WT2605 DAC Blue tooth Dual Channel LED Controller Driver Voice Chip with Button Electronic Components Integrated Dircuit IC Chip
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- Supplier: Guangzhou Waytronic Electronics Co. Ltd.
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Product Overview
Description
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Product Description
Description
WT2605 chip is specially designed for audio Bluetooth applications. It is a high-quality MP3 audio codec Bluetooth chip developed by Shenzhen Waytronic Electronics Co., Ltd. It contains a powerful DSP (Digital Signal Processor) core, which can access and interact with external devices through UART interface, and is easy to operate. The built-in analog interface of the chip provides users with high-quality audio input and output, and the peripheral interfaces are abundant, which can meet the needs of different users.
MCU and Advanced Feature
CPU Feature
* 32-bit high-performance CPU with DSP instruction, clocked at 120MHz.
Clock and Crystal Oscillator
* External 26MHz crystal oscillator
* Three 32-bit universal timers
* 1 main system watchdog
* Three 32-bit universal timers
* 1 main system watchdog
Advanced Peripheral Interface
* GPIO has built-in pull-up and pull-down resistors, which can be mapped to functIOnal io
* GPIO supports wake-up interrupts
* 1 full duplex UART
* 1 SPI
* 1 IR controller
* 1 SD card host controller
* 1 full-speed USB2.0 HOST/DEVICE controller
* Built-in PMU power management unit
Bluetooth Radio Frequency Characteristics
Transmitting Terminal | Unit | Minimum | Typical Value | Maximum | Bluetooth Specification |
Radio Frequency Output Power | dBm | 0 | 3 | 5 | -6~5 |
Frequency Range | GHz | 2.4 | - | 2.4835 | 2.4~2.5 |
Initial Carrier Frequency Tolerance | KHz | -50 | -20 | 50 | -75~75 |
Carrier Frequency Drift | KHz/50us | - | 2 | 20 | <=20 |
Sensitivity | dBm | -80 | -75 | -70 | <=-70 |
Maximum Received Signal | dBm | -20 | -10 | - | >=-20 |
Dedicated Solution
WT2605 chip supports standard audio Bluetooth function. As an outstanding audio chip in the industry, WT2605 has ADC and DAC peripherals with high signal-to-noise ratio, and the resolution is as high as 16bit. At the same time, it has the functions of standard UART, key-controlled playback, etc., and can store audio files by external memory such as U disk, TF card, SPI Flash, etc. SPI FLash supports file management, and can realize the functions of file index playback and file name playback, etc. Support standard MP3, WAV audio file playback and Bluetooth playback, and can also decode and play APE, FLAC and other audio files (customized). Please refer to the scheme specification and schematic diagram for details.
Standard Recording Scheme
WT2605 chip supports recording function, which can realize MIC recording, AUX recording and audio Bluetooth recording. The recorded data can be stored in U disk, TF card or SPI Flash. SPI Flash supports file management, and can realize functions such as file index recording and file name recording. Access and interact with external devices through UART interface, and the format of recording file is MP3 format. Customizable key recording and other functions. Please refer to the scheme specification and schematic diagram for details.
Remote Download Scheme
WT2605 chip supports remote download function. By supporting 4G or WiFi module, audio data on the server can be transmitted to the local memory, so as to realize the audio file upgrade function and facilitate users to change and play voice conveniently. 4G/WiFi module and WT2605 chip use UART as data transmission and interactive interface. Audio files can be upgraded to SPI Flash or TF card. Audio file formats support MP3 and WAV. Please refer to the scheme specification and schematic diagram for details.
Streaming Media Scheme
WT2605 chip supports streaming media function. MP3 audio data can be decoded and played by UART. Audio decoding supports 32~320kbps, with built-in 8KB buffer space. The data sent each time cannot exceed 8KB, and the next packet of data will be sent after the audio data is decoded. Please refer to the scheme specification and schematic diagram for details.
Real-time Intercom Scheme
WT2605 chip supports real-time intercom function. It can encode the sound collected by MIC into MP3 audio data and output it through UART, or receive MP3 audio data for decoding and playing through UART. The communication mode is half duplex, that is, the audio data collected by MIC cannot be decoded and played (decoding and encoding cannot work at the same time). Please refer to the scheme specification and schematic diagram for details.
Package SSP16-Description of PIN
PIN | Name | Type | Description |
1 | BT_ANT | BT | Bluetooth antenna |
2 | OSCI | A | 26M OSC input |
3 | OSCO | A | 26M OSC output |
4 | USBDM/RX | I/O | USB DM |
I/O | UART RX | ||
5 | USBDP/TX | I/O | USB DP |
I/O | UART TX | ||
6 | SDCLK/SPICLK | I/O | SD card clock |
I/O | SPI Flash clock | ||
7 | SDCMD/SPICS | I/O | SD card selection |
I/O | SPI Flash chip selection | ||
8 | MIC+/AUX_L/ SDDAT/SPIDO | I/O | MIC positive input |
I/O | AUX line input | ||
I/O | SD card data | ||
I/O | SPI Flash data | ||
9 | DACL | O | DAC left channel output |
10 | GND | GND | Earth wire |
11 | NC | NC | Empty foot |
12 | ADKEY/IR | I | Key input |
I | IR input | ||
13 | VDDIO | PWR | 3.3V power output |
14 | VBAT | PWR | VBAT power input |
15 | VDDBT | I/O | Connect 1uf capacitor to ground |
16 | RX/PA5 | I/O | UART1 RX |
GPIO |
Working Condition
Symbol | Description | Minimum | Typical Value | Maximum | Unit |
VBAT | Power supply pin voltage | 3.0 | 3.7 | 5.0 | V |
IVBAT | External power supply current, no load | 25 | - | - | mA |
T | Working temperature | -40 | - | +85 | ℃ |
IO Characteristics
Symbol | Description | Minimum | Typical Value | Maximum | Unit | Condition |
VIL | Input low level | -0.3 | - | 1.27 | V | VDDIO=3.3V |
VIH | Input high level | 2.03 | - | 3.6 | V | VDDIO=3.3V |
Driver | Output drive capability | - | 8 | - | mA | VDDIO=3.3V |
Audio DAC Characteristics
Symbol | Description | Minimum | Typical Value | Maximum | Unit | Condition |
SNR | SNR | -- | 96 | -- | dB | VCM cap = 1uF VDDDAC cap = 1uF With A-WT Filter Output -3dBV Fin = 1KHz |
THD+N | total harmonic distortion | -- | -86 | -- | dB | VCM cap = 1uF VDDDAC cap = 1uF With A-WT Filter Output -3dBV，10K loading Fin = 1KHz |
Output | maximum output voltage | -- | 2.6 | -- | Vpeak-peak | 32ohm loading |
BT Parameter
name | Minimum | Typical Value | Maximum | Unit | Condition |
Maximum transmission power | - | 2 | - | dBm | |
Root mean square deviation | - | 5.5 | - | % | Max TX power 2-DH5 packet |
Peak deviation | - | 12.5 | - | % | |
EDR relative transmission power | - | -0.2 | dB |
Audio ADC Characteristics
Symbol | Description | Minimum | Typical Value | Maximum | Unit | Condition |
SNR | SNR | -- | 90 | -- | dB | VCM cap = 1uF VDDDAC cap = 1uF With A-WT Filter Output -3dBV Fin = 1KHz |
THD+N | total harmonic distortion | -- | -87 | -- | dB | VCM cap = 1uF VDDDAC cap = 1uF With A-WT Filter Output -3dBV，10K loading Fin = 1KHz |
Input Range | Input sine wave peak amplitude | 0 | -- | VCM | V | Aux input, aux 0db gain |
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Q4. Can you produce according to the samples?
A: We can supply the sample if we have ready parts in stock, but customers have to pay the sample cost and the courier cost.
Q5. What is your sample policy?
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