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參數資料
| 型號： | ADT7516 |
| 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： | 24/44頁 |
| 文件大?。?/td> | 1350K |
| 代理商： | ADT7516 |
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ADT7516/ADT7517/ADT7519
Analog Input ESD Protection
Figure 52 shows the input structure on any of the analog input
pins that provides ESD protection. The diode provides the main
ESD protection for the analog inputs. Care must be taken that
the analog input signal never drops below the GND rail by
more than 200 mV. If this happens, the diode will become
forward-biased and start conducting current into the substrate.
The 4 pF capacitor is the typical pin capacitance and the resistor
is a lumped component made up of the on resistance of the
multiplexer switch.
Rev. A | Page 24 of 44
4pF
AIN
100
0
Figure 52. Equivalent Analog Input ESD Circuit
AIN Interrupts
The measured results from the AIN inputs are compared with
the AIN V
HIGH
(greater than comparison) and V
LOW
(less than or
equal to comparison) limits. An interrupt occurs if the AIN
inputs exceed or equal the limit registers. These voltage limits
are stored in on-chip registers. Note that the limit registers are 8
bits long while the AIN conversion result is 10 bits long. If the
voltage limits are not masked out, then any out-of-limit com-
parisons generate flags that are stored in the Interrupt Status 1
register (Address = 00h) and one or more out-of-limit results
will cause the INT/INT output to pull either high or low
depending on the output polarity setting. It is good design
practice to mask out interrupts for channels that are of no
concern to the application. Figure 53 shows the interrupt
structure for the ADT7516/ ADT7517/ADT7519. It gives a
block diagram representation of how the various measurement
channels affect the INT/INT pin.
Upper deadband has been reached. DAC output is not capable of increasing.
See
.
Figure 9
WATCHDOG
LIMIT
COMPARISONS
INTERRUPT
MASK
REGISTERS
CONTROL
CONFIGURATION
REGISTER 1
ISTATUS
REGISTER
(TEMP AND
AIN1 TO AIN4)
INTERRUPT
STATUS
REGISTER 2
(V
DD
)
S
S
READ RESET
S/W RESET
INTERNAL
TEMP
INT/INT
(LATCHED OUTPUT)
INT/INT
ENABLE BIT
EXTERNAL
TEMP
V
DD
DIODE
FAULT
AIN1–AIN4
0
Figure 53. ADT7516/ADT7517/ADT7519 Interrupt Structure
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| ADT7516ARQ | SPI/I2C Compatible, Temperature Sensor, Four Channel ADC and Quad Voltage Output DAC |
| ADT7517ARQ | SPI/I2C Compatible, Temperature Sensor, Four Channel ADC and Quad Voltage Output DAC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADT7516_06 | 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 |
| ADT7516ARQ | 功能描述:IC TEMP SNSR QUAD DAC 16-QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標準包裝:2,500 系列:SilentSense™ 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:-55°C ~ 125°C，外部傳感器 精確度:±2°C 本地（最大），±3°C 遠程（最大） 拓撲:ADC（三角積分型），比較器，寄存器庫 輸出類型:I²C?/SMBus? 輸出警報:是 輸出風扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND |
| ADT7516ARQ-REEL | 制造商:Analog Devices 功能描述:Temp Sensor Digital Serial (4-Wire, SPI, I2C) 16-Pin QSOP T/R 制造商:Analog Devices 功能描述:TEMP SENSOR DGTL SERL (4-WIRE, SPI) 16QSOP - Tape and Reel |
| ADT7516ARQ-REEL7 | 制造商:Analog Devices 功能描述:Temp Sensor Digital Serial (4-Wire, SPI, I2C) 16-Pin QSOP T/R 制造商:Analog Devices 功能描述:TEMP SENSOR DGTL SERL (4-WIRE, SPI) 16QSOP - Tape and Reel |
| ADT7516ARQZ | 功能描述:IC TEMP SNSR QUAD DAC 16-QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標準包裝:3,000 系列:- 功能:溫度開關 傳感器類型:內部 感應溫度:85°C 分界點 精確度:±6°C（最小值） 拓撲:ADC（三角積分型），比較器，寄存器庫 輸出類型:開路漏極 輸出警報:是 輸出風扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應商設備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:ADT6501SRJZP085RL7-ND |
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