參數(shù)資料
型號: ADC10158
廠商: National Semiconductor Corporation
英文描述: Low-Voltage High-Speed Quadruple Differential Line Receiver 16-SOIC 0 to 70
中文描述: 10位帶符號4レs的4模數(shù)轉(zhuǎn)換器-或8通道多路復(fù)用器,采樣/保持和參考
文件頁數(shù): 1/23頁
文件大小: 439K
代理商: ADC10158
ADC10154/ADC10158
10-Bit Plus Sign 4 μs ADCs with 4- or 8-Channel MUX,
Track/Hold and Reference
General Description
The ADC10154 and ADC10158 are CMOS 10-bit plus sign
successive approximation A/D converters with versatile ana-
log input multiplexers, track/hold function and a 2.5V
band-gap reference. The 4-channel or 8-channel multiplex-
ers can be software configured for single-ended, differential
or pseudo-differential modes of operation.
The input track/hold is implemented using a capacitive array
and sampled-data comparator.
Resolution can be programmed to be 8-bit, 8-bit plus sign,
10-bit or 10-bit plus sign. Lower-resolution conversions can
be performed faster.
The variable resolution output data word is read in two bytes,
and can be formatted left justified or right justified, high byte
first.
Applications
n
Process control
n
Instrumentation
n
Test equipment
Features
n
4- or 8- channel configurable multiplexer
n
Analog input track/hold function
n
0V to 5V analog input range with single +5V power
supply
n
5V to +5V analog input voltage range with
±
5V
supplies
n
Fully tested in unipolar (single +5V supply) and bipolar
(dual
±
5V supplies) operation
n
Programmable resolution/speed and output data format
n
Ratiometric or Absolute voltage reference operation
n
No zero or full scale adjustment required
n
No missing codes over temperature
n
Easy microprocessor interface
Key Specifications
n
Resolution
n
Integral linearity error
n
Unipolar power dissipation
n
Conversion time (10-bit + sign)
n
Conversion time (8-bit)
n
Sampling rate (10-bit + sign)
n
Sampling rate (8-bit)
n
Band-gap reference
10-bit plus sign
±
1 LSB (max)
33 mW (max)
4.4 μs (max)
3.2 μs (max)
166 kHz
207 kHz
2.5V
±
2.0% (max)
ADC10158 Simplified Block Diagram
TRI-STATE
is a registered trademark of National Semiconductor Corporation.
DS011225-1
November 1999
A
R
1999 National Semiconductor Corporation
DS011225
www.national.com
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