lm48823tlx National Semiconductor Corporation, lm48823tlx Datasheet
lm48823tlx
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lm48823tlx Summary of contents
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... The LM48823’s superior click and pop suppression elimi- nates audible transients on power-up/down and during shut- down. The LM48823 is available in an ultra-small 16-bump micro SMD package (2mmx2mm). Boomer® registered trademark of National Semiconductor Corporation. Tru-GND is a trademark of National Semiconductor Corporation. © 2008 National Semiconductor Corporation Key Specifications ■ ...
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Typical Application www.national.com FIGURE 1. Typical Audio Amplifier Application Circuit 2 300684e1 ...
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... Connection Diagrams TL Package 2mm x 2mm x 0.8mm Top View See NS Package Number TLA1611A Order Number Package LM48823TL 16–Bump micro SMD LM48823TLX 16–Bump micro SMD 16–Bump micro SMD Marking 300684e0 Ordering Information Package DWG # Transport Media TLA1611A 250 units on tape and reel TLA1611A ...
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Pin Designator www.national.com TABLE 1. Bump Descriptions Pin Name SV Signal Power Supply DD SGND Signal Ground BYPASS Amplifier Reference Bypass INA Amplifier Inverting ...
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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 (Note 1) Storage Temperature Input Voltage Power Dissipation (Note 3) ESD Rating (Note 4) ESD Rating (Note ...
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I2C Interface Characteristics V The following specifications apply for A apply for T = 25°C. 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 ...
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Typical Performance Characteristics THD+N vs Frequency V = 3.6V DD THD+N vs Output Voltage = 1μF+15Ω 1kHz A = 6dB Output Voltage vs Frequency = 1μF+15Ω,THD 4.2V THD+N ...
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Power Consumption vs Output Voltage = 1μF+15Ω 3.6V Power Consumption vs Output Voltage = 1μF+15Ω 4.2V Output Voltage vs Supply Voltage = 1μF+15Ω, THD www.national.com Power ...
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PSRR vs Frequency V = 4.2V 200mV DD RIPPLE P-P = 1μF+15Ω, Input referred Z L 300684g4 Shutdown Current vs Supply Voltage No Load 300684g6 Supply Current vs Supply Voltage No Load 9 300684g5 www.national.com ...
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Application Information COMPATIBLE INTERFACE The LM48823 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 drain). ...
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B7 B6 Chip Address 1 1 Register Name Mode Control VOL4 GENERAL AMPLIFIER FUNCTION The LM48823 is a ceramic speaker driver that utilizes National’s inverting charge pump technology to deliver over 15V 2.2µF ceramic speaker while operating from a single ...
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VOLUME CONTROL Volume Step VOL4 ...
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SHUTDOWN FUNCTION The LM48823 features a low-power shutdown mode that dis- ables the device, lowering the quiescent current to 0.01µA. Set bits B1 (ENABLE_A) and B2 (ENABLE_B disable the amplifiers and charge pump. Set both ENABLE_A and ...
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PCB Layout Guidelines Minimize trace impedance of the power, ground and all output traces for optimum performance. Voltage loss due to trace resistance between the LM48823 and the load results in de- creased output power and efficiency. Trace resistance be- ...
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Demo Board Schematic 15 www.national.com ...
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PC Board Layout FIGURE 8: Top Silkscreen Layer FIGURE 10: Layer 2 FIGURE 12: Bottom Layer www.national.com 300684f0 FIGURE 9: Top Layer 300684e7 FIGURE 11: Layer 3 300684e6 FIGURE 13: Bottom Silkscreen 16 300684f1 300684e8 300684e9 ...
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Revision History Rev Date 1.0 06/27/08 1.01 07/15/08 Description Initial release. Edited the Ordering Information table. 17 www.national.com ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 16-Bump micro SMD Order Number LM48823TL NS Package Number TLA1611A X = 1.970± 0. 1.970 ± 0. 0.6 ± 0.075 ...
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Notes 19 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. ...