LM48822TLEVAL National Semiconductor, LM48822TLEVAL Datasheet
LM48822TLEVAL
Specifications of LM48822TLEVAL
Related parts for LM48822TLEVAL
LM48822TLEVAL Summary of contents
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... Superior click and pop suppression eliminates audible tran- sients on power-up/down and during shutdown. The LM48822 is available in an ultra-small 16-bump micro SMD package (2mmx2mm). Boomer ® registered trademark of National Semiconductor Corporation. © 2011 National Semiconductor Corporation LM48822 2 C Volume Control Key Specifications ■ ...
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Typical Application www.national.com FIGURE 1. Typical Audio Amplifier Application Circuit 2 30061013 ...
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Connection Diagrams TL Package 2mm x 2mm x 0.8mm Top View Order Number LM48822TL See NS Package Number TLA1611A 16–Bump micro SMD Marking 30061017 Top View XY = Date code TT = Die traceability G = Boomer Family K1 = ...
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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 (Note 1) Storage Temperature Input Voltage Power Dissipation (Note 3) ESD Rating(Note 4) ESD Rating (Note 5) Electrical Characteristics V The following specifications apply for A ...
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Symbol Parameter R Output Impedance OUT V Maximum Voltage Swing OUT 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 ...
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Typical Performance Characteristics THD+N vs Frequency V = 2.5V 10mW OUT THD+N vs Frequency V = 3.6V 20mW OUT THD+N vs Frequency V = 5.0V 20mW OUT www.national.com ...
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THD+N vs Output Power = 16Ω 1kHz A = 0dB Both Outputs in Phase 30061090 THD+N vs Output Power = 16Ω 1kHz A = 9dB Both Outputs in Phase 300610a7 ...
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Output Power vs Supply Voltage = 32Ω 1kHz R L PSRR vs Frequency V = 3.6V 20mV DD RIPPLE Ground Noise vs Frequency V = 3.6V 20mV DD RIPPLE www.national.com 300610a1 = 32Ω , ...
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Application Information COMPATIBLE INTERFACE The LM48822 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 collector). ...
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B7 B6 Device 1 1 Address Register Register B7 Address Name MODE 0 0 CONTROL VOLUME 1 1 CONTROL Bit Name B6 SDL B5 SD_BIAS B4 CP_ONLY B3 UNUSED B2 MUTE_LEFT B1 SDR B0 MUTE_RIGHT GENERAL AMPLIFIER FUNCTION The LM48822 ...
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COMMON MODE SENSE The LM48822 features a ground (common mode) sensing feature. In noisy applications, or where the headphone jack is used as a line out to other devices, noise pick up and ground imbalance can degrade audio quality. The ...
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VOLUME CONTROL VOLUME STEP VOL5 ...
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VOLUME STEP VOL5 VOL4 VOL3 VOL2 ...
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SHUTDOWN FUNCTION The LM48822 features three shutdown controls. Bits B6 (SDL) and B1 (SDR) of the MODE CONTROL register control the left and right channels, respectively. Set the control bits disable the corresponding channel. When SDR = ...
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PCB LAYOUT CONFIGURATION Minimize trace impedance of the power, ground and all output traces for optimum performance. Voltage loss due to trace resistance between the LM48822 and the load results in de- creased output power and efficiency. Trace resistance be- ...
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LM48822TL Demoboard of Materials Designator C1 C2 C3, C8 — JU1 JU2 LM4822TL www.national.com TABLE 4. LM48822TL Demoboard Bill of Materials Quantity 10µF ±10% 16V 500Ω Tantalum Capacitor (B Case) AVX 1 TPSB106K016R0500 ...
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Demoboard Schematic FIGURE 8. LM48822 Demoboard Schematic 17 30061057 www.national.com ...
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Demonstration Board PCB Layout FIGURE 9. Solder Mask FIGURE 11. Top Layer FIGURE 13. Layer 3 (V www.national.com 30061066 30061067 30061064 ) DD 18 30061068 FIGURE 10. Top Silkscreen 30061062 FIGURE 12. Layer 2 (GND) 30061058 FIGURE 14. Bottom Layer ...
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FIGURE 15. Bottom Silkscreen 19 www.national.com ...
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Revision History Rev Date 0.1 04/15/08 0.2 04/23/08 0.3 04/30/08 0.4 07/10/08 0.5 03/09/11 www.national.com Description Initial PDF. Added the demo boards and schematic. Text edits. Text edits. Changed the bit B7 into B6 under the SHUTDOWN FUNCTION section. 20 ...
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Physical Dimensions inches (millimeters) unless otherwise noted 14 – Bump micro SMD Order Number LM48822TL NS Package Number TLA1611A X1 = 1970 X2 = 1970 X3 = 600 21 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 ...