MCP3201
Note: Unless otherwise indicated, VDD = VREF = 5V, VSS = 0V, fSAMPLE = 100ksps, fCLK = 16*fSAMPLE,TA = 25°C
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.0
0.8
0.6
VDD = VREF = 5V
SAMPLE = 100ksps
VDD = VREF = 2.7V
FSAMPLE = 50ksps
F
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
VDD = VREF = 2.7V
SAMPLE = 50ksps
F
VDD = VREF = 5V
FSAMPLE = 100ksps
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature (°C)
Temperature (°C)
FIGURE 2-19: Gain Error vs. Temperature.
FIGURE 2-22: Offset Error vs. Temperature.
100
100
VDD = VREF = 5V
FSAMPLE = 100ksps
90
80
70
60
50
40
30
20
10
0
VDD = VREF = 5V
FSAMPLE = 100ksps
90
80
70
60
50
40
30
20
10
0
VDD = VREF = 2.7V
FSAMPLE = 50ksps
VDD = VREF = 2.7V
FSAMPLE = 50ksps
1
10
100
1
10
100
Input Frequency (kHz)
Input Frequency (kHz)
FIGURE 2-20: Signal to Noise Ratio (SNR) vs. Input
FIGURE 2-23:
Signal to Noise and Distortion
Frequency.
(SINAD) vs. Input Frequency.
0
-10
-20
-30
80
VDD = 5V
FSAMPLE = 100ksps
70
60
50
40
30
20
10
0
-40
VDD = VREF = 2.7V
VDD = 2.7V
F
SAMPLE = 50ksps
-50
-60
FSAMPLE = 50ksps
-70
-80
VDD = VREF = 5V
SAMPLE = 100ksps
-90
F
-100
-40
-35
-30
-25
-20
-15
-10
-5
0
1
10
100
Input Signal Level (dB)
Input Frequency (kHz)
FIGURE 2-21: Total Harmonic Distortion (THD) vs.
FIGURE 2-24:
Signal to Noise and Distortion
Input Frequency.
(SINAD) vs. Input Signal Level.
DS21290B-page 8
Preliminary
1999 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
