EVAL-AD7719EB Analog Devices Inc, EVAL-AD7719EB Datasheet - Page 11

• Manufacturer Part Number: EVAL-AD7719EB
• Description: BOARD EVAL FOR AD7719
• Manufacturer: Analog Devices Inc

Specifications of EVAL-AD7719EB

• Rohs Status: RoHS non-compliant
• Number Of Adc's: 2
• Number Of Bits: 24
• Sampling Rate (per Second): 105
• Data Interface: Serial
• Inputs Per Adc: 3 Single Ended
• Input Range: 2 Vpp
• Power (typ) @ Conditions: 4.85mW @ 105SPS
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD7719

REV. A
TPC 1. Typical Noise Plot on ±20 mV Input Range with
19.79 Hz Update Rate
8389000
8388800
8388600
8388400
8388200
8389600
8389400
8389200
8388000
1
9
8
7
6
5
4
3
2
0
3.0
2.5
2.0
1.5
1.0
0.5
0
1.0
TPC 3. RMS Noise vs. Reference Input
TPC 2. Noise Distribution Histogram
0
AV
INPUT RANGE =
REFIN1(+)–REFIN1(–) = 2.5V
UPDATE RATE = 19.79Hz
AV
INPUT RANGE =
UPDATE RATE = 19.79Hz
V
T
REF
A
DD
DD
= 25 C
100
1.5
= 2.5V
= DV
= DV
200
DD
DD
2.0
= 5V
= 5V
2.56V RANGE
300
20mV
2.56V
2.5
READING NO.
400
V
REF
3.0
500
(V)
MAIN ADC IN BUFFERED MODE
RMS NOISE = 0.58 V rms
T
V
A
REF
= 25 C
600
3.5
= 2.5V
20mV RANGE
700
4.0
800
4.5
900
Typical Performance Characteristics–
5.0
1000
–11–
1400
1200
1000
1200
1000
22
20
26
24
18
16
800
600
400
200
800
400
200
600
TPC 4. No-Missing-Codes Performance
0
0
0
TPC 5. Temperature Sensor Accuracy
–30
TPC 6. Full-Scale Error Distribution
THE AMBIENT
TEMPERATURE VARIES
FROM 25 C TO 30 C
WHILE RECORDING
THE DATA FROM
THE DEVICES.
10
10
20
–20
30
TEMPERATURE SENSOR ( C)
MAIN CAL ACC. @ 4V ( V)
UPDATE RATE (Hz)
20
40
–10
50
60
30
0
70
80
40
10
AD7719
90
100
20
110
50