MCP3221 Microchip Technology, MCP3221 Datasheet - Page 8

• Manufacturer Part Number: MCP3221
• Description: Low Power 12-Bit A/D Converter With I2C Interface
• Manufacturer: Microchip Technology

MCP3221
Note: Unless otherwise indicated, V
Mode (f
FIGURE 2-19:
FIGURE 2-20:
FIGURE 2-21:
DS21732B-page 8
-1
-2
-3
-100
100
3
2
1
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
90
80
70
60
50
40
30
20
10
-50
SAMP
0
0
1
V
1
DD
= 5V
= 22.3 ksps), T
-25
V
DD
V
DD
= 2.7V
Input Frequency (kHz)
= 2.7V
0
Input Frequency (kHz)
Temperature (°C)
Gain Error vs. Temperature.
SNR vs. Input Frequency.
THD vs. Input Frequency.
25
V
DD
A
V
= 5V
DD
= +25°C.
50
= 5V
V
DD
= 2.7V
DD
75
= 5V, V
100
SS
10
125
= 0V, I
10
2
C Fast Mode Timing (SCL = 400 kHz), Continuous Conversion
FIGURE 2-22:
Temperature.
FIGURE 2-23:
FIGURE 2-24:
Level.
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
100
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
2
1
0
0
-40
-50
1
V
-25
DD
= 2.7V
-30
V
Input Frequency (kHz)
DD
Input Signal Level (dB)
0
= 5V
Temperature (°C)
Offset Error vs.
SINAD vs. Input Frequency.
SINAD vs. Input Signal
V
DD
25
V
2003 Microchip Technology Inc.
= 5V
DD
-20
= 2.7V
V
V
DD
DD
50
= 5V
= 2.7V
75
-10
100
10
125
0