SSM2304CPZ-REEL Analog Devices Inc, SSM2304CPZ-REEL Datasheet
SSM2304CPZ-REEL
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SSM2304CPZ-REEL Summary of contents
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FEATURES Filterless Class-D amplifier with built-in output stage 2 W into 4 Ω and 1.4 W into 8 Ω at 5.0 V supply with <10% THD 85% efficiency at 5.0 V, 1.4 W into 8 Ω speaker Better than 98 ...
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SSM2304 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 Thermal Resistance ...................................................................... 4 ESD Caution.................................................................................. 4 Pin Configuration and Function Descriptions............................. ...
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SPECIFICATIONS 5 Ω, 8 Ω; gain = 18 dB; unless otherwise noted Table 1. Parameter DEVICE CHARACTERISTICS Output Power Efficiency Total Harmonic Distortion + Noise Input ...
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SSM2304 ABSOLUTE MAXIMUM RATINGS Absolute maximum ratings apply at 25°C, unless otherwise noted. Table 2. Parameter Supply Voltage Input Voltage Common-Mode Input Voltage ESD Susceptibility Storage Temperature Range Operating Temperature Range Junction Temperature Range Lead Temperature Range (Soldering, 60 sec) ...
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic 1 OUTL+ 2 OUTL− INL+ 5 INL− INR− 9 INR OUTR− 12 OUTR+ 13 GND 14 ...
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SSM2304 TYPICAL PERFORMANCE CHARACTERISTICS 100 R = 4Ω, 33µH L GAIN = 18dB 0.1 0.01 0.001 0.00001 0.0001 0.001 0.01 OUTPUT POWER (W) Figure 3. THD + N vs. Output Power into 4 Ω, A ...
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8Ω, 33µH L GAIN = 6dB 10 0.25W 1 0.125W 0.1 0.01 0.075W 0.001 0.0001 20 100 1k FREQUENCY (Hz) Figure 9. THD + N vs. Frequency 2 ...
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SSM2304 100 8Ω, 33µH L GAIN = 18dB 10 0.25W 1 0.1 0.01 0.075W 0.001 0.0001 20 100 1k FREQUENCY (Hz) Figure 15. THD + N vs. Frequency 2 ...
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GAIN = 6dB 1 8Ω, 15µH L 1.4 10% 1.2 1% 1.0 0.8 0.6 0.4 0.2 0 3.6 3.8 4.0 4.2 4.4 SUPPLY VOLTAGE (V) Figure 21. Maximum Output Power vs. Supply Voltage, R ...
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SSM2304 1 3. 8Ω, 33µH 0.9 L 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0 0.1 0.2 0.3 0.4 0.5 OUTPUT POWER (W) Figure 27. Power Dissipation vs. Output Power at V 1.8 ...
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R = 8Ω, 33µH L GAIN = 6dB –10 –20 –30 –40 –50 –60 –70 –80 10 100 1k 10k FREQUENCY (Hz) Figure 33. Common-Mode Rejection Ratio vs. Frequency 3. rms RIPPLE ...
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SSM2304 TYPICAL APPLICATION CIRCUITS 22nF RIGHT IN+ RIGHT IN– 22nF SHUTDOWN 22nF LEFT IN+ LEFT IN– 22nF 1 INPUT CAPS ARE OPTIONAL IF INPUT DC COMMON-MODE VOLTAGE IS APPROXIMATELY V 22nF RIGHT IN 22nF SHUTDOWN 22nF LEFT IN 22nF 0.1µF ...
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APPLICATION NOTES OVERVIEW The SSM2304 stereo Class-D audio amplifier features a filterless modulation scheme that greatly reduces the external components count, conserving board space and thus reducing systems cost. The SSM2304 does not require an output filter, but instead relies ...
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SSM2304 LAYOUT As output power continues to increase, care needs to be taken to lay out PCB traces and wires properly between the amplifier, load, and power supply. A good practice is to use short, wide PCB tracks to decrease ...
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EVALUATION BOARD INFORMATION INTRODUCTION This section describes how to configure and use the SSM2304 Evaluation Board Revision 3.0. There are several ways to connect the audio signal to the amplifier on the evaluation board. For example, the signal can be ...
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SSM2304 Figure 44. Bottom Layers Figure 45. Mirrored Bottom Layers On the upper left corner of the schematic shown in Figure 46, there is an audio stereo jack connector (3.5 mm), J1. This jack is compatible with standard stereo audio ...
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OUTL+ 1 OUTL INL Figure 46. ...
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SSM2304 GETTING STARTED To ensure proper operation, follow these steps: 1. Verify that the control switches are at the proper positions. 2. Put S1H, the shutdown control, in the lower position to turn on the amplifier. 3. Put S1G, the ...
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PCB LAYOUT GUIDELINES To keep the EMI within the allowable limits and ensure that the amplifier chip operates within the temperature limits, adhere to the following guidelines. 1. Place nine vias onto the thermal pad of the amplifier. The outer ...
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... SEATING PLANE ORDERING GUIDE Model Temperature Range 1 SSM2304CPZ-REEL −40°C to +85°C 1 SSM2304CPZ-REEL7 −40°C to +85°C SSM2304Z-EVAL Pb-free part. ©2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D06162-0-12/06(0) 3.00 0.60 MAX BSC SQ 0 ...