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PDF CS4121 Data sheet ( Hoja de datos )
| Número de pieza | CS4121 | |
| Descripción | Low Voltage Precision Air-Core Tach/Speedo Driver | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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CS4121
Low Voltage Precision
Air−Core Tach/Speedo
Driver
The CS4121 is specifically designed for use with air−core meter
movements. The IC provides all the functions necessary for an analog
tachometer or speedometer. The CS4121 takes a speed sensor input
and generates sine and cosine related 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 utilizes
differential drivers which eliminates the need for a Zener reference
and offers more torque. The device withstands 60 V transients which
decreases the protection circuitry required. The device is also more
precise than existing devices allowing for fewer trims and for use in a
speedometer.
The CS4121 is compatible with the CS8190, and provides higher
accuracy at a lower supply voltage (8.0 V min. as opposed to 8.5 V). It
is functionally operational to 6.5 V.
Features
• Pb−Free Package is Available*
• Direct Sensor Input
• High Torque Output
• Low Pointer Flutter
• High Input Impedance
• Overvoltage Protection
• Accurate to 8.0 V Functional to 6.5 V (typ)
• Internally Fused Leads in SO−20 Package and DIP−16
ABSOLUTE MAXIMUM RATINGS
Rating
Value Unit
Supply Voltage, VCC
< 100 ms Pulse Transient
Continuous
60
24
Operating Temperature (TJ)
Storage Temperature
−40 to +105
−40 to +165
Junction Temperature
−40 to +150
ESD (Human Body Model)
4.0
Lead Temperature Soldering:
Wave Solder (through hole styles only) (Note 1)
Reflow: (SMD styles only) (Note 2)
260 peak
230 peak
V
V
°C
°C
°C
kV
°C
°C
Maximum ratings are those values beyond which device damage can occur.
Maximum ratings applied to the device are individual stress limit values (not
normal operating conditions) and are not valid simultaneously. If these limits
are exceeded, device functional operation is not implied, damage may occur
and reliability may be affected.
1. 10 seconds maximum.
2. 60 second maximum above 183°C.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
http://onsemi.com
20
1
SO−20L
DWF SUFFIX
CASE 751D
16
1
DIP−16
NF SUFFIX
CASE 648
ORDERING INFORMATION
Device
Package
CS4121EDWF20 SO−20L
CS4121EDWF20G SO−20L
(Pb−Free)
CS4121EDWFR20 SO−20L
CS4121ENF16
DIP−16
Shipping†
37 Units/Rail
37 Units/Rail
1000 Tape&Reel
25 Units/Rail
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
DEVICE MARKING INFORMATION
See specific marking information and pin connection
information on page 4 of this data sheet.
© Semiconductor Components Industries, LLC, 2004
June, 2004 − Rev. 8
1
Publication Order Number:
CS4121/D
1 page  
CS4121
TYPICAL PERFORMANCE CHARACTERISTICS
7
6
5
4
COS
3
2
1
0
−1
−2
−3
−4
−5 SIN
−6
−7
0 45 90 135 180 225 270 315
Degrees of Deflection (°)
Figure 2. Function Generator Output Voltage vs.
Degrees of Deflection
FńVOUT + 2.0 V ) 2.0 FREQ CCP RT (VREG * 0.7 V)
7
6
5
4
3
2
1
0
0 45 90 135 180 225 270 315
Frequency/Output Angle (°)
Figure 3. Charge Pump Output Voltage vs.
Output Angle
7.0 V
(VSINE+) − (VSINE−)
−7.0 V
q Angle
7.0 V
(VCOS+) − (VCOS−)
ƪ ƫq + ARCTAN
VSIN ) * VSIN *
VCOS ) * VCOS *
−7.0 V
Figure 4. Output Angle in Polar Form
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
45 90 135 180 225 270
Theoretical Angle (°)
Figure 5. Nominal Output Deviation
315
45
40
35
30
25
20
15
10
5
0
0
Ideal Degrees
Nominal Degrees
5 9 13 17 21 25 29 33 37
Nominal Angle (°)
Figure 6. Nominal Angle vs. Ideal Angle (After Calibrating at 1805)
41
45
http://onsemi.com
5
5 Page 
−A−
16
1
H
G
CS4121
PACKAGE DIMENSIONS
DIP−16
NF SUFFIX
CASE 648−08
ISSUE T
9
B
8
FC
S
L
−T−
SEATING
PLANE
KJ
D 16 PL
0.25 (0.010) M T A M
M
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEADS
WHEN FORMED PARALLEL.
4. DIMENSION B DOES NOT INCLUDE
MOLD FLASH.
5. ROUNDED CORNERS OPTIONAL.
INCHES MILLIMETERS
DIM MIN MAX MIN MAX
A 0.740 0.770 18.80 19.55
B 0.250 0.270 6.35 6.85
C 0.145 0.175 3.69 4.44
D 0.015 0.021 0.39 0.53
F 0.040 0.70 1.02 1.77
G 0.100 BSC
2.54 BSC
H 0.050 BSC
1.27 BSC
J 0.008 0.015 0.21 0.38
K 0.110 0.130 2.80 3.30
L 0.295 0.305 7.50 7.74
M 0 _ 10 _ 0 _ 10 _
S 0.020 0.040 0.51 1.01
SO−20L
DWF SUFFIX
CASE 751D−05
ISSUE G
D
A
20 11
E
1 10
20X B
B
0.25 M T A S B S
q
18X e
A
SEATING
PLANE
A1 T
C
NOTES:
1. DIMENSIONS ARE IN MILLIMETERS.
2. INTERPRET DIMENSIONS AND TOLERANCES
PER ASME Y14.5M, 1994.
3. DIMENSIONS D AND E DO NOT INCLUDE MOLD
PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.
5. DIMENSION B DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE PROTRUSION
SHALL BE 0.13 TOTAL IN EXCESS OF B
DIMENSION AT MAXIMUM MATERIAL
CONDITION.
MILLIMETERS
DIM MIN MAX
A 2.35 2.65
A1 0.10 0.25
B 0.35 0.49
C 0.23 0.32
D 12.65 12.95
E 7.40 7.60
e 1.27 BSC
H 10.05 10.55
h 0.25 0.75
L 0.50 0.90
q 0_ 7_
PACKAGE THERMAL DATA
Parameter
RqJC
RqJA
Typical
Typical
DIP−16
15
50
SO−20L
9
55
Unit
°C/W
°C/W
http://onsemi.com
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet CS4121.PDF ] | |
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