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MCP3464R-E/ST 데이터시트(PDF) 27 Page - Microchip Technology

부품명 MCP3464R-E/ST
상세설명  Two/Four/Eight-Channel, 153.6 ksps, Low-Noise, 16-Bit Delta-Sigma ADCs with Internal Voltage Reference
PDF  118 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP3464R-E/ST 데이터시트(HTML) 27 Page - Microchip Technology

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 2020-2021 Microchip Technology Inc.
DS20006404C-page 27
MCP3461/2/4R
TABLE 2-3:
OUTPUT NOISE VS. GAIN VS. OSR (AVDD = DVDD = 3.3V, VREF = 2.4V INTERNAL,
TA =+25°C)
TOTAL
OSR
RMS (Peak-to-Peak) Noise (µV)
GAIN = 0.33
GAIN = 1
GAIN = 2
GAIN = 4
GAIN = 8
GAIN = 16
32
281.5 (2167.7)
93.7 (739.7)
47.5 (372.3)
24.2 (191.7)
12.6 (96.4)
6.8 (52.9)
64
111.0 (525.3)
36.6 (178.2)
18.3 (92.8)
9.2 (53.1)
4.8 (33.6)
3.0 (22.1)
128
111.0 (325.5)
36.6 (112.3)
18.3 (65.9)
9.2 (34.2)
4.6 (21.7)
2.3 (14.2)
256
111.0 (222.0)
36.6 (80.6)
18.3 (41.5)
9.2 (27.5)
4.6 (14.7)
2.3 (10.8)
512
111.0 (222.0)
36.6 (73.2)
18.3 (36.6)
9.2 (18.9)
4.6 (10.1)
2.3 (6.7)
1024
111.0 (222.0)
36.6 (73.2)
18.3 (36.6)
9.2 (18.3)
4.6 (9.2)
2.3 (5.3)
2048
111.0 (222.0)
36.6 (73.2)
18.3 (36.6)
9.2 (18.3)
4.6 (9.2)
2.3 (4.6)
4096
111.0 (222.0)
36.6 (73.2)
18.3 (36.6)
9.2 (18.3)
4.6 (9.2)
2.3 (4.6)
8192
111.0 (222.0)
36.6 (73.2)
18.3 (36.6)
9.2 (18.3)
4.6 (9.2)
2.3 (4.6)
16384
111.0 (222.0)
36.6 (73.2)
18.3 (36.6)
9.2 (18.3)
4.6 (9.2)
2.3 (4.6)
20480
111.0 (222.0)
36.6 (73.2)
18.3 (36.6)
9.2 (18.3)
4.6 (9.2)
2.3 (4.6)
24576
111.0 (222.0)
36.6 (73.2)
18.3 (36.6)
9.2 (18.3)
4.6 (9.2)
2.3 (4.6)
40960
111.0 (222.0)
36.6 (73.2)
18.3 (36.6)
9.2 (18.3)
4.6 (9.2)
2.3 (4.6)
49152
111.0 (222.0)
36.6 (73.2)
18.3 (36.6)
9.2 (18.3)
4.6 (9.2)
2.3 (4.6)
81920
111.0 (222.0)
36.6 (73.2)
18.3 (36.6)
9.2 (18.3)
4.6 (9.2)
2.3 (4.6)
98304
111.0 (222.0)
36.6 (73.2)
18.3 (36.6)
9.2 (18.3)
4.6 (9.2)
2.3 (4.6)
TABLE 2-4:
EFFECTIVE RESOLUTION VS. GAIN VS. OSR (AVDD = DVDD = 3.3V, VREF = 2.4V
INTERNAL, TA = +25°C)
TOTAL
OSR
Effective Resolution RMS (Peak-to-Peak) (bits)
GAIN = 0.33
GAIN = 1
GAIN = 2
GAIN = 4
GAIN = 8
GAIN = 16
32
15.7 (12.7)
15.7 (12.7)
15.6 (12.7)
15.6 (12.6)
15.5 (12.6)
15.4 (12.5)
64
17.0 (14.8)
17.0 (14.7)
17.0 (14.7)
17.0 (14.5)
16.9 (14.1)
16.6 (13.8)
128
17.0 (15.5)
17.0 (15.5)
17.0 (15.2)
17.0 (15.1)
17.0 (14.8)
17.0 (14.4)
256
17.0 (16.0)
17.0 (15.9)
17.0 (15.9)
17.0 (15.5)
17.0 (15.4)
17.0 (14.8)
512
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (15.9)
17.0 (15.5)
1024
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (15.8)
2048
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
4096
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
8192
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
16384
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
20480
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
24576
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
40960
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
49152
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
81920
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
98304
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
17.0 (16.0)
Note:
To calculate noise RMS level and Effective Resolution (Bits) for a given GAIN and data rate, refer to the
OSR setting and associated data rate relationship shown in Table 5-6.



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