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参数资料
| 型号： | MCP3208-BI/ST |
| 元件分类： | ADC |
| 英文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO14 |
| 封装： | 4.4 MM, PLASTIC, TSSOP-14 |
| 文件页数： | 2/40页 |
| 文件大小： | 722K |
| 代理商： | MCP3208-BI/ST |
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MCP3204/3208
DS21298E-page 10
2008 Microchip Technology Inc.
Note:
Unless otherwise indicated, VDD = VREF = 5V, VSS = 0V, fSAMPLE = 100 ksps, fCLK = 20* fSAMPLE, TA = +25°C.
FIGURE 2-19:
Gain Error vs. Temperature.
FIGURE 2-20:
Signal-to-Noise (SNR) vs.
Input Frequency.
FIGURE 2-21:
Total Harmonic Distortion
(THD) vs. Input Frequency.
FIGURE 2-22:
Offset Error vs.
Temperature.
FIGURE 2-23:
Signal-to-Noise and
Distortion (SINAD) vs. Input Frequency.
FIGURE 2-24:
Signal-to-Noise and
Distortion (SINAD) vs. Input Signal Level.
-1.8
-1.6
-1.4
-1.2
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
-50
-25
0
25
50
75
100
Temperature (°C)
Ga
in
E
rror
(LSB)
VDD = VREF = 5 V
FSAMPLE = 100 ksps
VDD = VREF = 2.7 V
FSAMPLE = 50 ksps
0
10
20
30
40
50
60
70
80
90
100
110
100
Input Frequency (kHz)
SNR
(dB)
VDD = VREF = 2.7V
FSAMPLE = 50 ksps
VDD = VREF = 5 V
FSAMPLE = 100 ksps
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
110
100
Input Frequency (kHz)
T
H
D
(
d
B)
VDD = VREF = 5V
FSAMPLE = 100 ksps
VDD = VREF = 2.7V
FSAMPLE = 50 ksps
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
-50
-25
0
25
50
75
100
Temperature (°C)
Offse
tError
(LS
B
)
VDD = VREF = 5 V
FSAMPLE = 100 ksps
VDD = VREF = 2.7 V
FSAMPLE = 50 ksps
0
10
20
30
40
50
60
70
80
90
100
110
100
Input Frequency (kHz)
SFDR
(dB
)
VDD = VREF = 5 V
FSAMPLE = 100 ksps
VDD = VREF = 2.7 V
FSAMPLE = 50 ksps
0
10
20
30
40
50
60
70
80
-40
-35
-30
-25
-20
-15
-10
-5
0
Input Signal Level (dB)
SINAD
(dB
)
VDD = VREF = 2.7 V
FSAMPLE = 50 ksps
VDD = VREF = 5 V
FSAMPLE = 100 ksps
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