Using a patented multi-step A/D conversion technique, the 8-bit ADC08161 CMOS A/D converter offers 500 ns conversion time, internal sample-and-hold (S/H), a 2.5V bandgap reference, and dissipates only 100 mW of power. The ADC08161 performs an 8-bit conversion with a 2-bit voltage estimator that generates the 2 MSBs and two low-resolution (3-bit) flashes that generate the 6 LBSs.
Input signals are tracked and held by the input sampling circuitry, eliminating the need for an external sample-and-hold. The ADC08161 can perform accurate conversions of full-scale input signals at frequencies from DC to typically more than 300 kHz (full power bandwidth) without the need of an external sample-and-hold (S/H). For ease of interface to microprocessors, this part has been designed to appear as a memory location or I/O port without the need for external interfacing logic.
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Mobile telecommunicationsHard-disk drivesInstrumentationHigh-speed data acquisition systems
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No external clock requiredAnalog input voltage range from GND to V+2.5V bandgap reference
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Supply Voltage (V+) 6V
Logic Control Inputs −0.3V to V+ + 0.3V
Voltage at Other Inputs and Outputs −0.3V to V++ 0.3V
Input Current at Any Pin (Note 3) 5 mA
Package Input Current (Note 3) 20 mA
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