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| Part Number | AD7820BQ | AD7820UQ | AD7821BQ | AD7820TQ | AD7824BQ | AD7820CQ | AD7828BQ |
|---|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active |
| Number of Bits | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Sampling Rate (Per Second) | - | - | 1M | - | 50k | - | 50k |
| Number of Inputs | 1 | 8 | 1 | 1 | 4 | 1 | 8 |
| Input Type | Single Ended | Single Ended | Single Ended | Single Ended | Single Ended | Single Ended | Single Ended |
| Data Interface | Parallel | Parallel | Parallel | Parallel | Parallel | Parallel | Parallel |
| Configuration | S/H-ADC | S/H-ADC | S/H-ADC | S/H-ADC | MUX-S/H-ADC | S/H-ADC | MUX-S/H-ADC |
| Ratio - S/H:ADC | 1:1 | 1:1 | 1:1 | 1:1 | 1:1 | 1:1 | 1:1 |
| Number of A/D Converters | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Architecture | Flash | Flash | Pipelined | Flash | Flash | Flash | Flash |
| Reference Type | External | External | External | External | External | External | External |
| Voltage - Supply, Analog | 5V | 4.75V ~ 5.25V | 5V | 5V | 5V | 5V | 5V |
| Voltage - Supply, Digital | 5V | 4.75V ~ 5.25V | 5V | 5V | 5V | 5V | 5V |
| Features | - | - | - | - | - | - | - |
| Operating Temperature | -40°C ~ 85°C | -55°C ~ 125°C | -40°C ~ 85°C | -55°C ~ 125°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Package / Case | 20-CDIP (0.300", 7.62mm) | 20-CDIP (0.300", 7.62mm) | 20-CDIP (0.300", 7.62mm) | 20-CDIP (0.300", 7.62mm) | 24-CDIP (0.300", 7.62mm) | 20-CDIP (0.300", 7.62mm) | 28-CDIP (0.600", 15.24mm) |
| Supplier Device Package | 20-CERDIP | 20-CERDIP | 20-CERDIP | 20-CERDIP | 24-CDIP | 20-CERDIP | 28-CDIP |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
