IC-MSB Datasheet, PDF(16/29 Page) IC-Haus GmbH – SIN/COS SIGNAL CONDITIONER WITH 1Vpp DRIVER

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IC-MSB Datasheet, PDF (16/29 Pages) IC-Haus GmbH – SIN/COS SIGNAL CONDITIONER WITH 1Vpp DRIVER

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iC-MSBSAFETY, iC-MSB2

SIN/COS SIGNAL CONDITIONER WITH 1Vpp DRIVER

OPERATING MODES

Rev D2, Page 16/29

In order to calibrate iC-MSB, compensate for the input

signals and test iC-MSB the mode of operation must

be changed. The output function changes according

to the various operating modes; the line drivers and

protection against reverse polarity facility are only ac-

tive in normal mode.

MODE(3:0)

BYP

Code

0x00

0x01

0x02

0x03

0x04

0x05

0x06

0x07

0x08

0x09

0x0A

0x0B

0x0C

0x0D

0x0E

0x0F

Operating Mode

Normal operation

Calibration 1

Calibration 2

iC-Haus Test 1

iC-Haus Test 2

iC-Haus Test 3

iC-Haus Test 4, BYP = 0

iC-Haus Test 4, BYP = 1

Calibration 3

Saturation low

iC-Haus Test 5

IDDQ-Test

Addr. 0x02; bit 3:0

Addr. 0x0D; bit 5

Pin PS

Pin NS

Pin PC

Pin NC

Pin PZ

Pin NZ

TANA0(2) VREFI0

VREFI12 IBN

PZI

NZI

PCH1

NCH1

PCH2

NCH2

VDC1

VDC2

VPAH

VPD

CGUCK IPF

V05

PS_out

NS_out

PC_out

NC_out

PZ_out

NZ_out

PS_out

NS_out

PC_out

NC_out

PZ_out

NZ_out

TANA12(0) TANA12(1) TANA12(2) TANA12(3) TANA12(4) TANA12(5)

VTs

VTth

SCL, SDA and ERR low

CLK6

All PU/PD resistors, oscillator and supply voltage deactivated

Pin ERR

ERR

IERR

ERR

IERR

ERR

Table 13: Selection of Operating Modes

Calibration Op. Modes

In Calibration Mode 1 the user can measure the BIAS

current (IBN), input ampliï¬er reference potential VREFI

and the analog signals from channel 0 following signal

conditioning (PCH0 and NCH0).

In Calibration Mode 2 the conditioned signals from

channels 1 and 2 are output (PCH1, NCH1, PCH2

and NCH2). In addition the intermediate potentials of

the compensating circuits are also available for CH1

(VDC1) and CH2 (VDC2).

In Calibration Mode 3 the internal temperature moni-

toring signals are provided.

Signal Filter

iC-MSB has a noise limiting signal ï¬lter to ï¬lter the con-

ditioned analog signals. This can be activated using

ENF.

ENF

Code

Adr 0x0E, bit 7

Function

Noise limiter deactivated

Noise limiter activated

Table 14: Signal Filtering

Special Device Test Functions

IDDQ-Test, Saturation Low, Saturation High, and Test

1 to 5 are test modes for iC-Haus device tests. With an

activated bypass (BYP = 1), mode iC-Haus Test 4 per-

mits the direct feedthrough of X1 - X6 input signals to

the output pins; in this instance the output impedance

is high-ohmic. Furthermore, if the input voltage divider

is selected (by RINx = 1- -1), it reduces the signal am-

plitudes to approx. 7/8.

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