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Voice Playback IC

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OTP Voice Chip

Part NumberAdvantageAvailable CapacityVoice Quality Audio OutputCustomized Function
WTN6040OTP40SHighDAC/PWMCustomizable
WTN6096OTP96SHighDAC/PWMCustomizable
WTN6170OTP170SHighDAC/PWMCustomizable
WTN6040-8S

WTN6 Series

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Features

  1. Working voltage: DC 2.4 ～ 5.2V
  2. Stand-by power consumption: <5uA
  3. Audio Output: DAC/PWM
  4. Interface: pulse counting, one-line serial port, two-line serial port
  5. Volume: support 16 level volume adjustment function
  6. 224 segments of speech can be loaded(can be customized for more segments)
  7. support multiply segments playing simultaneously
  8. support customizing functions

Specification

  1. Interface: pulse counting, one-line serial port, two-line serial port
  2. Size: 4.9 x 6.0 x 1.75 mm
  3. Capacity: 40S/96S/170S
  4. Voltage: DC 2.4 – 5.2 V
  5. Working Temperature: -20 to + 75 °C

Chips Package

  • SOP8/DIP8

Application

Recordable greetingi cards, telephone exchanges, recording machine cores, security equipment, toys, etc.

Programmable Sound Chips WT2003H Series

Part NumberDecode
Format		PowerOutputSupport
external		extension functionControl
Method		Working
Temperature
WT2003H0-16SMP3
WAV		2uA
5mA		0.5W_PWM
16bit_DAC		U disk/Flash60mA LED Drive
keyboard/10bit AD		1 line
2 line
UART
SPI
I2C
I2S
IR
press button		-40 to +85 C
WT2003H0-24SS2uA
5mA		0.5W_PWM
16bit_DAC		U disk/Flash
TF card		60mA LED Drive
keyboard/10bit AD		-40 to +85 C
WT2003H4-16S2uA
5mA		0.5W_PWM
16bit_DAC		PC Mode/U disk
Flash/TF card		60mA LED Drive
keyboard/10bit AD
built-in 300S voice		-40 to +85 C
WT2003H4-24SS2uA
5mA		0.5W_PWM
16bit_DAC		PC Mode/U disk
Flash/TF card		60mA LED Drive
keyboard/10bit AD
built-in 300S voice		-40 to +85 C
WT2003T2-20N
small size: 3x3mm		2uA
5mA		0.5W_PWM
16bit_DAC		Flash60mA LED Drive
keyboard/10bit AD
built-in 20S voice		-40 to +85 C
WT2003HP8-32N
small size: 4x4mm		2uA
5mA		0.5W_PWM
16bit_DAC		PC Mode/U disk
Flash/TF card		60mA LED Drive
keyboard/10bit AD
built-in 900S voice		-40 to +85 C
WT2003D-32N
small size: 4x4mm		5uA
20mA		16bit_DACPC Mode/U disk
Flash/TF card		30mA LED Drive
keyboard/10bit AD		-40 to +85 C
WT2003HX-16S One-line Serial Port

WT2003H Series

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Features

  1. Working voltage: DC 2.4 ～ 5.2V
  2. Stand-by power consumption: <5uA
  3. Audio Output: DAC/PWM
  4. Interface: pulse counting, one-line serial port, two-line serial port
  5. Volume: support 16 level volume adjustment function
  6. 224 segments of speech can be loaded(can be customized for more segments)
  7. support multiply segments playing simultaneously
  8. support customizing functions

Specification

  1. Interface: pulse counting, one-line serial port, two-line serial port
  2. Size: 4.9 x 6.0 x 1.75 mm
  3. Capacity: 40S/96S/170S
  4. Voltage: DC 2.4 – 5.2 V
  5. Working Temperature: -20 to + 75 °C

Chips Package

  • SOP8/DIP8

Application

Recordable greetingi cards, telephone exchanges, recording machine cores, security equipment, toys, etc.

Programmable Sound Chips WT588F Series

Part NumberAdvantageAvailable CapacityVoice QualityAudio OutputCustomized Function
WT588E02B-8S Voice content can be erased and
functions can be defined.		170 secondsGoodDAC/PWMHigh exploitability.
WT588F02A-8SVoice content can be erased and
functions can be defined.		170 secondsGoodDAC/PWMHigh exploitability.
WT588F02B-8SVoice content can be erased and
functions can be defined.		170 secondsGoodDAC/PWMHigh exploitability.
WT588F08A-8SErasable, the user can program
and download by himself.		680 secondsGoodDAC/PWMHigh exploitability.
WT588F02A-16SVoice content can be erased
and functions can be defined.		170S~3HGoodDAC/PWMHigh exploitability.
WTN6040F-8Serasable, function customizable,
(planned)		40SGoodDAC/PWMCustomizable.
WTN6-MASKCost advantage, production
cycle in one month		40~170SHighPWMCustomizable.
WTN1Cost advantage, short seconds.10~40SHighDAC/PWMNot customizable
WT588S/HXX-16SSingle chip, large capacity, low
cost, Flash type.		320~1280SHighDAC/PWMNot customizable
WT588F02A-16S

WT588F Series

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Features

  1. Working voltage: DC 2.4 ～ 5.2V
  2. Stand-by power consumption: <5uA
  3. Audio Output: DAC/PWM
  4. Interface: pulse counting, one-line serial port, two-line serial port
  5. Volume: support 16 level volume adjustment function
  6. 224 segments of speech can be loaded(can be customized for more segments)
  7. support multiply segments playing simultaneously
  8. support customizing functions

Specification

  1. Interface: pulse counting, one-line serial port, two-line serial port
  2. Size: 4.9 x 6.0 x 1.75 mm
  3. Capacity: 40S/96S/170S
  4. Voltage: DC 2.4 – 5.2 V
  5. Working Temperature: -20 to + 75 °C

Chips Package

  • SOP8/DIP8

Application

Recordable greetingi cards, telephone exchanges, recording machine cores, security equipment, toys, etc.

MP3 Sound Recorder Chip

Part NumberDecode
Format		PowerOutputSupport
external		Sample RateControl
Method		Working
Temperature
WT2605X-16SMP3
WAV		10uA
20mA		16bit_DACPC Mode
USB/Flash/TF		16 bit ADC 8-48K HZ1 line 2 line
SPI / press button
UART / SPI
I2C / I2S / press button

Support recording
and serial ports
output simultaneously

Support file-reading		-40 to +85 C
WT2605X-24SSMP3
WAV		10uA
20mA		16bit_DACPC Mode
USB/Flash/TF		16 bit ADC 8-48K HZ-40 to +85 C
WT2605X-28SSMP3
WAV		10uA
20mA		16bit_DACPC Mode
USB/Flash/TF		16 bit ADC 8-48K HZ-40 to +85 C
WT2605XA-32N
(small size: 4x4mm)		MP3
WAV		5uA
6mA		24bit_DACPC Mode
USB/Flash/TF		24 bit ADC 8-48K HZ-40 to +85 C
WT2605XB-32N
(small size: 4x4mm)		MP3
WAV		5uA
6mA		24bit_DACPC Mode
USB/Flash/TF		24 bit ADC 8-48K HZ-40 to +85 C
WT2000D-32N
(small size: 4x4mm)		MP3
WAV		10uA
20mA		0.5W_PWM
16bit_DAC		PC Mode
USB/Flash/TF		16 bit ADC 8-48K HZ-40 to +85 C
WT2000H4-16SMP3
WAV		2uA
5mA		0.5W_PWM
16bit_DAC		PC Mode
USB/Flash/TF		16 bit ADC 8-24K HZ
Internal 70s recording memory		-40 to +85 C
WT2000H4-24SSMP3
WAV		2uA
5mA		0.5W_PWM
16bit_DAC		PC Mode
USB/Flash/TF		16 bit ADC 8-24K HZ
Internal 70s recording memory		-40 to +85 C
WT2000HP8-32N
(small size: 4x4mm)		MP3
WAV		2uA
5mA		0.5W_PWM
16bit_DAC		PC Mode
USB/Flash/TF		16 bit ADC 8-24K HZ
Internal 210s recording memory		-40 to +85 C
WT2605-24SS

WT2605X Series

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Audio Characteristics

  1. Audio codec with 16-bit, 24-bit DAC and 16-bit, 24-bit ADC.
  2. Support audio equalizer adjustment.
  3. Support sampling rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz.
  4. 96dB SNR high performance audio DAC and 90dB SNR ADC.

Recording Function

  1. It can realize MIC recording and AUX recording
  2. The recorded data can be stored in U disk, TF card or SPI FLash, SPI FLash. Support file management, which can realize file index recording, file name recording and other functions.
  3. Access and interact with external devices through the UART interface, the format of the recording file is MP3 format.
  4. Functions such as button recording can be customized. For details, please refer to the program manual.

Recording upload scheme

  • The WT2605X chip supports the recording and uploading function, and the recording data supports connection through UART. The real-time output of the interface is convenient for users to operate the audio data (such as uploading to the server, or applications such as speech recognition).
  • At the same time, the recorded data can also be stored in the local memory, which can be selected as SPI Flash or TF card, U disk as storage.
  • The audio file format supports MP3 or WAV.

Chip Package

  • SOP16、TSSOP24、TSSOP28 、QFN32 (4*4mm)
  • Different recording products can choose different package size chips.

Application

  • Fire safety recording, elevator safety long-term recording, voice recorder, meeting office recording, Fire broadcast system, wireless walkie-talkie recording, etc.
WT2000H-16S

WT2000HX Series

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Features

  1. Support high-quality recording, recording sampling supports 8K\12K\16K\20K\24K
  2. Support voice high-quality audio format decoding and playback (8kbps~320kbps) with beautiful sound
  3. Built-in 0.5W class D power amplifier, adjustable volume, volume level 32
  4. Digital audio stream, IIS supports master and slave mode; an IIC controller
  5. An infrared remote control decoder
  6. 16 bit high precision ADC, 16 bit high precision DAC
  7. Power IO drive capability, up to 64mA can be directly driven.。

Storage method

  • WT2000HX-16S have two types: WT2000H0-16S and WT2000H4-16S
  • WT2000H4-16S supports saving recording data to internal Flash, the maximum support
  • Supports 100S recording, and also supports external SPI Flash; WT2000H0-16S only Support internal SPI Flash recording, maximum support internal 128Mbit Flash.

Flexible control mode

  • Support one-line serial communication
  • SPI serial communication
  • key control

Chip Packaging

  • SOP16、TSSOP24、QFN32 (4*4mm)
  • Different recording products can choose different package size chips.

Application

  • Recording greeting cards, recording extrusion and fire safety recording, elevator safety long-term recording, recording sound pen, conference office recording, fire broadcasting system, wireless walkie-talkie recording, etc.

Voice Recorder IC

Part NumberDecode FormatPowerOutputSupport externalSample RateControl Method
WT588F02A-16SADPCMDormant: 5uA
Working: 5mA		0.5W_PWM
16bit_DAC		Flash12 bit ADC 8-16K HZ
Internal 70s recording memory		one line
two line
SPI / push button
WT588F02A-16S

WT588F02A-16S

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Features

  1. working voltage: 2.0V – 5.5V
  2. Automatically enter sleep mode when not working. Sleep current: 5ua
  3. The button function ：long press to record, short press and short button to play, long press and short button to loop play, Long press to keep non-looping playback ，support serial port control
  4. The built-in amplifier can directly push the speaker, 0.5 W/8ohm
  5. With recording and playback prompt function they busy pin can be connected to LED display
  6. Sampling frequency 16KHz, bit rate support 12kbps, default for standard key functions ), 24kbps
  7. Recording duration: 70S at 12kbps bit rate; 16kbps 50S 16 kbps 30S in 24kbps

Chips Package

  • SOP16

Application

Recordable greetingi cards, telephone exchanges, recording machine cores, security equipment, toys, etc.

Bluetooth Voice Recorder IC (industiral grade)

Part NumberDecode
Format		PowerOutputSupport
external		Bluetooth
Version		Control
Method		Working
Temperature
WT2605-16SMP3
WAV
WMA
AAC
SBC
MSBC		10uA
20mA		16bit_DAC
mono channel		PC Mode
USB/Flash/TF		5.0
Dual Mode		UART
I2C / I2S / press button

support bluetooth
recording and
serial port output

support reading file
from serial port

can be applied to
custom applications		-40 to +85 C
WT2605-24SS10uA
20mA		16bit_DAC
dual channel		PC Mode
USB/Flash/TF		5.0
Dual Mode		-40 to +85 C
WT2605-28SS10uA
20mA		16bit_DAC
dual channel		PC Mode
USB/Flash/TF		5.0
Dual Mode		-40 to +85 C
WT2605A-32N
(small size: 4x4mm)		5uA
6mA		24bit_DAC
dual channel		PC Mode
USB/Flash/TF/LED		5.0
Dual Mode		-40 to +85 C
WT2605B-32N
(small size: 4x4mm)		5uA
6mA		24bit_DAC
dual channel		PC Mode
USB/Flash/TF/LED		5.0
Dual Mode		-40 to +85 C
WT2605-48L5uA
8mA		24bit_DAC
dual channel		PC Mode
USB/Flash/TF/LED		5.0
Dual Mode		-40 to +85 C
WT2605-24SS

WT2605X Series

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Features

  1. Audio codec with 16-bit, 24-bit DAC and 16-bit, 24-bit ADC.
  2. Support audio equalizer adjustment.
  3. Support sampling rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz up to the bit rate can be 384KBPS.
  4. 96dB SNR high performance audio DAC and 90dB SNR ADC.
  5. With recording and playback prompt function they busy pin can be connected to LED display
  6. Sampling frequency 16KHz, bit rate support 12kbps, default for standard key functions ), 24kbps
  7. Recording duration: 70S at 12kbps bit rate; 16kbps 50S 16 kbps 30S in 24kbps

Recording function

  • It can realize MIC recording and AUX recording, direct recording of mobile phone voice and call recording
  • The recorded data can be stored in U disk, TF card or SPI FLash, SPI FLash. Support file management, can realize file index recording, file name recording and other functions

Chip Packaging

  • SOP16、TSSOP24、QFN32 (4*4mm)
  • Different recording products can choose different package size chips.

Application

  • Fire safety recording, elevator safety long-term recording, voice recorder, meeting office recording, Fire broadcast system, wireless walkie-talkie recording, etc.

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