DIA1414CMP10 datasheet(32/39 Pages) DIOO

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DIA1413/1414

Version 1.0, Sep 2024

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4 (default for CTHRM [2:0])

12.12. Beta configuration registers

The Beta configuration registers are used to set or indicate external BJT type or minimum PNP Beta for the

corresponding external channels.

Addr. Type

Default

25h

R/W

External channel

1 beta

configuration

Reserved

ENABLE

BETA1 [2:0]

08h

26h

R/W

External channel

2 beta

configuration

Reserved

ENABLE

BETA2 [2:0]

08h

(DIA1413)

(DIA1414)

Note: R = Read. W = Write.

Bit

Name

Description

7:4

Reserved

Do not use.

ENABLEX

0: The automatic BJT type detection and Beta Compensation function is disabled.

1: The automatic BJT type detection and Beta Compensation function is enabled. At the beginning of

every measurement, the BJT type or PNP beta will be detected and the optimal setting for the BJT will

be determined and applied. For DIA1413, the default value for ENABLE1 and ENABLE2 bits are “1”.

And the BETA1 [2:0] and BETA2 [2:0] bits will be automatically updated. For DIA1414, the default value

for ENABLE1 is “1” and ENABLE2 bit are “0”. The ENABLE2 bit cannot be enabled for DIA1414.

2:0

BETAX [2:0]

If the automatic BJT type detection and Beta Compensation function is enabled, these bits will be

updated automatically and writing to these bits will have no effect. If the automatic BJT type detection

and Beta Compensation function is disabled, the user need to set the BJT type or PNP beta range for

the each external channels. It is recommended to use the default for the beta configuration registers.

BJT type and PNP Beta values

Hex

Enable

BETAX [2:0]

Minimum PNP

Beta

0.07

DIA1414CMP10 Datasheet(PDF) 32 Page - DIOO MICROCIRCUITS CO., LTD

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