
Overview
The STA311B is an audio Interface IC made by STMicroelectronics in a QFN-56-EP(8x8) package with 57 pins. 3V~3.6V QFN-56-EP(8x8) Audio Interface ICs ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:STA311B, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-56_L8.0-W8.0-P0.50-BL-EP4.4, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C1535572).
Symbol
Footprint
Parameters
6- Features
- Built-in phase-locked loop, Multi-channel audio, On-chip digital gain, Mute control
- Interface
- I2S, I2C
- Operating Temperature
- -40℃~+125℃
- Sampling Rate
- 32kHz~192kHz
- Type
- Processor
- Voltage - Supply
- 3V~3.6V
Order codes
1- STA311BLCSC C1535572
Pinout
57| Pin | Name | Type |
|---|---|---|
| 1 | MVO | Unspecified |
| 2 | RES | Unspecified |
| 3 | VDD | Unspecified |
| 4 | GND | Unspecified |
| 5 | SDI_78 | Unspecified |
| 6 | SDI_56 | Unspecified |
| 7 | SDI_34 | Unspecified |
| 8 | SDI_12 | Unspecified |
| 9 | LRCKI | Unspecified |
| 10 | BICKI | Unspecified |
| 11 | VDD | Unspecified |
| 12 | GND | Unspecified |
| 13 | RESET | Unspecified |
| 14 | RES | Unspecified |
| 15 | SA | Unspecified |
| 16 | SDA | Unspecified |
| 17 | SCL | Unspecified |
| 18 | XTI | Unspecified |
| 19 | NC | Unspecified |
| 20 | GNDA | Unspecified |
| 21 | VDD | Unspecified |
| 22 | CKOUT | Unspecified |
| 23 | GND | Unspecified |
| 24 | VDD | Unspecified |
| 25 | OUT8B | Unspecified |
| 26 | OUT8A | Unspecified |
| 27 | OUT7B | Unspecified |
| 28 | OUT7A | Unspecified |
| 29 | OUT6B | Unspecified |
| 30 | OUT6A | Unspecified |
| 31 | VDD | Unspecified |
| 32 | GND | Unspecified |
| 33 | OUT5B | Unspecified |
| 34 | OUT5A | Unspecified |
| 35 | OUT4B | Unspecified |
| 36 | OUT4A | Unspecified |
| 37 | OUT3B | Unspecified |
| 38 | OUT3A | Unspecified |
| 39 | VDD | Unspecified |
| 40 | GND | Unspecified |
| 41 | OUT2B | Unspecified |
| 42 | OUT2A | Unspecified |
| 43 | OUT1B | Unspecified |
| 44 | OUT1A | Unspecified |
| 45 | EAPD | Unspecified |
| 46 | VDD | Unspecified |
| 47 | GND | Unspecified |
| 48 | BIKO | Unspecified |
| 49 | LRCKO | Unspecified |
| 50 | SDO_12 | Unspecified |
| 51 | SDO_34 | Unspecified |
| 52 | VDD | Unspecified |
| 53 | GND | Unspecified |
| 54 | SDO_56 | Unspecified |
| 55 | SDO_78 | Unspecified |
| 56 | PWDN | Unspecified |
| 57 | EP | Unspecified |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/st/STA311B" title="STA311B in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/st/STA311B.jpg" alt="STA311B" width="1200" height="900">[](https://pcbkit.io/parts/st/STA311B)Questions
Is there a KiCad symbol and footprint for the STA311B?
Yes. The symbol is EasyEDA_Cloud:STA311B and the footprint EasyEDA_Cloud:QFN-56_L8.0-W8.0-P0.50-BL-EP4.4, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the STA311B?
QFN-56-EP(8x8), with 57 pins. Its footprint is drawn on this page.
Where is the STA311B datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the STA311B?
JLCPCB lists it as part C1535572, with 0 in stock; the sellers' links on this page open their listings.