Unless otherwise indicated, AVDD
參數(shù)資料
型號(hào): MCP3901A0-I/SS
廠商: Microchip Technology
文件頁(yè)數(shù): 2/30頁(yè)
文件大?。?/td> 0K
描述: IC AFE 24BIT 64KSPS 20-SSOP
產(chǎn)品培訓(xùn)模塊: MCP3901 Analog Front End
標(biāo)準(zhǔn)包裝: 67
位數(shù): 24
通道數(shù): 2
電壓 - 電源,模擬: 4.5 V ~ 5.5 V
電壓 - 電源,數(shù)字: 2.7 V ~ 5.5 V
封裝/外殼: 20-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 20-SSOP
包裝: 管件
產(chǎn)品目錄頁(yè)面: 677 (CN2011-ZH PDF)
其它名稱: MCP3901AO-I/SS
MCP3901AO-I/SS-ND
MCP3901
DS22192D-page 10
2011 Microchip Technology Inc.
Note:
Unless otherwise indicated, AVDD = 5.0V, DVDD = 5.0V; 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:
Spectral Response.
FIGURE 2-9:
Spurious Free Dynamic
Range Histogram.
FIGURE 2-10:
Spurious Free Dynamic
Range vs. Oversampling Ratio.
FIGURE 2-11:
Signal-to-Noise and
Distortion and Effective Number of Bits vs.
Oversampling Ratio.
FIGURE 2-12:
Signal-to-Noise and
Distortion vs. Gain.
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
2000
4000
6000
8000
Frequency (Hz)
Am
p
li
tu
d
e
(
d
B
)
fIN = -0.5dBFS @ 60 Hz
fD = 15.6 ksps
16384 Point FFT
OSR = 64
Dithering ON
-200
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
2000
4000
6000
8000
Frequency (Hz)
Am
p
li
tu
d
e
(
d
B
)
f
IN = -60dBFS @ 60 Hz
fD = 15.6 ksps
16384 Point FFT
OSR = 64
Dithering ON
0
2
4
6
8
1
0
1
2
107 107.5 108 108.5 109 109.5 110 110.5 111
Spurious Free Dynamic Range (dB)
Fr
e
q
ue
nc
y
of
O
c
u
ra
nc
e
fIN = 60 Hz
MCLK = 4 MHz
OSR = 256
Dithering On
0
10
20
30
40
50
60
70
80
90
100
110
120
32
64
128
256
Oversampling Ratio (OSR)
S
pur
io
us
Fr
e
D
y
na
mi
c
Ra
n
g
e
(
d
B)
Dithering OFF
Dithering ON
50
55
60
65
70
75
80
85
90
95
100
32
64
128
256
Oversampling Ratio (OSR)
S
INAD
(
d
B)
8
9
10
11
12
13
14
15
16
E
ff
e
c
ti
ve
N
u
m
b
er
o
f
B
it
s
Dithering ON
Dithering OFF
40
45
50
55
60
65
70
75
80
85
90
95
1
2
4
8
16
32
Gain (V/V)
S
INAD
(
d
B
)
OSR = 256 (Dithering ON)
OSR = 32
OSR = 64
OSR = 128 (Dithering ON)
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MCP3901A0T-I/SS 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual CH Energy Meter Front End,SPI IF RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MCP3901A1-I/ML 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Two Channel Analog Front End