at TA = 25°C, AVDD = 3.3 V, IOVDD = 3.3 V, fIN = 1-kHz sinusoidal signal, fS = 48 kHz, 32-bit audio data, BCLK = 256 × fS, TDM target mode, PLL on, DRE_LVL = –36 dB, channel gain = 0 dB, and linear phase decimation filter (unless otherwise noted); all performance measurements are done with a 20-kHz, low-pass filter, and an A-weighted filter
Figure 6-5 THD+N vs Input Amplitude With DRE Enabled
Figure 6-7 THD+N vs Input Amplitude With DRE Enabled![PCM6140-Q1 THD+N vs Input Amplitude With DRE Enabled GUID-2FF934B8-8008-4F40-9B44-483037612CF2-low.gif](/ods/images/JAJSSO6/GUID-2FF934B8-8008-4F40-9B44-483037612CF2-low.gif)
Differential input with AVDD = 1.8 V and VREF = 1.375 V |
Figure 6-9 THD+N vs Input Amplitude With DRE Enabled
Figure 6-11 THD+N vs Input Frequency With a –60-dBr Input
Figure 6-13 Input-Referred Noise vs Channel Gain
Figure 6-15 Frequency Response With a –12-dBr Input
Figure 6-17 FFT With Idle Input With DRE Enabled
Figure 6-19 FFT With a –60-dBr Input With DRE Enabled
Figure 6-21 FFT With a –1-dBr Input With DRE Enabled
Figure 6-6 THD+N vs Input Amplitude With DRE Disabled
Figure 6-8 THD+N vs Input Amplitude With DRE Disabled![PCM6140-Q1 THD+N vs Input Amplitude With DRE Disabled GUID-4B96DD2B-F96F-40C0-8D91-E4016D840C06-low.gif](/ods/images/JAJSSO6/GUID-4B96DD2B-F96F-40C0-8D91-E4016D840C06-low.gif)
Differential input with AVDD = 1.8 V and VREF = 1.375 V |
Figure 6-10 THD+N vs Input Amplitude With DRE Disabled
Figure 6-12 THD+N vs Input Frequency With a –1-dBr Input
Figure 6-14 Input-Referred Noise vs Channel Gain
Figure 6-16 Power-Supply Rejection Ratio vs Ripple Frequency With 100-mVPP Amplitude
Figure 6-18 FFT With Idle Input With DRE Disabled
Figure 6-20 FFT With a –60-dBr Input With DRE Disabled
Figure 6-22 FFT With a –1-dBr Input With DRE Disabled