iC-MSBSAFETY, iC-MSB2
SIN/COS SIGNAL CONDITIONER WITH 1Vpp DRIVER
Rev D2, Page 16/29
OPERATING MODES
In order to calibrate iC-MSB, compensate for the input to the various operating modes; the line drivers and
signals and test iC-MSB the mode of operation must protection against reverse polarity facility are only ac-
be changed. The output function changes according tive in normal mode.
MODE(3:0)
BYP
Addr. 0x02; bit 3:0
Addr. 0x0D; bit 5
Code
0x00
Operating Mode
Normal operation
Calibration 1
Pin PS
PS
Pin NS
NS
Pin PC
PC
Pin NC
NC
Pin PZ
PZ
Pin NZ
NZ
Pin ERR
ERR
ERR
—
0x01
TANA0(2)
PCH1
VREFI0
NCH1
VPD
VREFI12
PCH2
—
IBN
PZI
NZI
0x02
Calibration 2
NCH2
CGUCK
NC_out
NC_out
VDC1
IPF
VDC2
V05
0x03
iC-Haus Test 1
iC-Haus Test 2
iC-Haus Test 3
VPAH
IERR
IERR
ERR
0x04
PS_out
PS_out
NS_out
NS_out
PC_out
PC_out
PZ_out
PZ_out
NZ_out
NZ_out
0x05
0x06
iC-Haus Test 4, BYP = 0
iC-Haus Test 4, BYP = 1
TANA12(0) TANA12(1) TANA12(2) TANA12(3) TANA12(4) TANA12(5) IERR
X4
X6
X3
X5
X1
X2
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x0D
0x0E
0x0F
Calibration 3
VTs
VTth
—
—
—
—
ERR
Saturation low
SCL, SDA and ERR low
—
—
TP
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
iC-Haus Test 5
CLK6
—
—
—
—
—
—
IDDQ-Test
—
All PU/PD resistors, oscillator and supply voltage deactivated
—
—
—
—
—
—
—
Table 13: Selection of Operating Modes
Calibration Op. Modes
Signal Filter
In Calibration Mode 1 the user can measure the BIAS iC-MSB has a noise limiting signal filter to filter the con-
current (IBN), input amplifier reference potential VREFI ditioned analog signals. This can be activated using
and the analog signals from channel 0 following signal ENF.
conditioning (PCH0 and NCH0).
ENF
Code
0
Adr 0x0E, bit 7
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).
Function
Noise limiter deactivated
Noise limiter activated
1
Table 14: Signal Filtering
In Calibration Mode 3 the internal temperature moni-
toring signals are provided.
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.
ICHAUS [ IC-HAUS GMBH ]
