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| Part Number | AD7701BR | AD7701BRZ | AD7703BR | AD7705BR | AD7706BR | AD7707BR | AD7708BR | AD7701AR | AD7701BN |
|---|---|---|---|---|---|---|---|---|---|
| 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. |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Number of Bits | 16 | 16 | 20 | 16 | 16 | 16 | 16 | 16 | 16 |
| Sampling Rate (Per Second) | 4k | 4k | 4k | 500 | 500 | 500 | 1.37k | 4k | 4k |
| Number of Inputs | 1 | 1 | 1 | 2 | 3 | 1, 2 | 4, 8 | 1 | 1 |
| Input Type | Single Ended | Single Ended | Single Ended | Differential | Pseudo-Differential | Pseudo-Differential, Single Ended | Differential, Pseudo-Differential, Single Ended | Single Ended | Single Ended |
| Data Interface | SPI | SPI | SPI | SPI, DSP | SPI, DSP | SPI, DSP | SPI, DSP | SPI | SPI |
| Configuration | S/H-ADC | S/H-ADC | S/H-ADC | MUX-PGA-ADC | MUX-PGA-ADC | MUX-PGA-ADC | MUX-PGA-ADC | S/H-ADC | S/H-ADC |
| Ratio - S/H:ADC | 1:1 | 1:1 | 1:1 | - | - | - | - | 1:1 | 1:1 |
| Number of A/D Converters | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Architecture | Sigma-Delta | Sigma-Delta | Sigma-Delta | Sigma-Delta | Sigma-Delta | Sigma-Delta | Sigma-Delta | Sigma-Delta | Sigma-Delta |
| Reference Type | External | External | External | External | External | External | External | External | External |
| Voltage - Supply, Analog | 5V | 5V | 5V | 2.7V ~ 3.3V, 5V | 2.7V ~ 3.3V, 5V | 2.7V ~ 3.3V, 5V | 2.7V ~ 3.3V, 5V | 5V | 5V |
| Voltage - Supply, Digital | 5V | 5V | 5V | 2.7V ~ 3.3V, 5V | 2.7V ~ 3.3V, 5V | 2.7V ~ 3.3V, 5V | 2.7V ~ 3.3V, 5V | 5V | 5V |
| Features | - | - | - | PGA | PGA | PGA | PGA | - | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°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) | 20-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 28-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 | 20-SOIC | 16-SOIC | 16-SOIC | 20-SOIC | 28-SOIC | 20-SOIC | 20-PDIP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Through Hole |
