Datasheet

© 2011 Microchip Technology Inc. DS22192D-page 9
MCP3901
2.0 TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, AV
DD
= 5.0V, DV
DD
= 5.0V; T
A
= +25°C, MCLK = 4 MHz; PRESCALE = 1;
OSR = 64; GAIN = 1; Dithering OFF; V
IN
= -0.5 dBFS @ 60 Hz.
FIGURE 2-1: Spectral Response.
FIGURE 2-2: Spectral Response.
FIGURE 2-3: Spectral Response.
FIGURE 2-4: Spectral Response.
FIGURE 2-5: Spectral Response.
FIGURE 2-6: Spectral Response.
Note: The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore, outside the warranted range.
-200
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
0 500 1000 1500 2000
Frequency (Hz)
Amplitude (dB)
f
IN
= -0.5dBFS @ 60 Hz
f
D
= 3.9 ksps
16384 Point FFT
OSR = 256
Dithering ON
-200
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
0 500 1000 1500 2000
Frequency (Hz)
Amplitude (dB)
f
IN
= -60dBFS @ 60 Hz
f
D
= 3.9 ksps
16384 Point FFT
OSR = 256
Dithering ON
-200
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
0 500 1000 1500 2000
Frequency (Hz)
Amplitude (dB)
f
IN
= -0.5dBFS @ 60 Hz
f
D
= 3.9 ksps
OSR = 256
16384 points
Dithering OFF
-200
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
0 500 1000 1500 2000
Frequency (Hz)
Amplitude (dB)
f
IN
= -60dBFS @ 60 Hz
f
D
= 3.9 ksps
16384 Point FFT
OSR = 256
Dithering OFF
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
0 2000 4000 6000 8000
Frequency (Hz)
Amplitude (dB)
f
IN
= -0.5dBFS @ 60 Hz
f
D
= 15.6 ksps
16384 Point FFT
OSR = 64
Dithering OFF
-160
-140
-120
-100
-80
-60
-40
-20
0
0 2000 4000 6000 8000
Frequency (Hz)
Amplitude (dB)
f
IN
= -60dBFS @ 60 Hz
f
D
= 15.6 ksps
16384 Point FFT
OSR = 64
Dithering OFF