AD1990ACPZ Analog Devices Inc, AD1990ACPZ Datasheet
AD1990ACPZ
Specifications of AD1990ACPZ
Related parts for AD1990ACPZ
AD1990ACPZ Summary of contents
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FEATURES Integrated stereo modulator and power stage <0.002% THD + N 101 dB dynamic range (A-weighted) 2 × output power (4 Ω, <0.01% THD + N) R < 0.3 Ω (per transistor) DS-ON PSRR > On-off-mute ...
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AD1990 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 5 ESD Caution.................................................................................. 5 Pin Configuration and Function Descriptions............................. 6 Typical Performance Characteristics ...
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SPECIFICATIONS Test conditions, unless otherwise specified. Table 1. Parameter SUPPLY VOLTAGES AMBIENT TEMPERATURE LOAD IMPEDANCE CLOCK FREQUENCY PGA GAIN MEASUREMENT BANDWIDTH Table 2. Parameter R DS-ON Per High-Side Transistor Per Low-Side Transistor MAXIMUM CURRENT ...
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AD1990 Table 5. Power Supplies Parameter ANALOG SUPPLY DIGITAL SUPPLY POWER TRANSISTOR SUPPLY RESET/POWER-DOWN CURRENT QUIESCENT CURRENT OPERATING CURRENT ...
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ABSOLUTE MAXIMUM RATINGS Table 8. Parameter AVDD, DVDD to AGND, DGND 1 PVDDx to PGNDx AGND to DGND to PGNDx AVDD, to DVDD Operating Temperature Range Storage Temperature Range Maximum Junction Temperature Thermal Resistance θ JA θ (at the Exposed ...
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AD1990 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS CONNECT Table 9. Pin Function Descriptions Pin No. Mnemonic In/Out PGND1 OUTL PVDD1 11, 12, 13 OUTL− O 14, ...
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Pin No. Mnemonic In/Out 52, 54, 59 AINR I 55 REF_FILT O 56 AGND 57 AVDD 58 MOD_FILT O 60 AINL O 62 NFL− NFL PGND1 Description No Connection—Should Be Left Floating. Analog ...
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AD1990 TYPICAL PERFORMANCE CHARACTERISTICS 0 –20 –40 –60 –80 –100 –120 –140 –160 FREQUENCY (kHz) Figure Output Power into 4 Ω Load 0 –20 –40 –60 –80 –100 –120 –140 ...
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FREQUENCY (Hz) Figure 10. IMD for 19 kHz/20 kHz Twin-Tone Stimulus with 500 mW Power in Each Tone 40 PGA GAIN = 18dB 35 30 PGA GAIN = 12dB ...
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AD1990 100 10 1 0.1 THD + N 0.01 THD 0.001 0.1 1 OUTPUT POWER (W) Figure 16. THD and THD + N vs. Output Power, 1 kHz Sine, 4 Ω Load, PVDD = 12 V 100 10 1 0.1 ...
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THEORY OF OPERATION OVERVIEW The AD1990 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 pulse stream that controls the differential, full H-bridge, power output stage. ...
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AD1990 Note that the amplifier is capable of dc-coupled operation if the circuit includes some means to account for this bias voltage Figure 22. AC-Coupled Input Signal Setting the Modulator Gain The AD1990 modulator uses a combination of ...
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POWER STAGE The H-Bridge The output stage of the AD1990 includes four integrated MOSFET devices arranged in a full H-bridge, as shown in Figure 23. The P-Type, high-side transistor of one leg and the N-Type, low-side transistor of the opposite ...
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AD1990 Using a Crystal Oscillator The AD1990 can use a crystal connected to the CLKI and CLKO pins as a master clock source, as shown in Figure 25. The CLKI and CLKO pins connect to an internal inverter to create ...
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APPLICATION CIRCUITS + 4.7µF DIGITAL INPUTS THERMAL SHUTDOWN THERMAL WARNING OVERCURRENT 0.1µF 47µF 1000µ 0.1µF 47µF 10µF + AINL OUTL+ NFL+ 10µF + AINR NFL– REF_FILT 0.1µF OUTL– AD1990 ...
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... Model Temperature Range 1 AD1990ACPZ −40°C to +85°C 1 AD1990ACPZRL −40°C to +85°C 1 AD1990ACPZRL7 −40°C to +85°C EVAL-AD1990EB Pb-free part. ©2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. 9.00 BSC SQ 0.60 MAX ...