JAJSCN2B November 2016 – February 2019 TAS2557
PRODUCTION DATA.
デバイスごとのパッケージ図は、PDF版データシートをご参照ください。
The edge rate of the Class-D output is controllable via I2C as shown in Table 2. This allows adjusting the switching edge rate of the Class-D amplifier, trading off efficiency for lower EMI. The default edge rate of 14ns passes EMI testing and is recommend but may be changed if required.
SPK_GAIN_EDGE[2:0] (EDGE_RATE) | tR AND tF
(TYPICAL) |
---|---|
000 | Reserved |
001 | Reserved |
010 | 29 ns |
011 | 25 ns |
100 | 14 ns (default) |
101 | 13 ns |
110 | 12 ns |
111 | 11 ns |