Features: Built-in track-and-hold functionNo missing codesNo external clockingSingle supply-5 VDCEasy interface to all microprocessors, or operates stand-aloneLatched TRI-STATE® outputLogic inputs and outputs meet both MOS and T2L voltage level specificationsOperates ratiometrically or with an...
ADC0820: Features: Built-in track-and-hold functionNo missing codesNo external clockingSingle supply-5 VDCEasy interface to all microprocessors, or operates stand-aloneLatched TRI-STATE® outputLogic inpu...
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Upload time: 2015-5-21
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Features: Built-in track-and-hold function
No missing codes
No external clocking
Single supply-5 VDC
Easy interface to all microprocessors, or operates stand-alone
Latched TRI-STATE® output
Logic inputs and outputs meet both MOS and T2L voltage level specifications
Operates ratiometrically or with any reference value
equal to or less than VCC
0V to 5V analog input voltage range with single 5V supply
No zero or full-scale adjust required
Overflow output available for cascading
0.3" standard width 20-pin DIP
20-pin molded chip carrier package
20-pin small outline package
20-pin shrink small outline package (SSOP)PinoutSpecifications
Supply Voltage (VCC) 10V
|Max KSample Rate
|Min Supply Voltage
|Max Supply Voltage
||-40 deg C|
||85 deg C|
||Total unadjusted error is +/-0.5 LSB|
|Data Converter Type
|Max Sample Rate
|View Using Catalog|
Logic Control Inputs −0.2V to VCC +0.2V
Voltage at Other Inputs and Output −0.2V to VCC +0.2V
Storage Temperature Range −65˚C to +150˚C
Package Dissipation at TA = 25˚C875 mW
Input Current at Any Pin (Note 5) 1 mA
Package Input Current (Note 5) 4 mA
ESD Susceptability (Note 9) 1200V
Lead Temp. (Soldering, 10 sec.)
Dual-In-Line Package (plastic)260˚CDescription
By using a half-flash conversion technique, the 8-bit ADC0820 CMOS A/D offers a 1.5 µs conversion time and dissipates only 75 mW of power. The half-flash technique consists of 32 comparators, a most significant 4-bit ADC and a least significant 4-bit ADC. The input to the ADC0820 is tracked and held by the input sampling circuitry eliminating the need for an external sample-and-hold for signals moving at less than 100 mV/µs. For ease of interface to microprocessors, the ADC0820 has been designed to appear as a memory location or I/O port without the need for external interfacing logic.
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