CS209A Datasheet, PDF (2/6 Pages) Cherry Semiconductor Corporation – Proximity Detector

Electrical Characteristics: -40¡C ² T_A ² 125¡C unless otherwise specified
PARAMETER
TEST CONDITIONS
MIN
TYP
Supply Current I_CC
V_CC = 4V
V_CC = 12V
V_CC = 24V
Tank Current
V_CC = 20V
Demodulator Charge Current V_CC = 20V
Output Leakage Current
V_CC = 24V
Output V_SAT
V_CC = 4V, IS =20mA
V_CC = 24V, IS =100mA
Oscillator Bias
V_CC = 20V
Feedback Bias
V_CC = 20V
Osc - Rf Bias
V_CC = 20V
Protect Voltage
I_TANK = -10mA
Detect Threshold
Release Threshold
-550
-60
1.1
1.1
-250
-10.0
720
550
3.5
6.0
11.0
-300
-30
0.01
60
200
1.9
1.9
100
-8.9
1440
1200
MAX
6.0
11.6
20.0
-100
-10
10.00
200
500
2.5
2.5
550
-7.0
1950
1700
UNIT
mA
mA
mA
µA
µA
µA
mV
mv
V
V
mV
V
mV
mV
PACKAGE PIN#
8L PDIP & SO
1
14L SO
1
2
2
3
3
4
4
5
6
6
10
7
12
8
13
5,7,8,9,11,14
Package Pin Description
PIN SYMBOL
FUNCTION
OSC
TANK
Gnd
OUT₁
OUT₂
DEMOD
V_CC
RF
NC
Adjustable feedback resistor connected between OSC and
RF sets detection range.
Connects to parallel tank circuit.
Ground connection.
Complementary open collector output; When OUT₁ =
LOW, metal is present.
Complementary open collector output; When OUT₂ =
HIGH, metal is present.
Input to comparator controlling OUT₁ and OUT ₂.
Supply voltage.
Adjustable feedback resistor connected between OSC and
RF set detection range.
No Connection.
Typical Performance Characteristics
Output Switching Delay vs. Output Load
Output Switching Delay vs. Temperature
8
(T = 22°C, VCC= 12V)
6
4
6.5
(VCC = 12V, Rload = 1kW)
5.5
4.5
3.5
2
100
4
8
12
16
Output Load (kW)
2.5
20
-40
-20
0
2
20
40
60
Temperature (°C)
80
100
120