DTC-19300-551L datasheet, PDF - EEWORLD Datasheet

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DTC-19300-551L: DescriptionLVDT or RVDT to Digital Converter, Hybrid, DDIP-36; CategoryAnalog mixed-signal IC converter; File Size202KB，8 Pages; ManufacturerData Device Corporation

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DTC-19300-551L Overview

LVDT or RVDT to Digital Converter, Hybrid, DDIP-36

DTC-19300-551L Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Parts packaging code	MODULE
package instruction	,
Contacts	36
Reach Compliance Code	compliant
ECCN code	EAR99
Other features	BUILT-IN-TEST; PROGRAMMABLE RESOLUTION; IT ALSO REQUIRES A 15V SUPPLY
Maximum analog input voltage	2 V
Converter type	LVDT OR RVDT TO DIGITAL CONVERTER
JESD-30 code	R-XDMA-P36
JESD-609 code	e0
Number of digits	14
Number of functions	1
Number of terminals	36
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	UNSPECIFIED
Package shape	RECTANGULAR
Package form	MICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Filter level	MIL-PRF-38534
Maximum supply voltage	5.5 V
Minimum supply voltage	4.5 V
Nominal supply voltage	5 V
surface mount	NO
technology	HYBRID
Temperature level	INDUSTRIAL
Terminal surface	TIN LEAD
Terminal form	PIN/PEG
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
Maximum tracking rate	1 rps
Base Number Matches	1

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DTC-19300

LVDT/RVDT-TO-DIGITAL CONVERTER

DESCRIPTION

The DTC-19300 is a 12- or 14-bit

LVDT (Linear Variable Differential

Transformer)- or RVDT (Rotary

Variable Differential Transformer)-to-

digital converter which also supplies

the AC excitation to drive the LVDT.

Internal AC excitation voltage, fre-

quency, signal gain and resolution are

all programmable for optimum system

performance. Packaged in a 36-pin

hybrid, the DTC-19300 also features

Velocity (VEL) and Built-In-Test (BIT)

outputs. The three-state digital out-

puts are provided in a two byte for-

mat, for easy computer interface.

The DTC-19300 has been designed

precisely for use with an LVDT.

Inherent characteristics of the DTC-

19300, such as the input to output

phase shift, have been given con-

siderable attention. The converter’s

reference voltage is derived from,

and is in phase with, the LVDT out-

put signal. Therefore, any errors due

to the transducer’s phase shift are

virtually eliminated. Additionally, the

programmability of the DTC-19300

will accomodate a broad range of

LVDT’s.

FEATURES

•

Internal Oscillator:

Programmable for Voltage and

Frequency

•

Programmable Signal Gain

•

Programmable for 12- or 14-Bit

Resolution

APPLICATIONS

The DTC-19300 provides many fea-

tures previously supplied by individual

system components. Because of its

internal AC source, programmable

features, fault indicator (BIT), and

velocity output (VEL), the need for

other system circuits is minimized. The

DTC-19300 is an excellent choice for

applications using the LVDT transduc-

er for position feedback, such as mili-

tary, commercial aerospace and

industrial control systems.

•

Velocity Output

•

Built-In-Test Output

•

Three-State, Two-Byte

Digital Output

10k

PHASE

COMP

DTC-19300

REFERENCE

CONDITIONER

BIT

DETECT

BIT

ZERO SET

TIMING

LVDT

FULL

SCALE

34 SG

VEL

PROG

GAIN

AMP

DIFF

SIG

REF

HIGH

ACCURACY

RATIO BRIDGE

ERROR

AMP

DEMOD

1 LSB ANTILITTER

FEEDBACK

ERROR

PROCESSOR

VCO

33 S

32 R

DIF

GAIN

SUM

(REF)

14 BIT BRIDGE

TRANSPARENT

LATCH

14 BIT

U-D COUNTER

31 RO

36 RI

U/D

50 ns DELAY

19 OSC

FREQ

R4 22

AMPL

POWER

OSCILLATOR

14 BIT OUTPUT

TRANSPARENT

LATCH

INH

INHIBIT

TRANSPARENT

LATCH

INH

POWER

SUPPLY

CONDITIONER

+5 V

3 STATE

TTL BUFFER

3 STATE

TTL BUFFER

INTERNAL

DC REF (11V)

+15 V

BITS 1-6

BITS 7-14

FIGURE 1. DTC-19300 BLOCK DIAGRAM

1986, 1999 Data Device Corporation

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