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| PartNumber | AD7643BCPZ | AD7643BSTZ | AD7643BCPZRL |
| Description | Analog to Digital Converters - ADC 18B 1.25M DIFF W/ REF IC | Analog to Digital Converters - ADC 18B 1.25M DIFF W/ REF IC | Analog to Digital Converters - ADC 18B 1.25M DIFF W/ REF IC |
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Category | Analog to Digital Converters - ADC | Analog to Digital Converters - ADC | Analog to Digital Converters - ADC |
| RoHS | Y | Y | Y |
| Series | AD7643 | AD7643 | AD7643 |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | LFCSP-48 | LQFP-48 | LFCSP-48 |
| Resolution | 18 bit | 18 bit | 18 bit |
| Number of Channels | 1 Channel | 1 Channel | 1 Channel |
| Sampling Rate | 1.25 MS/s | 1.25 MS/s | 1.25 MS/s |
| Input Type | Differential | Differential | Differential |
| Interface Type | I2C, Parallel, SPI | I2C, Parallel, SPI | I2C, Parallel, SPI |
| Architecture | SAR | SAR | SAR |
| Reference Type | External, Internal | External, Internal | External, Internal |
| SNR Signal to Noise Ratio | 93.5 dB | 93.5 dB | 93.5 dB |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Tray | Reel |
| Height | 0.83 mm | 1.4 mm | 0.83 mm |
| Input Voltage | +/- 2.5 V | +/- 2.5 V | +/- 2.5 V |
| Length | 7 mm | 7 mm | 7 mm |
| Number of Converters | 1 Converter | 1 Converter | 1 Converter |
| Power Consumption | 65 mW | 65 mW | 65 mW |
| Type | S/H ADC | S/H ADC | S/H ADC |
| Width | 7 mm | 7 mm | 7 mm |
| Brand | Analog Devices | Analog Devices | Analog Devices |
| Development Kit | EVAL-AD7643EDZ | EVAL-AD7643EDZ | EVAL-AD7643EDZ |
| DNL Differential Nonlinearity | - 1 LSB/1.25 LSB | - 1 LSB/1.25 LSB | - 1 LSB/1.25 LSB |
| Gain Error | +/- 22 LSB | +/- 22 LSB | +/- 22 LSB |
| INL Integral Nonlinearity | +/- 3 LSB | +/- 3 LSB | +/- 3 LSB |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Inputs | 1 Input | 1 Input | 1 Input |
| Operating Supply Voltage | 2.5 V | 2.5 V | 2.5 V |
| Pd Power Dissipation | 80 mW | 80 mW | 80 mW |
| Product Type | ADCs - Analog to Digital Converters | ADCs - Analog to Digital Converters | ADCs - Analog to Digital Converters |
| Sample and Hold | Yes | Yes | Yes |
| Factory Pack Quantity | 260 | 250 | 2500 |
| Subcategory | Data Converter ICs | Data Converter ICs | Data Converter ICs |
| Unit Weight | - | 0.006409 oz | - |