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