Datasheet

MCP3302/04
DS21697F-page 10  2011 Microchip Technology Inc.
Note: Unless otherwise indicated, V
DD
= V
REF
= 5V, Full differential input configuration, V
SS
= 0V, F
SAMPLE
= 100 ksps,
F
CLK
= 21*F
SAMPLE
, T
A
= +25°C.
FIGURE 2-19: Frequency Spectrum of
10 kHz Input (Representative Part).
FIGURE 2-20: Effective Number of Bits
(ENOB) vs. Input Frequency.
FIGURE 2-21: Power Supply Rejection
(PSR) vs. Ripple Frequency. A 0.1 µF bypass
capacitor is connected to the V
DD
pin.
FIGURE 2-22: I
DD
vs. V
DD
.
FIGURE 2-23: I
DD
vs. Sample Rate.
FIGURE 2-24: I
DD
vs. Temperature.
-150
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0 10000 20000 30000 40000 50000
Frequency (Hz)
Amplitude (dB)
12.7
12.75
12.8
12.85
ENOB (rms)
12.6
12.65
1 10 100
Input Frequency (kHz)
-
65
-60
-55
-50
-45
-40
-35
-30
PSR(dB)
-80
-75
-70
-
65
1 10 100 1000 10000
Ripple Frequency (kHz)
0
50
100
150
200
250
300
350
400
450
22.533.544.555.56
V
DD
(V)
I
DD
(µA)
200
300
400
500
600
I
DD
(µA)
0
100
0 50 100 150 200
Sample Rate (ksps)
340
350
360
370
380
390
I
DD
(µA)
320
330
340
-50 0 50 100 150
Temperature (°C)