MCP3201 Microchip Technology, MCP3201 Datasheet - Page 8

• Manufacturer Part Number: MCP3201
• Description: 2.7V 12-Bit A/D Converter with SPI Serial Interface
• Manufacturer: Microchip Technology

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