LMP90100MHE National Semiconductor, LMP90100MHE Datasheet - Page 10

• Manufacturer Part Number: LMP90100MHE
• Description: AFE, SENSOR, 28TSSOP
• Manufacturer: National Semiconductor

Specifications of LMP90100MHE

• Brief Features: 24bit Low Power Sigma Delta ADC, Automatic Channel Sequencer
• Supply Voltage Range: 2.7V To 5.5V
• Operating Temperature Range: -40°C To +105°C
• Digital Ic Case Style: TSSOP
• No. Of Pins: 28
• Base: RoHS Compliant
• Ic Function: Multi-Channel, Low Power 24-bit Sensor AFE
• Rohs Compliant: Yes

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1.6775
3.355
6.71
13.42
26.83125
53.6625
107.325
214.65
1.6775
3.355
6.71
13.42
26.83125
53.6625
107.325
214.65
1.6775
3.355
6.71
13.42
26.83125
53.6625
107.325
214.65
1.6775
3.355
6.71
13.42
26.83125
53.6625
107.325
214.65
ODR (SPS)
ODR (SPS)
SPS
SPS
TABLE 1. ENOB (Noise Free Resolution) vs. Sampling Rate and Gain at VA = VIO = VREF = 3V
TABLE 3. ENOB (Noise Free Resolution) vs. Sampling Rate and Gain at VA = VIO = VREF = 5V
20.5 (18)
20 (17.5)
19.5 (17)
19 (16.5)
20.5 (18)
20 (17.5)
19.5 (17)
19 (16.5)
3.08
4.56
6.15
8.60
3.35
4.81
6.74
9.52
21.5 (19)
21 (18.5)
20.5 (18)
20 (17.5)
21.5 (19)
21 (18.5)
20.5 (18)
20 (17.5)
2.68
3.86
5.23
7.94
2.90
4.11
5.74
8.25
TABLE 2. RMS Noise (µV) vs. Sampling Rate and Gain at VA = VIO = VREF = 3V
TABLE 4. RMS Noise (µV) vs. Sampling Rate and Gain at VA = VIO = VREF = 5V
1
1
1
1
20.5 (18)
20 (17.5)
19.5 (17)
18.5 (16)
20 (17.5)
19.5 (17)
19 (16.5)
18.5 (16)
1.90
2.70
4.10
5.85
2.24
3.11
4.51
6.37
21.5 (19)
21 (18.5)
20 (17.5)
19.5 (17)
21 (18.5)
20.5 (18)
20 (17.5)
19.5 (17)
1.65
2.36
3.49
5.01
1.86
2.60
3.72
5.31
2
2
2
2
19.5 (17)
19 (16.5)
18.5 (16)
18 (15.5)
19.5 (17)
19 (16.5)
18.5 (16)
18 (15.5)
1.53
2.21
3.16
4.29
1.65
2.37
3.38
4.72
20.5 (18)
20 (17.5)
19.5 (17)
19 (16.5)
20.5 (18)
20 (17.5)
19.5 (17)
19 (16.5)
1.24
1.78
2.47
3.74
1.34
1.90
2.72
3.82
4
4
4
4
19 (16.5)
18.5 (16)
18 (15.5)
17.5 (15)
19 (16.5)
18.5 (16)
18 (15.5)
17.5 (15)
1.27
1.67
2.39
3.64
1.33
1.90
2.66
3.79
20 (17.5)
19.5 (17)
19 (16.5)
18.5 (16)
20 (17.5)
19.5 (17)
19 (16.5)
18.5 (16)
1.00
1.47
2.09
2.94
1.08
1.50
2.11
2.97
Gain of the ADC
Gain of the ADC
Gain of the ADC
10
8
8
8
8
Gain
20.5 (18)
20 (17.5)
19.5 (17)
19 (16.5)
20 (17.5)
19.5 (17)
19 (16.5)
18.5 (16)
0.23
0.34
0.51
0.67
0.33
0.44
0.63
0.90
21 (18.5)
20.5 (18)
20 (17.5)
20 (17.5)
21 (18.5)
20.5 (18)
20 (17.5)
19.5 (17)
0.22
0.34
0.44
0.61
0.29
0.39
0.56
0.79
16
16
16
16
19.5 (17)
19 (16.5)
18.5 (16)
18 (15.5)
19 (16.5)
18.5 (16)
18 (15.5)
17.5 (15)
0.21
0.27
0.40
0.54
0.27
0.39
0.54
0.79
20.5 (18)
20 (17.5)
19.5 (17)
19 (16.5)
20 (17.5)
19.5 (17)
19 (16.5)
18.5 (16)
0.19
0.27
0.34
0.50
0.24
0.35
0.48
0.68
32
32
32
32
19 (16.5)
18.5 (16)
17.5 (15)
17.5 (15)
18 (15.5)
17.5 (15)
17 (14.5)
17 (14.5)
0.15
0.24
0.37
0.51
0.26
0.37
0.52
0.72
19.5 (17)
19 (16.5)
19 (16.5)
18 (15.5)
19.5 (17)
18.5 (16)
18 (15.5)
17.5 (15)
0.17
0.22
0.30
0.45
0.23
0.32
0.46
0.64
64
64
64
64
18 (15.5)
17 (14.5)
17 (14.5)
16.5 (14)
17.5 (15)
17 (14.5)
16.5 (14)
16 (13.5)
0.14
0.26
0.35
0.49
0.25
0.36
0.49
0.70
18.5 (16)
18 (15.5)
17.5 (15)
17.5 (15)
18 (15.5)
17.5 (15)
17 (14.5)
16.5 (14)
0.16
0.22
0.32
0.43
0.23
0.31
0.44
0.63
128
128
128
128