Vicom Systems FC-FC3 Manual de usuario descargar pdf (Pagina 20)

CONFIDENTIAL [AK8999A/AW/AD]

MS1600-E-00 2014/05

- 20 -

7.2.4) Offset Voltage Adjustment Circuit

VDD = 3, 3.3, 5V ± 10%, Ta = -40 to 105ºC, register default, unless otherwise note

Parameter Symbol Conditions Min. Typ. Max.

Units

Description

Measurement in test mode

Unadjusted output

voltage

Vo01 VDD = 3, 3.3, 5V ± 10%

0.5*VDD

-0.15

0.5*VDD

+0.15

Offset coarse adj.

DAC adj. range

Ocr5+ EOCR[3] = 0h

EOCR[2:0] = 7h

VDD = 5V ± 10%

+11200 mV

Ocr5- EOCR[3] = 1h

EOCR[2:0] = 7h

VDD = 5V ± 10%

-11200 mV

Ocr3+ EOCR[3] = 0h

EOCR[2:0] = 7h

VDD = 3, 3.3 ± 10%

+5600 mV

Ocr3- EOCR[3] = 1h

EOCR[2:0] = 7h

VDD = 3, 3.3 ± 10%

-5600 mV

Adj. step Ocr5stp VDD = 5V ± 10% 1600 mV

Ocr3stp VDD = 3, 3.3 ± 10% 800 mV

Offset fine adj.

DAC adj. range

Ocf5+ EOCF[7] = 0h

EOCF[6:0] = 3Fh

VDD = 5V ± 10%

+1016 mV

Ocf5- EOCF[7] = 1h

EOCF[6:0] = 3Fh

VDD = 5V ± 10%

-1016 mV

Ocf3+ EOCF[7] = 0h

EOCF[6:0] = 3Fh

VDD = 3, 3.3 ± 10%

+508 mV

Ocf3- EOCF[7] = 1h

EOCF[6:0] = 3Fh

VDD = 3, 3.3 ± 10%

-508 mV

Adj. step Ocf5stp VDD = 5V ± 10% 8 mV

Ocf3stp VDD = 3, 3.3 ± 10% 4 mV

Note) The case of ESCR[0] = 1h.

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