ZSSC3218 datasheet(39/56 Pages) RENESAS

номер детали	ZSSC3218

подробное описание детали	High-End 18-Bit Sensor Signal Conditioner

PDF	56 Pages

Scroll/Zoom	100%

производитель	RENESAS [Renesas Technology Corp]

домашняя страница	http://www.renesas.com

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39 / 56 page

ZSSC3218 Datasheet

April 20, 2016

MTP

Address

Word / Bit

Range

Default

Setting

Description

Notes / Explanations

5:3

000BIN

Gain_stage2

Gain setting for the 2

nd PREAMP stage with

Gain_stage2

 Gainamp2:

000

 1.1

001

 1.2

010

 1.3

011

 1.4

100

 1.5

101

 1.6

110

 1.7

111

 1.8

0BIN

Gain_polarity

Set up the polarity of the sensor bridge’s gain

(inverting of the chopper) with

 positive (no polarity change)

 negative (180° polarity change)

10:7

0000BIN

Adc_bits

Absolute number of bits for the ADC conversion

ADC_bits:

0000

 12-bit

0001

 13-bit

0010

 14-bit

0011

 15-bit

0100

 16-bit

0101

 17-bit

0110

 18-bit

0111 to 1111

 not assigned

0BIN

AbsV_enable

Enable bit for thermopile input selection (INN

connected to AGND, INP connected to absolute

voltage source) with AbsV_enable:

 absolute voltage input disabled (default)

 absolute voltage input enabled (e.g. for a

thermopile)

14:12

000BIN

Offset

Differential signal’s offset shift in the ADC;

compensation of signal offset by x% of input signal:

000

 no offset compensation

001

 6.75% offset

010

 12.5% offset

011

 19.25% offset

100

 25% offset

101

 31.75% offset

110

 38.5% offset

111

 43.25% offset

Note: Bit 15 below must be set to 1 to enable the

offset shift.

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