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| Part Number | AD7731BRUZ | AD7781BRUZ | AD7739BRUZ | AD7738BRUZ | AD7731BRZ | AD7732BRUZ | AD7734BRUZ | AD7731BRU |
|---|---|---|---|---|---|---|---|---|
| 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. |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Obsolete |
| Number of Bits | 24 | 20 | 24 | 24 | 24 | 24 | 24 | 24 |
| Sampling Rate (Per Second) | 6.4k | 16.7 | 15.1k | 15.4k | 6.4k | 15.4k | 15.4k | 6.4k |
| Number of Inputs | 3, 5 | 1 | 4, 8 | 4, 8 | 3, 5 | 2 | 4 | 3, 5 |
| Input Type | Differential | Differential | Differential, Single Ended | Differential, Single Ended | Differential | Differential | Single Ended | Differential |
| Data Interface | SPI, DSP | SPI | SPI, DSP | SPI, DSP | SPI, DSP | SPI, DSP | SPI, DSP | SPI, DSP |
| Configuration | MUX-PGA-ADC | PGA-ADC | MUX-ADC | MUX-ADC | MUX-PGA-ADC | MUX-ADC | MUX-ADC | MUX-PGA-ADC |
| Ratio - S/H:ADC | - | - | - | - | - | - | - | - |
| Number of A/D Converters | 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 |
| Reference Type | External | External | External | External | External | External | External | External |
| Voltage - Supply, Analog | 5V | 2.7V ~ 5.25V | 5V | 5V | 5V | 5V | 5V | 5V |
| Voltage - Supply, Digital | 5V | 2.7V ~ 5.25V | 2.7V ~ 3.6V, 5V | 2.7V ~ 3.6V, 5V | 5V | 2.7V ~ 3.6V, 5V | 2.7V ~ 3.6V, 5V | 5V |
| Features | PGA | PGA | True Bipolar | True Bipolar | PGA | - | True Bipolar | PGA |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 85°C | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 85°C |
| Package / Case | 24-TSSOP (0.173", 4.40mm Width) | 16-TSSOP (0.173", 4.40mm Width) | 24-TSSOP (0.173", 4.40mm Width) | 28-TSSOP (0.173", 4.40mm Width) | 24-SOIC (0.295", 7.50mm Width) | 28-TSSOP (0.173", 4.40mm Width) | 28-TSSOP (0.173", 4.40mm Width) | 24-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 24-TSSOP | 16-TSSOP | 24-TSSOP | 28-TSSOP | 24-SOIC | 28-TSSOP | 28-TSSOP | 24-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
