iC-MQF
PROGRAMMABLE 12-BIT
preliminar y
Rev A1, Page 6/37
Sin/Cos INTERPOLATION IC WITH RS422 DRIVER
ELECTRICAL CHARACTERISTICS
Operating Conditions: VDD = 4.3 ... 5.5 V, T
j
= -40 °C ... 125 °C, IBN calibrated to 200 µA, unless otherwise stated
Item
No.
Symbol
Parameter
Conditions
Min.
Permissible Supply Voltage
Supply Current
Permissible Load Current VDDS
Clamp-Voltage hi at all pins
Clamp-Voltage hi at Inputs SCL,
SDA
Clamp-Voltage hi at Inputs
X1...X6
Clamp-Voltage lo at all pins
Vc()hi = V() - V(VDD), I() = 1 mA
Vc()hi = V() - V(VDD), I() = 4 mA
I() = -4 mA
0.4
0.3
-1.2
-1
Load current I(VDDS) to 10 mA
Load current I(VDDS) to 20 mA
Tj = -40...125 °C, no load
Tj = 27 °C, no load
-20
4.3
4.5
18
0
11
1.5
1.2
-0.3
1
Typ.
Max.
5.5
5.5
25
V
V
mA
mA
mA
V
V
V
V
mA
Unit
Total Device
001 V(VDD)
002
003
004
005
006
007
008
I(VDD)
I(VDDS)
Vcz()hi
Vc()hi
Vc()hi
Vc()lo
Irev(VDD)
Reverse-Polarity Current VDD vs. V(VDD) =
−5.5V...−4.3
V
GND
Signal Conditioning, Inputs X1...X6 (CH1, CH2: i = 12, CH0: I = 0)
101 Vin()sig
Permissible Input Voltage Range Ri() = 0x01
Ri() = 0x09
102
103
104
105
106
107
Iin()sig
Iin()
Vout(X2)
Vin(X2)
Rin(X2)
Rin()
Permissible Input Current Range Ri(0) = 0; BIASi = 0
Ri(0) = 0; BIASi = 1
Input Current
Output Voltage at X2
Permissible Input Voltage at X2
Input Resistance at X2
Input Resistance vs. VREFin
Ri() = 0x01
MUX = 0x20...0x2F, I(X2) = 0, referenced to
VREFin12
MUX = 0x30...0x3F
MUX = 0x30...0x3F, R0(3:0) = 0x01, R12(3:0) =
0x01
Tj = 27 °C;
Ri(3:0) = 0x09
Ri(3:0) = 0x00
Ri(3:0) = 0x02
Ri(3:0) = 0x04
Ri(3:0) = 0x06
Ri(0) = 0, BIASi = 1
Ri(0) = 0, BIASi = 0
MODE=0x05, Ri(3) = 0, GRi and GFi = 0x0
MODE=0x05, Ri(3) = 0, GRi and GFi = max.
MODE=0x05, Ri(3) = 1, GRi and GFi = 0x0
MODE=0x05, Ri(3) = 1, GRi and GFi = max.
111
112
Gdiff
∆G
Relative Gain Ratio CH1 vs. CH2 GF2 = 0x10, GF1 = 0x0
GF2 = 0x10, GF1 = 0x7FF
Step Width Of Fine Gain
Adjustment
Integral Linearity Error of Gain
Adjustment
Recommended Differential Input Vin()diff = V(PCHx) - V(NCHx);
Ri(3) = 0
Voltage
Ri(3) = 1
Input Offset Voltage
Offset Calibration Range
referred to side of input
referenced to the selected source (VOS0 resp.
VOS12), mode
Calibration 2;
ORi = 00
ORi = 01
ORi = 10
ORi = 11
for CH0
for CH1
for CH2
0.75
0
-300
10
-0.5
95
0.5
20
27
100
VDDS
−
1.5
VDDS
-10
300
0.5
105
VDDS
−
2
35
V
V
µA
µA
µA
%
V
kΩ
16
1.1
1.6
2.2
3.2
1.35
2.25
20
1.6
2.3
3.2
4.6
0.15
1.5
2.5
6
300
1.5
75
39
255
1.06
1.0009
1.06
24
2.1
3.0
4.2
6.0
1.65
2.75
kΩ
kΩ
kΩ
kΩ
kΩ
%/K
V
V
108
109
110
TC(Rin)
VREFin()
G0, G12
Temperature Coefficient of Rin
Reference Voltages
VREFin0, VREFin12
Selectable Gain Factors
%
%
113
114
INL(Gi)
Vin()diff
-1.06
1.06
20
80
25
1000
4000
mVpp
mVpp
µV
115
116
Vin()os
VOScal
±100
±200
±600
±1200
%V()
%V()
%V()
%V()
ICHAUS [ IC-HAUS GMBH ]
