ADP1053ACPZ-R7 datasheet(76/84 Pages) AD

76 / 84 page

ADP1053

Data Sheet

Rev. A | Page 76 of 84

RTD TRIM REGISTERS

Table 117. Register 0xFE7C—RTD1 Offset Trim (MSB)

Bits

Bit Name

R/W

Description

[7:2]

Reserved

R/W

Reserved.

Trim polarity

R/W

1 = negative gain is introduced.

0 = positive gain is introduced.

RTD1 offset trim

(MSB)

R/W

This bit, together with Register 0xFE7D, sets the amount of offset trim that is applied to the

RTD1 ADC reading.

Table 118. Register 0xFE7D—RTD1 Offset Trim (LSBs)

Bits

Bit Name

R/W

Description

[7:0]

RTD1 offset trim

(LSBs)

R/W

These eight bits, together with Bit 0 of Register 0xFE7C, sets the amount of offset trim that is

applied to the RTD1 ADC reading.

Table 119. Register 0xFE7E—RTD2 Offset Trim (MSB)

Bits

Bit Name

R/W

Description

[7:2]

Reserved

R/W

Reserved.

Trim polarity

R/W

1 = negative gain is introduced.

0 = positive gain is introduced.

RTD2 offset trim

(MSB)

R/W

This bit, together with Register 0xFE7F, sets the amount of offset trim that is applied to the RTD2

ADC reading.

Table 120. Register 0xFE7F—RTD2 Offset Trim (LSBs)

Bits

Bit Name

R/W

Description

[7:0]

RTD2 offset trim

(LSBs)

R/W

These eight bits, together with Bit 0 of Register 0xFE7E, sets the amount of offset trim that is

applied to the RTD2 ADC reading.

Table 121. Register 0xFE80—RTD1 Current Source Settings

Bits

Bit Name

R/W

Description

[7:6]

RTD1 current setting

R/W

These bits set the size of the current source on the RTD1 pin. The factory default setting is 10 μA.

Bit 7

Bit 6

Current Source (μA)

[5:0]

RTD1 current fine

adjust

R/W

These bits are used to adjust the current source on the RTD1 pin. Each LSB corresponds to

156.25 nA, independent of the RTD1 current source setting specified by Bits[7:6].

Table 122. Register 0xFE81—RTD2 Current Source Settings

Bits

Bit Name

R/W

Description

[7:6]

RTD2 current setting

R/W

These bits set the size of the current source on the RTD2 pin. The factory default setting is 10 μA.

Bit 7

Bit 6

Current Source (μA)

[5:0]

RTD2 current fine

adjust

R/W

These bits are used to adjust the current source on the RTD2 pin. Each LSB corresponds to

156.25 nA, independent of the RTD2 current source setting specified by Bits[7:6].

ADP1053ACPZ-R7 датащи(PDF) 76 Page - Analog Devices

ADP1053ACPZ-R7 датащи(HTML) 76 Page - Analog Devices

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84

датащи скачать

ссылки URL