LM49153TMEVAL National Semiconductor, LM49153TMEVAL Datasheet
LM49153TMEVAL
Specifications of LM49153TMEVAL
Related parts for LM49153TMEVAL
LM49153TMEVAL Summary of contents
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... Click and pop suppression eliminates audible transients on power-up/down and during shutdown. The LM49153 is avail- able in an ultra-small 25-bump 0.4mm pitch micro SMD pack- age (2.30mm x 2.42mm). Boomer® registered trademark of National Semiconductor Corporation. © 2011 National Semiconductor Corporation LM49153 Key Specifications ■ ...
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Typical Application www.national.com FIGURE 1. Typical Audio Amplifier Application Circuit 2 30121063 ...
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Connection Diagrams Ordering Information Order Number Package LM49153TM 25 Bump micro SMD LM49153TMX 25 Bump micro SMD 25 Bump micro SMD Package Top View Order Number LM49153TM See NS Package Number TMD25MSA 25 Bump micro SMD Markings 30121075 Top View ...
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Bump Name HPV C1P A3 CPGND A4 LSOUT- A5 LSOUT+ CPV C1N B3 SCL B4 SET LSV B5 DD CPV SDA C3 INL2 C4 EP+ C5 EPOUT+ D1 HPR D2 BYPASS ...
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... Absolute Maximum Ratings 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (V , LSV ) (Note Supply Voltage (HPV ) (Note 1) DD Storage Temperature Input Voltage Power Dissipation (Note 3) ESD Rating (Note 4) ESD Rating ...
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Symbol Parameter A Gain V A Mute Attention VMUTE R Input Resistance IN P Output Power O THD+N Total Harmonic Distortion + Noise Power Supply Rejection Ratio PSRR (Output referred) CMRR Common Mode Rejection Ratio η Efficiency X Crosstalk TALK ...
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Symbol Parameter ε Output Noise OS SNR Signal to Noise Ratio t Noise Gate Attack Time A t Noise Gate Release Time R CC Clip Control P Output Power Limit LIMIT t ALC Attack Time A t ALC Release Time ...
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Interface Characteristics V The following specifications apply for A Symbol Parameter t SCL Period 1 t SDA Setup Time 2 t SDA Stable Time 3 t Start Condition Time 4 t Stop Condition Time 5 V Input ...
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Typical Performance Characteristics THD+N vs Output Power = 8Ω 1kHz V = 3.6V 18dB, Mode 2 V THD+N vs Output Power = 8Ω 1kHz V = 5.0V ...
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PSRR vs FREQUENCY V = 3.6V, HPV = 1.8V 8Ω, Mono Input, LS Mode R L PSRR vs FREQUENCY V = 3.6V, HPV = 1.8V 32Ω, Mono Input, HP Mode R L ...
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EFIICIENCY vs OUTPUT POWER = 8Ω 1kHz, Loudspeaker Mode POWER DISSIPATION vs OUTPUT POWER = 32Ω 1kHz R L Loudspeaker Mode 2 OUTPUT POWER vs SUPPLY VOLTAGE = 32Ω 1kHz R ...
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Application Information WRITE-ONLY COMPATIBLE INTERFACE The LM49153 is controlled through an I interface that consists of a serial data line (SDA) and a serial clock (SCL). The clock line is uni-directional. The data line is bi-directional (open ...
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DEVICE ADDRESS REGISTER B7 B6 Device Address CONTROL REGISTER Register Name B7 B6 Shutdown control 0 0 Mode control 0 0 Power limiter control clip control 0 1 Gain control 1 0 ...
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MODE CONTROL REGISTER Bits Field B3:B0 MODE_ This set the different mixer output modes. CONTROL Mode Input (Diff/SE This enables the receiver bypass path *0: Differential, ...
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NO CLIP CONTROL REGISTER Bits Field B2:B0 OUTPUT_CLIP_ This sets the output voltage limit level. CONTROL B4:B3 RELEASE_TIME This sets the release time of the automatic limiter control circuit. GAIN CONTROL REGISTER Bits Field B2:B0 HP_GAIN This sets the headphone ...
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VOLUME CONTROL REGISTER VOLUME _G4 STEP ...
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NOISE GATE CONTROL REGISTER Bits Field B1:B0 NOISE_GATE_ This sets the noise gate attack and release time. TIME B4:B3 NOISE_GATE_ This sets the noise gate trip level * LEVEL * Levels listed for Mono Inputs. Levels double with Stereo Inputs. ...
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DIFFERENTIAL AMPLIFIER EXPLANATION The LM49153 features a differential input stage for the mono inputs, which offers improved noise rejection compared to a single-ended input amplifier. Because a differential input am- plifier amplifies the difference between the two input signals, any ...
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NO CLIP/OUTPUT CLIP CONTROL The LM49153 No Clip circuitry detects when the loudspeaker output is near clipping and reduces the signal gain to prevent output clipping and preserve audio quality The LM49153 also features an output clip control that allows ...
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ALC HEADROOM When either voltage limiter or no clip is enabled still pos- sible to drive LM49153 into clipping by overdriving the input volume stage of the signal path beyond its output dynamic range. In this case, clipping ...
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When No Clip is enabled, class D speaker output reduces when it’s about to enter clipping region and power stay con- stant as long less than V for 0dB volume gain (see IN DD Figure 8). For ...
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Charge Pump Flying Capacitor (C1) The flying capacitor (C1) affects the load regulation and out- put impedance of the charge pump value that is too low results in a loss of current drive, leading to a loss of ...
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Power Supply Sequencing The LM49153 uses two power supply voltages, V Class D and HPV for the Headphones. If using two sepa- DD rate power supplies, apply V first before applying HPV DD ensure proper operation. Software Installation Instructions 1) ...
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... Bill Of Materials Item Ref Designator 1 PCB LM49153EVAL PCB 2 U1 LM49153TMEVAL C1, C4, C6, C7, C13 Ceramic Capacitor 7 C5 Tantalum capacitor 8 C9, C10 Ceramic Capacitor 9 C11, C12 Ceramic Capacitor 10 C14, C15 Ceramic Capacitor 11 C16, C17 Ceramic Capacitor 12 C3, C18, C20 Ceramic Capacitor 13 C2, C8, C19, C21 ...
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Demo Board Schematic Diagram 25 www.national.com ...
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Demo Board Layout Top Layer Layer 2 Bottom Layer www.national.com 30121098 Top Silkscreen 30121094 30121093 Bottom Silkscreen 26 30121097 30121095 Layer 3 30121096 ...
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Revision History Rev Date 1.0 12/02/10 1.01 12/08/10 1.02 03/31/11 1.03 04/01/11 Description Initial WEB released. Text edits. Changed the Typical value on Xtalk from (EC table). Changed the Typical value on Xtalk from ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted micro SMD Package Order Number LM49153TM NS Package Number TMD25MSA X = 2.30mm 2.42mm 0.6mm 3 ...
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Notes 29 www.national.com ...
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... For more National Semiconductor product information and proven design tools, visit the following Web sites at: www.national.com Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www.national.com/ldo LED Lighting www ...