| PartNumber | AD7821KNZ | AD7821BQ | AD7821KN |
| Description | Analog to Digital Converters - ADC Hi Spd uP-Compatible CMOS 8B Sampling | Analog to Digital Converters - ADC Hi Spd uP-Compatible CMOS 8B Sampling | Analog to Digital Converters - ADC Hi Spd uP-Compatible CMOS 8B Sampling |
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Category | Analog to Digital Converters - ADC | Analog to Digital Converters - ADC | Analog to Digital Converters - ADC |
| RoHS | Y | N | N |
| Series | AD7821 | AD7821 | AD7821 |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | PDIP-20 | CDIP-20 | PDIP-20 |
| Resolution | 8 bit | 8 bit | 8 bit |
| Number of Channels | 1 Channel | 1 Channel | 1 Channel |
| Sampling Rate | 1 MS/s | 1 MS/s | 1 MS/s |
| Input Type | Single-Ended | Single-Ended | Single-Ended |
| Interface Type | Parallel | Parallel | Parallel |
| Architecture | Pipeline | Pipeline | Pipeline |
| Reference Type | External | External | External |
| SNR Signal to Noise Ratio | 45 dB | 45 dB | 45 dB |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Packaging | Tube | Tube | Tube |
| Height | 3.3 mm | 3.56 mm | 3.3 mm |
| Input Voltage | 5 V, +/- 2.5 V | 5 V, +/- 2.5 V | 5 V, +/- 2.5 V |
| Length | 26.16 mm | 26.92 mm | 26.16 mm |
| Number of Converters | 1 Converter | 1 Converter | 1 Converter |
| Output Type | CMOS/TTL | CMOS/TTL | CMOS/TTL |
| Power Consumption | 50 mW | 50 mW | 50 mW |
| Type | S/H ADC | S/H ADC | S/H ADC |
| Width | 6.35 mm | 7.87 mm | 6.35 mm |
| Brand | Analog Devices | Analog Devices | Analog Devices |
| Gain Error | +/- 1 LSB | +/- 1 LSB | +/- 1 LSB |
| Number of ADC Inputs | 1 Input | 1 Input | 1 Input |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Pd Power Dissipation | 100.5 mW | 100.5 mW | 100.5 mW |
| Product Type | ADCs - Analog to Digital Converters | ADCs - Analog to Digital Converters | ADCs - Analog to Digital Converters |
| Sample and Hold | Yes | Yes | Yes |
| Factory Pack Quantity | 18 | 18 | 18 |
| Subcategory | Data Converter ICs | Data Converter ICs | Data Converter ICs |
| Unit Weight | 0.079719 oz | 0.007760 oz | 0.079719 oz |