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| Part Number | AD7821KR | AD7821KRZ | AD7824KR | AD7820KR | AD7821KN |
|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete |
| Number of Bits | 8 | 8 | 8 | 8 | 8 |
| Sampling Rate (Per Second) | 1M | 1M | 50k | - | 1M |
| Number of Inputs | - | 1 | 4 | 1 | 1 |
| Input Type | - | Single Ended | Single Ended | Single Ended | Single Ended |
| Data Interface | Parallel | Parallel | Parallel | Parallel | Parallel |
| Configuration | - | S/H-ADC | MUX-S/H-ADC | S/H-ADC | S/H-ADC |
| Ratio - S/H:ADC | - | 1:1 | 1:1 | 1:1 | 1:1 |
| Number of A/D Converters | 3 | 1 | 1 | 1 | 1 |
| Architecture | - | Pipelined | Flash | Flash | Pipelined |
| Reference Type | - | External | External | External | External |
| Voltage - Supply, Analog | - | 5V | 5V | 5V | 5V |
| Voltage - Supply, Digital | - | 5V | 5V | 5V | 5V |
| Features | - | - | - | - | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 0°C ~ 70°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | 20-SOIC | 20-SOIC | 24-SOIC | 20-SOIC | 20-PDIP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Through Hole |
