AD7621AST Analog Devices Inc, AD7621AST Datasheet - Page 12

• Manufacturer Part Number: AD7621AST
• Description: IC ADC 16BIT 2MSPS DIFF 48LQFP
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of AD7621AST

• Number Of Bits: 16
• Sampling Rate (per Second): 2M
• Data Interface: Serial, Parallel
• Number Of Converters: 1
• Power Dissipation (max): 86mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• For Use With: EVAL-AD7621CBZ - BOARD EVALUATION FOR AD7621
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD7621
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 7. Typical Reference Voltage Output vs. Temperature (3 Units)
160000
140000
120000
100000
2.0530
2.0525
2.0520
2.0515
2.0510
2.0505
2.0500
2.0495
2.0490
2.0485
2.0480
80000
60000
40000
20000
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
Figure 6. Histogram of 261,120 Conversions of a DC Input
0
0
0
–55
7FFC 7FFD 7FFE 7FFF 8000
0
–35
at the Code Center (External Reference)
Figure 5. Integral Nonlinearity vs. Code
13
16384
–15
2080
5
TEMPERATURE (°C)
51847
CODE IN HEX
25
CODE
32768
149969
45
54791
8001
65
49152
8002
2415
85
8003
5
σ
= 0.69
105
8004
65536
0
125
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Figure 10. Zero Error, Positive and Negative Full Scale vs. Temperature
160000
140000
120000
100000
80000
60000
40000
20000
–0.5
–1.0
1.5
1.0
0.5
–10
Figure 9. Histogram of 261,120 Conversions of a DC Input
0
10
–2
–4
–6
–8
0
8
6
4
2
0
0
–55
7FFC 7FFD 7FFE 7FFF
0
Figure 8. Differential Nonlinearity vs. Code
+FS
–35
at the Code Center (Internal Reference)
176
–FS
16384
–15
6644
ZERO ERROR
5
TEMPERATURE (°C)
60842
CODE IN HEX
25
32768
CODE
127317
8000
45
59637
8001
65
49152
6376
8002
85
8003
128
σ
= 0.82
105
8004
65536
0
125