MCP3302-I/ST Microchip Technology, MCP3302-I/ST Datasheet - Page 8

• Manufacturer Part Number: MCP3302-I/ST
• Description: 13-Bit Differential Input, Low Power A/D Converter with SPI Serial Interface
• Manufacturer: Microchip Technology

MCP3302/04
Note: Unless otherwise indicated, V
f
FIGURE 2-19: Positive Gain Error vs. Temperature.
FIGURE 2-20: Signal to Noise Ratio (SNR) vs. Input
Frequency.
FIGURE 2-21: Total Harmonic Distortion (THD) vs.
Input Frequency.
DS21697A-page 8
CLK
= 21*f
100
-100
-0.2
-0.4
-0.6
-0.8
-1.2
-1.4
-1.6
-1.8
90
80
70
60
50
40
30
20
10
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
-1
0
0
1
-50
1
SAMPLE
V
F
SAMPLE
DD
=V
V
F
DD
SAMPLE
REF
= 50 ksps
=V
=2.7V
, T
REF
= 50 ksps
0
=2.7V
A
Input Frequency (kHz)
Input Frequency (kHz)
= 25°C.
Temperature (°C)
50
10
10
V
F
SAMPLE
DD
DD
=V
REF
100
= 100 ksps
V
F
= V
V
F
=5V
V
F
DD
SAMPLE
DD
SAMPLE
DD
SAMPLE
=V
=V
=V
REF
REF
REF
REF
= 100 ksps
= 50 ksps
= 100 ksps
=5V
=2.7V
=5V
= 5V, Full differential input configuration, V
150
100
100
FIGURE 2-22: Offset Error vs. Temperature.
FIGURE 2-23: Signal
(SINAD) vs. Input Frequency.
FIGURE 2-24: Signal
(SINAD) vs. Input Signal Level.
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
3.5
2.5
1.5
0.5
-40
3
2
1
0
1
-50
V
F
SAMPLE
DD
V
F
=V
SAMPLE
DD
-35
REF
=V
= 50 ksps
=2.7V
REF
= 50 ksps
=2.7V
-30
0
Input Signal Level (dB)
Input Frequency (kHz)
-25
Temperature (°C)
to
to
SS
2001 Microchip Technology Inc.
V
F
SAMPLE
DD
=V
-20
10
= 0V, f
50
REF
Noise
Noise
= 50 ksps
V
F
=2.7V
DD
SAMPLE
=V
-15
REF
SAMPLE
= 100 ksps
V
F
=5V
SAMPLE
DD
=V
V
F
and
and
100
SAMPLE
DD
-10
REF
=V
= 100 ksps
=5V
REF
= 100 ksps
= 100 ksps,
=5V
-5
Distortion
Distortion
150
100
0