參數(shù)資料
型號: ADT7411ARQZ10
廠商: Analog Devices, Inc.
英文描述: LJT 6C 6#12 SKT RECP
中文描述: SPI/I2C兼容,10位數(shù)字溫度傳感器和8通道ADC
文件頁數(shù): 21/36頁
文件大?。?/td> 456K
代理商: ADT7411ARQZ10
ADT7411
Table 11.
Bit
D0
Rev. A | Page 21 of 36
Function
1 when AIN5 voltage is greater than the corresponding
V
HIGH
limit. 1 when AIN5 voltage is less than or equal to
the corresponding V
LOW
limit.
1 when AIN6 voltage is greater than the corresponding
V
HIGH
limit. 1 when AIN6 voltage is less than or equal to
the corresponding V
LOW
limit.
1 when AIN7 voltage is greater than the corresponding
V
HIGH
limit. 1 when AIN7 voltage is less than or equal to
the corresponding V
LOW
limit.
1 when AIN8 voltage is greater than the corresponding
V
HIGH
limit. 1 when AIN8 voltage is less than or equal to
the corresponding V
LOW
limit.
1 when V
DD
value is greater than the corresponding
V
HIGH
limit. 1 when V
DD
is less than or equal to the
corresponding V
LOW
limit.
Reserved
D1
D2
D3
D4
D5:D7
Internal Temperature Value/V
DD
Value Register LSBs
(Read-Only) [Add. = 03h]
This internal temperature value and V
DD
value register is an
8-bit read-only register. It stores the 2 LSBs of the 10-bit temp-
erature reading from the internal temperature sensor and also
the 2 LSBs of the 10-bit supply voltage reading.
Table 12. Internal Temperature/V
DD
LSBs
D7
D6
D5
D4
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
*Default settings at power-up.
Table 13.
Bit
Function
D0
LSB of Internal Temperature Value.
D1
B1 of Internal Temperature Value.
D2
LSB of V
DD
Value.
D3
B1 of V
DD
Value.
External Temperature Value and Analog Inputs1 to 4
Register LSBs (Read-Only) [Address = 04h]
This is an 8-bit read-only register. Bits D2–D7 store the 2 LSBs
of the analog inputs AIN2–AIN4. Bits D0 and D1 are used to
store the 2 LSBs of either the external temperature value or
AIN1 input value. The type of input for D0 and D1 is selected
by Bits 1:2 of the Control Configuration 1 register.
Table 14. External Temperature and AIN1–4 LSBs
D7
D6
D5
D4
A4
A4
LSB
A3
A3
LSB
0*
0*
0*
0*
*Default settings at power-up.
D3
V1
0*
D2
LSB
0*
D1
T1
0*
D0
LSB
0*
D3
A2
0*
D2
A2
LSB
0*
D1
T/A
0*
D0
T/A
LSB
0*
Table 15
Bit
D0
D1
D2
D3
D4
D5
D6
D7
Analog Inputs 5 to 8 Registers LSBs (Read-Only)
[Add. = 05h]
This is an 8-bit read-only register. Bits D0 to D7 store the 2 LSBs
of the analog inputs AIN5 to AIN8. The MSBs are stored in
Registers 0Ch to 0Fh.
Table 16. External Temperature and AIN5 to AIN8 LSBs
D7
D6
D5
D4
A8
A8
LSB
A7
A7
LSB
0*
0*
0*
0*
*Default settings at power-up.
Table 17.
Bit
Function
D0
LSB of AIN5 Value.
D1
Bit 1 of AIN5 Value.
D2
LSB of AIN6 Value.
D3
Bit 1 of AIN6 Value.
D4
LSB of AIN7 Value.
D5
Bit 1 of AIN7 Value.
D6
LSB of AIN8 Value.
D7
Bit 1 of AIN8 Value.
V
DD
Value Register MSBs (Read-Only) [Address = 06h]
This 8-bit read-only register stores the supply voltage value. The
8 MSBs of the 10-bit value are stored in this register.
Table 18. V
DD
Value MSBs
D7
D6
D5
D4
V9
V8
V7
V6
x*
x*
x*
x*
*Loaded with V
DD
value after power-up.
Internal Temperature Value Register MSBs (Read-Only)
[Address = 07h]
This 8-bit read-only register stores the internal temperature
value from the internal temperature sensor in twos complement
format. This register stores the 8 MSBs of the 10-bit value.
Table 19. Internal Temperature Value MSBs
D7
D6
D5
D4
T9
T8
T7
T6
0*
0*
0*
0*
*Default settings at power-up.
Function
LSB of External Temperature Value or AIN1 Value.
Bit 1 of External Temperature Value or AIN1 Value.
LSB of AIN2 Value.
Bit 1 of AIN2 Value.
LSB of AIN3 Value.
Bit 1 of AIN3 Value.
LSB of AIN4 Value.
Bit 1 of AIN4 Value.
D3
A6
0*
D2
A6
LSB
0*
D1
A5
0*
D0
A5
LSB
0*
D3
V5
x*
D2
V4
x*
D1
V3
x*
D0
V2
x*
D3
T5
0*
D2
T4
0*
D1
T3
0*
D0
T2
0*
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