MCP3202 Microchip Technology, MCP3202 Datasheet - Page 8

• Manufacturer Part Number: MCP3202
• Description: 2.7V Dual Channel 12-Bit A/D Converter with SPI Serial Interface
• Manufacturer: Microchip Technology

MCP3202
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.
DS21034A-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
= 2.7V
V
F
DD
SAMPLE
Total Harmonic Distortion (THD) vs.
= 50ksps
= 2.7V
Input Frequency (kHz)
Input Frequency (kHz)
= 50ksps
0
Temperature (°C)
V
F
DD
SAMPLE
= 2.7V
= 50ksps
10
25
10
V
F
DD
SAMPLE
DD
50
= 5V
V
F
DD
SAMPLE
= 5V, V
V
F
= 5V
= 100ksps
DD
SAMPLE
= 5V
= 100ksps
75
= 100ksps
SS
= 0V, f
100
100
100
Preliminary
SAMPLE
=
100ksps, f
FIGURE 2-22: Offset Error vs. Temperature.
FIGURE 2-23:
(SINAD) vs. Input Frequency.
FIGURE 2-24:
(SINAD) vs. Signal Level.
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
CLK
= 18* f
-35
-25
Signal to Noise and Distortion
Signal to Noise and Distortion
-30
V
F
V
F
V
F
SAMPLE
DD
SAMPLE
DD
SAMPLE
DD
SAMPLE
Input Frequency (kHz)
Input Signal Level (dB)
= 2.7V
= 5V
= 2.7V
0
Temperature (°C)
-25
= 50ksps
= 100ksps
= 50ksps
,T
V
F
1999 Microchip Technology Inc.
DD
SAMPLE
A
= 5V
= 25°C
-20
10
25
= 100ksps
-15
50
V
F
V
F
-10
DD
SAMPLE
DD
SAMPLE
= 5V
= 2.7V
75
= 100ksps
= 50ksps
-5
100
100
0