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ADC0803LCN/NOPB View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
ADC0803LCN/NOPB 8-Bit µP Compatible A/D Converters TI
Texas Instruments TI
ADC0803LCN/NOPB Datasheet PDF : 48 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
www.ti.com
ADC0801, ADC0802
ADC0803, ADC0804, ADC0805
SNOSBI1B – NOVEMBER 2009 – REVISED FEBRUARY 2013
8-Bit µP Compatible A/D Converters
Check for Samples: ADC0801, ADC0802, ADC0803, ADC0804, ADC0805
FEATURES
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• Compatible with 8080 µP derivatives – no
interfacing logic needed – access time 135 ns
• Easy interface to all microprocessors, or
operates “stand alone”
• Differential analog voltage inputs
• Logic inputs and outputs meet both MOS and
TTL voltage level specifications
• Works with 2.5V (LM336) voltage reference
• On-chip clock generator
• 0V to 5V analog input voltage range with
single 5V supply
• No zero adjust required
• 0.3" standard width 20-pin DIP package
• 20-pin molded chip carrier or small outline
package
• Operates ratiometrically or with 5 VDC, 2.5 VDC,
or analog span adjusted voltage reference
KEY SPECIFICATIONS
• Resolution: 8 Bits
• Total error: ±1/4 LSB, ±1/2 LSB and ±1 LSB
• Conversion Time: 100 µs
DESCRIPTION
The ADC0801, ADC0802, ADC0803, ADC0804 and
ADC0805 are CMOS 8-bit successive approximation
A/D converters that use a differential potentiometric
ladder — similar to the 256R products. These
converters are designed to allow operation with the
NSC800 and INS8080A derivative control bus with
TRI-STATE output latches directly driving the data
bus. These A/Ds appear like memory locations or I/O
ports to the microprocessor and no interfacing logic is
needed.
Differential analog voltage inputs allow increasing the
common-mode rejection and offsetting the analog
zero input voltage value. In addition, the voltage
reference input can be adjusted to allow encoding
any smaller analog voltage span to the full 8 bits of
resolution.
CONNECTION DIAGRAM
ADC080X
Dual-In-Line and Small Outline (SO) Packages
See Ordering Information
Table 1. ORDERING INFORMATION
TEMP RANGE
±1/4 Bit Adjusted
ERROR
±1/2 Bit Unadjusted
±1/2 Bit Adjusted
±1Bit Unadjusted
PACKAGE OUTLINE
Z-80® is a registered trademark of Zilog Corp.
0°C TO 70°C
ADC0802LCWM
ADC0804LCWM
M20B — Small Outline
0°C to 70°C
ADC0804LCN
40°C TO +85°C
ADC0801LCN
ADC0802LCN
ADC0803LCN
ADC0805LCN/ADC0804LCJ
N20A — Molded DIP
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2009–2013, Texas Instruments Incorporated
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