參數資料
型號: AD7814ART
廠商: ANALOG DEVICES INC
元件分類: 溫度/濕度傳感器
英文描述: 10-Bit Digital Temperature Sensor in 6-Lead SOT-23
中文描述: DIGITAL TEMP SENSOR-SERIAL, 10BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT
封裝: PLASTIC, SOT-23, 6 PIN
文件頁數: 2/8頁
文件大小: 101K
代理商: AD7814ART
REV. B
–2–
AD7814–SPECIFICATIONS
1, 2
Parameter
Min
Typ
Max
Units
Test Conditions/Comments
TEMPERATURE SENSOR AND ADC
Accuracy
±
2.0
±
2.5
±
3.5
°
C
°
C
°
C
Bits
μ
s
μ
s
T
A
= 0
°
C to +85
°
C. V
DD
= +3 V to +5.5 V
3
T
A
= –40
°
C to 0
°
C. V
DD
= +3 V to +5.5 V
3
T
A
= –55
°
C to +125
°
C. V
DD
= +3 V to +5.5 V
±
2.0
10
400
25
Resolution
Update Rate, t
R
Temperature Conversion Time
SUPPLIES
Supply Voltage
Supply Current
Normal Mode
Shutdown Mode
Power Dissipation
Power Dissipation
1 sps
10 sps
100 sps
2.7
5.5
V
For Specified Performance
250
1
80
400
3
μ
A
μ
A
μ
W
V
DD
= +3 V. Using Normal Mode
V
DD
= +3 V. Using Shutdown Mode
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
2.4
V
V
μ
A
pF
0.8
±
1
10
V
IN
= 0 V to V
DD
All Digital Inputs
V
DD
– 0.3 V
I
SOURCE
= I
SINK
= 200
μ
A
I
OL
= 200
μ
A
0.4
50
V
pF
NOTES
1
All specifications apply for –55
°
C to +125
°
C unless otherwise stated.
2
Guaranteed by design and characterization, not production tested.
3
For V
DD
= +2.7 V to +3 V and T
A
= –40
°
C to +85
°
C, the typical temperature error is
±
2
°
C.
Specifications subject to change without notice.
TIMING CHARACTERISTICS
1, 2, 3
Parameter
Limit
Units
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
CS
to SCLK Setup Time
SCLK High Pulsewidth
SCLK Low Pulsewidth
Data Access Time After SCLK Falling Edge
Data Setup Time Prior to SCLK Rising Edge
Data Hold Time After SCLK Rising Edge
CS
to SCLK Hold Time
CS
to DOUT 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
See Figure 2.
4
Measured with the load circuit of Figure 1.
(T
A
= T
MIN
to T
MAX
, V
DD
= +2.7 V to +5.5 V, unless otherwise noted)
(T
A
= T
MIN
to T
MAX
, V
DD
= +2.7 V to +5.5 V, unless otherwise noted)
相關PDF資料
PDF描述
AD7814 10-Bit Digital Temperature Sensor in 6-Lead SOT-23(10位數字溫度傳感器)
AD7816 10-Bit ADCs with On-Chip Temperature Sensor(10位A/D轉換器)
AD7817 10-Bit ADCs with On-Chip Temperature Sensor(四通道,10位A/D轉換器)
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