AD7660AST Analog Devices Inc, AD7660AST Datasheet - Page 8

• Manufacturer Part Number: AD7660AST
• Description: IC ADC 16BIT UNIPOLAR 48-LQFP
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of AD7660AST

• Rohs Status: RoHS non-compliant
• Number Of Bits: 16
• Sampling Rate (per Second): 100k
• Data Interface: Serial, Parallel
• Number Of Converters: 1
• Power Dissipation (max): 25mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• For Use With: EVAL-AD7660CBZ - BOARD EVALUATION FOR AD7660

AD7660
–0.25
–0.50
–0.75
–1.00
–100
–120
–140
–160
–180
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.00
–20
–40
–60
–80
TPC 4. Differential Nonlinearity
vs. Code
–1
–2
–3
3
2
1
0
0
0
0
TPC 1. Integral Nonlinearity
vs. Code
0
4096 POINT FFT
f
f
SNR = 90.14dB
SINAD = 89.94dB
THD = –101.37dB
SFDR = 110dB
IN
S
= 100kHz
10
16384
= 45kHz
TPC 7. FFT Plot
–Typical Performance Characteristics
16384
FREQUENCY – kHz
20
32768
CODE
CODE
32768
30
49152
49152
40
65536
65536
50
TPC 8. THD, Harmonics, and SFDR
vs. Frequency
–100
–110
–120
–130
30
25
20
15
10
35
30
25
20
15
10
–60
–70
–80
–90
5
0
5
0
–3.0
0
TPC 5. Typical Negative INL
Distribution (350 Units)
TPC 2. Typical Positive INL
Distribution (350 Units)
1
SECOND HARMONIC
THIRD HARMONIC
SFDR
THD
0.6
–2.4
POSITIVE INL – LSB
NEGATIVE INL – LSB
FREQUENCY – kHz
10
1.2
–1.8
–8–
–1.2
1.8
100
–0.6
2.4
3.0
1000
0
120
110
100
90
80
70
60
10000
8000
7000
6000
5000
4000
3000
2000
1000
–100
–110
–120
–130
–140
8000
6000
4000
2000
–60
–70
–80
–90
0
0
–90
8008
8009
TPC 3. Histogram of 16,384
Conversions of a DC Input
at the Code Transition
TPC 6. Histogram of 16,384
Conversions of a DC Input
at the Code Center
TPC 9. THD, Harmonics vs.
Input Level
0
0
–80
8009
800A
0
0
–70
800A
SECOND HARMONIC
13
800B
161
1213
800B
–60
INPUT LEVEL – dB
800C
3489
CODE – Hex
CODE – Hex
7219
800C
–50
800D
9026
800D
7051
THIRD HARMONIC
–40
800E
3520
800E
879
–30
800F
188
800F
THD
9
–20
8010
8010
REV. D
0
0
–10
8011
8011
0
0
0