參數(shù)資料
型號(hào): EVAL-AD7719EBZ
廠商: Analog Devices Inc
文件頁數(shù): 3/40頁
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR AD7719
標(biāo)準(zhǔn)包裝: 1
ADC 的數(shù)量: 2
位數(shù): 16,24
采樣率(每秒): 105
數(shù)據(jù)接口: 串行
輸入范圍: 2 Vpp
在以下條件下的電源(標(biāo)準(zhǔn)): 4.85mW @ 105SPS
工作溫度: -40°C ~ 85°C
已用 IC / 零件: AD7719
已供物品:
REV. A
AD7719
–11–
Typical Performance Characteristics–
READING NO.
8389600
8389400
8388000
0
1000
100
CODE
READ
200
300
8389200
400
500
600
700
800
900
8389000
8388800
8388600
8388400
8388200
AVDD = DVDD = 5V
INPUT RANGE =
20mV
REFIN1(+)–REFIN1(–) = 2.5V
UPDATE RATE = 19.79Hz
MAIN ADC IN BUFFERED MODE
RMS NOISE = 0.58 V rms
TA = 25 C
VREF = 2.5V
TPC 1. Typical Noise Plot on ±20 mV Input Range with
19.79 Hz Update Rate
8
7
0
8388039
8388721
8388687
8388657
8388615
8388579
8388547
8388499
8388449
8388382
8388754
8389110
8389033
8388985
8388941
8388906
8388874
8388841
8388805
8388779
6
5
4
3
2
1
9
TPC 2. Noise Distribution Histogram
2.5
0
1.0
3.0
2.5
2.0
1.5
3.5
5.0
4.5
4.0
2.0
1.5
1.0
0.5
3.0
VREF (V)
RMS
NOISE
(
V)
20mV RANGE
2.56V RANGE
AVDD = DVDD = 5V
VREF = 2.5V
INPUT RANGE =
2.56V
UPDATE RATE = 19.79Hz
TA = 25 C
TPC 3. RMS Noise vs. Reference Input
16
040
30
20
10
50
100
90
80
70
60
24
22
20
18
26
UPDATE RATE (Hz)
NO
MISSING
CODES
(Min)
110
TPC 4. No-Missing-Codes Performance
TEMPERATURE SENSOR ( C)
1400
1200
0
50
30
10
20
40
HITS
800
600
400
200
1000
THE AMBIENT
TEMPERATURE VARIES
FROM 25 C TO 30 C
WHILE RECORDING
THE DATA FROM
THE DEVICES.
TPC 5. Temperature Sensor Accuracy
MAIN CAL ACC. @ 4V ( V)
1200
0
20
0
–20
–10
10
HITS
800
600
400
200
1000
–30
TPC 6. Full-Scale Error Distribution
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