EWM104-BT3040 (DAC) Module audio Bluetooth avec sortie DAC. Puce Qualcomm QCC3040. Prise en charge des formats audio haute qualité aptX/aptX-LL/aptX-AD/aptX-HD/AAC/SBC
[Solution de puce]：QCC3040
[Interface de sortie]：DAC
[Interface de communication]：USB
[Distance de communication]：220 m
[Dimensions]：13 x 18 mm
[Poids]：1,0 ± 0,1 g
[Introduction]：Le EWM104-BT3040 (DAC) est un module audio Bluetooth LE 5.2 hautes performances, basse consommation et économique d'Ebyte. Utilisant la puce QCC3040 de Qualcomm, ce module intègre un processeur Bluetooth, audio et d'application programmable. Il comprend des codecs audio analogiques et numériques hautes performances, des pilotes de casque de classe AB et de classe D, une gestion avancée de l'alimentation, des protocoles d'interface flexibles et des entrées/sorties programmables (PIO).
Magasin officiel| Main parameters | Description | Note |
| Reference distance | 220m | Open area, sunny weather. |
| Crystal frequency | 32MHz | |
| Package | SMD type | |
| EWM104-BT3040(DAC)Output interface | DAC | |
| EWM104-BT3040(I2S)Output interface | I2S | |
| Communication interface | USB | |
| interface method | Stamp hole | The spacing is 1.00mm |
| Dimensions | 13*18mm | ±0.2mm |
| Antenna interface | Stamp hole | The equivalent impedance is about 50Ω |
| weight | 1.0g | ±0.1g |
| Main parameters | Performance | Note | |||
| Minimum | Typical values | Maximum | |||
| Operating voltage VCHG(V). | 4 | 5 | 6.5 | Above 6.5V carries the risk of permanently burning the module | |
| Operating voltage VBAT(V). | 3 | 3.7 | 4.6 | Above 4.6V carries the risk of permanently burning the module | |
| Communication level (V). | 1.8 | 3.3 | 3.6 | The level is determined by the VDD_PADS1 and VDD_PADS3 levels | |
| Operating temperature (°C). | -40 | 20 | 85 | Industrial-grade design | |
| Operating frequency band (MHz). | 2402 | - | 2480 | Support Bluetooth protocol standard frequency band | |
| Power consumption | Emission current (mA). | 40 | - | 48 | |
| Shutdown current (uA). | - | 150 | - | When VBAT is powered only | |
| Maximum transmit power (dBm). | - | 9 | 10 | ||
| Receive sensitivity (dBm). | - | -96 | - | BER | |