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ADC08031 の電気的特性と機能

ADC08031のメーカーはNational Semiconductorです、この部品の機能は「8-Bit High-Speed Serial I/O A/D Converters with Multiplexer Options/
Voltage Reference/ and Track/Hold Function」です。


製品の詳細 ( Datasheet PDF )

部品番号 ADC08031
部品説明 8-Bit High-Speed Serial I/O A/D Converters with Multiplexer Options/
Voltage Reference/ and Track/Hold Function
メーカ National Semiconductor
ロゴ National Semiconductor ロゴ 




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ADC08031 Datasheet, ADC08031 PDF,ピン配置, 機能
June 1999
ADC08031/ADC08034/ADC08038
8-Bit High-Speed Serial I/O A/D Converters with
Multiplexer Options, Voltage Reference, and Track/Hold
Function
General Description
The ADC08031/ADC08032/ADC08034/ADC08038 are 8-bit
successive approximation A/D converters with serial I/O and
configurable input multiplexers with up to 8 channels. The
serial I/O is configured to comply with the NSC MICROW-
IREserial data exchange standard for easy interface to the
COPSfamily of controllers, and can easily interface with
standard shift registers or microprocessors.
The ADC08034 and ADC08038 provide a 2.6V band-gap de-
rived reference. For devices offering guaranteed voltage ref-
erence performance over temperature see ADC08131,
ADC08134 and ADC08138.
A track/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 Instrumentation
n Test systems
n Embedded diagnostics
Features
n Serial digital data link requires few I/O pins
n Analog input track/hold function
n 2-, 4-, or 8-channel input multiplexer options with
address logic
n 0V to 5V analog input range with single 5V power
supply
n No zero or full scale adjustment required
n TTL/CMOS input/output compatible
n On chip 2.6V band-gap reference
n 0.3" standard width 8-, 14-, or 20-pin DIP package
n 14-, 20-pin small-outline packages
Key Specifications
n Resolution
8 bits
n Conversion time (fC= 1 MHz)
8µs (max)
n Power dissipation
20mW (max)
n Single supply
n Total unadjusted error
5VDC (±5%)
±12 LSB and ±1LSB
n No missing codes over temperature
Ordering Information
Industrial (−40˚C TA +85˚C)
ADC08031CIN
ADC08031CIWM, ADC08034CIWM
ADC08038CIWM
Package
N08E
M14B
M20B
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
COPSmicrocontrollers and MICROWIREare trademarks of National Semiconductor Corporation.
© 1999 National Semiconductor Corporation DS010555
www.national.com

1 Page





ADC08031 pdf, ピン配列
Absolute Maximum Ratings (Notes 1, 3)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (VCC)
Voltage at Inputs and Outputs
Input Current at Any Pin (Note 4)
Package Input Current (Note 4)
Power Dissipation at TA = 25˚C
(Note 5)
ESD Susceptibility (Note 6)
Soldering Information
N Package (10 sec.)
SO Package:
Vapor Phase (60 sec.)
Infrared (15 sec.) (Note 7)
6.5V
−0.3V to VCC + 0.3V
±5 mA
±20 mA
800 mW
1500V
260˚C
215˚C
220˚C
Storage Temperature
−65˚C to +150˚C
Operating Ratings (Notes 2, 3)
Temperature Range
ADC08031CIN,
ADC08031CIWM,
ADC08034CIWM, ADC08038CIWM
Supply Voltage (VCC)
TMIN TA TMAX
−40˚C TA +85˚C
4.5 VDC to 6.3 VDC
Electrical Characteristics
The following
apply for TA
=spTeJci=ficTaMtioINnstoapTpMlAyXf;oralVl CoCthe=r
VREF
limits
= +5
TA =
VTDJC=,
and fCLK
25˚C.
=
1
MHz
unless
otherwise
specified.
Boldface
limits
Symbol
Parameter
Conditions
ADC08031, ADC08034 and
ADC08038
Typical (Note
8)
Limits (Note 9)
Units (Limits)
CONVERTER AND MULTIPLEXER CHARACTERISTICS
Total Unadjusted Error
(Note 10)
BIN, BIWM
CIN, CIWM
±12 LSB (max)
±1 LSB (max)
Differential
8 Bits (min)
Linearity
RREF
Reference Input Resistance
3.5 k
1.3 k(min)
6.0 k(max)
VIN Analog Input Voltage
(Note 11)
(VCC + 0.05)
(GND − 0.05)
V (max)
V (min)
DC Common-Mode Error
±14 LSB (max)
Power Supply Sensitivity
On Channel Leakage
VCC = 5V ±5%,
VREF = 4.75V
On Channel = 5V,
±14 LSB (max)
0.2 µA (max)
Current (Note 12)
Off Channel = 0V
1
On Channel = 0V,
−0.2
µA (max)
Off Channel = 5V
−1
Off Channel Leakage
On Channel = 5V,
−0.2
µA (max)
Current (Note 12)
Off Channel = 0V
−1
On Channel = 0V,
0.2 µA (max)
Off Channel = 5V
1
DIGITAL AND DC CHARACTERISTICS
VIN(1)
VIN(0)
IIN(1)
IIN(0)
VOUT(1)
Logical “1” Input Voltage
Logical “0” Input Voltage
Logical “1” Input Current
Logical “0” Input Current
Logical “1” Output Voltage
VCC = 5.25V
VCC = 4.75V
VIN = 5.0V
VIN = 0V
VCC = 4.75V:
IOUT = −360 µA
IOUT = −10 µA
2.0 V (min)
0.8 V (max)
1 µA (max)
−1 µA (max)
2.4 V (min)
4.5 V (min)
3 www.national.com


3Pages


ADC08031 電子部品, 半導体
Leakage Current Test Circuit
TRI-STATE Test Circuits and Waveforms
t1H
DS010555-7
t0H
DS010555-38
DS010555-39
Timing Diagrams
DS010555-40
Data Input Timing
DS010555-41
DS010555-10
*To reset these devices, CLK and CS must be simultaneously high for a period of tSELECT or greater. Otherwise these devices are compatible with industry
standards ADC0831/2/4/8.
www.national.com
6

6 Page



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