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參數(shù)資料
| 型號(hào)： | AD7314ARM |
| 廠商： | ANALOG DEVICES INC |
| 元件分類(lèi)： | 溫度/濕度傳感器 |
| 英文描述： | Low-Voltage, 10-Bit Digital Temperature Sensor in 8-Lead uSOIC |
| 中文描述： | DIGITAL TEMP SENSOR-SERIAL, 10BIT(s), 2Cel, SQUARE, SURFACE MOUNT |
| 封裝： | MO-187AA, MSOP-8 |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大?。?/td> | 97K |
| 代理商： | AD7314ARM |
REV. 0
–2–
AD7314–SPECIFICATIONS
1
(T
A
= T
MIN
to T
MAX
, V
DD
= 2.65 V to 2.9 V, unless otherwise noted.)
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
TEMPERATURE SENSOR AND ADC
Accuracy
Resolution
Update Rate, t
R
Temperature Conversion Time
±
2.0
°
C
Bits
μ
s
μ
s
T
A
= –35
°
C to +85
°
C.
10
400
25
SUPPLIES
Supply Voltage
Supply Current
Normal Mode (Inactive)
Normal Mode (Active)
Shutdown Mode
Power Dissipation
2.65
2.9
V
For Specified Performance
250
1
300
μ
A
mA
μ
A
μ
W
Part not Converting
Part Converting
1
860
V
DD
= 2.65 V. Using Normal Mode
(Auto Conversion)
V
DD
= 2.65 V. Using Shutdown Mode
Power Dissipation
1 sps
10 sps
100 sps
3
3.3
6
μ
W
μ
W
μ
W
DIGITAL INPUT
Input High Voltage, V
IH
Input Low Voltage, V
IL
Input Current, I
IN
Input Capacitance, C
IN
DIGITAL OUTPUT
Output High Voltage, V
OH
Output Low Voltage, V
OL
Output Capacitance, C
OUT
1.85
V
V
μ
A
pF
V
DD
= 2.65 V to 2.9 V
V
DD
= 2.65 V to 2.9 V
V
IN
= 0 V to V
DD
All Digital Inputs
0.53
±
1
10
2.4
V
V
pF
I
SOURCE
= I
SINK
= 200
μ
A
I
OL
= 200
μ
A
0.4
50
NOTES
1
All specifications apply for –35
°
C to +85
°
C unless otherwise noted.
Specifications subject to change without notice.
TIMING CHARACTERISTICS
1, 2
Parameter
Limit
Unit
Comments
t
1
t
2
t
3
t
44
t
5
t
6
t
7
t
84
0
50
50
35
20
0
0
40
ns min
ns min
ns min
ns max
ns min
ns min
ns min
ns max
CE to SCLK Setup Time
SCLK High Pulsewidth
SCLK Low Pulsewidth
Data Access Time After SCLK Rising Edge
Data Setup Time Prior to SCLK Falling Edge
Data Hold Time After SCLK Falling Edge
CE to SCLK Hold Time
CE to SDO High Impedance
NOTES
1
Guaranteed by design and characterization, not production tested.
2
All input signals are specified with tr = tf = 5 ns (10% to 90% of V
DD
) and timed from a voltage level of 1.6 V.
3
All specifications apply for –35
°
C to +85
°
C unless otherwise noted.
4
Measured with the load circuit of Figure 2.
Specifications subject to change without notice.
(T
A3
= T
MIN
to T
MAX
, V
DD
= 2.65 V to 2.9 V, unless otherwise noted. See Figure 1.)
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