ad1990xcpzrl Analog Devices, Inc., ad1990xcpzrl Datasheet
ad1990xcpzrl
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ad1990xcpzrl Summary of contents
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... POP/CLICK SUPPRESSION Figure 1. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 Fax: 781.461.3113 Audio Switching Amplifier AD1990 FEEDBACK NETWORK OUTL OUTL– B2 H-BRIDGE C1 OUTR OUTR– D2 PGND FEEDBACK NETWORK www.analog.com ©2006 Analog Devices, Inc. All rights reserved. ...
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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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... 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 49 48 8.75 TOP BSC SQ VIEW ...