lm4921itlx National Semiconductor Corporation, lm4921itlx Datasheet
lm4921itlx
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lm4921itlx Summary of contents
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... The LM4921 features a low-power consumption shutdown mode, and also has an internal thermal shutdown protection mechanism. Boomer® registered trademark of National Semiconductor Corporation. © 2007 National Semiconductor Corporation Key Specifications ■ 2 ...
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Typical Application www.national.com FIGURE 1. Typical Audio Amplifier Application Circuit 2 200486f6 ...
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... Connection Diagrams LM4921 Pin Configuration Top View 20-Bump micro SMD Order Number LM4921ITL, LM4921ITLX See NS Package Number TLA20JKA Connection 20-Bump micro SMD Marking 200486f9 X - Date Code T - Die Traceability G - Boomer Family B9 - LM4921ITL 3 200486f8 www.national.com ...
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LM4921 I/O Pin Descriptions PIN # (ITL) PIN NAME B1 I2S_CLK C2 I2S_DATA B2 I2S_WS E3 SPI_CLK E4 SPI_DATA D3 SPI_ENABLE E2 MCLK/XTAL_IN D2 XTAL_OUT C4 BYPASS AGND GNDD D1 VDDX E1 ...
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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 Human body model (Note 4) Machine model ...
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Electrical Characteristics DV The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T Symbol Parameter DV Digital Power Supply Voltage DD AV Analog Power Supply Voltage DD DI Digital Power Supply Quiescent ...
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Electrical Characteristics-Digital Inputs DV The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T Symbol Parameter Resolution Audio Data Interface Format f Master Clock Frequency MCLK f Sampling Clock ...
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Typical Performance Characteristics THD+N vs Output Power Analog V = 5V, Digital 32Ω, 44.1 kHz Sample Rate & L Channels, Vol = 3dB, Frequency in = 1kHz THD+N vs Output Power Analog V = ...
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Crosstalk 200486c7 Analog V = 3V, Digital 32Ω, Vol = 3dB 44.1kHz Sample Rate, -3dB FFS Linearity 200486e3 Analog V = 5V, Digital 32Ω, 44.1kHz Sample Rate ...
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PSRR vs Frequency Analog V = 5V, Digital 32Ω, Vol = 3dB, 44.1kHz Sample Rate R L FFT @ 1kHz -60dB Analog V = 5V, Digital 32Ω, Vol = 3dB, 44.1kHz Sample Rate R ...
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Application Information SPI OPERATIONAL DESCRIPTION The serial data bits are organized into a field which contains 16 bits of data defined by TABLE 1. Bits 1 & 2 determine the output mode of the LM4921 as shown in TABLE 2. ...
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VOLUME CONTROL The internal Stereo Volume Control is set by changing bits 7 through 11 in the SPI interface, as shown in table 3 below. The zero dB setting is for 3V VDD operation and the +3dB is for 5V ...
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SPI TIMING DIAGRAM SPI OPERATIONAL REQUIREMENTS 1. The maximum clock rate is 5MHz for the CLK pin. 2. CLK must remain logic-high for at least 100ns (t the rising edge of CLK, and CLK must remain logic-low for at least ...
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LM4921ITL DEMO BOARD OPERATION The LM4921ITL demo board is a complete evaluation platform (Note 10), designed to give easy access to the control pins of the part and comprise all the necessary external passive components. There are separate analog and ...
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... DEMO BOARD BILL OF MATERIALS National Semiconductor Corporation Bill of Material Analog Audio LM4921ITL20 Eval Board Assembly Part Number: 980011973-100 Revision A Item Part Number 1 551011973- Part Description Qty LM4921 Eval Board PCB etch 1 001 LM4921 ITL20 micro SMD 20 ...
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DEMO BOARD ARTWORKS Silkscreen Layer Mid Layer 1 www.national.com 200486f3 Top Layer 200486f2 Mid Layer 2 16 200486f1 200486h1 ...
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Bottom Layer 17 www.national.com ...
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... Physical Dimensions X1 = 2.200 ± 0.03mm X2 = 2.720 ± 0.03mm X3 = 0.600 ± 0.075mm www.national.com inches (millimeters) unless otherwise noted 20 Bump micro SMD Order Number LM4921ITL, LM4921ITLX NS Package Number TLA20JKA 18 ...
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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. ...