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LM1896,LM2896

LM1896 LM2896 Dual Audio Power Amplifier

Literature Number: SNAS552A

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Summary of Contents for LM1896

Page 1: ...LM1896 LM2896 LM1896 LM2896 Dual Audio Power Amplifier Literature Number SNAS552A...

Page 2: ...ble in an 11 lead single in line package The LM2896 package has been redesigned resulting in the slightly degraded thermal characteristics shown in the figure Device Dissipation vs Ambient Tempera tur...

Page 3: ...RL e 8X Bridge Mode TA e 25 C 1 8 2 1 W VS e 9V RL e 8X Dual Mode 1 3 W ch LM2896P 1 VS e 12V RL e 8X Dual Mode 2 0 2 5 W ch LM2896P 2 VS e 12V RL e 8X Bridge Mode TTAB e 25 C 7 2 9 0 W VS e 9V RL e 4...

Page 4: ...W e 5 kHz THD and Gain vs Frequency AV e 46 dB BW e 50 kHz THD and Gain vs Frequency AV e 40 dB BW e 20 kHz THD and Gain vs Frequency AV e 34 dB BW e 50 kHz THD and Gain vs Frequency Speaker Lead Plac...

Page 5: ...4X Power Dissipation vs Power Output RL e 8X Power Dissipation vs TL H 7920 3 Equivalent Schematic 6 9 No connection on LM1896 TL H 7920 4 indicates pin number for LM2896 Connection Diagrams Dual In...

Page 6: ...t a DC potential of VS 2 Low frequency pole set by fL e 1 2q RIN C1 5 C2 C13 Feedback capacitors Ensure unity gain at DC Also a low frequency pole at fL e 1 2qR2C2 6 C3 C12 Bootstrap capacitors used t...

Page 7: ...rresponds to an increase in usable sensitivity of about 8 5 dB Bridge Amplifiers The LM1896 LM2896 can be used in the bridge mode as a monaural power amplifier In addition to much higher power output...

Page 8: ...e will keep the THD at its lowest value The inputs should be terminated in less than 50 kX to prevent an input output oscillation This oscillation is dependent on the gain and the proximity of the bri...

Page 9: ...Printed Circuit Layout Continued TL H 7920 12 FIGURE 6 Printed Circuit Board Layout for the LM2896 8 O b s o l e t e...

Page 10: ...Physical Dimensions inches millimeters Molded Dual In Line Package N Order Number LM1896N See NS Package Number N14A 9 O b s o l e t e...

Page 11: ...ce or system or to affect its safety or with instructions for use provided in the labeling can effectiveness be reasonably expected to result in a significant injury to the user National Semiconductor...

Page 12: ...or use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have...

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