维霖通(上海)通信技术有限公司 Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd WLT3266 Dual mode bluetooth module Product specification V1.2 2019-07-01www.wi-linktech.
维霖通(上海)通信技术有限公司 Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd 1 2 3 4 5 6 Index 3 1.1 Functional characteristics........................................................................................3 1.2 Application area.......................................................................................................3 Electrical characteristics............................................................................................................4 2.1 Basic characteristics.........
维霖通(上海)通信技术有限公司 Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd 1 Summary WLT3266 is an audio Bluetooth module developed by WLT , and a single chip audio Bluetooth solution based on BK3266.Audioprotocol stack with built-in Bluetooth and various applications profile, It can easily realize the interconnection, data transmission, voice, music and other applications of the user's Bluetooth device 1.
维霖通(上海)通信技术有限公司 Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd 2 Electrical characteristics 2.1 Basic characteristics VCC4BAT Battery regulator supply voltage -0.3 - 4.2 Unit V VCC5USB USB power supply voltage 4.75 - 5.75 V - 10 - dBm -40 - 150 °C Parameter RX TSTR Min Description RX Input power Storage temperature range TYP Max table 1. Absolute maximum Min Battery regulator supply voltage TYP Max VCC4BAT 2.8 3.6 4.2 Unit V VCC5USB USB power supply voltage 4.
维霖通(上海)通信技术有限公司 Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd 2.2 Radio frequency performance 2402~2480 Min 2402 RXSENS-1 Mbps BER=0.001 - -88 - dBm RXSENS-2 Mbps BER=0.0001 - -91 - dBm RXSENS-3 Mbps BER=0.0001 - -83 - dBm Maximum received signal BER=0.001 0 - - dBm - 8 - dBm 30 - - dBm Parameter Condition Operate Frequency Maximum RF transmit power RF Power Control Range TYP - Max 2480 Unit MHz table 4.Radio frequency performance 2.
维霖通(上海)通信技术有限公司 Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd 3 Hardware introduction 3.1 Functional block diagram figure 1. WLT3266Block diagram of the module WLT3266 There are two main parts inside the module： 1. Bluetooth part：Contains the Bluetooth chip BK3266，2.4GHzPCB Antenna and external interface. 2.
维霖通(上海)通信技术有限公司 Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd 3.2 Module size and pin arrangement figure2. WLT3266Module Dimensions (Front) figure3. WLT3266Module thickness 2019-07-01www.wi-linktech.
维霖通(上海)通信技术有限公司 Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd 3.
维霖通(上海)通信技术有限公司 Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd figure 4. Description of 26-Pin Package 2019-07-01www.wi-linktech.
维霖通(上海)通信技术有限公司 Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd 3.4Reference design Figure 5. Reference design Note: GPIO14 as amplifier enable pin, high level effective. When the customer uses the audio power amplifier, the GPIO14 needs to be connected to the enable pin of the chip. Refer to figure 6 below: WLT3266 Amplifier GPIO14 EN Figure 6. GPIO14 Reference design 2019-07-01www.wi-linktech.
维霖通(上海)通信技术有限公司 Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd 4 PCB Design 4.1 Recommended weld plate size figure 7. WLT3266Package size reference 4.2 PCB layout Matters needing attention Bluetooth is working 2.4GHz under the frequency, Should try to avoid the impact of various factors on the wireless transceiver, pay attention to the following points: 1.
维霖通(上海)通信技术有限公司 Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd 5 Reflux parameter recommendation Reflow parameters can refer to the following settings: figure 8. Reflow recommended curve Temperature range Time Key parameters Preheat zone(<150℃) 60-120S Ramp up rate:≤2S Uniform temperature zone(150-200℃) 60-120S Ramp up rate:<1S Recirculation zone(>217℃) 40-60S Peak:240-260℃ Cooling zone Ramp down rate:1℃/s≤Slope≤4℃/s table 7. Reflow recommended parameters 2019-07-01www.wi-linktech.
维霖通(上海)通信技术有限公司 Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd 6 Software application WLT3266 is an audio Bluetooth module that supports Audio Codec. The module integrates audio Bluetooth protocol stack, supports a variety of traditional Bluetooth applications and Bluetooth low energy applications. For example: HFP, A2DP, AVRCP and so on.
维霖通(上海)通信技术有限公司 Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd FCC Radiation Exposure Statement This modular complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be colocated or operating in conjunction with any other antenna or transmitter.
维霖通(上海)通信技术有限公司 Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd Additional testing， Part 15 subpart B disclaimer The final host / module combination need to be evaluated against the FCC Part 15B criteria for unintentional radiators in order to be properly authorized for operation as a Part 15 digital device .
维霖通(上海)通信技术有限公司 Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd ISED RSS Warning/ISED RF Exposure Statement ISED RSS Warning: This device complies with Innovation, Science and Economic Development Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
