LM4947TLEVAL National Semiconductor, LM4947TLEVAL Datasheet - Page 32

• Manufacturer Part Number: LM4947TLEVAL
• Description: BOARD EVALUATION LM4947TL
• Manufacturer: National Semiconductor
• Series: Boomer®r

Specifications of LM4947TLEVAL

• Amplifier Type: Class D
• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.19W x 1 @ 8 Ohm; 87mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: LM4947
• Lead Free Status / RoHS Status: Not applicable / Not applicable

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Revision History
Rev
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
06/16/06
06/19/06
06/22/06
07/18/06
08/29/06
10/18/06
03/02/07
03/02/07
09/06/07
11/09/07
Date
Initial release.
Changed the Class D Efficiency (n) on Typical limit (from 79 to 86) on the
5V specification table.
Added more Typ Perf curves.
Replaced some of the curves.
Text edits.
Edited micro SMD pkg drawing, Figure 1, and Figure 2.
Changed I
table.
Removed CMRR SE condition and changed typical values for CMRR BTL
on 3.3V and 5.0V specification table.
Changed Mute Attenuation typical value on 5.0V specification table.
Edited the 3.3V and 5V EC tables.
Composed (CONFIDENTIAL) D/S for customer (SAMSUNG).
Edited Table 4.
Text edits.
32
DDQ
typical and limit values on the 3.3V and 5.0V specification
Description