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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： | 38/40页 |
| 文件大小： | 722K |
| 代理商： | MCP3208-BI/ST |
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2008 Microchip Technology Inc.
DS21298E-page 7
MCP3204/3208
2.0
TYPICAL PERFORMANCE CHARACTERISTICS
Note:
Unless otherwise indicated, VDD = VREF = 5V, VSS = 0V, fSAMPLE = 100 ksps, fCLK = 20* fSAMPLE, TA = +25°C.
FIGURE 2-1:
Integral Nonlinearity (INL)
vs. Sample Rate.
FIGURE 2-2:
Integral Nonlinearity (INL)
vs. VREF .
FIGURE 2-3:
Integral Nonlinearity (INL)
vs. Code (Representative Part).
FIGURE 2-4:
Integral Nonlinearity (INL)
vs. Sample Rate (VDD = 2.7V).
FIGURE 2-5:
Integral Nonlinearity (INL)
vs. VREF (VDD = 2.7V).
FIGURE 2-6:
Integral Nonlinearity (INL)
vs. Code (Representative Part, VDD = 2.7V).
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
0
255075
100
125
150
Sample Rate (ksps)
INL
(LSB)
Positive INL
Negative INL
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
2.5
01
23
45
VREF (V)
IN
L
(
L
S
B
)
Positive INL
Negative INL
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
0
512
1024
1536
2048
2560
3072
3584
4096
Digital Code
INL
(LSB)
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
0
102030405060
70
80
Sample Rate (ksps)
INL
(LS
B
)
Positive INL
Negative INL
VDD = VREF = 2.7 V
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
0.00.5
1.0
1.5
2.02.5
3.0
VREF (V)
IN
L
(
L
S
B
)
Positive INL
Negative INL
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
0
512
1024
1536
2048
2560
3072
3584
4096
Digital Code
IN
L
(
L
SB)
VDD = VREF = 2.7 V
FSAMPLE = 50 ksps
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