| TYPE | DESCRIPTION |
|---|
| Mounting Style | Through Hole |
| Number of Pins | 20 Pin |
| Supply Voltage (DC) | 4.75V (min) |
| Case/Package | DIP-20 |
| Supply Current | 15.0 mA |
| Number of Circuits | 1 Circuit |
| Number of Positions | 20 Position |
| Number of Bits | 8 Bit |
| Power Dissipation | 40 mW |
| Number of ADCs | 1 ADC |
| Number of Inputs | 1 Input |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 450 mW |
| Number of Input Channels | 1 Channel |
| Supply Voltage (Max) | 5.25 V |
| Supply Voltage (Min) | 4.75 V |
| Input Voltage | 5 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Length | 26.16 mm |
| Size-Width | 6.35 mm |
| Size-Height | 3.3 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The AD7820KNZ is a high speed, microprocessor-compatible 8-bit 2µS sampling Analog-to-digital Converter (ADC) which uses a half-flash conversion technique to achieve a conversion time of 1.36µs. 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 converter 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 100mV/µs. The part is designed for ease of microprocessor interface with the converter appearing as a memory location or I/O port without the need for external interfacing logic. All digital outputs use latched, 3-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.
● Built-in track-and-hold function
● No missed codes
● No user trims required
● Ratiometric operation
● No external clock
● Extended temperature range operation
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