Datasheet

MCP3002
DS21294E-page 10  2000-2011 Microchip Technology Inc.
Note: Unless otherwise indicated, V
DD
= 5V, f
SAMPLE
= 200 ksps, f
CLK
= 16* f
SAMPLE
, T
A
= +25°C.
FIGURE 2-25: Spurious Free Dynamic
Range (SFDR) vs. Input Frequency.
FIGURE 2-26: Frequency Spectrum of
10 kHz input (Representative Part).
FIGURE 2-27: Frequency Spectrum of
1 kHz input (Representative Part, V
DD
= 2.7V).
FIGURE 2-28: I
DD
vs. V
DD
.
FIGURE 2-29: I
DD
vs. Clock Frequency.
FIGURE 2-30: I
DD
vs. Temperature.
0
10
20
30
40
50
60
70
80
90
100
1 10 100
Input Frequency (kHz)
SFDR (dB)
V
DD
= 5V
f
SAMPLE
= 200 ksps
V
DD
= 2.7V
f
SAMPLE
= 75 ksps
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0 20000 40000 60000 80000 100000
Frequency (Hz)
Amplitude (dB)
V
DD
= 5V
f
SAMPLE
= 200 ksps
f
INPUT
= 10.976 kHz
4096 points
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0
5000
10000 15000 20000 25000 30000 35000
Frequency (Hz)
Amplitude (dB)
V
DD
= 2.7V
f
SAMPLE
= 75 ksps
f
INPUT
= 1.00708 kHz
4096 points
0
100
200
300
400
500
600
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
V
DD
(V)
I
DD
(µA)
All points at f
CLK
= 3.2 MHz
except at V
DD
= 2.5V, f
CLK
= 1.2 MHz
0
50
100
150
200
250
300
350
400
450
500
550
600
10 100 1000 10000
Clock Frequency (kHz)
I
DD
(µA)
V
DD
= 5V
V
DD
= 2.7V
0
100
200
300
400
500
600
-50-25 0 255075100
Temperature (°C)
I
DD
(µA)
V
DD
= 5V
f
CLK
= 3.2 MHz
V
DD
= 2.7V
f
CLK
= 1.2 MHz