SLOS793B September 2012 – September 2015 TPA3112D1-Q1
PRODUCTION DATA.
PIN | TYPE | DESCRIPTION | |
---|---|---|---|
NO. | NAME | ||
1 | SD | I | Shutdown logic input for audio amp (LOW = outputs Hi-Z, HIGH = outputs enabled). TTL logic levels with compliance to AVCC. |
2 | FAULT | O | Open drain output used to display short circuit or DC detect fault status. Voltage compliant to AVCC. Short circuit faults can be set to auto-recovery by connecting FAULT pin to SD pin. Otherwise both the short circuit faults and DC detect faults must be reset by cycling PVCC. |
3 | GND | — | Connect to local ground. |
4 | GND | — | Connect to local ground. |
5 | GAIN0 | I | Gain select least significant bit. TTL logic levels with compliance to AVCC. |
6 | GAIN1 | I | Gain select most significant bit. TTL logic levels with compliance to AVCC. |
7 | AVCC | P | Analog supply |
8 | AGND | — | Analog supply ground. Connect to the thermal pad. |
9 | GVDD | O | High-side FET gate drive supply. Nominal voltage is 7 V. May also be used as supply for PLIMIT divider. Add a 1-μF cap to ground at this pin. |
10 | PLIMIT | I | Power limit level adjust. Connect directly to GVDD pin for no power limiting. Add a 1-μF cap to ground at this pin. |
11 | INN | I | Negative audio input. Biased at 3 V. |
12 | INP | I | Positive audio input. Biased at 3 V. |
13 | NC | — | Not connected |
14 | AVCC | P | Connect AVCC supply to this pin. |
15 | PVCC | P | Power supply for H-bridge. PVCC pins are also connected internally. |
16 | PVCC | P | Power supply for H-bridge. PVCC pins are also connected internally. |
17 | BSP | I | Bootstrap I/O for positive high-side FET. |
18 | OUTP | O | Class-D H-bridge positive output. |
19 | PGND | — | Power ground for the H-bridges. |
20 | OUTP | O | Class-D H-bridge positive output. |
21 | BSP | I | Bootstrap I/O for positive high-side FET. |
22 | BSN | I | Bootstrap I/O for negative high-side FET. |
23 | OUTN | O | Class-D H-bridge negative output. |
24 | PGND | — | Power ground for the H-bridges. |
25 | OUTN | O | Class-D H-bridge negative output. |
26 | BSN | I | Bootstrap I/O for negative high-side FET. |
27 | PVCC | P | Power supply for H-bridge. PVCC pins are also connected internally. |
28 | PVCC | P | Power supply for H-bridge. PVCC pins are also connected internally. |