MAX98400AETX+T Maxim Integrated Products, MAX98400AETX+T Datasheet
MAX98400AETX+T
Specifications of MAX98400AETX+T
Related parts for MAX98400AETX+T
MAX98400AETX+T Summary of contents
Page 1
... TQFN packages, respectively, and are speci- fied over the -40NC to +85NC temperature range. INL- INL+ INR- INR+ _______________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Wide 8V to 28V Supply Voltage Range S Single-Supply Operation ...
Page 2
Stereo, High-Power, Class D Amplifiers Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3
Stereo, High-Power, Class D Amplifiers Figure 1. MAX98400B EMI Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 4
Stereo, High-Power, Class D Amplifiers ABSOLUTE MAXIMUM RATINGS PVDD to PGND ......................................................-0.3V to +30V V to GND ...............................................................-0.3V to +6V S SHDN, MONO to GND ............................................-0.3V to +6V IN_ to GND ..............................................................-0.3V to +6V G1, G2, RELEASE, TEMPLOCK, LIM_TH to ...
Page 5
Stereo, High-Power, Class D Amplifiers ELECTRICAL ChARACTERISTICS (continued 18V 1FF 5V, LIM_TH = V PVDD IN SHDN = 1FF 1FF measurement bandwidth 20Hz to 20kHz, differential ...
Page 6
Stereo, High-Power, Class D Amplifiers ELECTRICAL ChARACTERISTICS (continued 18V 1FF 5V, LIM_TH = V PVDD IN SHDN = 1FF 1FF measurement bandwidth 20Hz to 20kHz, differential ...
Page 7
Stereo, High-Power, Class D Amplifiers (MAX98400A 18V 5V, LIM_TH = V PVDD SHDN 1FF, typical values are at T REL TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY ...
Page 8
Stereo, High-Power, Class D Amplifiers (MAX98400A 18V 5V, LIM_TH = V PVDD SHDN 1FF, typical values are at T REL EFFICIENCY vs. OUTPUT POWER 100 ...
Page 9
Stereo, High-Power, Class D Amplifiers (MAX98400A 18V 5V, LIM_TH = V PVDD SHDN 1FF, typical values are at T REL INBAND OUTPUT SPECTRUM 0 8I LOAD -20 -40 -60 -80 ...
Page 10
Stereo, High-Power, Class D Amplifiers (MAX98400A 18V 5V, LIM_TH = V PVDD SHDN 1FF, typical values are at T REL TOTAL HARMONIC DISTORTION PLUS NOISE vs. OUTPUT POWER (MONO) 10 ...
Page 11
Stereo, High-Power, Class D Amplifiers (MAX98400A 18V 5V, LIM_TH = V PVDD SHDN 1FF, typical values are at T REL OUTPUT POWER vs. LOAD (MONO ...
Page 12
Stereo, High-Power, Class D Amplifiers TOP VIEW N.C. 28 PGND 29 PGND 30 PVDD 31 MAX98400A PVDD 32 PVDD 33 PGND 34 PGND ...
Page 13
Stereo, High-Power, Class D Amplifiers PIN NAME MAX98400A MAX98400B 11 8 INL INL- 13 — MONO 14 GND 16 11 INR INR TEMPLOCK 20 14 RELEASE 21 15 SHDN 23 ...
Page 14
Stereo, High-Power, Class D Amplifiers C2 1.0µF MONO 1.0µF INL+ 11 LEFT C IN INPUT 1.0µF INL- 12 TEMPLOCK 1.0µF INR+ 17 RIGHT C IN INPUT 1.0µF INR Stereo Configuration for MAX98400A ...
Page 15
Stereo, High-Power, Class D Amplifiers C 1.0µ MONO 1µ F INL+ 11 LEFT INPUT INL 1µ TEMPLOCK C IN 1µ F INR+ 17 RIGHT INPUT INR ...
Page 16
Stereo, High-Power, Class D Amplifiers The MAX98400A/MAX98400B are available in 36-pin and 24-pin TQFN packages, respectively, and are specified over the -40NC to +85NC temperature range. The high efficiency of a Class D amplifier is due to the switching operation ...
Page 17
Stereo, High-Power, Class D Amplifiers Limiter Threshold Control (LIM_TH) There are three modes for the limiter, defined by V the voltage applied to the LIM_TH pin (Table 1). In Mode1, the limiter is disabled. The output clips when output peak ...
Page 18
Stereo, High-Power, Class D Amplifiers Preamplifier Gain Setting The ICs offer eight pin-selectable gain settings, select- able through the G1 and G2 pins. The ICs feature overcurrent protection and two types of thermal protection: thermal foldback and overtempera- ture protection. ...
Page 19
Stereo, High-Power, Class D Amplifiers Inductor-Based Output Filters Some applications use the ICs with a full inductor-/ capacitor-based (L/C) output filter. See Figure 4 for the correct connections of these components. The load impedance of the speaker determines the filter ...
Page 20
Stereo, High-Power, Class D Amplifiers MONO 13 INL+ 11 INL- 12 TEMPLOCK 19 INR+ 17 INR PVDD S 6 31, 32, 33 MAX98400A REGULATOR CLIPPING PGA LIMITER POWER THERMAL STAGE FOLDBACK WITH THERMAL CLIPPING AND PGA LIMITER ...
Page 21
Stereo, High-Power, Class D Amplifiers V PVDD S 4 21, 22 REGULATOR INL+ 8 CLIPPING PGA LIMITER INL- 9 TEMPLOCK 13 THERMAL FOLDBACK INR+ 12 CLIPPING PGA LIMITER INR- 11 LIMITER CONTROL SELECTION LIM_TH RELEASE G1 Functional ...
Page 22
Stereo, High-Power, Class D Amplifiers For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, ...
Page 23
Stereo, High-Power, Class D Amplifiers For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, ...
Page 24
Stereo, High-Power, Class D Amplifiers For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, ...
Page 25
Stereo, High-Power, Class D Amplifiers For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, ...
Page 26
... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 26 2010 Maxim Integrated Products © ...