MCP3201
Note:
Unless otherwise indicated, V
DD
= V
REF
= 5V, V
SS
= 0V, f
SAMPLE
= 100 ksps, f
CLK
= 16*f
SAMPLE
, T
A
= +25°C.
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-50
-25
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
-50
Gain Error (LSB)
V
DD
= V
REF
= 2.7V
F
SAMPLE
= 50 ksps
Offset Error (LSB)
V
DD
= V
REF
= 5V
F
SAMPLE
= 100 ksps
V
DD
= V
REF
= 2.7V
F
SAMPLE
= 50 ksps
V
DD
= V
REF
= 5V
F
SAMPLE
= 100 ksps
-25
0
25
50
Temperature (°C)
75
100
0
25
50
Temperature (°C)
75
100
FIGURE 2-19:
Gain Error vs. Temperature.
FIGURE 2-22:
Temperature.
Offset Error vs.
100
90
80
70
60
50
40
30
20
10
0
1
V
DD
= V
REF
= 5V
F
SAMPLE
= 100 ksps
V
DD
= V
REF
= 2.7V
F
SAMPLE
= 50 ksps
100
90
80
70
60
50
40
30
20
10
0
1
V
DD
= V
REF
= 5V
F
SAMPLE
= 100 ksps
SINAD (dB)
SNR (dB)
V
DD
= V
REF
= 2.7V
F
SAMPLE
= 50 ksps
10
Input Frequency (kHz)
100
10
Input Frequency (kHz)
100
FIGURE 2-20:
Signal-to-Noise Ratio (SNR)
vs. Input Frequency.
FIGURE 2-23:
Signal-to-Noise and
Distortion (SINAD) vs. Input Frequency.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
1
80
70
V
DD
= V
REF
= 2.7V
F
SAMPLE
= 50 ksps
V
DD
= V
REF
= 5V
F
SAMPLE
= 100 ksps
SINAD (dB)
60
50
40
30
20
10
0
V
DD
= V
REF
= 2.7V
F
SAMPLE
= 50 ksps
THD (dB)
V
DD
= V
REF
= 5V, F
SAMPLE
= 100 ksps
10
Input Frequency (kHz)
100
-40
-35
-30
-25
-20
-15
-10
Input Signal Level (dB)
-5
0
FIGURE 2-21:
Total Harmonic Distortion
(THD) vs. Input Frequency.
FIGURE 2-24:
Signal-to-Noise and
Distortion (SINAD) vs. Input Signal Level.
DS21290E-page 10
©
2008 Microchip Technology Inc.
MICROCHIP [ MICROCHIP TECHNOLOGY ]
