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ICL7112LIDL Datasheet

  • ICL7112LIDL

  • 12-Bit, High-Speed, CMOS uP-Compatible A/D Converter

  • 14頁(yè)

  • INTERSIL   INTERSIL

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廬
January 1998
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ICL7112
12-Bit, High-Speed,
CMOS
碌P-Compatible
A/D Converter
Description
The ICL7112 is a monolithic 12-bit resolution, fast
successive approximation A/D converter. It uses thin film
resistors and CMOS circuitry combined with an on-chip
PROM calibration table to achieve 12-bit linearity without
laser trimming. Special design techniques used in the DAC
and comparator result in high speed operation, while the
fully static silicon-gate CMOS circuitry keeps the power
dissipation very low.
Microprocessor bus interfacing is eased by the use of
standard memory WRite and ReaD cycle timing and control
signals, combined with Chip Select and Address pins. The
digital output pins are byte-organized and three-state gated
for bus interface to 8-bit and 16-bit systems.
The lCL7112 provides separate Analog and Digital grounds
for increased system accuracy. Operating with
鹵5V
supplies,
the lCL7112 accepts 0V to +10V input with a -10V reference
or 0V to -10V input with a +10V reference.
Features
鈥?12-Bit Resolution and Accuracy
鈥?No Missing Codes
鈥?Microprocessor Compatible Byte-Organized Buffered
Outputs
鈥?Auto-Zeroed Comparator for Low Offset Voltage
鈥?Low Linearity and Gain Errors
鈥?Low Power Consumption (60mW)
鈥?No Gain or Offset Adjustment Necessary
鈥?Provides 3% Usable Overrange
鈥?Fast Conversion (40碌s)
Ordering Information
PART NO.
ICL7112JCDL
ICL7112KCDL
ICL7112LCDL
ICL7112JIDL
ICL7112KIDL
ICL7112LIDL
ICL7112JMDL
ICL7112KMDL
ICL7112LMDL
NOTE: Over operating temperature range.
TEMP. RANGE (
o
C)
0 to 70
0 to 70
0 to 70
-25 to 85
-25 to 85
-25 to 85
-55 to 125
-55 to 125
-55 to 125
PACKAGE
40 Ld CERDIP
40 Ld CERDIP
40 Ld CERDIP
40 Ld CERDIP
40 Ld CERDIP
40 Ld CERDIP
40 Ld CERDIP
40 Ld CERDIP
40 Ld CERDIP
RESOLUTION WITH NO MISSION
CODES
11-Bit
12-Bit
12-Bit (Note)鹵
11-Bit
12-Bit
12-Bit (Note)鹵
11-Bit
12-Bit
12-Bit (Note)鹵
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright 漏 Intersil Americas Inc. 2002. All Rights Reserved
6-1
File Number
3639.1

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