參數(shù)資料
型號: ADT7517ARQ
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, Four Channel ADC and Quad Voltage Output DAC
中文描述: SPI/I2C兼容,溫度傳感器,四通道ADC和四路電壓輸出DAC
文件頁數(shù): 5/44頁
文件大?。?/td> 1350K
代理商: ADT7517ARQ
ADT7516/ADT7517/ADT7519
Parameter
1
ON-CHIP REFERENCE
Reference Voltage
4
Temperature Coefficient
4
OUTPUT CHARACTERISTICS
4
Output Voltage
6
Rev. A | Page 5 of 44
Min
0.001
Typ
2.28
80
Max
V
DD
0.1
Unit
V
ppm/°C
V
Conditions/Comments
This is a measure of the minimum and maximum
drive capability of the output amplifier.
V
DD
= 5 V.
V
DD
= 3 V.
Coming out of power-down mode. V
DD
= 5 V.
Coming out of power-down mode. V
DD
= 3.3 V.
V
IN
= 0 V to V
DD.
All digital inputs.
Input filtering suppresses noise spikes of less
than 50 ns.
Edge triggered input.
I
SOURCE
= I
SINK
= 200 μA.
I
OL
= 3 mA.
V
OH
= 5 V.
I
OUT
= 4 mA.
Fast Mode I
2
C. See Figure 2.
See Figure 2.
See Figure 2.
DC Output Impedance
Short Circuit Current
1.89
0.5
25
16
2.5
5
3
±1
0.8
10
50
mA
mA
μs
μs
μA
V
V
pF
ns
Power-Up Time
DIGITAL INPUTS
4
Input Current
V
IL
, Input Low Voltage
V
IH
, Input High Voltage
Pin Capacitance
SCL, SDA Glitch Rejection
LDAC Pulse Width
DIGITAL OUTPUT
Digital High Voltage, V
OH
Output Low Voltage, V
OL
Output High Current, I
OH
Output Capacitance, C
OUT
INT/INT Output Saturation Voltage
I
2
C TIMING CHARACTERISTICS
7,
8
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
SPI TIMING CHARACTERISTICS
4
,
9
CS to SCLK Setup Time, t
1
SCLK High Pulse Width, t
2
SCLK Low Pulse Width, t
3
Data Access Time after SCLK
Falling Edge, t
4
,
10
Data Setup Time Prior to SCLK
Rising Edge, t
5
Data Hold Time after SCLK Rising
Edge, t
6
CS to SCLK Hold Time, t
7
CS to DOUT High Impedance, t
8
20
2.4
0.4
1
50
0.8
ns
V
V
mA
pF
V
μs
ns
ns
ns
2.5
50
0
50
50
ns
See Figure 2.
0
50
50
90
35
ns
ns
ns
ns
ns
See Figure 2.
See Figure 3.
See Figure 3.
See Figure 3.
20
ns
See Figure 3.
0
ns
See Figure 3.
0
40
μs
ns
See Figure 3.
See Figure 3.
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