參數(shù)資料
型號: ADT7518ARQ-REEL
廠商: ANALOG DEVICES INC
元件分類: 溫度/濕度傳感器
英文描述: SPI/I2C Compatible, Temperature Sensor, 4-Channel ADC and Quad Voltage Output DAC
中文描述: DIGITAL TEMP SENSOR-SERIAL, 10BIT(s), 5Cel, RECTANGULAR, SURFACE MOUNT
封裝: MO-137-AB, QSOP-16
文件頁數(shù): 15/40頁
文件大?。?/td> 1217K
代理商: ADT7518ARQ-REEL
ADT7518
Rev. A | Page 15 of 40
0
TEMPERATURE (
°
C)
–30
0
40
85
120
1.5
T
°
C
–1.0
–0.5
0
0.5
1.0
EXTERNAL TEMPERATURE @ 3.3V
INTERNAL TEMPERATURE @ 5V
INTERNAL TEMPERATURE @ 3.3V
EXTERNAL TEMPERATURE @ 5V
Figure 28. Internal Temperature Error @ 3.3 V and 5 V
0
E
–1
0
1
2
3
–2
–3
–4
V
DD
= 3.3V
–40
–20
0
TEMPERATURE (
°
C)
20
40
60
80
100
120
GAIN ERROR
OFFSET ERROR
Figure 29. ADC Offset Error and Gain Error vs. Temperature
0
V
DD
(V)
E
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
–3
–2
–1
0
1
2
3
OFFSET ERROR
GAIN ERROR
Figure 30. ADC Offset Error and Gain Error vs. V
DD
0
15
T
°
C
–10
–5
0
5
10
–15
–20
–25
0
10
20
PCB LEAKAGE RESISTANCE (M
)
30
40
50
60
70
80
90
100
V
= 3.3V
TEMPERATURE = 25
°
C
D+ TO GND
D+ TO V
CC
Figure 31. External Temperature Error vs. PCB Leakage Resistance
0
T
°
C
–60
–50
–40
–30
–20
–10
0
V
DD
= 3.3V
0
5
10
15
20
CAPACITANCE (nF)
25
30
35
40
45
50
Figure 32. External Temperature Error vs. Capacitance between D+ and D–
0
10
T
°
C
0
2
4
6
8
–2
–4
–6
NOISE FREQUENCY (Hz)
V
= 3.3V
COMMON-MODE
VOLTAGE = 100mV
1
100
200
300
400
500
600
Figure 33. External Temperature Error vs. Common-Mode Noise Frequency
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