| PartNumber | AD7631BSTZ | AD7631BCPZRL | AD7631BCPZ |
| Description | Analog to Digital Converters - ADC 18-Bit 250kSPS Diff Prog Input | Analog to Digital Converters - ADC 18-Bit 250kSPS Diff Prog Input | Analog to Digital Converters - ADC 18-Bit 250kSPS Diff Prog Input |
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Category | Analog to Digital Converters - ADC | Data Acquisition - Analog to Digital Converters (ADC) | Data Acquisition - Analog to Digital Converters (ADC) |
| RoHS | Y | - | - |
| Series | AD7631 | PulSARR | PulSARR |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | LQFP-48 | - | - |
| Resolution | 18 bit | 18 bit | 18 bit |
| Number of Channels | 1 Channel | 1 Channel | 1 Channel |
| Sampling Rate | 250 kS/s | 250 kS/s | 250 kS/s |
| Input Type | Differential | Differential | Differential |
| Interface Type | Parallel, SPI | Parallel Serial SPI | Parallel Serial SPI |
| Architecture | SAR | SAR | SAR |
| Reference Type | External, Internal | External, Internal | External, Internal |
| SNR Signal to Noise Ratio | 100 dB | - | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Digi-ReelR Alternate Packaging | Tray Alternate Packaging |
| Height | 1.4 mm | - | - |
| Input Voltage | 5 V/10 V, +/- 5 V/+/- 10 V | - | - |
| Length | 7 mm | - | - |
| Number of Converters | 1 Converter | 1 Converter | 1 Converter |
| Power Consumption | 94 mW | 94 mW | 94 mW |
| Type | S/H ADC | S/H ADC | S/H ADC |
| Width | 7 mm | - | - |
| Brand | Analog Devices | - | - |
| Development Kit | EVAL-AD7631EDZ | EVAL-AD7631EDZ | EVAL-AD7631EDZ |
| DNL Differential Nonlinearity | - 1 LSB/2.5 LSB | - | - |
| Gain Error | +/- 0.09 %FSR | +/- 0.09 %FSR | +/- 0.09 %FSR |
| INL Integral Nonlinearity | +/- 2.5 LSB | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Inputs | 1 Input | - | - |
| Operating Supply Voltage | 5 V, 15 V | - | - |
| Pd Power Dissipation | 120 mW | - | - |
| Product Type | ADCs - Analog to Digital Converters | - | - |
| Sample and Hold | Yes | - | - |
| Factory Pack Quantity | 250 | - | - |
| Subcategory | Data Converter ICs | - | - |
| Unit Weight | 0.006409 oz | - | - |
| Product | - | Analog to Digital Converters | Analog to Digital Converters |
| Package Case | - | LFCSP-48 | LFCSP-48 |
| Operating Temperature | - | -40°C ~ 85°C | -40°C ~ 85°C |
| Features | - | - | - |
| Supplier Device Package | - | 48-LFCSP-VQ (7x7) | 48-LFCSP-VQ (7x7) |
| Sampling Rate Per Second | - | 250k | 250k |
| Data Interface | - | SPI, Parallel, DSP | SPI, Parallel, DSP |
| Number of Bits | - | 18 | 18 |
| Voltage Supply Analog | - | 5V | 5V |
| Voltage Supply Digital | - | 5V | 5V |
| Configuration | - | S/H-ADC | S/H-ADC |
| Number of Inputs | - | 1 | 1 |
| Ratio S HADC | - | 1:01 | 1:01 |
| Number of A D Converters | - | 1 | 1 |
| Pd Power Dissipation | - | 120 mW | 120 mW |
| SNR Signal to Noise Ratio | - | 100 dB | 100 dB |
| INL Integral Nonlinearity | - | +/- 2.5 LSB | +/- 2.5 LSB |
| DNL Differential Nonlinearity | - | - 1 LSB/2.5 LSB | - 1 LSB/2.5 LSB |