AD7653 Analog Devices, AD7653 Datasheet - Page 13

• Manufacturer Part Number: AD7653
• Manufacturer: Analog Devices

Specifications of AD7653

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 1MSPS
• Interface: Par,Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: Uni (Vref),Uni 2.5V
• Adc Architecture: SAR
• Pkg Type: CSP,QFP

Figure 12. SNR and S/(N+D) vs. Input Level (Referred to Full Scale)
–100
–110
–120
–50
–60
–70
–80
–90
92
91
90
88
87
86
85
84
83
82
89
88
87
86
85
89
–55
–60
1
Figure 11. THD, Harmonics, and SFDR vs. Frequency
Figure 13. SNR, S/(N+D), and ENOB vs. Temperature
–35
–50
–15
–40
10
S[N+D]
5
TEMPERATURE (°C)
ENOB
FREQUENCY (kHz)
SNR
INPUT LEVEL (dB)
THD
SECOND
HARMONIC
SFDR
25
–30
S/[N+D]
SNR
45
100
–20
65
THIRD
HARMONIC
85
–10
105
02966-0-031
02966-A-032
02966-0-033
1000
125
0
120
100
80
60
40
20
0
14.75
14.50
14.25
14.00
13.75
Rev. A | Page 13 of 28
100000
10000
Figure 16. Zero Error, Full Scale with Reference vs. Temperature
–105
–115
–125
0.001
1000
0.01
–95
100
0.1
–1
–2
–3
–4
–5
–6
10
6
5
4
3
2
1
0
–55
1
–55
10
Figure 14. THD and Harmonics vs. Temperature
AVDD, IMPULSE
Figure 15. Operating Current vs. Sample Rate
–35
–35
100
–15
–15
DVDD, WARP/NORMAL
AVDD, WARP/NORMAL
5
5
TEMPERATURE (°C)
SAMPLE RATE (SPS)
TEMPERATURE (°C)
1000
25
25
THD
45
45
10000
PDREF = PDBUF = HIGH
OVDD, ALL MODES
65
65
DVDD, IMPULSE
THIRD
HARMONIC
ZERO ERROR
FULL SCALE
100000
SECOND
HARMONIC
85
85
105
105
AD7653
02966-0-034
02966-0-040
02966-0-036
1000000
125
125