3.2.1 Audio Performance

This section provides characteristics of the internal codec in the IS2083BM device.

Table 3-1. Test Conditions
Parameter (Condition)Value
FS48 kHz
Analog gain setting for ADC0 dB
Digital gain setting for ADC0 dB
Analog gain setting for DAC-3 dB
Digital gain setting for DAC0 dB
Figure 3-4. ADC Signal Quality – THD
Note: Analog Gain = 0 dB, Digital Gain = 0 dB, Sweep Vin= -60 dbV to 5 dbV @ 1 kHz.
Figure 3-5. ADC Signal Quality – THD+N
Note: Analog Gain = 0 dB, Digital Gain = 0 dB, Sweep Vin= -60 dbV to 5 dbV @ 1 kHz.
Figure 3-6. ADC Dynamic Range
Note: Analog Gain = 0 dB, Digital Gain = 0 dB, Sweep Vin= -100 dbV to 5 dbV @ 1 kHz.
Figure 3-7. ADC Frequency Response
Note: Analog Gain = 0 dB, Digital Gain = 0 dB Sweep Fin= 20 Hz to 20 kHz @ -3 dbV.
Figure 3-8. ADC Crosstalk – Line-In
Note: Analog Gain = 0 dB, Digital Gain = 0 dB Sweep Fin= 20 Hz to 20 kHz @ -3 dbV.
Figure 3-9. ADC Crosstalk – Mic-in
Note: Analog Gain = 0 dB, Digital Gain = 0 dB Sweep Fin= 20 Hz to 20 kHz @ -3 dbV.
Figure 3-10. DAC Signal Quality – THD (Single-ended)
Note: Analog gain = -3 dB, digital gain = 0 dB, sweep Vin = -60 dBFS to 0 dBFS @ 1 kHz.
Figure 3-11. DAC Signal Quality – THD (Capless)
Note: Analog gain = -3 dB, digital gain = 0 dB, sweep Vin = -60 dBFS to 0 dBFS @ 1 kHz.
Figure 3-12. DAC Signal Quality − THD+N (Single-ended)
Note: Analog gain = -3 dB, digital gain = 0 dB, sweep Vin = -60 dBFS to 0 dbFS @ 1 kHz.
Figure 3-13. DAC Signal Quality − THD+N (Capless)
Note: Analog gain = -3 dB, digital gain = 0 dB, sweep Vin = -60 dBFS to 0 dBFS @ 1 kHz.
Figure 3-14. DAC Dynamic Range (Single-ended)
Note: Analog gain = 3 dB, digital gain = 0 dB, sweep Vin = -100 dBFS to 0 dBFS @ 1 kHz.
Figure 3-15. DAC Dynamic Range (Capless)
Note: Analog gain = 3 dB, digital gain = 0 dB, sweep Vin = -100 dBFS to 0 dBFS @ 1 kHz.
Figure 3-16. DAC Frequency Response (Single-ended)
Note: Analog gain = -3 dB, sweep fin = 20 Hz to 20 kHz @ -3 dBFS.
Figure 3-17. DAC Frequency Response (Capless)
Note: Analog gain = -3 dB, sweep fin = 20 Hz to 20 kHz @ -3 dBFS.
Figure 3-18. DAC Crosstalk (Single-ended)
Note: Analog gain = -3 dB, sweep fin = 20 Hz to 20 kHz @ -3 dBFS.
Figure 3-19. DAC Crosstalk (Capless)
Note: Analog gain = -3 dB, sweep fin = 20 Hz to 20 kHz @ -3 dBFS.