AD7664 Analog Devices, AD7664 Datasheet - Page 8

• Manufacturer Part Number: AD7664
• Manufacturer: Analog Devices

Specifications of AD7664

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 570kSPS
• Interface: Par,Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (Vref) p-p,Uni (Vref)
• Adc Architecture: SAR
• Pkg Type: CSP,QFP

AD7664
TPC 2. Histogram of 16,384 Conversions of a DC Input
at the Code Transition
TPC 3. Typical Positive INL Distribution (600 Units)
140
130
120
110
100
8000
7000
6000
5000
4000
3000
2000
1000
90
80
70
60
50
40
30
20
10
–0.5
–1.0
–1.5
–2.0
–2.5
0
2.5
2.0
1.5
1.0
0.5
0
0
0
0
TPC 1. Integral Nonlinearity vs. Code
7F86
–Typical Performance Characteristics
0
7F87
0
0.5
7F88
16384
12
POSITIVE INL (LSB)
7F89
753
1.0
CODE – Hexa
7F8A
7288 7148
CODE
32768
7F8B
1.5
7F8C
1173
7F8D
49152
10
2.0
7F8E
0
7F8F
0
2.5
65536
–8–
TPC 5. Histogram of 16,384 Conversions of a DC Input
at the Code Center
TPC 6. Typical Negative INL Distribution (600 Units)
10000
–0.25
–0.50
–0.75
–1.00
9000
8000
7000
6000
5000
4000
3000
2000
1000
1.50
1.25
1.00
0.75
0.50
0.25
180
170
160
150
140
130
120
110
100
90
80
70
60
50
40
30
20
10
–2.5
0
0
0
TPC 4. Differential Nonlinearity vs. Code
0
7FB3
0
7FB4
0
–2.0
16384
7FB5
136
NEGATIVE INL (LSB)
3340
7FB6
–1.5
CODE – Hexa
CODE
9008
7FB7
32768
–1.0
3643
7FB8
7FB9
257
49152
–0.5
7FBA
0
7FBB
0
65536
0.0
REV. E