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TDA0161DP 데이터시트(Datasheet) 2 Page - STMicroelectronics

부품명 TDA0161DP
상세내용  PROXIMITY DETECTORS
PDF  6 Pages
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제조사  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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ELECTRICAL CHARACTERISTICS
TDA0161DP
-40
oC< Tamb < +100oC
TDA0161FP
-40
oC< Tamb < +100oC
Ptot < 150mW, unless otherwise specified
Symbol
Parameter
Min.
Typ.
Max.
Unit
VCC
Supply Voltage
4
35
V
Reverse Voltage Limitation (ICC = -100 mA)
TDA0161
1
V
ICC
Supply Current, Close Target (Tamb = +25
oC)
+4V < VCC < +35V
TDA0161
8
10
12
mA
ICC
Supply Current, Remote Target
+4V < VCC < +35V
TDA0161
1
mA
Supply Current Transition Time
C3 = 0
C3
≠ 0
1
(100 x C3 (nF))
µs
fosc
Oscillator Tuning Frequency
10
MHz
fO
Output Frequency (C3 = 0)
0
10
kHz
∆ICC
Output Current Ripple - C3 = 0, C2 (pF) > 150/fosc (MHz)
20
µA
Rn
Negative Resistance on Terminals A and E
4k
Ω < R1 < 50kΩ,fosc< 3 MHz
0.9 R1
R1
1.1 R1
Hyst
Hysteresis at Detection Point C2 (Pf) > 150/fosc (MHz)
0.5
5
%
* If the circuit is used at a frequency higher than 3MHz, it is recommended to connect a capacitor of 100pF between terminals E and D.
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
35
V
Tj
Junction Temperature
+150
oC
Tstg
Storage Temperature Range
–55 to +150
oC
OPERATING MODE
Between terminals A and E, the integrated circuit
acts like a negative resistance equal to the external
resistor R1 connected between terminals B and H.
The oscillation stops when loss resistance Rp of
tuned circuit becomes smaller than R1. Then, the
supply current will be ICC = 10mA (pins G and D).
The oscillation sustains when loss resistance Rp of
tuned circuit becomes higher than R1. Then, the
supply current will be ICC 1mA (pins G and D).
Eddy currents induced by coil L1 in a metallic body,
determine loss resistance Rp.
TDA0161
2/6




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