MCP3002
Note:
Unless otherwise indicated, V
DD
= 5V, f
SAMPLE
= 200 ksps, f
CLK
= 16* f
SAMPLE
,T
A
= 25°C
100
90
80
70
V
DD
= 5V
f
SAMPLE
= 200 ksps
600
500
400
SFDR (dB)
60
50
40
30
20
10
0
1
10
100
V
DD
= 2.7V
f
SAMPLE
= 75 ksps
I
DD
(µA)
300
200
100
0
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
All points at f
CLK
= 3.2 MHz
except at V
DD
= 2.5V, f
CLK
= 1.2 MHz
Input Frequency (kHz)
V
DD
(V)
FIGURE 2-25:
Spurious Free
(SFDR) vs. Input Frequency.
Dynamic
Range
FIGURE 2-28:
I
DD
vs. V
DD
.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
0
20000
40000
V
DD
= 5V
f
SAMPLE
= 200 ksps
f
INPUT
= 10.976 kHz
4096 points
600
550
500
450
400
350
300
250
200
150
100
50
0
10
Amplitude (dB)
I
DD
(µA)
V
DD
= 5V
V
DD
= 2.7V
60000
80000
100000
100
1000
10000
Frequency (Hz)
Clock Frequency (kHz)
FIGURE 2-26:
Frequency Spectrum of 10 kHz input
(Representative Part).
FIGURE 2-29:
I
DD
vs. Clock Frequency.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
0
V
DD
= 2.7V
f
SAMPLE
= 75 ksps
f
INPUT
= 1.00708 kHz
4096 points
600
500
400
V
DD
= 5V
f
CLK
= 3.2 MHz
Amplitude (dB)
I
DD
(µA)
300
200
100
0
V
DD
= 2.7V
f
CLK
= 1.2 MHz
5000 10000 15000 20000 25000 30000 35000
-50
-25
0
25
50
75
100
Frequency (Hz)
Temperature (°C)
FIGURE 2-27:
Frequency Spectrum of 1 kHz input
(Representative Part, V
DD
= 2.7V).
FIGURE 2-30:
I
DD
vs. Temperature.
©
2007 Microchip Technology Inc.
DS21294C-page 9
MICROCHIP [ MICROCHIP TECHNOLOGY ]
