AVDD |
46 |
P |
- |
Power supply for internal analog circuitry |
ANA_REF |
4 |
P |
- |
Connection point for internal reference used by ANA_REG and VCOM filter capacitors. |
ANA_REG |
2 |
P |
- |
Voltage regulator derived from AVDD supply (NOTE: This terminal is provided as a connection point for filtering capacitors for this supply and must not be used to power any external circuitry) |
BSTRPA- |
39 |
P |
- |
Connection point for the SPK_OUTA- bootstrap capacitor, which is used to create a power supply for the high-side gate drive for SPK_OUTA- |
BSTRPA+ |
43 |
P |
- |
Connection point for the SPK_OUTA+ bootstrap capacitor, which is used to create a power supply for the high-side gate drive for SPK_OUTA+ |
BSTRPB- |
38 |
P |
- |
Connection point for the SPK_OUTB- bootstrap capacitor, which is used to create a power supply for the high-side gate drive for SPK_OUTB- |
BSTRPB+ |
34 |
P |
- |
Connection point for the SPK_OUTB+ bootstrap capacitor, which is used to create a power supply for the high-side gate drive for SPK_OUTB+ |
DGND |
17 |
G |
- |
Ground for digital circuitry (NOTE: This terminal should be connected to the system ground) |
DR_CN |
24 |
P |
- |
Negative pin for capacitor connection used in headphone amplifier/line driver charge pump |
DR_CP |
25 |
P |
- |
Positive pin for capacitor connection used in headphone amplifier/line driver charge pump |
DR_INA- |
18 |
AI |
- |
Negative differential input for channel A of headphone amplifier/line driver |
DR_INA+ |
19 |
AI |
- |
Positive differential input for channel A of headphone amplifier/line driver |
DR_INB- |
31 |
AI |
- |
Negative differential input for channel B of headphone amplifier/line driver |
DR_INB+ |
30 |
AI |
- |
Positive differential input for channel B of headphone amplifier/line driver |
DR_MUTE
|
22 |
DI |
- |
Places the headphone amplifier/line driver in mute |
DR_OUTA |
20 |
AO |
- |
Output for channel A of headphone amplifier/line driver |
DR_OUTB |
29 |
AO |
- |
Output for channel B of headphone amplifier/line driver |
DR_UVE |
28 |
AI |
- |
Sense pin for under-voltage protection circuit for the headphone amplifier/line driver |
DR_VSS |
23 |
P |
- |
Negative power supply generated by charge pump from the DRVDD supply for ground centered headphone/line driver output |
DRGND |
21 |
G |
- |
Ground for headphone amplifier/line driver circuitry (NOTE: This terminal should be connected to the system ground) |
DRGND |
27 |
G |
- |
Ground for headphone amplifier/line driver circuitry (NOTE: This terminal should be connected to the system ground) |
DRVDD |
26 |
P |
- |
Power supply for internal headphone/line driver circuitry |
DVDD |
9 |
P |
- |
Power supply for the internal digital circuitry |
FREQ/SDA |
7 |
DI |
Weak Pulldown |
Dual function terminal that functions as an I²C data input pin in I²C Control Mode or as a Frequency Select terminal when in Hardware Control Mode. |
GGND |
47 |
G |
- |
Ground for gate drive circuitry (NOTE: This terminal should be connected to the system ground) |
GVDD_REG |
48 |
P |
- |
Voltage regulator derived from PVDD supply (NOTE: This pin is provided as a connection point for filtering capacitors for this supply and must not be used to power any external circuitry) |
LRCK |
16 |
DI |
Weak Pulldown |
Serial Audio Port Word Clock. Word select clock for the digital signal that is active on the serial port's input data line |
MCLK |
13 |
DI |
Weak Pulldown |
Master Clock used for internal clock tree, sub-circuit/state machine, and Serial Audio Port clocking |
PBTL/SCL |
8 |
DI |
Weak Pulldown |
Dual function pin that functions as an I²C clock input terminal in Software Control Mode or configures the device to operate in pre-filter Parallel Bridge Tied Load (PBTL) mode when in Hardware Control Mode |
PGND |
36, 41 |
G |
- |
Ground for power device circuitry (NOTE: This terminal should be connected to the system ground) |
PVDD |
32, 33, 44, 45 |
P |
- |
Power supply for interal power circuitry |
SCLK |
14 |
DI |
Weak Pulldown |
Serial Audio Port Bit Clock. Bit clock for the digital signal that is active on the serial data port's input data line |
SDIN |
15 |
DI |
Weak Pulldown |
Serial Audio Port Serial Data In. Data line to the serial data port |
SFT_CLIP |
1 |
AI |
- |
Sense pin which sets the maximum output voltage before clipping when the soft clipper circuit is active |
SPK_FAULT
|
5 |
DO |
Open-Drain |
Speaker amplifier fault terminal, which is pulled LOW when an internal fault occurs |
SPK_GAIN0 |
10 |
DI |
Weak Pulldown |
Adjusts the LSB of the multi-bit gain of the speaker amplifier |
SPK_GAIN1 |
11 |
DI |
Weak Pulldown |
Adjusts the MSB of the multi-bit gain of the speaker amplifier |
SPK_SLEEP/ADR |
12 |
DI |
Weak Pullup |
In Hardware Control Mode, places the speaker amplifier in sleep mode. In Software Control Mode, is used to determine the I²C Address of the device |
SPK_OUTA- |
40 |
AO |
- |
Negative pin for differential speaker amplifier output A |
SPK_OUTA+ |
42 |
AO |
- |
Positive pin for differential speaker amplifier output A |
SPK_OUTB- |
37 |
AO |
- |
Negative pin for differential speaker amplifier output B |
SPK_OUTB+ |
35 |
AO |
- |
Positive pin for differential speaker amplifier output B |
SPK_SD
|
6 |
DI |
- |
Places the speaker amplifier in shutdown |
VCOM |
3 |
P |
- |
Bias voltage for internal PWM conversion block |
PowerPAD™ |
- |
G |
- |
Provides both electrical and thermal connection from the device to the board. A matching ground pad must be provided on the PCB and the device connected to it via solder. For proper electrical operation, this ground pad must be connected to the system ground. |