ADAU1590ACPZ-RL Analog Devices Inc, ADAU1590ACPZ-RL Datasheet
ADAU1590ACPZ-RL
Specifications of ADAU1590ACPZ-RL
Related parts for ADAU1590ACPZ-RL
ADAU1590ACPZ-RL Summary of contents
Page 1
FEATURES Integrated stereo modulator and power stage 0.005% THD + N 101 dB dynamic range PSRR > < 0.3 Ω (per transistor) DS-ON Efficiency > 90% (8 Ω) EMI-optimized modulator On/off-mute pop-noise suppression Short-circuit protection Overtemperature protection APPLICATIONS ...
Page 2
ADAU1590 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Audio Performance ...................................................................... 3 DC Specifications ......................................................................... 4 Power Supplies .............................................................................. 4 Digital I/O ..................................................................................... 4 ...
Page 3
SPECIFICATIONS AVDD = DVDD = 3.3 V, PVDD = 12 V, ambient temperature = 25°C, load impedance = 6 Ω, clock frequency = 24.576 MHz, measurement bandwidth = kHz, unless otherwise noted. AUDIO PERFORMANCE Table 1. ...
Page 4
ADAU1590 DC SPECIFICATIONS Table 2. Parameter INPUT IMPEDANCE OUTPUT DC OFFSET VOLTAGE POWER SUPPLIES Table 3. Parameter ANALOG SUPPLY VOLTAGE (AVDD) DIGITAL SUPPLY VOLTAGE (DVDD) POWER TRANSISTOR SUPPLY VOLTAGE (PVDD) POWER-DOWN CURRENT AVDD DVDD PVDD MUTE CURRENT AVDD DVDD PVDD ...
Page 5
DIGITAL TIMING Table 5. Parameter Min Typ t 0.01 1 1000 WAIT t 650 INT 250 HOLD t 200 OUTx+/OUTx− 200 OUTx+/OUTx− MUTE 1 t and t are the minimum times for fast turn-on and ...
Page 6
ADAU1590 ABSOLUTE MAXIMUM RATINGS Table 6. Parameter Rating DVDD to DGND −0 +3.6 V AVDD to AGND −0 +3 PVDD to PGND −0 +20.0 V MUTE/STDN Inputs DGND − 0 ...
Page 7
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 8. Pin Function Descriptions Pin. Number Mnemonic Type OUTL− OUTL TEST1 I 8 TEST0 I 9 ERR O 10 OTW O 11 MO/ ...
Page 8
ADAU1590 Pin. Number Mnemonic Type 34, 35, 36 OUTR− O 37, 38, 47, 48 PGND P 39, 40, 41, 42, PVDD P 43, 44, 45 input output power. 1 Description Output of ...
Page 9
TYPICAL PERFORMANCE CHARACTERISTICS –20 –30 –40 –50 –60 THD + N –70 –80 –90 THD –100 –110 –120 10m 100m OUTPUT POWER (W) Figure 5. THD or THD + N vs. Output Power, 4 Ω, PVDD = 9 V –20 ...
Page 10
ADAU1590 25 POWER LIMITED DUE TO PACKAGE DISSIPATION PVDD (V) Figure 11. Output Power vs. PVDD @ 0.1% THD + N 25 POWER LIMITED DUE TO PACKAGE DISSIPATION ...
Page 11
FREQUENCY (kHz) Figure 17. FFT @ Ω, PVDD = 12 V, PGA ...
Page 12
ADAU1590 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1.0 –1.2 –1.4 –1.6 –1.8 –2.0 20 100 1k FREQUENCY (Hz) Figure 23. Frequency Response @ Ω, PVDD = 12 V, ...
Page 13
POWER LIMITED DUE TO PACKAGE DISSIPATION PER CHANNEL STEREO MODE OUT Figure 29. Power Dissipation vs. Output Power Ω, Stereo Mode, Both ...
Page 14
ADAU1590 PVDD (V) Figure 35. Output Power vs. PVDD, Mono Mode, THD + ...
Page 15
THEORY OF OPERATION OVERVIEW The ADAU1590 is a 2-channel high performance switching audio power amplifier. Each of the two Σ-Δ modulators converts a single-ended analog input into a 2-level PDM output. This PDM pulse stream is output from the internal ...
Page 16
ADAU1590 V CM 50kΩ SLICER_LEVEL V TH PIN 24 (SLC_TH) R EXTERNAL Figure 40. Block for Slicer Threshold Adjust, SLC_TH The slicer threshold can be set externally using a resistor as follows (AVDD/2) × (50 kΩ/50 kΩ + ...
Page 17
LC filter. Typical short-circuit condi- tions include shorting of the output load, and shorting to either PVDD or PGND. UNDERVOLTAGE PROTECTION The ADAU1590 is also comprised of an undervoltage protec- tion circuit, which senses the ...
Page 18
ADAU1590 POWER-UP/POWER-DOWN SEQUENCE Figure 43 shows the recommended power-up sequence for the ADAU1590. AVDD/DVDD PVDD STDN t INT INTERNAL MUTE t WAIT MUTE PVDD/2 OUTx+/OUTx– AVDD/2 AINx t = 650ms @ 24.576MHz CLOCK INT t = 200µs PDL ...
Page 19
To shut down the power supplies highly recommended to mute the amplifier before shutting down any of the supplies. After MUTE is shut down, shut down the supplies in the follow- ing order: PVDD, DVDD, then AVDD. Where ...
Page 20
ADAU1590 must be placed very close to the respective pins with direct connection. This is important for reliable and safe operation of the device. One additional 1 μF capacitor in parallel to the 100 nF capacitor is also recommended. A ...
Page 21
APPLICATIONS INFORMATION 2.2µF ANALOG INPUT LEFT 100kΩ R3 4.7µF 100nF 2.2µF ANALOG INPUT RIGHT 100kΩ SYSTEM LOGIC MICROCONTROLLER Table 11. R3—Slicer Threshold Resistor V (V) R3 (kΩ) TH 1.1 24.9 1.17 20.5 1.24 16.5 1.32 12.4 3.3V 100nF 100nF 100nF ...
Page 22
ADAU1590 2.2µF ANALOG INPUT LEFT 100kΩ R3 4.7µF 100nF 2.2µF ANALOG INPUT RIGHT 100kΩ SYSTEM LOGIC MICROCONTROLLER For component values, refer to the stereo application circuit in Figure 46. 3.3V 100nF 100nF 100nF 100nF AINL SLC_TH VREF ADAU1590 AINR STDN ...
Page 23
... COPLANARITY VIEW A ROTATED 90 ° CCW ORDERING GUIDE Temperature Model Range ADAU1590ACPZ 1 −40°C to +85°C 1 ADAU1590ACPZ-RL −40°C to +85°C ADAU1590ACPZ-RL7 1 −40°C to +85°C 1 ADAU1590ASVZ −40°C to +85°C 1 ADAU1590ASVZ-RL −40°C to +85°C 1 ADAU1590ASVZRL7 −40°C to +85° RoHS Compliant Part. ...
Page 24
ADAU1590 NOTES ©2007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D06673-0-5/07(0) Rev Page ...