sta381bw STMicroelectronics, sta381bw Datasheet - Page 164

• Manufacturer Part Number: sta381bw
• Description: Sound Terminal 2.1-channel High-efficiency Digital Audio System
• Manufacturer: STMicroelectronics

Applications
8.3
164/168
Besides the digital input to the power output path a line in to headphone / 2Vrms line out
path is provided. The headphone and line out block diagram is shown in
overall gain is determined by the external resistors R1 and R2 as:
The LINEINR/LINEINL pins can be either connected to an external line in or to the
F3XL/F3XR pins as depicted in
possible to route the digital input (SAI) content on both the power and the line
out/headphone output.
Typical output configuration
Figure 48
to the application note for all the other schematics for the recommended output
configuration.
Figure 48. Output configuration for stereo BTL mode in filterlight configuration
illustrates the typical output configuration used for BTL stereo mode. Please refer
Doc ID 018835 Rev 2
Figure 44
Gain=R2/R1*2
and
Figure
45. Thanks to this latter option it is
Figure
STA381BW
47. The