F-tone Networks Unbalanced analog audio optical transceiver is a single chip stereo analog data fiber optical converter that uses bit-stream converter (ADC) technology. The low power consumption and low voltage requirements make the device ideal for use in low-voltage and low-power portable data and audio devices.
Audio Specification 
● Full-size output sine wave, 997 Hz; MCLK = 12.288 MHz. Fs basic probability mode = 48 kHz, SCLK = 3.072 MHz, 
● Measurement bandwidth 10hz to 20khz; Fs is high rate mode = 96 kHz,
Features
Multi-format output interface
● Compatible with I2S bus and MSB format 
● Serial output up to 24 bits.
Advanced Audio Configuration
● Stereo single - end input configuration 
● High linearity, dynamic range and low distortion.
General Functions and Features 
● Supports 1 to 32 channels of unbalanced analog audio forward/bidirectional transmission 
● Using FPGA, digital coding/decoding and clock recovery technology, high integration and high stability 
● Single and multi-mode compatible, multi-mode transmission distance 1KM, single-mode transmission distance 20KM, customized transmission distance of up to 100KM 
● LED status indicator to monitor the running status of the device 
● Plug and play, no setup required 
● Devices are used in pair. Note that devices are distinguished between transmitter and receive
Technical Indexes
| Fiber index | |
| Wavelength | 1310nm&1470nm~1610nm(selection is based on device function) | 
| Tx power | >-7db | 
| Rx sensitivity | >-24db | 
| Fiber connector | FC(SC,ST,LC, optional) | 
| Audio index | |
| Dynamic bandwidth | 96dB | 
| Total harmonic distortion (THD) | -88dB | 
| Signal-to-noise ratio | -88dB | 
| Signal-to-noise ratio(S/N) | -82dB | 
| Sampling frequency | 48kHz | 
| Audio A/D sampling | 24 Bit | 
| Frequency response | 10~20kHz | 
| Gain mismatch between channels | 0.1dB | 
| Gain error | ±5% | 
| Gain drift | 100 ppm/°C | 
| Amplitude-frequency characteristic | ≤±0.5 dB | 
| Audio input/output impedance | 600 Ω balance | 
| Audio maximum input/output voltage | 0~2V | 
| Operating index | |
| Operating temperature | -20 to 70°C | 
| Storage temperature | -40 to 80°C | 
| Relative humidity | 5 to 95%(non-condensing) | 
| Working life | >100,000hours | 
| Power supply mode | |
| Desktop | DC 5V | 
| Rack-mounted | AC 110~240V 50/60Hz | 
注:本产品有全国产化型号可选
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.

 
  
  
  
  
 