參數(shù)資料
型號: EVAL-AD7798EBZ
廠商: Analog Devices Inc
文件頁數(shù): 4/28頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD7798
標(biāo)準(zhǔn)包裝: 1
ADC 的數(shù)量: 1
位數(shù): 16
采樣率(每秒): 470
數(shù)據(jù)接口: 串行
輸入范圍: ±VREF/增益
在以下條件下的電源(標(biāo)準(zhǔn)): 2.5mW @ 470SPS
工作溫度: -40°C ~ 105°C
已用 IC / 零件: AD7798
已供物品: 板,纜線,CD
AD7798/AD7799
Data Sheet
Rev. B | Page 12 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
8388640
8388630
8388620
8388610
8388600
8388590
8388580
0
200
400
600
800
999
04856-006
SAMPLES
CODE
Figure 6. AD7799 Noise (VREF= AVDD/2, Gain = 64, Update Rate = 4.17 Hz)
50
40
30
20
10
0
8388581
8388590
8388600
8388610
8388620
8388630
8388635
04856-007
CODE
OCCURRENCE
Figure 7. AD7799 Noise Distribution Histogram (VREF = AVDD/2,
Gain = 64, Update Rate = 4.17 Hz)
8388680
8388660
8388640
8388620
8388600
8388580
8388560
8388540
0
200
400
600
800
999
04856-008
SAMPLES
CODE
Figure 8. AD7799 Noise (VREF= AVDD/2, Gain = 64, Update Rate = 16.7 Hz)
30
25
20
15
10
5
0
8388549
8388560
8388580
8388600
8388620
8388640
8388669
04856-009
CODE
OCCURRENCE
Figure 9. AD7799 Noise Distribution Histogram (VREF = AVDD/2,
Gain = 64, Update Rate = 16.7 Hz)
3.0
2.5
2.0
1.5
1.0
0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
04856-010
REFERENCE VOLTAGE (V)
RMS
NOISE
(
V)
VDD = 5V
UPDATE RATE = 16.6Hz
TA = 25°C
Figure 10. RMS Noise vs. Reference Voltage (Gain = 1)
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