adc100ca Thaler Corporation, adc100ca Datasheet

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adc100ca

Manufacturer Part Number
adc100ca
Description
Adc100 Precision 22 Bit Integrating A/d Converter
Manufacturer
Thaler Corporation
Datasheet
FEATURES
DESCRIPTION
ADC100 is a high performance 22-bit A/D
converter based on a patented architecture
which
(accuracy) comparable to the best digital meters.
The ADC100 is available in two operating
temperature ranges, -25°C to +85°C and -55°C
to +125°C. "M" versions are screened for high
reliability and quality.
ADC100 offers 3 ppm max. linearity error and
1ppm/°C max. scale factor error over the military
temperature range. It also has excellent offset
stability at 2 ppm max. which the user can auto
zero if desired.
ADC100's compatibility with popular microcomputer buses increases its ease of application in smart
systems. An on-board microprocessor controls all internal functions of the ADC100. Thaler designers
have minimized external connections to greatly reduce the problem often encountered when applying
ADC's.
Operating from ±15VDC and a +5VDC power supply, ADC100 is packaged in a hermetically sealed 40-
pin ceramic DIP package.
acquisition systems are primary application areas for the unusually high resolution and accuracy of this
ADC.
· 22-BIT RESOLUTION
· ±10.48 INPUT RANGE
· 1ppm/°C MAX. SCALE FACTOR ERROR
· 2 ppm MAX. LINEARITY ERROR
· AUTO ZERO
· BUS COMPATIBLE
· INTERNAL CLOCK and REFERENCE
· LOW POWER CONSUMPTION (0.4 WATTS)
THALER CORPORATION • 2015 N. FORBES BOULEVARD • TUCSON, AZ. 85745 • (520) 882-4000
provides
outstanding
ADC100
Precision 22 Bit
Integrating A/D Converter
Precision test equipment, scientific and medical instruments, and data
performance
ADC100C
ADC100CA
ADC100M
Type
APPLICATIONS
· TEST EQUIPMENT
· DATA ACQUISITION
· SCIENTIFIC INSTRUMENTS
· MEDICAL INSTRUMENTS
· SEISMOLOGICAL EQUIPMENT
· ROBOTIC SYSTEMS
· WEIGHING SYSTEMS
-55°C to +125°C
Operating Range
-25°C to +85°C
-25°C to +85°C
Temperature
Factor Deviation
ADC100DS REV. E MAR 00
Max. Scale
100ppm
60ppm
30ppm

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adc100ca Summary of contents

Page 1

... TEST EQUIPMENT · DATA ACQUISITION · SCIENTIFIC INSTRUMENTS · MEDICAL INSTRUMENTS · SEISMOLOGICAL EQUIPMENT · ROBOTIC SYSTEMS · WEIGHING SYSTEMS performance Type ADC100C ADC100CA ADC100M Temperature Max. Scale Operating Range Factor Deviation -25°C to +85°C 60ppm -25°C to +85°C 30ppm -55° ...

Page 2

MAXIMUM RATING SPECIFICATIONS MODEL PARAMETER TEMPERATURE Operating Storage POWER SUPPLY INPUTS Analog Inputs Digital Inputs EXTERNAL CONNECTIONS (TOP VIEW) 1 N.C. 2 N.C. 3 N.C. 4 Vee (-15V) 5 Vee (+15V) 6 Vdd (+5V) ...

Page 3

... DIGITAL INPUTS Low 4.0 High DIGITAL OUTPUTS Low High 4.0 AUTO ZERO INPUT Low High 4.0 CONVERT INPUT Low 4.0 High TEMPERATURE RANGE -25 * Same as ADC100C Note Cycle 2) ( Max-Min Value) - Noise(.1-10Hz) ADC100CA ADC100C TYP MAX MIN TYP 100 0.2 1 ...

Page 4

In the ADC100 block diagram (see Figure 1), V and V are the inputs. Both are buffered and fed low into a differential, voltage controlled, single output current source. This current is added to the reference current at the input ...

Page 5

CONNECTING THE ADC100 POWER SUPPLIES The power supply lines are connected to pins 4-7. Pin 4 is -15V, pin 5 is +15v, pin 6 is +5V and pin 7 is GND. OUTPUT DATA LINES The output data is available in ...

Page 6

CONVERT TRST Symbol t AZD t TRST t AZ FIGURE 2. AUTO ZERO → CONVERT S1 → Symbol t CONZ CONV FIGURE 3. CONVERSION TIMING DIAGRAMS → → t AZD ...

Page 7

CONVERT → t OEDV S1 S0 Symbol t OEDV t SIR FIGURE 4. DATA OUTPUT FIGURE 5. MECHANICAL SPECIFICATIONS TIMING DIAGRAMS MSB MIB → → → → t SIR Parameter Min. Typ. OE Delay Status Delay ...

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