Datasheet

© 2012 Microchip Technology Inc. DS22286A-page 11
MCP3911
2.0 TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, AV
DD
= 3.3V, DV
DD
= 3.3V; T
A
= 25°C, MCLK = 4 MHz; PRESCALE = 1;
OSR = 256; GAIN = 1; Dithering = Maximum; V
IN
= -0.5 dBFS @ 60 Hz, VREFEXT = 0; CLKEXT = 1,
AZ_FREQ = 0; BOOST = 1X.
FIGURE 2-1: Spectral Response.
FIGURE 2-2: Spectral Response.
FIGURE 2-3: THD Histogram.
FIGURE 2-4: Spectral Response.
FIGURE 2-5: Spectral Response.
FIGURE 2-6: SINAD Histogram.
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.
e
ncy of Occurrence
-107.3 -107.1 -107.0 -106.8 -106.7 -106.5 -106.4 -106.2 -106.1 -105.9 -105.8
Frequ
e
Total Harmonic Distortion (-dBc)
n
cy of Occurrence
94.2 94.3 94.5 94.6 94.8 94.9 95.1 95.2 95.4 95.5
Freque
n
Signal-to-Noise and Distortion Ratio (dB)