IC-TW3 Datasheet, PDF (5/24 Pages) IC-Haus GmbH – SENSOR SIGNAL CONDITIONER WITH TEMPERATURE COMPENSATION AND LINE DRIVER

iC-TW3 SENSOR SIGNAL CONDITIONER WITH
TEMPERATURE COMPENSATION AND LINE DRIVER
Rev B1, Page 5/24
ELECTRICAL CHARACTERISTICS
Operating conditions: VDD, VDDA, VDDB, VDDIN = 3.0...5.5 V, Tj = -40...125 °C, reference point GND unless otherwise stated
Item Symbol Parameter
No.
Conditions
Min. Typ. Max.
Total Device
001 VDDx
Permissible Supply Voltage
at VDD, VDDA, VDDB, VDDIN
3.0
5.5
002 I(VDDx) Total Supply Current
VDDx = 3.3 V
15
VDDx = 5.5 V
25
003 Vc()hi
Clamp-Voltage hi at all pins
Vc()hi = V() - VDD; I() = 10 mA
0.3
1.4
004 Vc()lo
Clamp-Voltage lo at all pins
I() = -10 mA
-1.2
-0.3
Analog Signal Inputs PINA, NINA, PINB, NINB, PINZ, NINZ
101 Vin()sig Permissible Input Voltage Range
1.4
VDD -
1.2 V
102 Vin()os Input Offset Voltage
±5 ±15
103 Iin()
Input Current
ENSIGAB = 0, ENSIGZ = 0
-35
35
104 Rpu()
Input Pull-Up Resistor
ENSIGAB = 1, ENSIGZ = 1
2.0 2.5
3
105 fg
-3 dB Bandwidth
PGA gain of 36 dB
1.2
106 CMRR Common Mode Rejection Ratio fc < 1 MHz
40
fc < 1 kHz
60
107 PSRR
Power Supply Rejection Ratio fc < 1 MHz
40
fc < 1 kHz
60
108 e_n
Input Voltage Noise
f = 1 kHz
20 n
f = 100 Hz
25 n
f = 0.1 to 10 Hz
2µ
109 ∆DGAIN Dynamic Gain Step Width
0.08
110 ∆DOFFS Dynamic Offset Step Width
2
Temperature Sensor and Analog Input KELVIN
201 Tor
Int. Temperature Sensor Operat- after calibration of ADC;
ing Range
-50
150
202 Tacc
Device-To-Device Temp. Sensor after calibration of ADC,
± 10
Variation
Tj = -40 °C to 125 °C
203 Vin()low Temperature Input Voltage
CELSIUS(7:0) = 10
1.7
CELSIUS(7:0) = 245
0.9
204 Iin()
Input Current at KELVIN
V(KELVIN) = 0 .. VDD
-50
50
205 T()lo
Lo-Temperature ADC Reading, after calibration of ADC;
via Register CELSIUS(7:0)
XCELSIUS = 0, internal sensor: Tj = -40 °C
19
XCELSIUS = 1, ext. sensor: V(KELVIN) = 1.7 V
10
206 T()hi
Hi-Temperature ADC Reading, after calibration of ADC;
via Register CELSIUS(7:0)
XCELSIUS = 0, internal sensor: Tj = 125 °C
224
XCELSIUS = 1, ext. sensor: V(KELVIN) = 0.9 V
245
Reference Voltage Input/Output VC
301 Vout(VC) Reference Voltage Output
VEXT = 0; CL = 100 nF, I() = 0 mA
1.10 1.21 1.35
302 Vin(VC) Permissible Input Voltage Range VEXT = 1
at VC
0
2.21
303 Iin(VC) Input Current at VC
VEXT = 1
-0.1
1
Power-On Reset and Input NRST
401 VDDon Turn-On Threshold (power-on increasing voltage at VDD
3.0
release)
402 VDDoff Turn-Off Threshold (power-down decreasing voltage at VDD
2.6
reset)
403 Vt()hi
Input Threshold Voltage hi
VDD = 3.3 V +/- 10 %
1.5
VDD = 5.0 V +/- 10 %
3.3
404 Vt()lo
Input Threshold Voltage lo
VDD = 3.3 V +/- 10 %
0.8
VDD = 5.0 V +/- 10 %
1.0
405 Ipu()
Input Pull-Up Current
V() = 0...VDD - 1 V
-3
406 Vpu()
Input Pull-Up Voltage
Vpu() = VDD - V(), I() = -3 µA
700
Unit
V
mA
mA
V
V
V
mV
nA
MΩ
MHz
dB
dB
dB
dB
√
V/_√Hz
V/_√Hz
V/ Hz
dB
mV
°C
°C
V
V
nA
V
V
µA
V
V
V
V
V
V
µA
mV