MCP3201-BI/MS MICROCHIP [Microchip Technology], MCP3201-BI/MS Datasheet - Page 11
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MCP3201-BI/MS
Manufacturer Part Number
MCP3201-BI/MS
Description
2.7V 12-Bit A/D Converter with SPI Serial Interface
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.MCP3201-BIMS.pdf
(36 pages)
Note: Unless otherwise indicated, V
FIGURE 2-25:
(ENOB) vs. V
FIGURE 2-26:
Range (SFDR) vs. Input Frequency.
FIGURE 2-27:
10 kHz input (Representative Part).
© 2008 Microchip Technology Inc.
100
-100
-110
-120
-130
90
80
70
60
50
40
30
20
10
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
12.00
11.75
11.50
11.25
11.00
10.75
10.50
10.25
10.00
0
9.75
9.50
9.25
9.00
1
0
0.0
0.5
10000
REF
1.0
.
Input Frequency (kHz)
V
F
1.5
SAMPLE
DD
Effective Number of Bits
Spurious Free Dynamic
Frequency Spectrum of
20000
Frequency (Hz)
V
F
DD
SAMPLE
V
= V
DD
= V
2.0
REF
= 50 ksps
= V
V
REF
= 50 ksps
10
REF
REF
= 2.7V
2.5
= 2.7V
30000
(V)
= 5V, F
3.0
V
F
F
4096 points
DD
SAMPLE
INPUT
DD
SAMPLE
V
F
3.5
= V
SAMPLE
DD
40000
= 9.985kHz
= V
REF
= V
= 100 ksps
= 100 ksps
4.0
= 5V
REF
=100 ksps
REF
= 5V
4.5
50000
= 5V, V
100
5.0
SS
= 0V, f
FIGURE 2-28:
(ENOB) vs. Input Frequency.
FIGURE 2-29:
(PSR) vs. Ripple Frequency.
FIGURE 2-30:
1 kHz input (Representative Part, V
SAMPLE
-100
-110
-120
-130
-10
-20
-30
-40
-50
-60
-70
-80
-10
-20
-30
-40
-50
-60
-70
-80
-90
12.0
11.5
11.0
10.5
10.0
9.5
9.0
8.5
8.0
0
0
= 100 ksps, f
1
0
1
5000
10
Input Frequency (kHz)
Ripple Frequency (kHz)
CLK
V
F
SAMPLE
Effective Number of Bits
Power Supply Rejection
Frequency (Hz)
Frequency Spectrum of
DD
10000
= 2.7V
= 16*f
= 50 ksps
100
10
MCP3201
15000
SAMPLE
V
F
F
4096 points
SAMPLE
INPUT
DD
DS21290E-page 11
1000
= V
V
F
, T
20000
SAMPLE
DD
= 998.76 Hz
DD
REF
= 50 ksps
A
= 5V
= 2.7V
= +25°C.
= 2.7V).
= 100 ksps
25000
10000
100