MCP3204-AI/ST Microchip Technology, MCP3204-AI/ST Datasheet - Page 9

• Manufacturer Part Number: MCP3204-AI/ST
• Description: 2.7V 4-Channel/8-Channel 12-Bit A/D Converters with SPI™ Serial Interface, -40C to +85C, 14-TSSOP, TUBE
• Manufacturer: Microchip Technology

Note: Unless otherwise indicated, V
FIGURE 2-19:
FIGURE 2-20:
Input Frequency.
FIGURE 2-21:
(THD) vs. Input Frequency.
© 2007 Microchip Technology Inc.
100
-100
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
-1.4
-1.6
-1.8
90
80
70
60
50
40
30
20
10
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.2
0.0
0
0
-50
1
1
V
F
SAMPLE
-25
DD
= V
V
F
V
F
REF
SAMPLE
DD
= 50 ksps
DD
SAMPLE
Input Frequency (kHz)
Input Frequency (kHz)
= V
= V
= 2.7 V
V
F
DD
SAMPLE
0
Gain Error vs. Temperature.
Signal to Noise (SNR) vs.
Total Harmonic Distortion
Temperature (°C)
REF
= 50 ksps
REF
= 50 ksps
= V
= 2.7V
= 2.7V
REF
= 100 ksps
10
10
= 5 V
25
V
F
V
F
SAMPLE
DD
SAMPLE
DD
50
DD
= V
= V
REF
= V
REF
= 100 ksps
= 100 ksps
= 5 V
= 5V
75
REF
= 5V, V
100
100
100
SS
= 0V, f
FIGURE 2-22:
Temperature.
FIGURE 2-23:
Distortion (SINAD) vs. Input Frequency.
FIGURE 2-24:
Distortion (SINAD) vs. Input Signal Level.
SAMPLE
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
= 100 ksps, f
-35
-25
V
F
SAMPLE
DD
MCP3204/3208
= V
-30
V
F
V
F
DD
SAMPLE
DD
SAMPLE
Input Signal Level (dB)
REF
= 50 ksps
Input Frequency (kHz)
V
F
DD
SAMPLE
CLK
= V
= V
Temperature (°C)
= 2.7 V
0
Offset Error vs.
Signal to Noise and
Signal to Noise and
= V
-25
REF
REF
= 100 ksps
= 50 ksps
REF
= 20* f
= 100 ksps
= 5 V
= 2.7 V
= 5 V
-20
10
25
SAMPLE
-15
V
F
SAMPLE
DD
V
F
50
DD
SAMPLE
= V
DS21298D-page 9
= V
-10
,T
REF
= 100 ksps
REF
= 50 ksps
A
= 5 V
75
= 2.7 V
= 25°C.
-5
100
100
0