AD7663AST Analog Devices Inc, AD7663AST Datasheet - Page 9
![IC ADC 16BIT 250KSPS 48-LQFP](/photos/6/59/65923/505-48-lqfp_sml.jpg)
AD7663AST
Manufacturer Part Number
AD7663AST
Description
IC ADC 16BIT 250KSPS 48-LQFP
Manufacturer
Analog Devices Inc
Series
PulSAR®r
Datasheet
1.AD7663ASTZ.pdf
(24 pages)
Specifications of AD7663AST
Rohs Status
RoHS non-compliant
Number Of Bits
16
Sampling Rate (per Second)
250k
Data Interface
Serial, Parallel
Number Of Converters
1
Power Dissipation (max)
41mW
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
48-LQFP
For Use With
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REV. B
TPC 3. Typical Negative INL Distribution (446 Units)
TPC 2. Typical Positive INL Distribution (446 Units)
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
3.0
2.5
2.0
1.5
1.0
0.5
50
45
40
35
30
25
20
15
10
80
70
60
50
40
30
20
10
5
0
0
0
–3
0
0
TPC 1. Integral Nonlinearity vs. Code
–2.7
0.3
–2.4
0.6
16384
–2.1
0.9
NEGATIVE INL – LSB
POSITIVE INL – LSB
–1.8 –1.5
1.2
CODE
32768
1.5
–1.2
1.8
–0.9
2.1
49152
–0.6 –0.3
2.1
2.7
Typical Performance Characteristics–
65536
–9–
TPC 4. Histogram of 16,384 Conversions of a DC Input
at the Code Transition
TPC 5. Histogram of 16,384 Conversions of a DC Input
at the Code Center
8000
7000
6000
5000
4000
3000
2000
1000
9000
8000
7000
6000
5000
4000
3000
2000
1000
–100
–120
–140
–160
–180
–20
–40
–60
–80
–0
0
0
0
7FFD 7FFE 7FFF 8000 8001 8002 8003 8004 8004 8005
7FFC 7FFD 7FFE 7FFF 8000 8001 8002 8003 8004 8005 8006
0
0
0
0
25
2
TPC 6. FFT Plot
33
233
1800
FREQUENCY – kHz
3944
CODE IN HEXA
50
CODE IN HEXA
6802 6745
8032
3902
75
1000
271
4096 POINT FFT
FS = 250kHz
f
SNR = 90.1dB
SINAD = 89.8dB
THD = –100.5dB
SFDR = 102.7dB
IN
= 45kHz, –0.5dB
AD7663
4
0
100
0
0
0
0
125