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| The AD7820 is a high speed, microprocessor-compatible 8-bit ADC which uses a half-flash conversion technique to achieve a conversion time of 1.36 µs. The converter has a 0 V to +5 V analog input voltage range with a single +5 V supply.
The half-flash technique consists of 31 comparators, a most significant 4-bit ADC and a least significant 4-bit ADC. The input to the AD7820 is tracked and held by the input sampling circuitry, eliminating the need for an external sample-and-hold for signals with slew rates less than 100 mV/µs.
The part is designed for ease of microprocessor interface with the AD7820 appearing as a memory location or I/O port without the need for external interfacing logic. All digital outputs use latched, three-state output buffer circuitry to allow direct connection to a microprocessor data bus or system input port. A non-three state overflow output is also provided to allow cascading of devices to give higher resolution. |
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| Download Specification Sheet (PDF) | |
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| Key Attributes | Value |
| Resolution | |
| Sample Rate | |
| Sample Rate | |
| Data Bus Interface | |
| Number of Channels | |
| Supply Voltage Range : Minimum Supply Voltage | |
| Supply Voltage Range : Maximum Supply Voltage | |
| Package Type | |
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| Availability |
| Request Quote for Lead Time |
| Quantity | Unit Price |
1 - 24
| $115.76 |
| 25+ | Get Quote |
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This product is available in the following countries:- North America
- South America
- Europe (excluding Israel - Eastern Europe - Russia)
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