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| Part Number | AD7854AR | AD7854ARZ | AD7854ARS | AD7854BR | AD7854LAR | AD7856AR | AD7858AR | AD7851AR | AD7853AR | AD7854AQ |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | 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 | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Number of Bits | 12 | 12 | 12 | 12 | 12 | 14 | 12 | 14 | 12 | 12 |
| Sampling Rate (Per Second) | 200k | 200k | 200k | 200k | 100k | 285k | 200k | 333k | 200k | 200k |
| Number of Inputs | 1 | 1 | 1 | - | - | 4, 8 | 4, 8 | - | - | 1 |
| Input Type | Pseudo-Differential | Pseudo-Differential | Pseudo-Differential | - | - | Pseudo-Differential, Single Ended | Pseudo-Differential, Single Ended | - | - | Pseudo-Differential |
| Data Interface | SPI | SPI | SPI | Parallel | Parallel | SPI | SPI | - | - | SPI |
| Configuration | S/H-ADC | S/H-ADC | S/H-ADC | - | - | MUX-S/H-ADC | MUX-S/H-ADC | - | - | S/H-ADC |
| Ratio - S/H:ADC | 1:1 | 1:1 | 1:1 | - | - | 1:1 | 1:1 | - | - | 1:1 |
| Number of A/D Converters | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 2 | 2 | 1 |
| Architecture | SAR | SAR | SAR | - | - | SAR | SAR | - | - | SAR |
| Reference Type | External, Internal | External, Internal | External, Internal | - | - | External, Internal | External, Internal | - | - | External, Internal |
| Voltage - Supply, Analog | 3V ~ 5.5V | 3V ~ 5.5V | 3V ~ 5.5V | - | - | 5V | 3V ~ 5.5V | - | - | 3V ~ 5.5V |
| Voltage - Supply, Digital | 3V ~ 5.5V | 3V ~ 5.5V | 3V ~ 5.5V | - | - | 5V | 3V ~ 5.5V | - | - | 3V ~ 5.5V |
| Features | - | - | - | - | - | - | - | - | - | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 105°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Package / Case | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC (0.295", 7.50mm Width) | 28-SSOP (0.209", 5.30mm Width) | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | 28-CDIP (0.600", 15.24mm) |
| Supplier Device Package | 28-SOIC | 28-SOIC | 28-SSOP | 28-SOIC | 28-SOIC | 24-SOIC | 24-SOIC | 24-SOIC | 24-SOIC | 28-CDIP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Through Hole |
