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| Part Number | AD7731BRZ | AD7781BRZ | AD7731BNZ | AD7731BR | AD7731BRU | AD7731BRUZ |
|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active | Obsolete | Obsolete | Active |
| Number of Bits | 24 | 20 | 24 | 24 | 24 | 24 |
| Sampling Rate (Per Second) | 6.4k | 16.7 | 6.4k | 6.4k | 6.4k | 6.4k |
| Number of Inputs | 3, 5 | 1 | 3, 5 | 3, 5 | 3, 5 | 3, 5 |
| Input Type | Differential | Differential | Differential | Differential | Differential | Differential |
| Data Interface | SPI, DSP | SPI | SPI, DSP | SPI, DSP | SPI, DSP | SPI, DSP |
| Configuration | MUX-PGA-ADC | PGA-ADC | MUX-PGA-ADC | MUX-PGA-ADC | MUX-PGA-ADC | MUX-PGA-ADC |
| Ratio - S/H:ADC | - | - | - | - | - | - |
| Number of A/D Converters | 1 | 1 | 1 | 1 | 1 | 1 |
| Architecture | Sigma-Delta | Sigma-Delta | Sigma-Delta | Sigma-Delta | Sigma-Delta | Sigma-Delta |
| Reference Type | External | External | External | External | External | External |
| Voltage - Supply, Analog | 5V | 2.7V ~ 5.25V | 5V | 5V | 5V | 5V |
| Voltage - Supply, Digital | 5V | 2.7V ~ 5.25V | 5V | 5V | 5V | 5V |
| Features | PGA | PGA | PGA | PGA | PGA | PGA |
| Operating Temperature | -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 | 24-SOIC (0.295", 7.50mm Width) | 14-SOIC (0.154", 3.90mm Width) | 24-DIP (0.300", 7.62mm) | 24-SOIC (0.295", 7.50mm Width) | 24-TSSOP (0.173", 4.40mm Width) | 24-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 24-SOIC | 14-SOIC | 24-PDIP | 24-SOIC | 24-TSSOP | 24-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Through Hole | Surface Mount | Surface Mount | Surface Mount |
