MCP3301-I/P Microchip Technology, MCP3301-I/P Datasheet - Page 9

• Manufacturer Part Number: MCP3301-I/P
• Description: 13-Bit Differential Input, Low Power A/D Converter with SPI Serial Interface
• Manufacturer: Microchip Technology

Note: Unless otherwise indicated, V
f
FIGURE 2-25: Effective Number of Bits (ENOB) vs.
V
FIGURE 2-26: Spurious
(SFDR) vs. Input Frequency.
FIGURE 2-27: Frequency Spectrum of 10 kHz Input
(Representative Part).
CLK
REF
2001 Microchip Technology Inc.
.
= 17*f
100
90
80
70
60
50
40
30
20
10
13
12
11
10
0
-100
-110
-120
-130
-140
-150
9
8
7
-10
-20
-30
-40
-50
-60
-70
-80
-90
1
0
0
0
SAMPLE
V
F
DD
SAMPLE
=V
1
5000
REF
= 50 ksps
, T
=2.7V
A
Input Frequency (kHz)
V
F
2
= 25°C.
SAMPLE
DD
10000
Frequency (Hz)
=2.7V
= 50 ksps
V
REF
Free
10
3
(V)
15000
Dynamic
4
DD
V
F
DD
SAMPLE
V
F
=5V
DD
SAMPLE
20000
= 5V, Full differential input configuration, V
=V
= 100 ksps
REF
= 100 ksps
5
=5V
25000
Range
100
6
FIGURE 2-28: Effective Number of Bits (ENOB) vs.
Input Frequency.
FIGURE 2-29: Power Supply Rejection (PSR) vs.
Ripple Frequency.
FIGURE 2-30: Frequency Spectrum of 1 kHz Input
(Representative Part, V
12.8
12.6
12.4
12.2
11.8
11.6
11.4
11.2
-30
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
-100
-110
-120
-130
-140
-150
13
12
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
1
1
0
5000
SS
10
V
F
SAMPLE
DD
Ripple Frequency (kHz)
= 0V, f
=V
Input Frequency (kHz)
DD
10000
REF
Frequency (Hz)
= 50 ksps
=2.7V
= 2.7V).
SAMPLE
100
10
MCP3301
15000
= 100 ksps,
V
F
1000
SAMPLE
DD
DS21700A-page 9
=V
0.1 µF Bypass
Capacitor
20000
REF
= 100 ksps
=5V
10000
25000
100