AD7655AST Analog Devices Inc, AD7655AST Datasheet - Page 13

• Manufacturer Part Number: AD7655AST
• Description: IC ADC 16BIT 1MSPS QUAD 48-LQFP
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of AD7655AST

• Rohs Status: RoHS non-compliant
• Number Of Bits: 16
• Sampling Rate (per Second): 1M
• Data Interface: Serial, Parallel
• Number Of Converters: 1
• Power Dissipation (max): 135mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• For Use With: EVAL-AD7655CBZ - BOARD EVALUATION FOR AD7655

–105
–110
–100
–75
–80
–85
–95
–90
100
Figure 12. THD, Harmonics, Crosstalk, and SFDR vs. Frequency
–1
–2
–3
–4
–5
95
90
85
80
75
70
5
4
3
2
1
0
1
–55
Figure 13. Full-Scale Error and Zero Error vs. Temperature
1
FULL-SCALE ERROR
CROSSTALK A TO B
Figure 11. SNR, SINAD, and ENOB vs. Frequency
–35
CROSSTALK B TO A
SFDR
THIRD HARMONIC
–15
10
10
5
FREQUENCY (kHz)
TEMPERATURE (°C)
FREQUENCY (kHz)
THD
25
SECOND HARMONIC
45
100
ZERO ERROR
100
65
ENOB
85
SNR
105
SINAD
1000
125
1000
100
95
75
70
105
90
85
80
15.5
15.0
13.5
13.0
16.0
14.5
14.0
Rev. B | Page 13 of 28
0.0001
0.001
0.01
100
0.1
10
50
40
30
20
10
0
1
0
1
NORMAL DVDD
IMPULSE AVDD
OVDD 2.7V
Figure 15. Typical Delay vs. Load Capacitance C
Figure 14. Operating Currents vs. Sample Rate
50
OVDD = 2.7V @ 25°C
SAMPLING RATE (kSPS)
10
OVDD = 5V @ 25°C
IMPULSE DVDD
C
L
100
(pF)
OVDD = 2.7V @ 85°C
100
OVDD = 5V @ 85°C
NORMAL AVDD
150
L
AD7655
1000
200