Unless otherwise indicated, AVDD
參數(shù)資料
型號(hào)： MCP3903T-I/SS
廠商： Microchip Technology
文件頁(yè)數(shù)： 3/15頁(yè)
文件大?。?/td> 0K
描述： IC AFE 24BIT 64KSPS 6CH 28SSOP
產(chǎn)品培訓(xùn)模塊： MCP3903 6-Channel Energy Measurement Analog Front End
標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝： 28-SSOP
包裝： 帶卷 (TR)
2011 Microchip Technology Inc.
DS25048B-page 11
MCP3903
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 2-13:
Total Harmonic Distortion
vs. Input Signal Frequency.
FIGURE 2-14:
Total Harmonic Distortion
vs. Temperature.
FIGURE 2-15:
Signal-to-Noise and
Distortion vs. Input Signal Frequency.
FIGURE 2-16:
Signal-to-Noise and
Distortion vs. Temperature.
FIGURE 2-17:
Signal-to-Noise and
Distortion vs. Input Signal Amplitude.
FIGURE 2-18:
Signal-to-Noise and
Distortion vs. Master Clock.
-60
o
n
fs=15.625KHz
OSR 64
80
-70
-60
s
tortion
fs=15.625KHz
OSR=64
-90
-80
-70
-60
o
nic
Distortion
d
Bc)
fs=15.625KHz
OSR=64
Dithering OFF
-100
-90
-80
-70
-60
H
armonic
Distortion
(dBc)
fs=15.625KHz
OSR=64
Dithering OFF
Dithering ON
-110
-100
-90
-80
-70
-60
T
otal
Harmonic
Distortion
(dBc)
fs=15.625KHz
OSR=64
Dithering OFF
Dithering ON
-120
-110
-100
-90
-80
-70
-60
20
50
100
200
500 1000 2000
T
o
tal
Harmonic
Distortion
(dBc)
fs=15.625KHz
OSR=64
Dithering OFF
Dithering ON
-120
-110
-100
-90
-80
-70
-60
20
50
100
200
500 1000 2000
T
o
tal
Harmonic
Distortion
(dBc)
Input Frequency (Hz)
fs=15.625KHz
OSR=64
Dithering OFF
Dithering ON
0
on
fs=15.625KHz
-40
-20
0
D
istortion
fs=15.625KHz
OSR=64
-60
-40
-20
0
m
onic
Distortion
(dBc)
fs=15.625KHz
OSR=64
-80
-60
-40
-20
0
Harmonic
Distortion
(dBc)
fs=15.625KHz
OSR=64
-120
-100
-80
-60
-40
-20
0
T
o
tal
Harmonic
Distortion
(dBc)
fs=15.625KHz
OSR=64
-120
-100
-80
-60
-40
-20
0
-40
-20
0
25
45
85
105 125
T
o
tal
Harmonic
Distortion
(dBc)
Temperature (°C)
fs=15.625KHz
OSR=64
-120
-100
-80
-60
-40
-20
0
-40
-20
0
25
45
85
105 125
T
o
tal
Harmonic
Distortion
(dBc)
Temperature (°C)
fs=15.625KHz
OSR=64
90
100
Dithering OFF
70
80
90
100
B
)
Dithering OFF
Dithering ON
40
50
60
70
80
90
100
N
AD
(dB)
Dithering OFF
Dithering ON
20
30
40
50
60
70
80
90
100
SINAD
(dB)
Dithering OFF
Dithering ON
fs=15 625KHz
0
10
20
30
40
50
60
70
80
90
100
SINAD
(dB)
Dithering OFF
Dithering ON
fs=15.625KHz
OSR=64
0
10
20
30
40
50
60
70
80
90
100
20
50
100
200
500
1000 2000
SINAD
(dB)
Input Frequency (Hz)
Dithering OFF
Dithering ON
fs=15.625KHz
OSR=64
0
10
20
30
40
50
60
70
80
90
100
20
50
100
200
500
1000 2000
SINAD
(dB)
Input Frequency (Hz)
Dithering OFF
Dithering ON
fs=15.625KHz
OSR=64
120
fs=15.625KHz
80
100
120
)
fs=15.625KHz
OSR=64
60
80
100
120
A
D
(dB)
fs=15.625KHz
OSR=64
40
60
80
100
120
SINAD
(dB)
fs=15.625KHz
OSR=64
20
40
60
80
100
120
SINAD
(dB)
fs=15.625KHz
OSR=64
0
20
40
60
80
100
120
-40
-20
0
25
45
85
105
125
SINAD
(dB)
fs=15.625KHz
OSR=64
0
20
40
60
80
100
120
-40
-20
0
25
45
85
105
125
SINAD
(dB)
Temperature (°C)
fs=15.625KHz
OSR=64
80
90
60
70
80
90
B)
40
50
60
70
80
90
N
AD
(dB)
20
30
40
50
60
70
80
90
SINAD
(dB)
0
10
20
30
40
50
60
70
80
90
SINAD
(dB)
-10
0
10
20
30
40
50
60
70
80
90
0.00001
0.001
0.1
10
1000
SINAD
(dB)
Input Signal Amplitude (mV)
-10
0
10
20
30
40
50
60
70
80
90
0.00001
0.001
0.1
10
1000
SINAD
(dB)
Input Signal Amplitude (mV)
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