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參數資料
| 型號： | ADT7518ARQZ |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 5/40頁 |
| 文件大?。?/td> | 891K |
| 描述： | IC SENSOR TEMP QD ADC/DAC 16QSOP |
| 標準包裝： | 98 |
| 功能： | 溫度監控系統（傳感器） |
| 傳感器類型： | 內部和外部 |
| 感應溫度： | -40°C ~ 120°C，外部傳感器 |
| 精確度： | ±3°C（最小值） |
| 拓撲： | ADC，比較器，多路復用器，寄存器庫 |
| 輸出類型： | I²C?，MICROWIRE?，QSPI?，SPI? |
| 輸出警報： | 無 |
| 輸出風扇： | 無 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 120°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SSOP（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 16-QSOP |
| 包裝： | 托盤 |
| 產品目錄頁面： | 798 (CN2011-ZH PDF) |
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ADT7518
Rev. A | Page 5 of 40
Parameter
1
Min
Typ
Max
Unit
Conditions/Comments
DIGITAL OUTPUT
Digital High Voltage, V
OH
2.4
V
I
SOURCE
= I
SINK
= 200 礎.
Output Low Voltage, V
OL
0.4
V
I
OL
= 3 mA.
Output High Current, IOH
1
mA
VOH = 5 V.
Output Capacitance, COUT
50
pF
INT/INT
Output Saturation Voltage
0.8
V
IOUT = 4 mA.
I
2
C TIMING CHARACTERISTICS
8,
9
Serial Clock Period, t1
2.5
祍
Fast Mode I
2
C. See Figure 2.
Data In Setup Time to SCL High, t
2
50
ns
Data Out Stable after SCL Low, t
3
0
ns
See Figure 2.
SDA Low Setup Time to SCL
Low (Start Condition), t4
50
ns
See Figure 2.
SDA High Hold Time after SCL
High (Stop Condition), t5
50
ns
See Figure 2.
SDA and SCL Fall Time, t
6
90
ns
See Figure 2.
SPI TIMING CHARACTERISTICS
4,
10
CS
to SCLK Setup Time, t1
0
ns
See Figure 3.
SCLK High Pulse Width, t
2
50
ns
See Figure 3.
SCLK Low Pulse Width, t
3
50
ns
See Figure 3.
Data Access Time after SCLK
Falling Edge, t4
11
35
ns
Data Setup Time Prior to SCLK
Rising Edge, t
5
20
ns
See Figure 3.
Data Hold Time after SCLK Rising
Edge, t
6
0
ns
See Figure 3.
CS
to SCLK Hold Time, t7
0
祍
See Figure 3.
CS
to DOUT High Impedance, t8
40
ns
See Figure 3.
POWER REQUIREMENTS
VDD
2.7
5.5
V
VDD Settling Time
50
ms
VDD settles to within 10% of its final voltage level.
IDD (Normal Mode)
12
3
mA
VDD = 3.3 V, VIH = VDD, and VIL = GND.
2.2
3
mA
V
DD
= 5 V, V
IH
= V
DD
, and V
IL
= GND.
I
DD
(Power-Down Mode)
10
礎
V
DD
= 3.3 V, V
IH
= V
DD
, and V
IL
= GND.
10
礎
V
DD
= 5 V, V
IH
= V
DD
, and V
IL
= GND.
Power Dissipation
10
mW
VDD = 3.3 V. Normal mode.
33
礧
VDD = 3.3 V. Shutdown mode.
1
See the
section.
Terminology
2
DC specifications are tested with the outputs unloaded.
3
Linearity is tested using a reduced code range: ADT7518 (Code 8 to 255).
4
Guaranteed by design and characterization, not production tested.
5
Round robin is the continuous sequential measurement of the following channels: V
DD
, internal temperature, external temperature (AIN1, AIN2), AIN3, and AIN4.
6
The temperature accuracy specifications are valid when the internal reference is not being used by the on-chip DAC. For new designs, the ADT7519 is recommended
as it does not have this limitation.
7
For the amplifier output to reach its minimum voltage, the offset error must be negative. For the amplifier output to reach its maximum voltage (VREF = VDD), the offset
plus gain error must be positive.
8
The SDA and SCL timing is measured with the input filters turned on to meet the fast-mode I
2
C specification. Switching off the input filters improves the transfer rate
but has a negative effect on the EMC behavior of the part.
9
Guaranteed by design, not production tested.
10
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.
11
Measured with the load circuit shown in Figure 4.
12
The I
DD
specification is valid for all DAC codes and full-scale analog input voltages. Interface inactive. All DACs and ADCs active. Load currents excluded.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADT7518ARQZ-REEL | 制造商:Analog Devices 功能描述:Temp Sensor Analog Serial (4-Wire, SPI, I2C) 16-Pin QSOP T/R |
| ADT7518ARQZ-REEL7 | 制造商:Analog Devices 功能描述:Temp Sensor Analog Serial (4-Wire, SPI, I2C) 16-Pin QSOP T/R |
| ADT7519 | 制造商:AD 制造商全稱:Analog Devices 功能描述:SPI-/I2C-Compatible, Temperature Sensor,4-Channel ADC and Quad Voltage Output |
| ADT7519ARQ | 制造商:Analog Devices 功能描述:Temp Sensor Digital Serial (4-Wire, SPI, I2C) 16-Pin QSOP |
| ADT7519ARQ-REEL | 制造商:Analog Devices 功能描述:Temp Sensor Digital Serial (4-Wire, SPI, I2C) 16-Pin QSOP T/R |
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