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CS4121EDWFR20 데이터시트 PDF




Cherry Semiconductor Corporation에서 제조한 전자 부품 CS4121EDWFR20은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 CS4121EDWFR20 기능
기능 Low Voltage Precision Air-Core Low Voltage Precision Air-Core
제조업체 Cherry Semiconductor Corporation
로고 Cherry Semiconductor Corporation 로고


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CS4121EDWFR20 데이터시트, 핀배열, 회로
CS4121
Low Voltage Precision Air-Core
Tach/Speedo Driver
Description
Features
The CS4121 is specifically designed
for use with air-core meter move-
ments. The IC provides all the func-
tions necessary for an analog
tachometer or speedometer. The
CS4121 takes a speed sensor input
and generates sine and cosine relat-
ed output signals to differentially
drive an air-core meter.
Many enhancements have been
added over industry standard
tachometer drivers such as the
CS289 or LM1819. The output uti-
lizes differential drivers which elim-
inates the need for a zener reference
and offers more torque. The device
withstands 60V transients which
decreases the protection circuitry
required. The device is also more
precise than existing devices allow-
ing for fewer trims and for use in a
speedometer.
The CS4121 is compatible with the
CS8190, and provides higher accu-
racy at a lower supply voltage (8.0V
min. as opposed to 8.5V). It is func-
tionally operational to 6.5V.
Absolute Maximum Ratings
Supply Voltage (<100ms pulse transient)..........................................VCC = 60V
(continuous) ..............................................................VCC = 24V
Operating Temperature .............................................................Ð40¡C to +105¡C
Storage Temperature..................................................................Ð40¡C to +165¡C
Junction Temperature .................................................................Ð40¡C to+150¡C
ESD (Human Body Model) .............................................................................4kV
Lead Temperature Soldering
Wave Solder (through hole styles only)............10 sec. max, 260¡C peak
Reflow (SMD styles only).............60 sec. max above 183¡C, 230¡C peak
Block Diagram
BIAS
CP+
SQOUT
FREQIN
Gnd
Gnd
COS+
COS-
VCC
Charge Pump
Input
Comp.
+
Ð
Voltage
Regulator
VREG
7.0V
COS
Output
+
Ð
Func.
Gen.
High Voltage
Protection
Ð
+
SINE
Output
+
Ð
F/VOUT
CP-
VREG
Gnd
Gnd
SINE+
SINE-
s Direct Sensor Input
s High Torque Output
s Low Pointer Flutter
s High Input Impedance
s Overvoltage Protection
s Accurate to 8V
Functional to 6.5V (typ)
Package Options
16 Lead PDIP
(internally fused leads)
CP+ 1
SQOUT 2
FREQIN 3
Gnd 4
Gnd 5
COS+ 6
COS- 7
VCC 8
16 CP-
15 F/VOUT
14 VREG
13 Gnd
12 Gnd
11 SINE+
10 SINE-
9 BIAS
20 Lead SOIC
(internally fused leads)
CP+ 1
SQOUT 2
FREQIN 3
Gnd 4
Gnd 5
Gnd 6
Gnd 7
COS+ 8
COS- 9
VCC 10
20 CP-
19 F/VOUT
18 VREG
17 Gnd
16 Gnd
15 Gnd
14 Gnd
13 SIN+
12 SIN-
11 BIAS
Rev 12/4/96
Cherry Semiconductor Corporation
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885-3600 Fax: (401)885-5786
Web Site: www.cherry-semi.com
1 A ¨ Company




CS4121EDWFR20 pdf, 반도체, 판매, 대치품
Typical Performance Characteristics: continued
Figure 3: Output Angle in Polar Form
(VSINE+) - (VSINE-)
7V
Q Angle
Ð7V +7V
(VCOS+) - (VCOS-)
[ ]Q = ARCTAN
VSIN+ Ð VSIN-
VCOS+ Ð VCOS-
-7V
1.50
1.25
1.00
0.75
0.50
0.25
0.00
-0.25
-0.50
-0.75
-1.00
-1.25
-1.50
0
Figure 4: Nominal Output Deviation
45 90 135 180 225 270
Theoretical Angle (°)
315
Nominal Angle vs. Ideal Angle (After calibrating at 180¡)
Note: Temperature, voltage and nonlinearity not included.
45
40
35
30
25
20
Ideal Degrees
15
Nominal Degrees
10
5
0
1 5 9 13 17 21 25 29 33 37 41 45
Nominal Angle (Degrees)
Table 1: Function Generator Output Nominal Angle vs. Ideal Angle (After calibrating at 270¡)
Ideal Q Nominal
Degrees Q Degrees
Ideal Q Nominal
Degrees Q Degrees
Ideal Q Nominal
Degrees Q Degrees
Ideal Q Nominal
Degrees Q Degrees
Ideal Q Nominal
Degrees Q Degrees
00
17 17.98
34 33.04
75
1
1.09
18 18.96
35 34.00
80
2
2.19
19 19.92
36 35.00
85
3
3.29
20 20.86
37 36.04
90
4
4.38
21 21.79
38 37.11
95
5
5.47
22 22.71
39 38.21 100
6
6.56
23 23.61
40 39.32 105
7
7.64
24 24.50
41 40.45 110
8
8.72
25 25.37
42 41.59 115
9
9.78
26 26.23
43 42.73 120
10 10.84
11 11.90
12 12.94
13 13.97
14 14.99
15 16.00
16 17.00
27 27.07
28 27.79
29 28.73
30 29.56
31 30.39
32 31.24
33 32.12
44 43.88 125
45 45.00 130
50 50.68 135
55 56.00 140
60 60.44 145
65 64.63 150
70 69.14 155
Note: Temperature, voltage and nonlinearity not included.
4
74.00
79.16
84.53
90.00
95.47
100.84
106.00
110.86
115.37
119.56
124.00
129.32
135.00
140.68
146.00
150.44
154.63
160 159.14
165 164.00
170 169.16
175 174.33
180 180.00
185 185.47
190 190.84
195 196.00
200 200.86
205 205.37
210 209.56
215 214.00
220 219.32
225 225.00
230 230.58
235 236.00
240 240.44
Ideal Q Nominal
Degrees Q Degrees
245 244.63
250 249.14
255 254.00
260 259.16
265 264.53
270 270.00
275 275.47
280 280.84
285 286.00
290 290.86
295 295.37
300 299.21
305 303.02

4페이지










CS4121EDWFR20 전자부품, 판매, 대치품
Speedometer/Odometer or Tachometer Application
Speedo
Input
R2
R3
CT
R4
C3
Battery
D1 R1
D2
C1
1 CCPP++
2 SQOUT
3 FREQIN
4 Gnd
5 Gnd
6 COS+
7 COS-
8 VCC
CP- 16
F/VOUT 15
VREG 14
Gnd 13
Gnd 12
SINE+ 11
SINE- 10
BIAS 9
C4+ RT
COSINE
SINE
Gnd
Air Core
Gauge
200W
Speedometer
Figure 6
R1 - 3.9, 500mW
R2 - 10k½
R3 - 3k½
R4 - 1k½
RT - Trim Resistor +/- 20 PPM/¡C 243k½
C1 - 0.1µF
C3 - 0.1µF
C4 - 0.47µF
CT - 0.0033µF, +/- 30 PPM/¡C
D1 - 1A, 600 PIV
D2 - 50V, 500mW Zener
Note 1: For 58% Speed Input TMAX ² 5/fMAX where
TMAX = CT(R3+R4)
fMAX = maximum speed input frequency
Speedo
Input
R2
R3
CT
R4
C3
Battery
D1 R1
D2 C1
1 CCPP++
2 SQOUT
3 FREQIN
4 Gnd
5 Gnd
6 COS+
7 COS-
8 VCC
CP- 16
F/VOUT 15
VREG 14
Gnd 13
Gnd 12
SINE+ 11
SINE- 10
BIAS 9
C4+
COSINE
SINE
Gnd
Air Core
Gauge
200W
Speedometer
RT
C2
1
CS8441
Figure 7
Note 1: The product of CT and RT have a direct effect on
gain and therefore directly affect temperature compensation
Note 2: CT Range; 20pF to .2µF
Note 3: RT Range; 100k½ to 500k½
Air Core
Stepper Motor
200W
Odometer
Note 4: The IC must be protected from transients above 60V and
reverse battery conditions
Note 5: Additional filtering on FREQIN lead may be required
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
CS4121EDWFR20

Low Voltage Precision Air-Core Low Voltage Precision Air-Core

Cherry Semiconductor Corporation
Cherry Semiconductor Corporation

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