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參數(shù)資料
| 型號： | ADC1241CIJ |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | Self-Calibrating 12-Bit Plus Sign mP-Compatible A/D Converter with Sample-and-Hold |
| 中文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, CDIP28 |
| 封裝： | CERAMIC, DIP-28 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 268K |
| 代理商： | ADC1241CIJ |
TL/H/10554
A
P
November 1994
ADC1241 Self-Calibrating 12-Bit Plus
Sign
m
P-Compatible A/D Converter
with Sample-and-Hold
General Description
The ADC1241 is a CMOS 12-bit plus sign successive ap-
proximation analog-to-digital converter. On request, the
ADC1241 goes through a self-calibration cycle that adjusts
positive linearity and full-scale errors to less than
g
(/2
LSB
each and zero error to less than
g
1 LSB. The ADC1241
also has the ability to go through an Auto-Zero cycle that
corrects the zero error during every conversion.
The analog input to the ADC1241 is tracked and held by the
internal circuitry, and therefore does not require an external
sample-and-hold. A unipolar analog input voltage range (0V
to
a
5V) or a bipolar range (
b
5V to
a
5V) can be accom-
modated with
g
5V supplies.
The 13-bit word on the outputs of the ADC1241 gives a 2’s
complement representation of negative numbers. The digi-
tal inputs and outputs are compatible with TTL or CMOS
logic levels.
Applications
Y
Digital Signal Processing
Y
High Resolution Process Control
Y
Instrumentation
Key Specifications
Y
Resolution
12 Bits plus Sign
13.8
m
s (max)
Y
Conversion Time
Y
Linearity Error
g
(/2
LSB (
g
0.0122%) (max)
Y
Zero Error
g
1LSB (max)
g
1LSB (max)
70mW (max)
Y
Positive Full Scale Error
Y
Power Consumption
Features
Y
Self-calibrating
Y
Internal sample-and-hold
Y
Bipolar input range with
g
5V supplies and single
a
5V reference
Y
No missing codes over temperature
Y
TTL/MOS input/output compatible
Y
Standard 28-pin DIP
TRI-STATE
é
is a registered trademark of National Semiconductor Corporation.
Simplified Schematic
TL/H/10554–1
Connection Diagram
Dual-In-Line Package
TL/H/10554–2
Top View
Order Number ADC1241CMJ,
ADC1241CMJ/883, ADC1241BIJ or
ADC1241CIJ
See NS Package Number J28A
C
1995 National Semiconductor Corporation
RRD-B30M115/Printed in U. S. A.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADC1241CMJ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Self-Calibrating 12-Bit Plus Sign mP-Compatible A/D Converter with Sample-and-Hold |
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