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CS289 Datasheet(PDF) 2 Page - Cherry Semiconductor Corporation

Part # CS289
Description  20mA Air-Core Tachometer Drive Circuit
PDF  6 Pages
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Manufacturer  CHERRY [Cherry Semiconductor Corporation]
Direct Link  http://www.cherrycorp.com/
Logo CHERRY - Cherry Semiconductor Corporation

CS289 Datasheet(HTML) 2 Page - Cherry Semiconductor Corporation

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Package Pin Description
PACKAGE PIN #
PIN SYMBOL
FUNCTION
Electrical Characteristics: (VCC = 13.1V, -30¡C ² TA² 85¡C)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
20L SO
(internally fused leads)
14L PDIP
11
VZ
External Zener reference.
22
Vsine
Sine output signal.
34
VBIAS
Test pin or "0" calibration pin.
4, 5, 6, 7,
7
Gnd
Analog Ground connection.
14, 15, 16, 17
85
CPÐ
Negative input to charge pump.
96
CP+
Positive input to charge pump.
10
3
NC
No Connection
11
8
F/VOUT
Output voltage proportional to input signal frequency.
Supply Current (Note 2)
VCC = 15.0V
54
mA
VCC = 13.1V
60
65
mA
VCC = 11.3V
60
65
mA
Regulated Voltage
IREG = 4.3mA
7.7
8.5
9.3
V
Regulation
IREG = 0 to 5mA
0.10
0.20
V
Signal Input Current
T = 25¡C
0.1
2.0
4.0
mA
Saturation Voltage
ISQ OUT = 5mA, ISQ IN = 500µA
0.20
0.55
V
Leakage Current
ISQ OUT = 16V, VSQ IN = 0V
10
µA
Input Current
CP+ = 0, T = 25¡C
1
15
nA
F to V Output
VSQIN = 0 (zero input), Æ = 0¡
1.8
2.1
2.4
VCOS = 0 (Note 1), Æ = 270¡
6.3
7.1
7.9
V
Linearity
EO vs. Frequency
VCOS = 0 (Note 1), Æ = 270¡, T = 25¡C
-1.5
1.5
%
Vsine at Æ = 0¡
VSQ IN = 0 (zero input), Æ = 0¡
-0.55
0.00
0.55
V
MAX Vsine+
VCOS = 0 (Note 1), Æ=90¡
3.8
4.5
5.8
V
MAX Vsine-
VCOS = 0 (Note 1), Æ = 270¡
-3.8
-4.5
-5.8
V
Coil Drive Current
VCOS = 0 (Note 1), Æ = 90¡, T = 25¡C
20
25
mA
VCOS = 0 (Note 1), Æ = 270¡
20
25
mA
MAX VCOS+
VSQ IN = 0 (zero input), Æ = 0¡
3.8
4.5
5.8
V
MAX VCOS-
Vsine = 0 (Note 1), Æ = 180¡
-3.8
-4.5
-5.8
V
Coil Drive Current
VSQ IN = 0 (zero input), Æ = 0¡
20
25
mA
Vsine = 0 (Note 1), Æ = 180¡
20
25
mA
External Voltage Ref.
4.98
5.40
5.85
V
Note 1: Vsine measured Vsine to VZ. VCOS measured VCOS to VZ. All other voltages specified are measured to ground.
Note 2: Max PWR dissipation ²VCC X ICC - (V2 Isine + V12 ICOS).



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