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