SSM2315CBZ-REEL Analog Devices Inc, SSM2315CBZ-REEL Datasheet
SSM2315CBZ-REEL
Specifications of SSM2315CBZ-REEL
Available stocks
Related parts for SSM2315CBZ-REEL
SSM2315CBZ-REEL Summary of contents
Page 1
FEATURES Filterless Class-D amplifier with Σ-Δ modulation No sync necessary when using multiple Class-D amplifiers from Analog Devices, Inc into 3 Ω load and 1.4 W into 8 Ω load at 5.0 V supply with <1% total harmonic ...
Page 2
SSM2315 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 ...
Page 3
SPECIFICATIONS 5 Ω μH, unless otherwise noted Table 1. Parameter Symbol DEVICE CHARACTERISTICS Output Power P Efficiency η Total Harmonic Distortion + Noise THD ...
Page 4
SSM2315 ABSOLUTE MAXIMUM RATINGS Absolute maximum ratings apply at 25°C, unless otherwise noted. Table 2. Parameter Supply Voltage Input Voltage Common-Mode Input Voltage Continuous Output Power Storage Temperature Range Operating Temperature Range Junction Temperature Range Lead Temperature (Soldering, 60 sec) ...
Page 5
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic GND 1A IN+ 1C IN− 3C OUT+ 1B VDD 3B GND 3A OUT− 2B PVDD BALL A1 CORNER ...
Page 6
SSM2315 TYPICAL PERFORMANCE CHARACTERISTICS 100 R = 8Ω + 33µH L GAIN = 6dB 0.1 0.01 0.001 0.0001 0.001 0.01 0.1 OUTPUT POWER (W) Figure 3. THD + N vs. Output Power ...
Page 7
V = 3.6V DD GAIN = 6dB R = 8Ω + 33µ 0.1 0.01 0.5W 0.001 10 100 1k FREQUENCY (Hz) Figure 9. THD + N vs. Frequency 3 100 ...
Page 8
SSM2315 4.1 3.9 3 3Ω + 33µ 4Ω + 33µH L 3.3 NO LOAD 3.1 2.9 2.7 2.5 2.5 3.0 3.5 4.0 4.5 SUPPLY VOLTAGE (V) Figure 15. Supply Current vs. Supply Voltage 2.0 ...
Page 9
8Ω + 33µH L 0.14 0.12 0.10 0.08 0.06 0.04 0. 0.2 0.4 0.6 0.8 1.0 1.2 OUTPUT POWER (W) Figure 21. Power Dissipation vs. Output Power Ω ...
Page 10
SSM2315 0 –10 –20 –30 –40 –50 –60 –70 –80 –90 –100 10 100 1k FREQUENCY (Hz) Figure 27. Power Supply Rejection Ratio (PSRR) vs. Frequency 0 –10 –20 –30 –40 –50 –60 –70 –80 –90 –100 10 100 1k ...
Page 11
TYPICAL APPLICATION CIRCUITS EXTERNAL GAIN SETTINGS = 160kΩ/(80kΩ AUDIO IN+ AUDIO IN– SHUTDOWN *INPUT CAPS ARE OPTIONAL IF INPUT DC COMMON-MODE VOLTAGE IS APPROXIMATELY V EXTERNAL GAIN SETTINGS = 160kΩ/(80kΩ AUDIO IN+ SHUTDOWN ) EXT 0.1µF ...
Page 12
SSM2315 THEORY OF OPERATION OVERVIEW The SSM2315 mono Class-D audio amplifier features a filterless modulation scheme that greatly reduces the external component count, conserving board space and, thus, reducing systems cost. The SSM2315 does not require an output filter but, ...
Page 13
LAYOUT As output power continues to increase, care must be taken to lay out PCB traces and wires properly among the amplifier, load, and power supply. A good practice is to use short, wide PCB tracks to decrease voltage drops ...
Page 14
... A1 BALL 1.430 CORNER TOP VIEW (BALL SIDE DOWN) ORDERING GUIDE Model Temperature Range 1 SSM2315CBZ-R2 −40°C to +85°C SSM2315CBZ-REEL 1 −40°C to +85°C 1 SSM2315CBZ-REEL7 −40°C to +85°C 1 SSM2315-EVALZ RoHS Compliant Part. 0.655 0.600 0.545 SEATING PLANE 0.350 0.320 0.290 0.50 BALL PITCH 0 ...
Page 15
NOTES Rev Page SSM2315 ...
Page 16
SSM2315 NOTES ©2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D06857-0-8/08(A) Rev Page ...