LG 9QK DMRS3 User Manual
Model Name : RS3_2.4GHz_NAM-SS01 module
Product Description.
The Module is an OEM module (35x35mm) based on the IA3S4. It is a compressed wireless digital
audio transceiver operating in the 2.4GHz bands. The wireless audio link supports 1 stereo audio
stream and comes together with additional features such as: pairing functionality, seamless and bi-
direction transmission of high quality audio, I2S sampling frequency detection, support Sleep mode,
Programmable end-to-end audio latency, Control Channel ability, support no audio detection, Robust
packet error correction.
SYNIC IA3S4 Integrated Wireless Audio Processor
GFSK digital modulation.
Audio format 16bit, 32/44.1/48KHz sampling rate
2
Digital audio interfaces (I
2
I
C, SPI control interface
26 pins interface connector (FFC).
Support no audio detection function.
Robust packet error correction.
Low power consumption.
Low audio delay time < 20ms
S and/or S/PDIF)
RF Frequency Bandwidth.
2.4GHz: 2400 – 2485MHz
RF Performance.
For 2.4GHz application (VCC=3.3V, 25°C)
Parameter Min Typ. Max Units
RF Frequency Range 2400 2485 MHz
Available channel 39
Transmission Power 5 7 9 dBm
RF Bandwidth 1 MHz
Rx Sensitivity -80 dBm
Antena Diversity ON
Audio Performance.
Item Min Typ Max Unit Note
SNR @ 1Khz -88 dBr
THD+N @ 1KHz -70 dB
Dynamic Range @ 1KHz -85 dBr
Crosstalk @ 1KHz -100 dB
Frequency Response @ 20Hz to 20KHz -3 0 +3 dB
POWER
- Supply Voltage : 3.1V(Min), 3.3V(Typ), 3.5V(Max)
- Peak to Peak Ripple: 100mV(Max)
- Operating Current: 50mA(Typ)
- Operating Temperature : 0°C (Min) , 25°C (Typ) , 55°C (Max)
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