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ADC0808CCJ の電気的特性と機能

ADC0808CCJのメーカーはNational Semiconductorです、この部品の機能は「8-Bit uP Compatible A/D Converters with 8-Channel Multiplexer」です。


製品の詳細 ( Datasheet PDF )

部品番号 ADC0808CCJ
部品説明 8-Bit uP Compatible A/D Converters with 8-Channel Multiplexer
メーカ National Semiconductor
ロゴ National Semiconductor ロゴ 




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ADC0808CCJ Datasheet, ADC0808CCJ PDF,ピン配置, 機能
October 1999
ADC0808/ADC0809
8-Bit µP Compatible A/D Converters with 8-Channel
Multiplexer
General Description
The ADC0808, ADC0809 data acquisition component is a
monolithic CMOS device with an 8-bit analog-to-digital con-
verter, 8-channel multiplexer and microprocessor compatible
control logic. The 8-bit A/D converter uses successive ap-
proximation as the conversion technique. The converter fea-
tures a high impedance chopper stabilized comparator, a
256R voltage divider with analog switch tree and a succes-
sive approximation register. The 8-channel multiplexer can
directly access any of 8-single-ended analog signals.
The device eliminates the need for external zero and
full-scale adjustments. Easy interfacing to microprocessors
is provided by the latched and decoded multiplexer address
inputs and latched TTL TRI-STATE® outputs.
The design of the ADC0808, ADC0809 has been optimized
by incorporating the most desirable aspects of several A/D
conversion techniques. The ADC0808, ADC0809 offers high
speed, high accuracy, minimal temperature dependence, ex-
cellent long-term accuracy and repeatability, and consumes
minimal power. These features make this device ideally
suited to applications from process and machine control to
consumer and automotive applications. For 16-channel mul-
tiplexer with common output (sample/hold port) see
ADC0816 data sheet. (See AN-247 for more information.)
Features
n Easy interface to all microprocessors
n Operates ratiometrically or with 5 VDC or analog span
adjusted voltage reference
n No zero or full-scale adjust required
n 8-channel multiplexer with address logic
n 0V to 5V input range with single 5V power supply
n Outputs meet TTL voltage level specifications
n Standard hermetic or molded 28-pin DIP package
n 28-pin molded chip carrier package
n ADC0808 equivalent to MM74C949
n ADC0809 equivalent to MM74C949-1
Key Specifications
n Resolution
n Total Unadjusted Error
n Single Supply
n Low Power
n Conversion Time
8 Bits
±12 LSB and ±1 LSB
5 VDC
15 mW
100 µs
Block Diagram
See Ordering
Information
TRI-STATE® is a registered trademark of National Semiconductor Corp.
© 1999 National Semiconductor Corporation DS005672
DS005672-1
www.national.com

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ADC0808CCJ pdf, ピン配列
Absolute Maximum Ratings (Notes 2, 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (VCC) (Note 3)
Voltage at Any Pin
Except Control Inputs
6.5V
−0.3V to (VCC+0.3V)
Voltage at Control Inputs
−0.3V to +15V
(START, OE, CLOCK, ALE, ADD A, ADD B, ADD C)
Storage Temperature Range
−65˚C to +150˚C
Package Dissipation at TA=25˚C
Lead Temp. (Soldering, 10 seconds)
875 mW
Dual-In-Line Package (plastic)
260˚C
Dual-In-Line Package (ceramic)
Molded Chip Carrier Package
Vapor Phase (60 seconds)
Infrared (15 seconds)
ESD Susceptibility (Note 8)
300˚C
215˚C
220˚C
400V
Operating Conditions (Notes 1, 2)
Temperature Range (Note 1)
ADC0808CCN,ADC0809CCN
ADC0808CCV, ADC0809CCV
Range of VCC (Note 1)
TMINTATMAX
−40˚CTA+85˚C
−40˚C TA +85˚C
4.5 VDC to 6.0 VDC
Electrical Characteristics
Converter Specifications: VCC=5 VDC=VREF+, VREF(−)=GND, TMINTATMAX and fCLK=640 kHz unless otherwise stated.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
ADC0808
Total Unadjusted Error
(Note 5)
ADC0809
25˚C
TMIN to TMAX
±12 LSB
±34 LSB
Total Unadjusted Error
0˚C to 70˚C
±1 LSB
(Note 5)
Input Resistance
TMIN to TMAX
From Ref(+) to Ref(−)
±114
LSB
1.0 2.5
k
VREF(+)
Analog Input Voltage Range
Voltage, Top of Ladder
Voltage, Center of Ladder
(Note 4) V(+) or V(−)
Measured at Ref(+)
GND−0.10
VCC/2-0.1
VCC
VCC/2
VCC+0.10
VCC+0.1
VCC/2+0.1
VDC
V
V
VREF(−)
IIN
Voltage, Bottom of Ladder
Comparator Input Current
Measured at Ref(−)
fc=640 kHz, (Note 6)
−0.1 0
−2 ±0.5
2
V
µA
Electrical Characteristics
Digital Levels and DC Specifications: ADC0808CCN, ADC0808CCV, ADC0809CCN and ADC0809CCV, 4.75VCC5.25V,
−40˚CTA+85˚C unless otherwise noted
Symbol
Parameter
Conditions
Min Typ Max Units
ANALOG MULTIPLEXER
IOFF(+)
OFF Channel Leakage Current
IOFF(−)
OFF Channel Leakage Current
CONTROL INPUTS
VCC=5V, VIN=5V,
TA=25˚C
TMIN to TMAX
VCC=5V, VIN=0,
TA=25˚C
TMIN to TMAX
10 200
1.0
−200
−1.0
−10
nA
µA
nA
µA
VIN(1)
VIN(0)
IIN(1)
Logical “1” Input Voltage
Logical “0” Input Voltage
Logical “1” Input Current
(The Control Inputs)
VIN=15V
VCC−1.5
V
1.5 V
1.0 µA
IIN(0)
Logical “0” Input Current
(The Control Inputs)
VIN=0
−1.0
µA
ICC Supply Current
fCLK=640 kHz
0.3 3.0
mA
3 www.national.com


3Pages


ADC0808CCJ 電子部品, 半導体
Functional Description (Continued)
FIGURE 1. Resistor Ladder and Switch Tree
DS005672-2
DS005672-13
FIGURE 2. 3-Bit A/D Transfer Curve
DS005672-14
FIGURE 3. 3-Bit A/D Absolute Accuracy Curve
FIGURE 4. Typical Error Curve
DS005672-15
www.national.com
6

6 Page



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共有リンク

Link :


部品番号部品説明メーカ
ADC0808CCJ

8-Bit uP Compatible A/D Converters with 8-Channel Multiplexer

National Semiconductor
National Semiconductor
ADC0808CCN

8-Bit uP Compatible A/D Converters with 8-Channel Multiplexer

National Semiconductor
National Semiconductor
ADC0808CCN

P Compatible 8-Bit A/D Converter with 8-Channel Multiplexer

Micro Linear Corporation
Micro Linear Corporation
ADC0808CCV

8-Bit uP Compatible A/D Converters with 8-Channel Multiplexer

National Semiconductor
National Semiconductor


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