AD7694BRMZ Datasheet, PDF (10/16 Pages) Analog Devices – 16-Bit, 250 kSPS PulSAR® ADC in MSOP

AD7694
100
17
95
SNR
90
S/[N+D]
85
16
15
ENOB
14
80
2.5
3.0
3.5
4.0
4.5
REFERENCE VOLTAGE (V)
13
5.0
Figure 11. SNR, S/(N + D), and ENOB vs. Reference Voltage
100
95
90
85
80
75
70
0
V_REF = 5V, –10dB
V_REF = 5V, –1dB
V_REF = 2.5V, –1dB
50
100
150
200
FREQUENCY (kHz)
Figure 12. S/[N + D] vs. Frequency
–80
–85
–90
–95
–100
–105
–110
–115
0
V_REF = 2.5V, –1dB
V_REF = 5V, –1dB
40
80
120
160
200
FREQUENCY (kHz)
Figure 13. THD vs. Frequency
1200
1000
800
f_S = 100kSPS
600
400
200
0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
SUPPLY (V)
Figure 14. Operating Current vs. Supply
900
VDD = 5V, f_S = 100kSPS
800
700
VDD = 2.7V, f_S = 100kSPS
600
500
400
300
200
100
0
–55 –35 –15
5 25 45 65
TEMPERATURE (°C)
85 105 125
Figure 15. Operating Current vs. Temperature
1000
750
500
250
0
–55 –35 –15
5 25 45 65
TEMPERATURE (°C)
85 105 125
Figure 16. Power-Down Current vs. Temperature
Rev. A | Page 10 of 16