MAX1403EAI+ Maxim Integrated Products, MAX1403EAI+ Datasheet - Page 27

• Manufacturer Part Number: MAX1403EAI+
• Description: IC ADC 18BIT LP 28-SSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1403EAI+

• Number Of Bits: 18
• Sampling Rate (per Second): 480
• Data Interface: QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 21.45mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Number Of Adc Inputs: 5
• Architecture: Delta-Sigma
• Conversion Rate: 4.8 KSPs
• Resolution: 18 bit
• Input Type: Voltage
• Interface Type: Serial
• Voltage Reference: External
• Supply Voltage (max): 3 V
• Maximum Power Dissipation: 21.45 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Input Signal Type: Pseudo-Differential, Differential
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 7. Effective Resolution vs. Gain and Notch Frequency
Table 16b. Noise vs. Gain and Output Data Rate—Buffered Mode, V
f
CLKIN
OUTPUT
DATA
RATE
(sps)
1200
1200
2400
2400
4800
300
600
100
120
600
200
240
400
480
50
60
a) BUFF = 0
= 2.4576MHz
FREQ.
157.2
157.2
314.4
314.4
628.8
104.8
125.7
628.8
20
19
18
17
16
15
14
13
12
11
10
-3dB
1258
(Hz)
13.1
15.7
78.6
26.2
31.4
52.4
62.9
1
______________________________________________________________________________________
FS1: FS0 = 3
FS1: FS0 = 2
2
4
5.72
6.29
80.6
5.82
6.01
77.7
5.82
6.17
79.0
5.60
6.18
76.3
436
434
439
455
+3V, 18-Bit, Low-Power, Multichannel,
x1
8
GAIN (V/V)
16
3.21
3.57
39.8
3.35
3.65
40.1
3.07
3.54
41.1
3.10
3.47
39.3
225
222
226
225
FS1: FS0 = 0 OR 1
32
x2
Oversampling (Sigma-Delta) ADC
64
CLK = 1
BUFF = 0
CLK = 1
128 256
FOR VARIOUS PROGRAMMABLE GAINS
2.10
2.30
19.3
2.08
2.27
20.2
1.87
2.09
19.8
1.85
2.02
20.8
116
111
111
114
x4
TYPICAL OUTPUT NOISE (µV
1.41
1.55
10.2
57.1
1.43
1.51
10.6
57.0
1.26
1.45
10.5
57.9
1.32
1.38
9.83
57.1
x8
1.42
1.61
6.14
28.8
1.37
1.51
5.93
28.3
1.20
1.30
5.68
28.7
1.24
1.37
5.92
29.9
x16
b) BUFF = 1
RMS
1.44
1.56
4.25
15.0
1.36
1.50
4.19
14.8
1.18
1.27
3.68
15.4
1.25
1.29
3.92
14.5
x32
20
19
18
17
16
15
14
13
12
11
10
)
1
FS1: FS0 = 2
2
FS1: FS0 = 3
1.38
1.49
3.03
8.70
1.35
1.50
3.54
8.37
1.15
1.31
3.14
8.26
1.19
1.33
3.92
8.13
x64
4
REF
8
GAIN (V/V)
16
x128
1.34
1.56
3.52
5.99
1.31
1.47
3.23
5.81
1.17
1.29
2.99
5.32
1.21
1.33
3.07
5.55
FS1: FS0 = 0 OR 1
= 1.25V,
32
CLK = 1
BUFF = 1
64
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
128
STATUS
BIT
256
27