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Reference Manual ADuCM356

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Table 111. Bit Descriptions for LPTIACON1 (Continued)

Bits Bit Name Settings Description Reset Access

100 200 kΩ.

101 400 kΩ.

110 600 kΩ.

111 1 MΩ. Recommended value for best DC current measurement performance. Lowest cutoff frequency

setting for low-pass filter.

[12:10] TIARL Set R

LOAD

. 0x0 R/W

0 0 Ω.

1 10 Ω.

10 30 Ω.

11 50 Ω.

100 100 Ω.

101 1.6 kΩ. R

TIA

must be ≥2 kΩ.

110 3.1 kΩ. R

TIA

must be ≥4 kΩ.

111 3.6 kΩ. R

TIA

must be ≥4 kΩ.

[9:5] TIAGAIN Set R

TIA

. 0x0 R/W

0 Disconnect R

TIA

1 200 Ω. Intended for oxygen sensor. TIA gain resistor is combination of R

LOAD

and fixed series 110 Ω.

Assume R

LOAD

= 10 Ω. Set by the TIARL bit. R

TIA

gain setting = 100 Ω − R

LOAD

+ 110 Ω fixed. Overall

TIA gain is 200.

10 1 kΩ. If R

LOAD

≤ 100 Ω, R

TIA

gain = (100 Ω − R

LOAD

) + 1 kΩ. If R

LOAD

> 100 Ω, R

TIA

gain is not supported

with a 1 kΩ R

TIA

11 2 kΩ. R

TIA

gain = 2 kΩ − (R

LOAD

− 100 Ω).

100 3 kΩ. R

TIA

gain = 3 kΩ − (R

LOAD

− 100 Ω).

101 4 kΩ. R

TIA

gain = 4 kΩ − (R

LOAD

− 100 Ω).

110 6 kΩ. R

TIA

gain = 6 kΩ − (R

LOAD

− 100 Ω).

111 8 kΩ. R

TIA

gain = 8 kΩ − (R

LOAD

− 100 Ω).

1000 10 kΩ. R

TIA

gain = 10 kΩ − (R

LOAD

− 100 Ω).

1001 12 kΩ. R

TIA

gain = 12 kΩ − (R

LOAD

− 100 Ω).

1010 16 kΩ. R

TIA

gain = 16 kΩ − (R

LOAD

− 100 Ω).

1011 20 kΩ. R

TIA

gain = 20 kΩ − (R

LOAD

− 100 Ω).

1100 24 kΩ. R

TIA

gain = 24 kΩ − (R

LOAD

− 100 Ω).

1101 30 kΩ. If R

LOAD

≤ 100 Ω, R

TIA

gain = (100 Ω − R

LOAD

) + 30 kΩ. If R

LOAD

> 100 Ω, R

TIA

gain = 30 kΩ −

LOAD

− 100 Ω).

1110 32 kΩ. R

TIA

gain = 32 kΩ − (R

LOAD

− 100 Ω).

1111 40 kΩ. R

TIA

gain = 40 kΩ − (R

LOAD

− 100 Ω).

10000 48 kΩ. R

TIA

gain = 48 kΩ − (R

LOAD

− 100 Ω).

10001 64 kΩ. R

TIA

gain = 64 kΩ − (R

LOAD

− 100 Ω).

10010 85 kΩ. R

TIA

gain = 85 kΩ − (R

LOAD

− 100 Ω).

10011 96 kΩ. R

TIA

gain = 96 kΩ − (R

LOAD

− 100 Ω).

10100 100 kΩ. R

TIA

gain = 100 kΩ − (R

LOAD

− 100 Ω).

10101 120 kΩ. R

TIA

gain = 120 kΩ − (R

LOAD

− 100 Ω).

10110 128 kΩ. R

TIA

gain = 128 kΩ − (R

LOAD

− 100 Ω).

10111 160 kΩ. R

TIA

gain = 160 kΩ − (R

LOAD

− 100 Ω).

11000 196 kΩ. R

TIA

gain = 196 kΩ − (R

LOAD

− 100 Ω).

11001 256 kΩ. R

TIA

gain = 256 kΩ − (R

LOAD

− 100 Ω).

11010 512 kΩ. R

TIA

gain = 512 kΩ − (R

LOAD

− 100 Ω).

[4:3] IBOOST Current Boost Control. 0x0 R/W

00 Normal mode.

Brand	Analog Devices
Model	ADuCM356
Category	Microcontrollers
Language	English

Analog Devices ADuCM356 User Manual

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Analog Devices ADuCM356 Specifications