参数资料
型号: ADC08138
厂商: National Semiconductor Corporation
元件分类: 串行ADC
英文描述: 8-Bit High-Speed Serial I/O A/D Converters with Multiplexer Options, Voltage Reference, and Track/Hold Function(8位高速串行输入/输出A/D转换器带多路选择,电压基准和跟踪/保持功能)
中文描述: 8位高速串行I /办公自动化/ D的多路复用器选项,电压参考,并跟踪转换器/保持功能(8位高速串行输入/输出的A / D转换器带多路选择,电压基准和跟踪/保持功能)
文件页数: 1/21页
文件大小: 483K
代理商: ADC08138
ADC08131/ADC08134/ADC08138
8-Bit High-Speed Serial I/O A/D Converters with
Multiplexer Options, Voltage Reference, and Track/Hold
Function
General Description
The ADC08131/ADC08134/ADC08138 are 8-bit successive
approximation A/D converters with serial I/O and config-
urable input multiplexers with up to 8 channels. The serial
I/O is configured to comply with the NSC MICROWIRE
serial data exchange standard for easy interface to the
COPS
family of controllers, and can easily interface with
standard shift registers or microprocessors.
All three devices provide a 2.5V band-gap derived reference
with guaranteed performance over temperature.
Atrack/hold function allows the analog voltage at the positive
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-differential modes. In addition, input voltage spans
as small as 1V can be accommodated.
Applications
n
Digitizing automotive sensors
n
Process control/monitoring
n
Remote sensing in noisy environments
n
Embedded diagnostics
Features
n
Serial digital data link requires few I/O pins
n
Analog input track/hold function
n
4- or 8-channel input multiplexer options with address
logic
n
On-chip 2.5V band-gap reference (
±
2% over
temperature guaranteed)
n
No zero or full scale adjustment required
n
TTL/CMOS input/output compatible
n
0V to 5V analog input range with single 5V power
supply
Key Specifications
n
Resolution
n
Conversion time (f
C
= 1 MHz)
n
Power dissipation
n
Single supply
n
Total unadjusted error
n
Linearity Error (V
REF
= 2.5V)
n
No missing codes (over temperature)
n
On-board Reference
8 Bits
8 μs (Max)
20 mW (Max)
5 V
DC
(
±
5%)
±
1
2
LSB and
±
1 LSB
±
1
2
LSB
+2.5V
±
1.5% (Max)
Ordering Information
Industrial
Package
(40C
T
A
+85C)
ADC08131CIWM
ADC08134CIWM
ADC08138CIWM
M14B
M14B
M20B
TRI-STATE
is a registered trademark of National Semiconductor Corporation.
COPS
microcontrollers and MICROWIRE
are trademarks of National Semiconductor Corporation.
June 1999
A
O
2001 National Semiconductor Corporation
DS010749
www.national.com
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ADC08138CIWM 功能描述:IC ADC 8BIT HS SERIAL I/O 20SOIC RoHS:否 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 位数:12 采样率(每秒):3M 数据接口:- 转换器数目:- 功率耗散(最大):- 电压电源:- 工作温度:- 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-23-6 包装:带卷 (TR) 输入数目和类型:-