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參數(shù)資料
| 型號： | MCP3903T-E/SS |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 2/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AFE 24BIT 64KSPS 6CH 28SSOP |
| 產(chǎn)品培訓模塊： | MCP3903 6-Channel Energy Measurement Analog Front End |
| 標準包裝： | 2,100 |
| 位數(shù)： | 24 |
| 通道數(shù)： | 6 |
| 電壓 - 電源，模擬： | 4.5 V ~ 5.5 V |
| 電壓 - 電源，數(shù)字： | 2.7 V ~ 3.6 V |
| 封裝/外殼： | 28-SSOP（0.209"，5.30mm 寬） |
| 供應商設備封裝： | 28-SSOP |
| 包裝： | 帶卷 (TR) |
MCP3903
DS25048B-page 10
2011 Microchip Technology Inc.
Note:
Unless otherwise indicated, AVDD = 5.0V, DVDD = 3.3 V; TA = +25°C, MCLK = 4 MHz; PRESCALE = 1; OSR =
64; GAIN = 1; Dithering OFF; VIN = -0.5 dBFS @ 60 Hz.
.
FIGURE 2-7:
Spectral Response.
FIGURE 2-8:
Spurious Free Dynamic
Range vs Oversampling Ratio.
FIGURE 2-9:
Signal-to-Noise and
Distortion vs. Oversampling Ratio.
FIGURE 2-10:
Signal-to-Noise and
Distortion vs. Gain (Dithering OFF).
FIGURE 2-11:
Signal-to-Noise and
Distortion vs. Gain (Dithering ON).
FIGURE 2-12:
Total Harmonic Distortion
vs. Oversampling Ratio.
120
ic
Dithering ON
80
100
120
D
ynamic
B
)
Dithering ON
Dithering OFF
60
80
100
120
Free
Dynamic
n
ge
(dB)
Dithering ON
Dithering OFF
40
60
80
100
120
rious
Free
Dynamic
Range
(dB)
Dithering ON
Dithering OFF
0
20
40
60
80
100
120
Spurious
Free
Dynamic
Range
(dB)
Dithering ON
Dithering OFF
0
20
40
60
80
100
120
32
64
128
256
Spurious
Free
Dynamic
Range
(dB)
Oversampling Ratio (OSR)
Dithering ON
Dithering OFF
0
20
40
60
80
100
120
32
64
128
256
Spurious
Free
Dynamic
Range
(dB)
Oversampling Ratio (OSR)
Dithering ON
Dithering OFF
120
80
100
120
B
)
Dithering OFF
Dithering ON
60
80
100
120
N
AD
(dB)
Dithering OFF
Dithering ON
40
60
80
100
120
SINAD
(dB)
Dithering OFF
Dithering ON
0
20
40
60
80
100
120
SINAD
(dB)
Dithering OFF
Dithering ON
0
20
40
60
80
100
120
32
64
128
256
SINAD
(dB)
Oversampling Ratio (OSR)
Dithering OFF
Dithering ON
0
20
40
60
80
100
120
32
64
128
256
SINAD
(dB)
Oversampling Ratio (OSR)
Dithering OFF
Dithering ON
95
100
85
90
95
100
B
)
OSR = 256
70
75
80
85
90
95
100
N
AD
(dB)
OSR = 256
OSR = 128
OSR = 64
60
65
70
75
80
85
90
95
100
SINAD
(dB)
OSR = 256
OSR = 128
OSR = 32
OSR = 64
50
55
60
65
70
75
80
85
90
95
100
SINAD
(dB)
OSR = 256
OSR = 128
OSR = 32
OSR = 64
50
55
60
65
70
75
80
85
90
95
100
1248
16
32
SINAD
(dB)
GAIN (V/V)
OSR = 256
OSR = 128
OSR = 32
OSR = 64
50
55
60
65
70
75
80
85
90
95
100
1248
16
32
SINAD
(dB)
GAIN (V/V)
OSR = 256
OSR = 128
OSR = 32
OSR = 64
95
100
85
90
95
100
)
OSR = 256
75
80
85
90
95
100
A
D
(dB)
OSR = 256
OSR = 128
65
70
75
80
85
90
95
100
SINAD
(dB)
OSR = 256
OSR = 128
OSR = 64
55
60
65
70
75
80
85
90
95
100
SINAD
(dB)
OSR = 256
OSR = 128
OSR = 64
OSR = 32
50
55
60
65
70
75
80
85
90
95
100
1248
16
32
SINAD
(dB)
OSR = 256
OSR = 128
OSR = 64
OSR = 32
50
55
60
65
70
75
80
85
90
95
100
1248
16
32
SINAD
(dB)
GAIN (V/V)
OSR = 256
OSR = 128
OSR = 64
OSR = 32
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