ADC0808 - 8-bit Microprocessor Compatible A/D Converters With 8-Channel Multiplexer

Datasheet Packaging Samples & Pricing Reliability Application Notes Knowledge Base

Features
Easy interface to all microprocessors
Operates ratiometrically or with 5 VDC or analog span adjusted voltage reference
No zero or full-scale adjust required
8-channel multiplexer with address logic
0V to VCC input range
Outputs meet TTL voltage level specifications
ADC0808 equivalent to MM74C949
ADC0809 equivalent to MM74C949-1

Key Specification


Resolution

8 Bits

Total Unadjusted Error

±½ LSB and ±1 LSB

Single Supply

5 VDC

Low Power

15 mW

Conversion Time

100 μs

General Description


The ADC0808, ADC0809 data acquisition component is a monolithic CMOS device with an 8-bit analog-to-digital converter, 8-channel multiplexer and microprocessor compatible control logic. More...


  Typical Application
click for larger image


Parametric Table     expand
Parametric Table    collapse
Resolution 8 bit
Input Channels 8
Interface Type Parallel
Differential Input No
Resolution 8 bit
Input Channels 8
Interface Type Parallel
Differential Input No
Max KSample Rate 10 ksps
Min Supply Voltage 4.5 Volt
Max Supply Voltage 6 Volt
Reference Source External
Temperature Min -40 deg C
Temperature Max 85 deg C
Power Down No
Input Sample/Hold No
Special Features Total unadjusted error is +/-0.75 LSB
Data Converter Type ADC
Max Sample Rate 0.01 MSPS
View Using Catalog


Typical Performance


click for larger image


  WEBENCH Live Simulation!
ADC0808 Webench® Custom
Design/Analyze/Build It
ADC Parameters
ADC and Op Amp Supply voltage:
5 V
help
Sample Rate
Sample Rate per channel ksps help
Operating Conditions
Min. Ambient Temperature degC help
Nominal Ambient Temperature degC help
Max. Ambient Temperature degC help


Also Recommended
ADC088S102Sample Rate Up To 1 MSPS

Additional Resources


Application Notes (see below)


Block Diagram


click for larger image



Datasheet
RoHS Compliance Information Size in KbytesDate Click link below to Download
ADC0808/ADC0809 8-Bit μP Compatible A/D Converters with 8-Channel Multiplexer 396 Kbytes 28-Mar-07 View Online
Download

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Package Availability, Models, Samples & Pricing
Part NumberPackageFactory Lead TimeModelsSamples &
Electronic
Orders
Budgetary PricingStd
Pack
Size
Package
Marking
Format
TypePinsSpec.MSL
Rating
Peak
Reflow
RoHS
Report
CAD
Symbols
WeeksQtyQty$US each
ADC0808CCNMDIP28STD
NOPB
1
1
NA
NA
RoHS Download Full productionN/A
Samples
Buy Now
1K+$2.92rail
of
13
NSUZXYYTTE#
ADC0808CCN
16 weeks500
ADC0808CCVPLCC28STD
NOPB
1
2A
220
245
RoHS Download Full productionN/A
 
Buy Now
1K+$3.00rail
of
35
NSUZXYYTT
ADC0808
CCV
16 weeks1000
ADC0808CCVXPLCC28STD
NOPB
2A
2A
245
245
RoHS Download Full productionN/A
 
Buy Now
1K+$3.00reel
of
750
NSUZXYYTT
ADC0808
CCV
8 weeks5000

Obsolete Parts

Obsolete PartAlternate Part or SupplierSourceLast Time Buy Date
ADC0808CCJ
NONE
TI
12/09/97

General Description


The ADC0808, ADC0809 data acquisition component is a monolithic CMOS device with an 8-bit analog-to-digital converter, 8-channel multiplexer and microprocessor compatible control logic. The 8-bit A/D converter uses successive approximation as the conversion technique. The converter features a high impedance chopper stabilized comparator, a 256R voltage divider with analog switch tree and a successive 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, excellent 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 multiplexer with common output (sample/hold port) see ADC0816 data sheet. (See AN-247 for more information.)

Reliability Metrics


Part Number Process EFR Reject EFR Sample Size PPM * LTA Rejects LTA Device Hours FITS MTTF (Hours)
ADC0808CCNCMOS0169250020650002585949388
ADC0808CCVCMOS0169250020650002585949388
ADC0808CCVXCMOS0169250020650002585949388

Note: The Early Failure Rates were calculated as point estimates. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.


Application Notes


TitleSize in Kbytes Date Click link below to Download
AN-247: Application Note 247 Using the ADC0808/ADC0809 8-Bit µP Compatible A/D Converters with 8-Channel Analog Multiplexer 591 Kbytes 3-Oct-02 Download
AN-258: Data Acquisition Using the ADC0816 and ADC0817 8-Bit A/D Converter with On-Chip 16 Channel Multiplexer 388 Kbytes 4-Nov-95 Download
AN-280: A/D Converters Easily Interface with 70 Series Microprocessors 134 Kbytes 9-Apr-96 Download

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More Application Notes


TitleSize in Kbytes Date Click link below to Download
AN-276: A New, Low-Cost, Sampled-Data, 10-Bit CMOS A/D Converter 123 Kbytes 4-Nov-95 Download
AN-1525: Application Note 1525 Single Supply Operation of the DAC0800 and DAC0802 465 Kbytes 15-Sep-06 Download
AN-1525 (Chinese): Application Note 1525 Single Supply Operation of the DAC0800 and DAC0802
257 Kbytes  
AN-281: Data Acquisition Using INS8048 129 Kbytes 9-Apr-96 Download
AN-233: Application Note 233 The A/D Easily Allows Many Unusual Applications 90 Kbytes 3-Oct-02 Download
AN-233 (Japanese): Application Note 233 The A/D Easily Allows Many Unusual Applications
97 Kbytes   Download
AN-294: Special Sample and Hold Techniques 133 Kbytes 4-Nov-95 Download
AN-271: Applying the New CMOS MICRO-DACs 193 Kbytes 9-Apr-96 Download
AN-271 (Japanese): Applying the New CMOS MICRO-DACs
342 Kbytes   Download
AN-301: Application Note 301 Signal Conditioning for Sophisticated Transducers 579 Kbytes 2-Oct-02 Download

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[Information as of 10-Oct-2008]