TCA505BG Datasheet, PDF (10/18 Pages) Siemens Semiconductor Group – IC for Inductive Proximity Switches with Short-Circuit Protection

TCA 505 BG
Characteristics
4 V ≤ VS ≤ 40 V; TA = – 40 to 110 ˚C
Parameter
Symbol
Limit Values
Unit Test
min. typ. max.
Circuit
Power Supply (VS)
Current consumption
Normal mode (S1 = S2 = OFF)
Two-wire operation
S1 = ON, S2 = OFF
4 V ≤ VS ≤ 12 V
Turn-ON threshold
(outputs active)
S1 = OFF
Turn-OFF threshold
(outputs disabled)
S1 = OFF
Hysteresis VTON1 – VTOFF1
S1 = OFF
IS
550 740 µA 1
IS
625 840 µA 1
VTON1
3.64 4
V
1
VTOFF1
3.0
3.6
V
1
∆VHy1
40
mV 1
Oscillator (LC, RDi)
Oscillator frequency
Oscillator amplitude
fOSC
AOSC
3
0.8
MHz 1
Vpp
1
Demodulator, Threshold Switch (CI, RHy)
Threshold on CI
Hysteresis on CI
Current in CI
Current from CI
Switching frequency
CI < 50 pF
VCI
VHyCI
ICI
– ICI
fS
2
V
1
0.8
V
1
7
µA 1
6
µA 1
5
kHz 1
(L = 70 µH)
Reference Voltage (VREF); Base Output Transistors
Reference voltage
IREF = 0 to 100 µA
Offset voltage VB = VQ2, 4
VB = VREF; IQ2, 4 = 5 mA
VREF
2.65 2.9 3.10 V
VOB
110 155 mV 1
Semiconductor Group
10