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參數資料
| 型號： | ADC08238BIN |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | 8-Bit 2 ms Serial I/O A/D Converters with MUX, Reference, and Track/Hold |
| 中文描述： | 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP20 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-20 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 419K |
| 代理商： | ADC08238BIN |
TL/H/11015
A
s
w
December 1994
ADC08231/ADC08234/ADC08238 8-Bit 2
m
s Serial I/O
A/D Converters with MUX, Reference, and Track/Hold
General Description
The ADC08231/ADC08234/ADC08238 are 8-bit succes-
sive approximation A/D converters with serial I/O and con-
figurable input multiplexers with up to 8 channels. The serial
I/O is configured to comply with the NSC MICROWIRE
TM
serial data exchange standard for easy interface to the
COPS
TM
family of controllers, and can easily interface with
standard shift registers or microprocessors.
Designed for high-speed/low-power applications, the devic-
es are capable of a fast 2
m
s conversion when used with a
4 MHz clock.
All three devices provide a 2.5V band-gap derived reference
with guaranteed performance over temperature.
A track/hold function allows the analog voltage at the posi-
tive input to vary during the actual A/D conversion.
The analog inputs can be configured to operate in various
combinations of single-ended, differential, or pseudo-differ-
ential modes. In addition, input voltage spans as small as 1V
can be accommodated.
Applications
Y
High-speed data acquisition
Y
Digitizing automotive sensors
Y
Process control/monitoring
Y
Remote sensing in noisy environments
Y
Disk drives
Y
Portable instrumentation
Y
Test systems
Features
Y
Serial digital data link requires few I/O pins
Y
Analog input track/hold function
Y
4- or 8-channel input multiplexer options with address
logic
Y
On-chip 2.5V band-gap reference (
g
2% over tempera-
ture guaranteed)
Y
No zero or full scale adjustment required
Y
TTL/CMOS input/output compatible
Y
0V to 5V analog input range with single 5V power
supply
Y
Pin compatible with Industry-Standards ADC0831/4/8
Key Specifications
Y
Resolution
Y
Conversion time (f
C
e
4 MHz)
Y
Power dissipation
8 Bits
2
m
s (Max)
20 mW (Max)
5 V
DC
(
g
5%)
Y
Single supply
Y
Total unadjusted error
Y
Linearity Error (V
REF
e
2.5V)
Y
No missing codes (over temperature)
g
(/2
LSB and
g
1 LSB
g
(/2
LSB
Y
On-board Reference
a
2.5V
g
1.5% (Max)
ADC08238 Simplified Block Diagram
TL/H/11015–4
TRI-STATE
é
is a registered trademark of National Semiconductor Corporation.
COPS
TM
microcontrollers and MICROWIRE
TM
are trademarks of National Semiconductor Corporation.
C
1995 National Semiconductor Corporation
RRD-B30M75/Printed in U. S. A.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADC08238BIWM | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:8-Bit 2 ms Serial I/O A/D Converters with MUX, Reference, and Track/Hold |
| ADC08238CIJ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-Ended Data Acquisition System |
| ADC08238CIN | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:8-Bit 2 ms Serial I/O A/D Converters with MUX, Reference, and Track/Hold |
| ADC08238CIWM | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:8-Bit 2 ms Serial I/O A/D Converters with MUX, Reference, and Track/Hold |
| ADC08238CMJ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-Ended Data Acquisition System |
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