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參數(shù)資料
| 型號(hào)： | 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)： | 29/44頁 |
| 文件大?。?/td> | 1350K |
| 代理商： | ADT7517ARQ |
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ADT7516/ADT7517/ADT7519
RD/WR
Address
15h
16h
Rev. A | Page 29 of 44
Name
Power-On
Default
00h
00h
DAC C MSBs
DAC D LSBs
(ADT7516/ADT7517 only)
DAC D MSBs
Control CONFIGURATION 1
Control CONFIGURATION 2
Control CONFIGURATION 3
DAC CONFIGURATION
LDAC CONFIGURATION
Interrupt Mask 1
Interrupt Mask 2
Internal Temp Offset
External Temp Offset
Internal Analog Temp Offset
External Analog Temp Offset
V
DD
V
HIGH
Limit
V
DD
V
LOW
Limit
Internal T
HIGH
Limit
Internal T
LOW
Limit
External T
HIGH
/AIN1 V
HIGH
Limits
l T
LOW
/AIN1 V
LOW
Limits 00h
Externa
Reserved
AIN2 V
HIGH
Limit
AIN2 V
HIGH
Limit
AIN2 V
LOW
Limit
AIN3 V
HIGH
Limit
AIN3 V
LOW
Limit
AIN4 V
HIGH
Limit
AIN4 V
LOW
Limit
Reserved
Device ID
Manufacturer’s ID
Silicon Revision
Reserved
SPI Lock Status
Reserved
17h
18h
19h
1Ah
1Bh
1Ch
1Dh
1Eh
1Fh
20h
21h
22h
23h
24h
25h
26h
27h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
D8h
D8h
C7h
62h
64h
C9h
FFh
28h
29h–2Ah
2Bh
2Bh
2Ch
2Dh
2Eh
2Fh
30h
31h–4Ch
4Dh
4Eh
4Fh
50h–7Eh
7Fh
80h–FFh
Interrupt Status 1 Register (Read-Only) [Add. = 00h]
This 8-bit read-only register reflects the status of some of th
interrupts that can cause the INT/INT pin to go active. This
register is reset by a read operation, provided that any out-of-
limit event has been corrected. It is also reset by a software res
Table 11. Interrupt Status 1 Register
D7
D6
D5
D4
0*
0*
0*
0*
FFh
FFh
00h
FFh
00h
FFh
00h
03h/0Bh/07h
41h
04h
00h
00h
00h
e
et.
D2
0*
D1
0*
D0
0*
D3
0*
*
Default
gs at
er-up
settin
pow
.
Table 12.
Bit
D0
Function
1 when the internal temperature value exceeds T
HIGH
limit.
Any internal temperature reading greater than the set limit
will cause an out-of-limit event.
1 when internal temperature value exceeds T
LOW
limit. Any
internal temperature reading less than or equal to the set
limit will cause an out-of-limit event.
This status bit is linked to the configuration of Pins 7 and 8.
If configured for external temperature sensor, this bit is 1
when external temperature value exceeds T
HIGH
limit. The
default value for this limit register is –1°C, so any external
temperature reading greater than the set limit will cause
an out-of-limit event. If configured for AIN1 and AIN2, this
bit is 1 when AIN1 input voltage exceeds V
HIGH
or V
LOW
limits.
1 when external temperature value exceeds T
LOW
limit. The
default value for this limit register is 0°C, so any external
temperature reading less than or equal to the set limit will
cause an out-of-limit event.
1 Indicates a fault (open or short) for the external
temperature sensor.
1 when AIN2 voltage is greater than its corresponding V
HIGH
limit. 1 when AIN2 voltage is less than or equal to its
corresponding V
LOW
limit.
1 when AIN3 voltage is greater than its corresponding V
HIGH
limit. 1 when AIN3 voltage is less than or equal to its
corresponding V
LOW
limit.
1 when AIN4 voltage is greater than its corresponding V
HIGH
limit. 1 when AIN4 voltage is less than or equal to its
corresponding V
LOW
limit.
Interrupt Status 2 Register (Read-Only) [Add. = 01h]
This 8-bit read-only register reflects the status of the V
DD
inter-
rupt that can cause the INT/INT pin to go active. This register is
reset by a read operation, provided that any out-of-limit event
has been corrected. It is also reset by a software reset.
Table 13. Interrupt Status 2 Register
D7
D6
D5
D4
N/A
N/A
N/A
0*
D1
D2
D3
D4
D5
D6
D7
D3
N/A
D2
N/A
D1
N/A
D0
N/A
*
Default settings at power-up.
Table 14.
Bit
Function
D4
1 when V
DD
value is greater than its corresponding V
HIGH
limit. 1 when V
DD
is less than or equal to its corresponding
V
LOW
limit.
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