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| 型號： | ADT7519ARQZ1-REEL7 |
| 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)： | 37/44頁 |
| 文件大?。?/td> | 1350K |
| 代理商： | ADT7519ARQZ1-REEL7 |
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ADT7516/ADT7517/ADT7519
AIN3 V
LOW
Limit Register (Read/Write) [Add. = 2Eh]
This limit register is an 8-bit read/write register that stores the
AIN3 input lower limit, which will cause an interrupt and
activate the INT/INT output (if enabled). For this to happen,
the measured AIN3 value has to be less than or equal to the
value in this register. Because it is an 8-bit register, the reso-
lution is four times less than the resolution of the 10-bit ADC.
The default value is 0 V.
Table 64. AIN3 V
LOW
Limit
D7
D6
D5
D4
D7
D6
D5
D4
0*
0*
0*
0*
Rev. A | Page 37 of 44
D3
D3
0*
D2
D2
0*
D1
D1
0*
D0
D0
0*
*Default settings at power-up.
AIN4 V
HIGH
Limit Register (Read/Write) [Add. = 2Fh]
This limit register is an 8-bit read/write register that stores the
AIN4 input upper limit, which will cause an interrupt and acti-
vate the INT/INT output (if enabled). For this to happen, the
measured AIN4 value has to be greater than the value in this
register. Because it is an 8-bit register, the resolution is four
times less than the resolution of the 10-bit ADC. The default
value is full-scale voltage.
Table 65. AIN4 V
HIGH
Limit
D7
D6
D5
D4
D7
D6
D5
D4
1*
1*
1*
1*
D3
D3
1*
D2
D2
1*
D1
D1
1*
D0
D0
1*
*Default settings at power-up.
AIN4 V
LOW
Limit Register (Read/Write) [Add. = 30h]
This limit register is an 8-bit read/write register that stores the
AIN4 input lower limit, which will cause an interrupt and
activate the INT/INT output (if enabled). For this to happen,
the measured AIN4 value has to be less than or equal to the
value in this register. Because it is an 8-bit register, the reso-
lution is four times less than the resolution of the 10-bit ADC.
The default value is 0 V.
Table 66. AIN4 V
LOW
Limit
D7
D6
D5
D4
D7
D6
D5
D4
0*
0*
0*
0*
D3
D3
0*
D2
D2
0*
D1
D1
0*
D0
D0
0*
*Default settings at power-up.
Device ID Register (Read-Only) [Add. = 4Dh]
This 8-bit read-only register indicates which part the device is
in the model range. ADT7516 = 03h, ADT7517 = 07h, and
ADT7519 = 0Bh.
Manufacturer’s ID Register (Read-Only) [Add. = 4Eh]
This register contains the manufacturer’s identification number.
ADI’s ID number is 41h.
Silicon Revision Register (Read-Only) [Add. = 4Fh]
This register is divided into the four LSBs representing the
stepping and the four MSBs representing the version. The
stepping contains the manufacturer’s code for minor revisions
or steppings to the silicon. The version is the ADT7516/
ADT7517/ADT7519 version number.
SPI Lock Status Register (Read-Only) [Add. = 7Fh]
Bit D0 (LSB) of this read-only register indicates whether or not
the SPI interface is locked. Writing to this register will cause the
device to malfunction. The default value is 00h.
0 = I
2
C interface.
1 = SPI interface selected and locked.
SERIAL INTERFACE
There are two serial interfaces that can be used on this part: I
2
C
and SPI. The device will power up with the serial interface in
I
2
C mode, but it is not locked into this mode. To stay in I
2
C
mode, it is recommended that the user tie the CS line to either
V
CC
or GND. It is not possible to lock the I
2
C mode, but it is
possible to select and lock the SPI mode.
To select and lock the interface into the SPI mode, a number of
pulses must be sent down the CS line (Pin 4). The following
section describes how this is done.
Once the SPI communication protocol has been locked in, it
cannot be unlocked while the device is still powered up. Bit D0
of the SPI lock status register (Address 7Fh) is set to 1 when a
successful SPI interface lock has been accomplished. To reset
the serial interface, the user must power down the part and
power it up again. A software reset does not reset the serial
interface.
Serial Interface Selection
The CS line controls the selection between I
2
C and SPI.
Figure 59 shows the selection process necessary to lock the SPI
interface mode.
To communicate to the ADT7516/ADT7517/ADT7519 using
the SPI protocol, send three pulses down the CS line as shown
in Figure 59. On the third rising edge (marked as C in
Figure 59), the part selects and locks the SPI interface. The user
is now limited to communicating to the device using the SPI
protocol.
As per most SPI standards, the CS line must be low during
every SPI communication to the ADT7516/ADT7517/
ADT7519 and high all other times. Typical examples of how to
connect the dual interface as I
2
C or SPI is shown in Figure 57
and Figure 58. The following sections describe in detail how to
use the I
2
C and SPI protocols associated with the ADT7516/
ADT7517/ADT7519.
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| ADT7519ARQ | SPI/I2C Compatible, Temperature Sensor, Four Channel ADC and Quad Voltage Output DAC |
| ADT7519ARQ-REEL | SPI/I2C Compatible, Temperature Sensor, Four Channel ADC and Quad Voltage Output DAC |
| ADT7517ARQ-REEL | SPI/I2C Compatible, Temperature Sensor, Four Channel ADC and Quad Voltage Output DAC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADT7519ARQZ-REEL | 功能描述:IC SENSOR TEMP QD ADC/DAC 16QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:SilentSense™ 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類型:內(nèi)部和外部 感應(yīng)溫度:-55°C ~ 125°C，外部傳感器 精確度:±2°C 本地（最大），±3°C 遠(yuǎn)程（最大） 拓?fù)?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(fēng)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(yīng)商設(shè)備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND |
| ADT7519ARQZ-REEL7 | 功能描述:IC SENSOR TEMP QD ADC/DAC 16QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:SilentSense™ 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類型:內(nèi)部和外部 感應(yīng)溫度:-55°C ~ 125°C，外部傳感器 精確度:±2°C 本地（最大），±3°C 遠(yuǎn)程（最大） 拓?fù)?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(fēng)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(yīng)商設(shè)備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND |
| ADT7519ARZQ | 制造商:Analog Devices 功能描述: |
| ADT75ARM | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| ADT75ARM-REEL | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
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