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| 型號： | AD7418ARUZ-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 10-Bit Digital Temperature Sensor (AD7416) and Single/Four-Channel ADC (AD7417/AD7418) |
| 中文描述： | 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| 封裝： | LEAD FREE, MO-153AB, TSSOP-16 |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 325K |
| 代理商： | AD7418ARUZ-REEL7 |
REV. G
AD7416/AD7417/AD7418
–3–
NOTES
1
B Version applies to AD7417 only with temperature range of
–
40
°
C to +85
°
C. A Version temperature range is
–
40
°
C to +125
°
C. For V
DD
= 2.7 V, T
A
= 85
°
C max
and temperature sensor measurement error =
±
3
°
C.
2
See Terminology.
3
Refers to the input current when the part is not converting. Primarily due to reverse leakage current in the ESD protection diodes.
4
Sample tested during initial release and after any redesign or process change that may affect this parameter.
5
On-chip reference shuts down when external reference is applied.
6
The accuracy of the temperature sensor is affected by reference tolerance. The relationship between the two is explained in the Temperature Sensor section.
Specifications subject to change without notice.
AD7416–SPECIFICATIONS
(V
DD
= 2.7 V to 5.5 V, GND = 0 V, REF
IN
= 2.5 V, unless otherwise noted.)
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
TEMPERATURE SENSOR AND ADC
Accuracy
±
2.0
°
C
T
A
=
–
25
°
C to +100
°
C
(V
DD
= 3 V min)
1
T
A
=
–
40
°
C to +125
°
C
(V
DD
= 3 V min)
1
±
3.0
°
C
Resolution
Temperature Conversion Time
Update Rate, t
R
OTI Delay
Supply Current
10
Bits
μ
s
μ
s
ms
mA
μ
A
μ
A
°
C
°
C
40
400
1
×
t
R
6
×
t
R
1.0
600
1.5
Depends on Fault Queue Setting
I
2
C Active
I
2
C Inactive
Shutdown Mode
350
0.2
80
75
T
OTI
Default Temperature
T
HYST
Default Temperature
DIGITAL INPUTS
Input High Voltage, V
IH
Input Low Voltage, V
IL
Input High Current, I
IH
Input Low Current, I
IL
Input Capacitance, C
IN
DIGITAL OUTPUTS
Output Low Voltage, V
OL
Output High Current
Output Fall Time, t
f
OS Output Low Voltage, V
OL
AC ELECTRICAL CHARACTERISTICS
2
Serial Clock Period, t
1
Data In Setup Time to SCL High, t
2
Data Out Stable after SCL Low, t
3
SDA Low Setup Time to SCL Low
(Start Condition), t
4
SDA High Hold Time after SCL High
(Stop Condition), t
5
SDA and SCL Fall Time, t
6
V
DD
×
0.7
–
0.3
V
DD
+ 0.5
V
DD
×
0.3
+1.0
–
1.0
V
V
μ
A
μ
A
pF
+0.005
–
0.005
20
V
IN
= 5 V
V
IN
= 0 V
All Digital Inputs
0.4
1
250
0.8
V
μ
A
ns
V
I
OL
= 3 mA
V
OH
= 5 V
C
L
= 400 pF, I
O
= 3 mA
I
OUT
= 4 mA
AD7416/AD7417/AD7418
See Figure 1
See Figure 1
See Figure 1
2.5
50
0
μ
s
ns
ns
50
ns
See Figure 1
50
ns
ns
See Figure 1
See Figure 1
300
NOTES
1
For V
= 2.7 V to 3 V, T
max = 85
°
C and accuracy =
±
3
°
C.
2
Sample tested during initial release and after any redesign or process change that may affect this parameter.
Specifications subject to change without notice.
t
4
t
2
t
3
t
5
SCL
SDA
DATA IN
SDA
DATA OUT
t
6
t
1
Figure 1. Diagram for Serial Bus Timing
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