continued
MIN
Electrical Characteristics:
TEST CONDITIONS
PARAMETER
TYP
MAX
UNIT
■ Function Generator Section: continued
Function Generator Error
Function Generator Error
Function Generator Error
Function Generator Error
Function Generator Error
Function Generator Error
Function Generator Gain
13.1V ² VCC ² 16V
13.1V ² VCC ² 11V
-2.5
-1
0
0
+2.5
+1
deg
deg
deg
deg
deg
deg
¡/V
13.1V ² VCC ² 9V
25¡C ² TA ² 80¡C
25¡C ² TA ² 105¡C
Ð40¡C ² TA ² 25¡C
-3
0
+3
-3
0
+3
-5.5
-3
0
+5.5
+3
0
TA = 25¡C Q vs F/VOUT
60
77
95
Package Lead Description
PACKAGE LEAD #
LEAD SYMBOL
FUNCTION
20L
1
CP+
Positive input to charge pump.
Buffered square wave output signal.
Speed or rpm input signal.
Test point or Zero adjustment.
Ground Connections.
2
SQOUT
FREQIN
BIAS
Gnd
3
4
5, 6, 15, 16
7, 14, 17
NC
No Connection.
8
COS+
COS-
VCC
Positive cosine output signal.
Negative cosine output signal.
Ignition or battery supply voltage.
Function generator input signal.
Negative sine output signal.
Positive sine output signal.
Voltage regulator output.
9
10
11
12
13
18
19
20
FGEN
SIN-
SIN+
VREG
F/VOUT
CP-
Output voltage proportional to input signal frequency.
Negative input to charge pump.
Typical Performance Characteristics
Figure 2: Charge Pump Output Voltage vs Output Angle
F/VOUT = 2.0V + 2 FREQ ´ CT ´ RT ´ (VREG - 0.7)
Figure 1: Function Generator Output Voltage
vs Degrees of Deflection
7
6
5
4
7
6
COS
3
2
5
1
0
4
3
-1
-2
-3
2
1
0
-4
-5
SIN
-6
-7
0
45
90
135
180
225
270
315
90
Frequency/Output Angle (°)
135
180
225
270
315
0
45
Degrees of Deflection (°)
3
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
