24 capacitors must be placed very close to their respective pins with direct connection. This is important for reliabl
ADAU1592 Rev. A | Page 21 of 24 APPLICATIONS INFORMATION For applications with PVDD > 15 V, add components R1 and R2 (10 typical), C5 and C6 (
ADAU1592 Rev. A | Page 22 of 24 For applications with PVDD > 15 V, add components R1 (10 typical), C5 (680 pF typical), and D1 through D4 (CRS
ADAU1592 Rev. A | Page 23 of 24 OUTLINE DIMENSIONS PIN 1INDICATORTOPVIEW6.75BSC SQ7.00BSC SQ1481213373624255.255.10 SQ4.950.500.400.300.300.230.180
ADAU1592 Rev. A | Page 24 of 24 NOTES ©2007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of t
ADAU1592 Rev. A | Page 3 of 24 SPECIFICATIONS AVDD = 3.3 V, DVDD = 3.3 V, PVDD = 15 V, ambient temperature = 25°C, load impedance = 6 , clock freq
ADAU1592 Rev. A | Page 4 of 24 DC SPECIFICATIONS Table 2. Parameter Min Typ Max Unit Test Conditions/Comments INPUT IMPEDANCE 20 kΩ AINL/AI
ADAU1592 Rev. A | Page 5 of 24 DIGITAL TIMING Table 5. Parameter Min Typ Unit Test Conditions/Comments tWAIT 0.01110002ms Wait time for unmute tI
ADAU1592 Rev. A | Page 6 of 24 ABSOLUTE MAXIMUM RATINGS Table 6. Parameter Rating DVDD to DGND −0.3 V to +3.6 V AVDD to AGND −0.3 V to +3.6 V
ADAU1592 Rev. A | Page 7 of 24 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS 06749-004131415161718192021222324PGA1PGA0MUTESTDNXTIXTODGNDDVDDAVDDAGNDV
ADAU1592 Rev. A | Page 8 of 24 Pin Number Mnemonic Type1Description 34, 35, 36 OUTR− O Output of High Power Transistors, Right Channel Negativ
ADAU1592 Rev. A | Page 9 of 24 TYPICAL PERFORMANCE CHARACTERISTICS 06749-005OUTPUT POWER (W)THD OR THD + N (dB)–1200–10–20–110–100–90–80–70–60–50–4
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