Datasheet 搜索 > AD转换器 > TI（德州仪器） > ADC0804LCWM 数据手册 > ADC0804LCWM 其他数据使用手册 1/41 页
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ADC0804LCWM 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
AD转换器
封装:
SOIC-20
描述:
TEXAS INSTRUMENTS ADC0804LCWM 模数转换器, 8 bit, 9.708 kSPS, 单, 4.5 V, 6.3 V, SOIC
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典型应用电路图在P2P7P8P9P10P11P12P13P14P15P16
原理图在P19
封装尺寸在P1P40
型号编码规则在P1
功能描述在P1P16P17P18P19P20P21P22P23P24P25P26
技术参数、封装参数在P1P3P4
应用领域在P2P7P8P9P10P11P12P13P14P15P16P22
电气规格在P3P4P5
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ADC0804LCWM数据手册
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ADC0801/ADC0802/ADC0803/ADC0804/ADC0805
8-Bit µP Compatible A/D Converters
General 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 loca-
tions 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.
Features
n Compatible with 8080 µP derivatives—no interfacing
logic needed - access time - 135 ns
n Easy interface to all microprocessors, or operates “stand
alone”
n Differential analog voltage inputs
n Logic inputs and outputs meet both MOS and TTL
voltage level specifications
n Works with 2.5V (LM336) voltage reference
n On-chip clock generator
n 0V to 5V analog input voltage range with single 5V
supply
n No zero adjust required
n 0.3" standard width 20-pin DIP package
n 20-pin molded chip carrier or small outline package
n Operates ratiometrically or with 5 V
DC
, 2.5 V
DC
,or
analog span adjusted voltage reference
Key Specifications
n Resolution 8 bits
n Total error
±
1
⁄
4
LSB,
±
1
⁄
2
LSB and
±
1 LSB
n Conversion time 100 µs
Connection Diagram
Ordering Information
TEMP RANGE 0˚C TO 70˚C 0˚C TO 70˚C −40˚C TO +85˚C
±
1
⁄
4
Bit Adjusted ADC0801LCN
ERROR
±
1
⁄
2
Bit Unadjusted ADC0802LCWM ADC0802LCN
±
1
⁄
2
Bit Adjusted ADC0803LCN
±
1Bit Unadjusted ADC0804LCWM ADC0804LCN ADC0805LCN/ADC0804LCJ
PACKAGE OUTLINE M20B—Small
Outline
N20A—Molded DIP
Z-80
®
is a registered trademark of Zilog Corp.
ADC080X
Dual-In-Line and Small Outline (SO) Packages
DS005671-30
See Ordering Information
November 1999
ADC0801/ADC0802/ADC0803/ADC0804/ADC0805 8-Bit µP Compatible A/D Converters
© 2001 National Semiconductor Corporation DS005671 www.national.com
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