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| PartNumber | AD7291BCPZ | AD7291TCPZ-EP | AD7291BCPZ-RL7 |
| Description | Analog to Digital Converters - ADC 8Ch 12 bit SAR w/ internal temp sen IC | Analog to Digital Converters - ADC Ch 12 bit SAR wt intern temp sen I.C | Analog to Digital Converters - ADC 8Ch 12 bit SAR w/ internal temp sen IC |
| Manufacturer | Analog Devices Inc. | Texas Instruments | 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 | AD7291 | ADC12010 | AD7291 |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | LFCSP-20 | LQFP-32 | LFCSP-20 |
| Resolution | 12 bit | 12 bit | 12 bit |
| Number of Channels | 9 Channel | 1 Channel | 9 Channel |
| Sampling Rate | 22.2 kS/s | 10 MS/s | 22.2 kS/s |
| Input Type | Single-Ended | Differential | Single-Ended |
| Interface Type | I2C | Parallel | I2C |
| Architecture | SAR | Pipeline | SAR |
| Reference Type | External, Internal | External | External, Internal |
| Analog Supply Voltage | 2.8 V to 3.6 V | 4.75 V to 5.25 V | 2.8 V to 3.6 V |
| Digital Supply Voltage | 1.65 V to 3.6 V | 4.75 V to 5.25 V | 1.65 V to 3.6 V |
| SNR Signal to Noise Ratio | 71 dB | 70 dB | 71 dB |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 85 C | + 125 C |
| Packaging | Tray | Tray | Reel |
| Height | 0.73 mm | 1.4 mm | 0.73 mm |
| Input Voltage | 2.5 V | 4 V | 2.5 V |
| Length | 4 mm | 7 mm | 4 mm |
| Number of Converters | 1 Converter | 1 Converter | 1 Converter |
| Type | S/H ADC | S/H ADC | S/H ADC |
| Width | 4 mm | 7 mm | 4 mm |
| Brand | Analog Devices | Texas Instruments | Analog Devices |
| Development Kit | EVAL-AD7291SDZ | - | EVAL-AD7291SDZ |
| DNL Differential Nonlinearity | +/- 0.99 LSB | +/- 0.3 LSB | +/- 0.99 LSB |
| Gain Error | +/- 4 LSB | 2.9 % FSR | +/- 4 LSB |
| INL Integral Nonlinearity | +/- 1 LSB | 1.5 LSB | +/- 1 LSB |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Inputs | 8 Input | 1 Input | 8 Input |
| Operating Supply Voltage | 3.3 V | 5 V | 3.3 V |
| Pd Power Dissipation | 12.6 mW | - | 12.6 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 | 490 | 250 | 1500 |
| Subcategory | Data Converter ICs | Data Converter ICs | Data Converter ICs |
| Unit Weight | 1.411699 oz | 0.027302 oz | 2.059999 oz |
| Features | - | Low Power | - |
| Power Consumption | - | 160 mW | - |
| ENOB Effective Number of Bits | - | 11.3 Bit | - |
| SFDR Spurious Free Dynamic Range | - | 83 dB | - |
| SINAD Signal to Noise and Distortion Ratio | - | 69 dB | - |