Pin No. |
Pin |
I/O/P |
Function Description |
1 |
SD_B |
I |
Shutdown control terminal. Low active. TTL Logic levels with compli-
ance to AVDD. |
2 |
FAULT_B |
O |
Protection Flag Indicator (Open Drain). Connecting FAULT_B and SD_B
can be set to auto-recovery. Otherwise need to reset by cycling AVDD. |
3 |
LINP |
I |
Left channel positive audio signal input. |
4 |
LINN |
I |
Left channel negative audio signal input. |
5 |
GAIN0 |
I |
Gain selection least significant bit. |
6 |
GAIN1 |
I |
Gain selection most significant bit. |
7 |
AVDD |
P |
Analog Power Supply. |
8 |
AGND |
P |
Analog Ground. |
9 |
VREG |
O |
Regulated Voltage. Nominal voltage is 5.8V. |
10 |
PLIMIT |
I |
Power Limit Level Adjust. Connect a resistor divider from VREG to GND
to set power limit. Connect to VREG directly for no power limit. |
11 |
RINN |
I |
Right channel negative audio signal input. |
12 |
RINP |
I |
Right channel positive audio signal input. |
13 |
MODE |
I |
Modulation Mode Select. Pull-Low to disable new modulation scheme. |
14 |
PBTL |
I |
Parallel BTL mode switch. |
15,16 |
PVDDR |
P |
Right channel power supply. |
17 |
BSPR |
I |
Bootstrap I/O for right channel positive high-side switch. |
18 |
ROUTP |
O |
Right channel positive output. |
19 |
PVSSR |
P |
Right channel power ground. |
20 |
ROUTN |
O |
Right channel negative output. |
21 |
BSNR |
I |
Bootstrap I/O for right channel negative high-side switch. |
22 |
BSNL |
I |
Bootstrap I/O for left channel negative high-side switch. |
23 |
LOUTN |
O |
Left channel negative output. |
24 |
PVSSL |
P |
Left channel power ground. |
25 |
LOUTP |
O |
Left channel positive output. |
26 |
BSPL |
O |
Bootstrap I/O for left channel positive high-side switch. |
27,28 |
PVDDL |
P |
Left channel power supply. |