CS4121 Datasheet, PDF (3/8 Pages) Cherry Semiconductor Corporation – Low Voltage Precision Air-Core Low Voltage Precision Air-Core

Electrical Characteristics: continued
PARAMETER
TEST CONDITIONS
s 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 V_CC ² 16V, T_A=25¡C
13.1V ² V_CC ² 11V, T_A=25¡C
13.1V ² V_CC ² 8V, T_A=25¡C
25¡C ² T_A ² 85¡C
25¡C ² T_A ² 105¡C
Ð40¡C ² T_A ² 25¡C
T_A = 25¡C Q vs F/V_OUT
MIN
TYP
MAX
UNIT
-2.5
0
+2.5
deg
-1
0
+1
deg
-3
0
+3
deg
-3
0
+3
deg
-5.5
0
+5.5
deg
-3
0
+3
deg
60
77
95
¡/V
PACKAGE LEAD #
16L PDIP*
20L SO*
1
1
2
2
3
3
4, 5, 12, 13
4-7, 14-17
6
8
7
9
8
10
9
11
10
12
11
13
14
18
15
19
16
20
*Internally Fused Leads
Package Lead Description
LEAD SYMBOL
FUNCTION
CP+
SQ_OUT
FREQ_IN
Gnd
COS+
COS-
V_CC
BIAS
SIN-
SIN+
V_REG
F/V_OUT
CP-
Positive input to charge pump.
Buffered square wave output signal.
Speed or rpm input signal.
Ground Connections.
Positive cosine output signal.
Negative cosine output signal.
Ignition or battery supply voltage.
Test point or zero adjustment.
Negative sine output signal.
Positive sine output signal.
Voltage regulator output.
Output voltage proportional to input signal frequency.
Negative input to charge pump.
Typical Performance Characteristics
Figure 1: Function Generator Output Voltage
vs Degrees of Deflection
7
6
5
4
COS
3
2
1
0
-1
-2
-3
-4
-5
-6
SIN
-7
0
45
90
135
180
225
270
315
Degrees of Deflection (°)
Figure 2: Charge Pump Output Voltage vs Output Angle
F/V_OUT = 2.0V + 2 FREQ ´ C_T ´ R_T ´ (V_REG - 0.7)
7
6
5
4
3
2
1
0
0
45
90
135
180
225
270
315
Frequency/Output Angle (°)
3