CS8190 반도체 회로 부품 판매점
Precision Air-Core Tach/Speedo Driver with Return to Zero
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 Cherry Semiconductor Corporation |
CS8190
Precision Air-Core Tach/Speedo Driver
with Return to Zero
Description
Features
The CS8190 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
CS8190 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.
s Direct Sensor Input
s High Output Torque
s Low Pointer Flutter
s High Input Impedance
s Overvoltage Protection
s Return to Zero
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-
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. 11/21/96
Cherry Semiconductor Corporation
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885-3600 Fax: (401)885-5786
Email: [email protected]
Web Site: www.cherry-semi.com
1 A ¨ Company
Electrical Characteristics: -40¡C ² TA ² 85¡C, 8.5V ² VCC ² 15V unless otherwise specified.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
s Supply Voltage Section
ICC Supply Current
VCC = 16V, -40¡C, No Load
VCC Normal Operation Range
50 125
8.5 13.1 16.0
s Input Comparator Section
Positive Input Threshold
Input Hysteresis
Input Bias Current *
Input Frequency Range
0V ² VIN ² 8V
Input Voltage Range
in series with 1k½
Output VSAT
Output Leakage
Low VCC Disable Threshold
Logic 0 Input Voltage
ICC = 10mA
VCC = 7V
* Note: Input is clamped by an internal 12V Zener.
1.0 2.0 3.0
200 500
-10 -80
0 20
-1 VCC
0.15 0.40
10
7.0 8.0 8.5
1
s Voltage Regulator Section
Output Voltage
Output Load Current
Output Load Regulation
Output Line Regulation
Power Supply Rejection
0 to 10 mA
8.5V ² VCC ² 16V
VCC = 13.1V, 1Vp/p 1kHz
s Charge Pump Section
Inverting Input Voltage
Input Bias Current
VBIAS Input Voltage
Non Invert. Input Voltage
Linearity*
F/VOUT Gain
Norton Gain, Positive
Norton Gain, Negative
* Note: Applies to % of full scale (270¡)
IIN = 1mA
@ 0, 87.5, 175, 262.5, + 350Hz
@ 350Hz, CT = 0.0033µF, RT = 243k½
IIN = 15µA
IIN = 15µA
6.25
34
1.5
1.5
-0.10
7
0.9
0.9
7.00 7.50
10
10 50
20 150
46
2.0 2.5
40 150
2.0 2.5
0.7 1.1
0.28 +0.70
10 13
1.0 1.1
1.0 1.1
s Function Generator Section: -40¡ ² TA ² 85¡C, VCC = 13.1V unless otherwise noted.
Return to Zero Threshold
TA = 25¡C
5.2 6.0
Differential Drive Voltage
(VCOS+ - VCOS-)
8.5V ² VCC ² 16V
Q = 0¡
5.5 6.5
Differential Drive Voltage
(VSIN+ - VSIN-)
8.5V ² VCC ² 16V
Q = 90¡
5.5 6.5
Differential Drive Voltage
(VCOS+ - VCOS-)
8.5V ² VCC ² 16V
Q = 180¡
-7.5 -6.5
Differential Drive Voltage
(VSIN+ - VSIN-)
8.5V ² VCC ² 16V
Q = 270¡
-7.5 -6.5
Differential Drive Current
Zero Hertz Output Angle
8.5V ² VCC ² 16V
33
-1.5 0.0
7.0
7.5
7.5
-5.5
-5.5
42
1.5
UNIT
mA
V
V
mV
µA
KHz
V
V
µA
V
V
V
mA
mV
mV
dB
V
nA
V
V
%
mV/Hz
I/I
I/I
V
V
V
V
V
mA
deg
2
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제조업체: Cherry Semiconductor Corporation
( cherry )
CS8190 driver
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