| PartNumber | AD5940BCBZ-RL | AD5940BCBZ-RL7 | AD594ADZ |
| Description | Data Acquisition ADCs/DACs - Specialized Bio-Impedance & Electrochemical AFE | Data Acquisition ADCs/DACs - Specialized Bio-Impedance & Electrochemical AFE | Board Mount Temperature Sensors THERMOCOUPLER AMP IC |
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Category | Data Acquisition ADCs/DACs - Specialized | Data Acquisition ADCs/DACs - Specialized | PMIC - Thermal Management |
| RoHS | Y | Y | - |
| Series | AD5940 | AD5940 | AD594 |
| Product | Data Acquisition ADCs/DACs | Data Acquisition ADCs/DACs | Thermocouple Amplifier with Cold Junction Compensation |
| Type | High Precision | High Precision | - |
| Resolution | 12 bit, 16 bit | 12 bit, 16 bit | - |
| Number of Channels | 24 Channel | 24 Channel | - |
| Operating Supply Voltage | 2.8 V to 3.6 V | 2.8 V to 3.6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - 55 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 125 C |
| Mounting Style | SMD/SMT | SMD/SMT | Through Hole |
| Package / Case | WLCSP-56 | WLCSP-56 | - |
| Packaging | Reel | Reel | Tube |
| Number of Converters | 3 Converter | 3 Converter | - |
| Sampling Rate | 400 kS/s | 400 kS/s | - |
| Brand | Analog Devices | Analog Devices | - |
| Interface Type | SPI | SPI | 1-Wire |
| Reference Type | Internal | Internal | - |
| Shutdown | Shutdown | Shutdown | - |
| DNL Differential Nonlinearity | 0.9 LSB | 0.9 LSB | - |
| INL Integral Nonlinearity | 2 LSB | 2 LSB | - |
| Maximum Clock Frequency | 250 kHz | 250 kHz | - |
| Number of ADC Channels | 1 Channel | 1 Channel | - |
| Number of DAC Channels | 2 Channel | 2 Channel | - |
| Product Type | Data Acquisition ADCs/DACs - Specialized | Data Acquisition ADCs/DACs - Specialized | - |
| Reference Voltage | 1.82 V, 2.5 V | 1.82 V, 2.5 V | - |
| SNR Signal to Noise Ratio | 80 dB | 80 dB | - |
| Factory Pack Quantity | 5000 | 1500 | - |
| Subcategory | Data Converter ICs | Data Converter ICs | - |
| Package Case | - | - | CDIP-14 SB |
| Operating Temperature | - | - | -55°C ~ 125°C |
| Mounting Type | - | - | Through Hole |
| Output Type | - | - | Voltage |
| Function | - | - | Thermocouple Amplifier |
| Voltage Supply | - | - | 5 V ~ ±15 V |
| Supplier Device Package | - | - | 14-CDIP |
| Topology | - | - | Ice Point Compensation, Overload Detection |
| Accuracy | - | - | ±3°C(Max) |
| Sensor Type | - | - | External |
| Sensing Temperature | - | - | - |
| Output Alarm | - | - | Yes |
| Output Fan | - | - | No |
| Gain | - | - | + 10 mV / C |
| Operating Supply Current | - | - | 300 uA |
| Supply Voltage Max | - | - | 5.5 VDC |
| Supply Voltage Min | - | - | 4.5 VDC |