EVAL-AD7798EBZ Analog Devices Inc, EVAL-AD7798EBZ Datasheet - Page 12

• Manufacturer Part Number: EVAL-AD7798EBZ
• Description: Evaluation Board I.c.
• Manufacturer: Analog Devices Inc

Specifications of EVAL-AD7798EBZ

• Number Of Adc's: 1
• Number Of Bits: 16
• Sampling Rate (per Second): 470
• Data Interface: Serial
• Inputs Per Adc: 3 Differential
• Input Range: ±VREF/gain
• Power (typ) @ Conditions: 2.5mW @ 470SPS
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 105°C
• Utilized Ic / Part: AD7798
• Kit Application Type: Data Converter
• Application Sub Type: ADC
• Features: Standalone USB Interface, Various Linking Options, PC Software For Control Of AD7798
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7798/AD7799
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 6. AD7799 Noise (V
Figure 8. AD7799 Noise (V
8388640
8388630
8388620
8388610
8388600
8388590
8388580
8388680
8388660
8388640
8388620
8388600
8388580
8388560
8388540
Figure 7. AD7799 Noise Distribution Histogram (V
50
40
30
20
10
0
0
0
Gain = 64, Update Rate = 4.17 Hz)
200
200
REF
REF
= AV
= AV
400
400
DD
DD
CODE
SAMPLES
SAMPLES
/2, Gain = 64, Update Rate = 4.17 Hz)
/2, Gain = 64, Update Rate = 16.7 Hz)
600
600
REF
800
800
= AV
DD
/2,
999
999
Rev. A | Page 12 of 28
Figure 9. AD7799 Noise Distribution Histogram (V
3.0
2.5
2.0
1.5
1.0
0.5
30
25
20
15
10
5
0
0
0
Figure 10. RMS Noise vs. Reference Voltage (Gain = 1)
V
UPDATE RATE = 16.6Hz
T
DD
A
= 25°C
0.5
= 5V
1.0
Gain = 64, Update Rate = 16.7 Hz)
1.5
REFERENCE VOLTAGE (V)
2.0
CODE
2.5
3.0
3.5
4.0
REF
= AV
4.5
DD
/2,
5.0