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ADC1005CCJ Schematic ( PDF Datasheet ) - National Semiconductor

Teilenummer ADC1005CCJ
Beschreibung 10-Bit P Compatible A/D Converter
Hersteller National Semiconductor
Logo National Semiconductor Logo 




Gesamt 12 Seiten
ADC1005CCJ Datasheet, Funktion
June 1999
ADC1005
10-Bit µP Compatible A/D Converter
General Description
The ADC1005 is a CMOS 10-bit successive approximation
A/D converter. The 20-pin ADC1005 outputs 10-bit data in a
two-byte format for interface with 8-bit microprocessors.
The ADC1005 has differential inputs to permit rejection of
common-mode signals, allow the analog input range to be
offset, and also to permit the conversion of signals not re-
ferred to ground. In addition, the reference voltage can be
adjusted, allowing smaller voltage spans to be measured
with 10-bit resolution.
Features
n Easy interface to all microprocessors
n Differential analog voltage inputs
n Operates ratiometrically or with 5 VDC voltage reference
or analog span adjusted voltage reference
n 0V to 5V analog input voltage range with single 5V
supply
n On-chip clock generator
n TLL/MOS input/output compatible
n 0.3" standard width 20-pin DIP
Key Specifications
n Resolution
n Linearity Error
n Conversion Time
10 bits
±12 LSB and ±1 LSB
50 µs
Connection Diagram
ADC 1005 (for an 8–bit data bus)
Dual-In-Line Package
Top View
Ordering Information
Part Number Package
Outline
ADC1005BCJ-1 J20A
ADC1005BCJ
J20A
ADC1005CCJ-1 J20A
ADC1005CCJ J20A
Temperature
Range
0˚C to +70˚C
−40˚C to +85˚C
0˚C to +70˚C
−40˚C to +85˚C
Linearity
Error
±12 LSB
±1 LSB
DS005261-1
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
© 1999 National Semiconductor Corporation DS005261
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ADC1005CCJ Datasheet, Funktion
Timing Diagrams
Start Conversion
Output Enable and Reset INTR
DS005261-5
Note: All timing is measured from the 50% voltage points.
Byte Sequencing for ADC1005
Byte
Order
1st
DB7
MSB
Bit 9
2nd Bit 1
DB6
Bit 8
LSB
Bit 0
8-Bit Data Bus Connection
DB5 DB4 DB3 DB2
Bit 7 Bit 6 Bit 5 Bit 4
0000
DB1
Bit 3
0
DB0
Bit 2
0
DS005261-6
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ADC1005CCJ pdf, datenblatt
Physical Dimensions inches (millimeters) unless otherwise noted
Hermetic Dual-In-Line Package (J)
Order Number ADC1005BCJ, ADC1005BCJ-1,
ADC1005CCJ or ADC1005CCJ-1
NS Package Number J20A
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