LM4844TLEVAL National Semiconductor, LM4844TLEVAL Datasheet
LM4844TLEVAL
Specifications of LM4844TLEVAL
Related parts for LM4844TLEVAL
LM4844TLEVAL Summary of contents
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... THD+N ■ P HP, 32Ω, 3.3V, OUT 1% THD+N ■ Shutdown Current, 3.3V Boomer® registered trademark of National Semiconductor Corporation. © 2007 National Semiconductor Corporation Features ■ Stereo speaker amplifier ■ Stereo OCL headphone amplifier ■ Independent Left, Right, and Mono volume controls ■ ...
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Block Diagram www.national.com FIGURE 1. Audio Sub-System Block Diagram 2 20153531 ...
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Connection Diagrams 30 Bump Micro SMD (TL) Package Top View (Bump-side down) Order Number LM4844TL See NS Package Number TLA30CZA Micro SMD (TL) Marking 20153592 Top View Digit Date Code TT = Die Traceability G = Boomer ...
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Pin Connection (TL) Pin Name A1 RLS+ Right Loudspeaker Positive Output A2 V Power Supply DD A3 SDA Data A4 RHP3D Right Headphone 3D A5 RHP Right Headphone Output B1 GND Ground ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Storage Temperature Input Voltage Power Dissipation (Note 3) ESD Susceptibility (Note 4) ESD Susceptibility (Note 5) Junction Temperature ( Audio Amplifier Electrical Characteristics V ...
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Audio Amplifier Electrical Characteristics V The following specifications apply for V Symbol Parameter I Supply Current DD I Shutdown Current SD P Output Power O Total Harmonic Distortion Plus THD+N Noise V Offset Voltage OS N Output Noise OUT PSRR ...
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Volume Control Electrical Characteristics The following specifications apply for 3V C. Symbol Parameter Stereo Volume Control Range Mono Volume Control Range Volume Control Step Size Volume Control Step Size Error Stereo Channel to Channel Gain Mismatch Mute Attenuation L and ...
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Symbol Parameter t Start Condition Time 4 t Stop Condition time Data Hold Time Input Voltage High Input Voltage Low IL Note 1: All voltages ...
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Typical Performance Characteristics LM4844TL THD+N vs Frequency = 8Ω, Mode 5V LS 400mW O LM4844TL THD+N vs Frequency = 32Ω, Mode 5V HP 15mW, ...
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LM4844TL THD+N vs Output Power = 32Ω, Mode 5V HP 1kHz, 0dB Gain LM4844TL PSRR vs Frequency = 8Ω 5V Top-Modes 12, 13 Bottom-Modes 2, 3, ...
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LM4844TL Crosstalk vs Frequency = 8Ω, Mode 5V LS 400mW O 20153575 LM4844TL Crosstalk vs Frequency = 32Ω, Mode 5V HP 15mW, 0dB Gain ...
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LM4844TL Frequency Response = 32Ω, Mode 5V HP, Full Gain = 12dB LM4844TL Power Dissipation vs Output Power LS, per channel LM4844TL Power Dissipation vs Output Power V ...
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LM4844TL Output Power vs Load Resistance, LS Top-V = 5V, 10% THD+N; Topmid-V DD Botmid-V = 3V, 10% THD+N; DD Botmid-V = 3V, 1% THD+N DD LM4844TL Output Power vs Supply Voltage 8Ω; Top- 10%THD+N , Bot- 1%THD+N ...
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Application Information A7 Chip Address 1 ADR = 0 1 ADR = externally configured by ADR pin Mono Volume control Left Volume control Right Volume control Mode control www.national.com FIGURE Timing Diagram ...
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MD4 MD3 MD2 ...
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LD4//RD4 LD3//RD3 ...
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Mode CD3 CD2 ...
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COMPATIBLE INTERFACE The LM4844 uses a serial bus, which conforms to the I protocol, to control the chip's functions with two wires: clock (SCL) and data (SDA). The clock line is uni-directional. The data line is bi-directional ...
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Both the feedback resistor and the input resistor internally set. Bridge mode amplifiers are different from single-ended am- plifiers that drive loads connected between a single amplifier's output and ground. For a given supply voltage, bridge ...
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POWER SUPPLY BYPASSING As with any power amplifier, proper supply bypassing is crit- ical for low noise performance and high power supply rejec- tion. Applications that employ a 5V regulator typically use a 10µF in parallel with a 0.1µF filter ...
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FIGURE 4. Reference Design Board Schematic 21 20153532 www.national.com ...
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Demonstration Board Layout Recommended TL PCB Layout: Silkscreen Layer Recommended TL PCB Layout: Mid Layer 1 Recommended TL PCB Layout: Bottom Layer www.national.com 20153517 Recommended TL PCB Layout: 20153515 Recommended TL PCB Layout: 20153514 22 20153518 Top Layer 20153516 Mid ...
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Revision History Rev Date 1.1 06/01/06 1.2 07/20/07 1.3 08/07/07 1.4 08/23/07 Description Initial WEB. Edited the Control Interface Electrical Characteristics tables. Changed the I 2 CVdd from 1.8V into 1.7V (under the Operating Ratings). Fixed one place of typo. ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 30 Bump Micro SMD (TL) Package Order Number LM4844TL NS Package Number TLA30CZA X1 = 2.543±0. 2.949±0. 0.6±0.075 24 ...
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Notes 25 www.national.com ...
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... National Semiconductor and the National Semiconductor logo are registered trademarks of National Semiconductor Corporation. All other brand or product names may be trademarks or registered trademarks of their respective holders. ...