7411 HTML VIEW PDF DOWNLOAD, 7411 데이터시트

7411(2017) 데이터 시트보기 (PDF) - Analog Devices

부품명

상세내역

일치하는 목록

7411
(Rev.:2017)

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

Analog Devices

7411 Datasheet PDF : 36 Pages

First Prev 21 22 23 24 25 26 27 28 29 30 Next Last

Data Sheet

Interrupt Mask 2 Register (Read/Write) [Address = 1Eh]

This mask register is an 8-bit read/write register that can be

used to mask out any interrupts that can cause the INT/INT pin

to go active.

Table 36. Interrupt Mask 2

D7 D6 D5 D4 D3 D2 D1 D0

1 Default settings at power-up.

Table 37.

Bit

D5:D7

Function

0 = Enable AIN5 interrupt

1 = Disable AIN5 interrupt

0 = Enable AIN6 interrupt

1 = Disable AIN6 interrupt

0 = Enable AIN7 interrupt

1 = Disable AIN7 interrupt

0 = Enable AIN8 interrupt

1 = Disable AIN8 interrupt

0 = Enable VDD interrupts

1 = Disable VDD interrupts

Reserved. Only write 0s

Internal Temperature Offset Register (Read/Write)

[Address = 1Fh]

This register contains the offset value for the internal

temperature channel. A twos complement number can be

written to this register, which is then added to the measured

result before it is stored or compared to limits. In this way, a

sort of one-point calibration can be done whereby the whole

transfer function of the channel can be moved up or down.

From a software point of view, this may be a very simple

method to vary the characteristics of the measurement channel

if the thermal characteristics change. Because it is an 8-bit

Table 38. Internal Temperature Offset

D7 D6 D5 D4 D3 D2 D1 D0

1 Default settings at power-up.

External Temperature Offset Register (Read/Write)

[Address = 20h]

This register contains the offset value for the external

temperature channel. A twos complement number can be

written to this register, which is then added to the measured

result before it is stored or compared to limits. In this way, a

sort of one-point calibration can be done whereby the whole

transfer function of the channel can be moved up or down.

ADT7411

From a software point of view, this may be a very simple

method to vary the characteristics of the measurement channel

if the thermal characteristics change. Because it is an 8-bit

Table 39. External Temperature Offset

D7 D6 D5 D4 D3 D2 D1 D0

1 Default settings at power-up.

VDD VHIGH Limit Register (Read/Write) [Address = 23h]

This limit register is an 8-bit read/write register that stores the

VDD upper limit that causes an interrupt and activates the

INT/INT output (if enabled). For this to happen, the measured

VDD value has to be greater than the value in this register. The

default value is 5.46 V.

Table 40. VDD VHIGH Limit

D7 D6 D5 D4 D3 D2 D1 D0

1 Default settings at power-up.

VDD VLOW Limit Register (Read/Write) [Address = 24h]

This limit register is an 8-bit read/write register that stores the

VDD lower limit that causes an interrupt and activates the INT/

INT output (if enabled). For this to happen, the measured VDD

value has to be less than or equal to the value in this register.

The default value is 2.7 V.

Table 41. VDD VLOW Limit

D7 D6 D5 D4 D3 D2 D1 D0

1 Default settings at power-up.

Internal THIGH Limit Register (Read/Write) [Address = 25h]

This limit register is an 8-bit read/write register that stores the

twos complement of the internal temperature upper limit that

causes an interrupt and activates the INT/INT output (if enabled).

For this to happen, the measured internal temperature value has

to be greater than the value in this register. Because it is an 8-bit

is 100°C.

Positive Temperature = Limit Register Code (d)

Negative Temperature = Limit Register Code (d) − 256

Table 42. Internal THIGH Limit

D7 D6 D5 D4 D3 D2 D1 D0

1 Default settings at power-up.

Rev. C | Page 25 of 36

Share Link: