Unless otherwise indicated, AVDD
參數(shù)資料
型號(hào): MCP3911A0T-E/ML
廠商: Microchip Technology
文件頁數(shù): 7/17頁
文件大小: 0K
描述: IC AFE 24BIT 125KSPS 2CH 20-QFN
標(biāo)準(zhǔn)包裝: 3,300
位數(shù): 24
通道數(shù): 2
電壓 - 電源,模擬: 2.7 V ~ 3.6 V
電壓 - 電源,數(shù)字: 2.7 V ~ 3.6 V
封裝/外殼: 20-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 20-QFN(4x4)
包裝: 帶卷 (TR)
2012 Microchip Technology Inc.
DS22286A-page 15
MCP3911
Note:
Unless otherwise indicated, AVDD = 3.3V, DVDD = 3.3V; TA = 25°C, MCLK = 4 MHz; PRESCALE = 1;
OSR = 256; GAIN = 1; Dithering = Maximum; VIN = -0.5 dBFS @ 60 Hz, VREFEXT = 0; CLKEXT = 1,
AZ_FREQ = 0; BOOST = 1X.
FIGURE 2-25:
SNR vs. Input Signal
Amplitude.
FIGURE 2-26:
SFDR vs. Input Signal
Amplitude.
FIGURE 2-27:
THD vs. Temperature.
FIGURE 2-28:
SINAD vs. Temperature.
FIGURE 2-29:
SNR vs. Temperature.
FIGURE 2-30:
SFDR vs. Temperature.
30
40
50
60
70
80
90
100
110
120
to
Noise
Ratio
(dB)
Channel 0
Channel 1
0
10
20
30
-6
-5
-4
-3
-2
-1
0
1
2
3
Signal
Input Signal Amplitude (dBFS)
30
40
50
60
70
80
90
100
110
120
s
Free
Dy
anmic
Raneg
(dBFS)
Channel 0
Channel 1
0
10
20
30
-6
-5
-4
-3
-2
-1
0
1
2
3
Spuriou
s
Input Signal Amplitude (dBFS)
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-50
-25
0
25
50
75
100
125
150
T
o
tal
Harominc
Distortion
(dBc)
Temperature (°C)
G=32
G=16
G=8
G=4
G=2
G=1
0
10
20
30
40
50
60
70
80
90
100
-50
-25
0
25
50
75
100
125
150
Signal
to
Noise
and
Distortion
Ration
(dB)
Temperature (°C)
G=32
G=16
G=8
G=4
G=2
G=1
0
10
20
30
40
50
60
70
80
90
100
-50
-25
0
25
50
75
100
125
150
Signal
to
Noise
Ratio
(dB)
Temperature (°C)
G=32
G=16
G=8
G=4
G=2
G=1
0
10
20
30
40
50
60
70
80
90
100
110
120
-50
-25
0
25
50
75
100
125
150
Spurious
Free
Dy
namic
Range
(dBFS)
Temperature (°C)
G=32
G=16
G=8
G=4
G=2
G=1
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