CS289 ON Semiconductor, CS289 Datasheet

no-image

CS289

Manufacturer Part Number
CS289
Description
Manufacturer
ON Semiconductor
Datasheet
December, 2001 - Rev. 4
20mA Air-Core Tachometer Drive Circuit
The CS289 is specifically designed
for use with air-core meter move-
ments. The IC has charge pump cir-
cuitry for frequency-to-voltage con-
version, a shunt regulator for stable
Supply Voltage (V
Operating Temperature ............................................................–40°C to +100°C
Junction Temperature..................................................................–40°C to 150°C
Storage Temperature.................................................................–65°C to +150°C
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
Pwr Gnd
V
Z
Generator
Function
V
V
CC
SINE
CC
)......................................................................................20V
Absolute Maximum Ratings
V
Description
COS
Block Diagram
Regulator
V
V
BIAS
REG
operation, a function generator, and
sine and cosine amplifiers. The
buffered sine and cosine outputs
will typically sink or source 20mA.
S
Q
C
IN
p
CS289
S
Q
C
+
OUT
P
+
Charge
1
Pump
Gnd
F/V OUT
2000 South County Trail, East Greenwich, RI 02818
N. American Technical Support: 800-282-9855
Tel: (401)885–3600 Fax: (401)885–5786
Single Supply Operation
On-Chip Regulation
20mA Output Drive
Capability
V
V
Web Site: www.onsemi.com
V
V
Package Options
SINE
BIAS
C
C
Gnd
SINE
C
BIAS
Gnd
Gnd
Gnd
Gnd
C
NC
P
V
P
NC
V
P
P
+
Z
Z
+
ON Semiconductor
20L SOIC Wide
Features
1
1
14L PDIP
Pwr Gnd
V
V
V
S
S
F/V
CC
COS
REG
Q
Q
V
V
V
Gnd
Gnd
Gnd
Gnd
S
S
F/V
IN
OUT
OUT
CC
COS
REG
Q
Q
IN
OUT
OUT

Related parts for CS289

CS289 Summary of contents

Page 1

... Air-Core Tachometer Drive Circuit Description The CS289 is specifically designed for use with air-core meter move- ments. The IC has charge pump cir- cuitry for frequency-to-voltage con- version, a shunt regulator for stable Absolute Maximum Ratings Supply Voltage (V )......................................................................................20V CC Operating Temperature ............................................................–40°C to +100°C Junction Temperature..................................................................– ...

Page 2

Electrical Characteristics: (V PARAMETER Supply Current (Note Regulated Voltage I Regulation I Signal Input Current T = 25°C Saturation Voltage I Leakage Current I Input Current Output V V Linearity E V ...

Page 3

PACKAGE PIN # 20L SO 14L PDIP Note 1: V measured measured V sine sine Z COS Note 2: Max PWR dissipation V X ...

Page 4

... 2°, 11.3V V 15V MV CC Figure 1. Functional Diagram of CS289 Circuit. Circuit Description The output waveforms of the sine and cosine amplifiers are derived by On-Chip Amplifier/Comparator circuitry. The various trip points for the circuit (i.e. 90°, 180°, 270°) = are determined by an internal resistor divider connected to the voltage regulator ...

Page 5

RPM CYL. = Frequency 2.1 + Frequency F/V OUT The above equations were used in calculating the follow- ing values, where V = 7.1V at =270° and ...

Page 6

... REF: JEDEC MS-001 1.27 (.050) 0.40 (.016) REF: JEDEC MS-013 Ordering Information Part Number Description CS289GDW20 20 Lead SO Wide CS289GDWR20 20 Lead SO Wide (tape & reel) CS289GN14 14 Lead PDIP Package Specification D Thermal Data English R typ JC Min Max Min R typ JA 18 ...

Page 7

Notes ...

Page 8

Notes ...

Related keywords