CS8191XDWF20 CHERRY [Cherry Semiconductor Corporation], CS8191XDWF20 Datasheet
CS8191XDWF20
Manufacturer Part Number
CS8191XDWF20
Description
Precision Air-Core Tach/Speedo Driver with Short Circuit Protection
Manufacturer
CHERRY [Cherry Semiconductor Corporation]
Datasheet
1.CS8191XDWF20.pdf
(8 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CS8191XDWF20
Manufacturer:
ON Semiconductor
Quantity:
19
Rev 3/9/99
The CS8191 is specifically designed
for use with 4 quadrant air-core
meter movements. The IC includes
an input comparator for sensing
input frequency such as vehicle
speed or engine RPM, a charge
pump for frequency to voltage con-
version, a bandgap reference for
stable operation and a function
generator with sine and cosine
Supply Voltage
Operating Temperature Range ........................................................-40¡C to +105¡C
Junction Temperature Range ...........................................................-40¡C to +150¡C
Storage Temperature Range.............................................................-55¡C to +165¡C
Electrostatic Discharge (Human Body Model) ...................................................4kV
Lead Temperature Soldering
Precision Air-Core Tach/Speedo Driver
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
FREQ
SQ
COS +
COS -
BIAS
CP+
Gnd
Gnd
V
OUT
CC
IN
( ² 100ms pulse transient) ...........................................V
(continuous) ..................................................................V
Output
with Short Circuit Protection
COS
Comp.
+
Ð
Charge Pump
Input
Absolute Maximum Ratings
Ð
+
+
Ð
Description
Block Diagram
High Voltage, Short
Circuit Protection
Generator
Function
amplifiers that differentially drive
the motor coils.
The CS8191 has a higher torque
output and better output signal
symmetry than other competitive
parts (CS289, and LM1819). It is
protected against short circuit and
overvoltage (60V) fault conditions.
Enhanced circuitry permits func-
tional operation down to 8V.
Regulator
Voltage
+
Ð
V
7.0V
REG
CS8191
Ð
+
+
Ð
Output
SINE
1
F/V
CP-
V
Gnd
Gnd
SINE+
SINE-
REG
OUT
CC
CC
= 60V
= 24V
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885-3600 Fax: (401)885-5786
Cherry Semiconductor Corporation
Web Site: www.cherry-semi.com
FREQ
FREQ
Direct Sensor Input
High Output Torque
Wide Output Voltage
Range
High Impedance Inputs
Accurate down to 10V V
Fault Protection
Low Voltage Operation
Email: info@cherry-semi.com
COS-
SINE-
V
COS-
BIAS
Package Options
(internally fused leads)
V
BIAS
(internally fused leads)
SIN-
Gnd
Gnd
V
Gnd
Gnd
REG
V
NC
NC
REG
CC
CC
IN
Overvoltage
Short Circuit
IN
10
Features
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
20 Lead SOIC
16 Lead PDIP
A
16
15
14
13
12
11
10
19
18
17
16
20
15
14
13
12
11
9
¨
F/V
CP+
CP-
Gnd
Gnd
COS+
SINE+
SQ
F/V
CP+
CP-
NC
Gnd
Gnd
NC
COS+
SIN+
SQ
Company
OUT
OUT
OUT
OUT
CC
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