EVAL-AD7291SDZ Analog Devices Inc, EVAL-AD7291SDZ Datasheet - Page 9

• Manufacturer Part Number: EVAL-AD7291SDZ
• Description: Evaluation Control Board
• Manufacturer: Analog Devices Inc
• Series: -r

Specifications of EVAL-AD7291SDZ

• Rohs Compliant: YES
• Silicon Manufacturer: Analog Devices
• Kit Application Type: Interface
• Application Sub Type: ADC
• Features: Channel Sequencer Operation, Alert Function, Autocycle Mode
• Number Of Adc's: 8
• Number Of Bits: 12
• Sampling Rate (per Second): 22.22k
• Data Interface: I²C
• Input Range: -
• Power (typ) @ Conditions: -
• Operating Temperature: -
• Utilized Ic / Part: AD7291
• Silicon Core Number: AD7291
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 11. Response to Thermal Shock from Room Temperature into 50°C
Figure 12. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
–100
–102
–104
–106
–108
–110
–90
–92
–94
–96
–98
3.0
2.5
2.0
1.5
1.0
0.5
55
50
45
40
35
30
25
20
0
1k
0
0
V
V
V
DD
DRIVE
DD
= 3V
= V
0.5
Figure 10. V
= 3V
DRIVE
10k
20
1.0
= 3V
RIPPLE FREQUENCY (Hz)
1.5
REF
CURRENT LOAD (mA)
100k
vs. Reference Output Drive
TIME (Seconds)
40
Stirred Oil
2.0
2.5
1M
60
3.0
10M
3.5
80
4.0
100M
100
4.5
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Figure 14. SINAD vs. Reference Voltage, f
–0.5
–1.0
–1.5
–2.0
125
120
115
110
105
100
1.5
1.0
0.5
72
71
70
69
95
90
85
80
75
0
–40
0
1
Figure 13. Channel-to-Channel Isolation, f
V
V
DRIVE
DD
–25
= 3V
Figure 15. Temperature Accuracy at 3 V
= 3V
–10
0.5
5
EXTERNAL REFERENCE (V)
10
TEMPERATURE (°C)
20
1.0
f
NOISE
35
(kHz)
50
SCL
1.5
= 400 kHz, f
65
100
V
f
SCL
80
DD
IN
= V
= 400kHz
= 10 kHz
2.0
95
DRIVE
s
= 22.22 kSPS
AD7291
110 125
= 3V
2
1k
.5