SWR200C Cirrus Logic Inc, SWR200C Datasheet

SWR200C

Manufacturer Part Number

SWR200C

Description

IC SINE WAVE REF PREC 7V 14-DIP

Manufacturer

Cirrus Logic Inc

Type

Sine Wave Referencer

Datasheet

1.SWR200C.pdf (5 pages)

Specifications of SWR200C

Frequency

10kHz

Voltage - Supply

±15 V

Current - Supply

10.5mA

Operating Temperature

-25°C ~ 85°C

Package / Case

14-DIP

Mounting Style

Through Hole

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Count

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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FEATURES

♦ Very High Accuracy: +7.071 Vrms ±0.5%

♦ Extremely Low Drift: 20 ppm/°C

♦ Excellent Stability: 10 ppm/1000 Hrs. Typical

♦ Low Distortion: 0.1% Thd @ f = 3300 Hz

♦ Hermetic 14-pin Ceramic DIP

♦ Military Processing Option

APPLICATIONS

♦ Transducer Excitation

♦ High Resolution Servo Systems

♦ High Precision Test and Measurement Instru-

♦ AC Voltage Standard

♦ L

♦ Multiplying D/A Reference

SWR200DS

(-55°C to +125°C)

ments

VDT

www.cirrus.com

Or R

VDT

Reference

P r o d u c t T e c h n o l o g y F r o m

P r o d u c t I n n o v a t i o n F r o m

Precision Sine Wave Reference

SWR200

-15V

+15V

Figure 1. Block Diagram

-15V

+15V

DESCRIPTION

SWR200 is a Precision Sine Wave Reference provid-

ing an ultra stable sine wave output of +7.071 V at

±0.5% initial accuracy and temperature coefficient as

low as 20 ppm/°C over the full military temperature

range. The extreme accuracy is made possible by a

chopper-based AGC circuit. The temperature charac-

teristic of the chopper circuit compensates the typical

nonlinearity of the internal DC zener reference, result-

ing in a nearly linear amplitude-temperature character-

istic. Frequency of the SWR200 is programmable with

two external capacitors.

The SWR200 is available in a 14-pin bottom braze

package. They are hermetically sealed and “M” ver-

sions are screened for high reliability and quality.

SWR200 is well suited for any application requiring a

stable sine wave source. The SWR200 can be used as

a reference source in precision sensing systems based

on L

reference can be constructed using the SWR200 as

a reference for a high accuracy multiplying Digital to

Analog Converter.

VDT

or R

VDT

position sensors. A programmable AC

-15V

APEX − SWR200DSREVI

+15V

SWR200

SEP 2010

Related parts for SWR200C

SWR200C Summary of contents

... POWER SUPPLY CURRENTS +PS -PS DISTORTION FREQUENCY Normalized Error 10 -5 Range ( ∆f vs. temperature Temperature Operating Range Package -25°C to +85°C DIP -55°C to +125°C DIP SWR200C Min Typ Max ±13.5 ±15 ±22 -25 +85 -65 +85 Continuous 7.071 ±0.5 100 20.0 10 ± 10 ...

Page 3

... FREQ. vs. TEMP. OUT 0 Temperature C o SWR200M DISTORTION vs. FREQUENCY Frequency (Hz) CASE TEMP. RISE ABOVE AMBIENT vs. OUTPUT CURRENT Output Current (mA) % ∆ FREQ. vs. TEMP. Temperature Temperature C o SWR200M SWR200C NORMALIZED DISTORTION vs. C2/C1 C2/C1 JUNCTION TEMP. RISE ABOVE CASE TEMP. vs OUTPUT CURRENT Output Current (mA) SWR200 ...

Page 4

SWR200 3. THEORY OF OPERATION The following refers to the schematic in Figure 1. A1 and A2 are connected as a phase-shift oscillator circuit with the frequency set by the external capacitors C1 and C2 included in the ...

Page 5

The value for the lower frequency AGC capacitors is given by the following schematic and formula. To predict AGC ...

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SWR200C Cirrus Logic Inc, SWR200C Datasheet

SWR200C

Specifications of SWR200C

Related parts for SWR200C

SWR200C Summary of contents

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Page 5

Related keywords