MAX1402EVKIT Maxim Integrated Products, MAX1402EVKIT Datasheet - Page 28

• Manufacturer Part Number: MAX1402EVKIT
• Description: EVAL KIT FOR MAX1402
• Manufacturer: Maxim Integrated Products

Specifications of MAX1402EVKIT

• Number Of Adc's: 1
• Number Of Bits: 18
• Sampling Rate (per Second): 480
• Data Interface: Serial
• Inputs Per Adc: 6 Single Ended
• Input Range: ±VREF/2
• Power (typ) @ Conditions: 26.7mW @ 480SPS
• Voltage Supply Source: Analog and Digital
• Operating Temperature: 0°C ~ 70°C
• Utilized Ic / Part: MAX1402
• Interface Type: SMA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: MAX1402

+5V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
Table 16b. MAX1402 Noise vs. Gain and Output Data Rate—Buffered Mode,
V
Figure 8. Effective Resolution vs. Gain and Notch Frequency
The maximum possible signal divided by the noise of
the device, SNR
full-scale voltage (i.e., 2 · V
rms noise. Note that it is not calculated using peak-to-
28
OUTPUT
REF
DATA
RATE
(sps)
1200
1200
2400
2400
4800
300
600
100
120
600
200
240
400
480
50
60
Effective Resolution = (SNR
______________________________________________________________________________________
a) BUFF = 0
= 2.5V, f
FREQ.
157.2
157.2
314.4
314.4
628.8
104.8
125.7
628.8
-3dB
1258
(Hz)
13.1
15.7
78.6
26.2
31.4
52.4
62.9
20
19
18
17
16
15
14
13
12
11
10
1
dB
CLKIN
, is defined as the ratio of the input
FS1: FS0 = 3
FS1: FS0 = 2
2
142.02
823.33
143.45
830.30
148.57
851.32
144.96
803.87
4
6.05
7.11
8.10
8.37
6.55
7.40
6.60
7.58
x1
= 2.4576MHz
8
GAIN (V/V)
REFIN
16
405.95
408.48
408.09
394.00
dB
71.62
69.52
73.71
68.92
FS1: FS0 = 0 OR 1
4.13
4.24
3.66
4.12
3.21
3.89
3.83
4.14
32
x2
/ GAIN) to the output
- 1.76dB) / 6.02
64
CLK = 1
BUFF = 0
CLK = 1
128
195.95
201.87
202.57
205.60
35.65
36.04
36.80
35.92
2.35
2.54
2.25
2.53
1.92
2.24
2.21
2.28
TYPICAL OUTPUT NOISE IN µV
x4
PROGRAMMABLE GAIN
102.14
101.39
105.18
102.18
18.32
17.77
18.08
17.36
1.50
1.64
1.52
1.64
1.35
1.47
1.38
1.58
x8
peak output noise numbers. Peak-to-peak noise num-
bers can be up to 6.6 times the rms numbers, while
effective resolution numbers based on peak-to-peak
noise can be 2.5 bits below the effective resolution
based on rms noise, as quoted in the tables.
50.28
52.39
52.98
52.48
1.40
1.49
9.35
1.34
1.45
9.32
1.24
1.35
9.92
1.28
1.40
9.52
x16
b) BUFF = 1
25.85
26.77
25.71
26.07
RMS
20
19
18
17
16
15
14
13
12
11
10
1.32
1.53
5.60
1.31
1.49
5.48
1.16
1.29
5.26
1.21
1.34
5.45
x32
1
FS1: FS0 = 2
2
FS1: FS0 = 3
4
13.75
13.50
13.33
13.59
1.37
1.49
4.10
1.34
1.45
3.92
1.16
1.22
3.64
1.17
1.30
3.79
x64
8
GAIN (V/V)
16
FS1: FS0 = 0 OR 1
x128
32
1.39
1.48
3.52
7.78
1.35
1.46
3.41
7.87
1.10
1.25
3.02
7.97
1.21
1.31
3.21
7.89
CLK = 1
BUFF = 1
64
128
MF1:MF0 = 0
MF1:MF0 = 1
MF1:MF0 = 2
MF1:MF0 = 3
FS1:FS0 = 0
FS1:FS0 = 1
FS1:FS0 = 2
FS1:FS0 = 3
FS1:FS0 = 0
FS1:FS0 = 1
FS1:FS0 = 2
FS1:FS0 = 3
FS1:FS0 = 0
FS1:FS0 = 1
FS1:FS0 = 2
FS1:FS0 = 3
FS1:FS0 = 0
FS1:FS0 = 1
FS1:FS0 = 2
FS1:FS0 = 3
STATUS
BIT