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MCP3460R 데이터시트(PDF) 22 Page - Microchip Technology

부품명 MCP3460R
상세설명  Two-Channel, 153.6 kSPS, Low-Noise, 16-Bit Delta-Sigma ADC with Internal Voltage Reference
PDF  103 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP3460R 데이터시트(HTML) 22 Page - Microchip Technology

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MCP3460R
DS20006975A page 22
 2025 Microchip Technology Inc. and its subsidiaries
TABLE 2-1:
NOISE RMS LEVEL VS. GAIN VS. OSR (AVDD = DVDD = VREF = 3.3V, 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
388.9 (2829.9)
130.2 (950)
65.7 (481.7)
33.2 (240.9)
17 (125.5)
8.9 (66.9)
64
151.1 (564)
50.4 (184.6)
25.2 (102.4)
12.6 (56.2)
6.3 (34.8)
3.4 (22.5)
128
151.1 (302.1)
50.4 (107.4)
25.2 (57.1)
12.6 (33.6)
6.3 (21.4)
3.2 (14.3)
256
151.1 (302.1)
50.4 (100.7)
25.2 (50.4)
12.6 (25.2)
6.3 (15.9)
3.2 (10.5)
512
151.1 (302.1)
50.4 (100.7)
25.2 (50.4)
12.6 (25.2)
6.3 (12.6)
3.2 (6.9)
1024
151.1 (302.1)
50.4 (100.7)
25.2 (50.4)
12.6 (25.2)
6.3 (12.6)
3.2 (6.3)
2048
151.1 (302.1)
50.4 (100.7)
25.2 (50.4)
12.6 (25.2)
6.3 (12.6)
3.2 (6.3)
4096
151.1 (302.1)
50.4 (100.7)
25.2 (50.4)
12.6 (25.2)
6.3 (12.6)
3.2 (6.3)
8192
151.1 (302.1)
50.4 (100.7)
25.2 (50.4)
12.6 (25.2)
6.3 (12.6)
3.2 (6.3)
16384
151.1 (302.1)
50.4 (100.7)
25.2 (50.4)
12.6 (25.2)
6.3 (12.6)
3.2 (6.3)
20480
151.1 (302.1)
50.4 (100.7)
25.2 (50.4)
12.6 (25.2)
6.3 (12.6)
3.2 (6.3)
24576
151.1 (302.1)
50.4 (100.7)
25.2 (50.4)
12.6 (25.2)
6.3 (12.6)
3.2 (6.3)
40960
151.1 (302.1)
50.4 (100.7)
25.2 (50.4)
12.6 (25.2)
6.3 (12.6)
3.2 (6.3)
49152
151.1 (302.1)
50.4 (100.7)
25.2 (50.4)
12.6 (25.2)
6.3 (12.6)
3.2 (6.3)
81920
151.1 (302.1)
50.4 (100.7)
25.2 (50.4)
12.6 (25.2)
6.3 (12.6)
3.2 (6.3)
98304
151.1 (302.1)
50.4 (100.7)
25.2 (50.4)
12.6 (25.2)
6.3 (12.6)
3.2 (6.3)
TABLE 2-2:
EFFECTIVE NUMBER OF BITS VS. GAIN VS. OSR (AVDD = DVDD = VREF = 3.3V,
TA = +25°C)
TOTAL
OSR
ENOB RMS (Peak-to-Peak) (bits)
GAIN =0.33
GAIN=1
GAIN=2
GAIN = 4
GAIN=8
GAIN=16
32
15.6 (12.8)
15.6 (12.8)
15.6 (12.7)
15.6 (12.7)
15.6 (12.7)
15.5 (12.6)
64
17 (15.2)
17 (15.2)
17 (15)
17 (14.9)
17 (14.5)
16.9 (14.2)
128
17 (16)
17 (15.9)
17 (15.9)
17 (15.6)
17 (15.3)
17 (14.9)
256
17 (16)
17 (16)
17 (16)
17 (16)
17 (15.7)
17 (15.4)
512
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
17 (15.9)
1024
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
2048
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
4096
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
8192
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
16384
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
20480
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
24576
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
40960
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
49152
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
81920
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
98304
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
17 (16)
Note:
To calculate noise RMS level and effective number of bits for a given gain and data rate, refer to the OSR
setting and associated data rate relationship shown in Table .



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