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ADT7411ARQ

SPI®-/I2C®-Compatible, 10-Bit Digital Temperature Sensor and 8-Channel ADC

Analog Devices

ADT7411ARQ Datasheet PDF : 36 Pages

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ADT7411

AIN5 to AIN8 Registers LSBs (Read-Only) [Address = 05h]

This is an 8-bit read-only register. Bit D0 to Bit D7 store the two

LSBs of the analog inputs AIN5 to AIN8. The MSBs are stored

in Register 0Ch to Register 0Fh.

Table 16. AIN5 to AIN8 LSBs

D7 D6

D5 D4

A8 A8LSB

A7 A7LSB

01 01

1 Default settings at power-up.

Table 17.

Bit

Function

LSB of AIN5 Value

Bit 1 of AIN5 Value

LSB of AIN6 Value

Bit 1 of AIN6 Value

LSB of AIN7 Value

Bit 1 of AIN7 Value

LSB of AIN8 Value

Bit 1 of AIN8 Value

A6LSB

D1 D0

A5 A5LSB

01 01

VDD Value Register MSBs (Read-Only) [Address = 06h]

This 8-bit read-only register stores the supply voltage value. The

eight MSBs of the 10-bit value are stored in this register.

Table 18. VDD Value MSBs

D7 D6 D5 D4 D3 D2 D1 D0

V9 V8 V7 V6 V5 V4 V3 V2

1 Loaded with VDD 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 eight MSBs of the 10-bit value.

Table 19. Internal Temperature Value MSBs

D7 D6 D5 D4 D3 D2 D1 D0

T9 T8 T7 T6 T5 T4 T3 T2

1 Default settings at power-up.

External Temperature Value or AIN1 Register MSBs

(Read-Only) [Address = 08h]

This 8-bit read-only register stores, if selected, the external

temperature value or the analog input AIN1 value. Selection is

done in Control Configuration 1 register. The external temperature

value is stored in twos complement format. The eight MSBs of

the 10-bit value are stored in this register.

Table 20. External Temperature Value/Analog Inputs MSBs

D7 D6 D5 D4 D3 D2 D1 D0

T/A9 T/A8 T/A7 T/A6 T/A5 T/A4 T/A3 T/A2

1 Default settings at power-up.

AIN2 Register MSBs (Read) [Address = 09h]

This 8-bit read register contains the eight MSBs of the AIN2

analog input voltage word. The value in this register is

combined with Bit D2 and Bit D3 of the external temperature

value and AIN1 to AIN4 register LSBs, Address 04h, to give the

full 10-bit conversion result of the analog value on the AIN2 pin.

Table 21. AIN2 MSBs

D6 D5 D4 D3 D2 D1 D0

MSB A8 A7 A6 A5 A4 A3 A2

1 Default settings at power-up.

AIN3 Register MSBs (Read) [Address = 0Ah]

This 8-bit read register contains the eight MSBs of the AIN3

analog input voltage word. The value in this register is

combined with Bit D4 and Bit D5 of the external temperature

value and AIN1 to AIN4 register LSBs, Address 04h, to give the

full 10-bit conversion result of the analog value on the AIN3 pin.

Table 22. AIN3 MSBs

D6 D5 D4 D3 D2 D1 D0

MSB A8 A7 A6 A5 A4 A3 A2

1 Default settings at power-up.

AIN4 Register MSBs (Read) [Address = 0Bh]

This 8-bit read register contains the eight MSBs of the AIN4

analog input voltage word. The value in this register is combined

with Bit D6 and Bit D7 of the external temperature value and

AIN1 to AIN4 register LSBs, Address 04h, to give the full 10-bit

conversion result of the analog value on the AIN4 pin.

Table 23. AIN4 MSBs

D6 D5 D4 D3 D2 D1 D0

MSB A8 A7 A6 A5 A4 A3 A2

1 Default settings at power-up.

AIN5 Register MSBs (Read) [Address = 0Ch]

This 8-bit read register contains the eight MSBs of the AIN5

analog input voltage word. The value in this register is combined

with Bit D0 and Bit D1 of the AIN5 to AIN8 register LSBs,

Address 05h, to give the full 10-bit conversion result of the

analog value on the AIN5 pin.

Table 24. AIN5 MSBs

D6 D5 D4 D3 D2 D1 D0

MSB A8 A7 A6 A5 A4 A3 A2

1 Default settings at power-up.

Rev. B | Page 22 of 36

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