| PartNumber | ADS8661IPWR | ADS8664IDBT | ADS8661IPW |
| Description | Analog to Digital Converters - ADC 12 BIT 1.25MSPS 1 CH SAR ADC | Analog to Digital Converters - ADC 12-Bit, 400-kSPS, 4Ch, SAR ADC | Analog to Digital Converters - ADC 12 BIT 1.25MSPS 1 CH SAR ADC |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Analog to Digital Converters - ADC | Analog to Digital Converters - ADC | Analog to Digital Converters - ADC |
| RoHS | Y | Y | Y |
| Series | ADS8661 | ADS8664 | ADS8661 |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TSSOP-16 | TSSOP-38 | TSSOP-16 |
| Resolution | 12 bit | 12 bit | 12 bit |
| Number of Channels | 1 Channel | 4 Channel | 1 Channel |
| Sampling Rate | 1.25 MS/s | 500 kS/s | 1.25 MS/s |
| Input Type | Single-Ended | Single-Ended | Single-Ended |
| Interface Type | SPI | SPI | SPI |
| Architecture | SAR | SAR | SAR |
| Reference Type | External, Internal | Internal | External, Internal |
| Analog Supply Voltage | 5 V | 4.75 V to 5.25 V | 5 V |
| Digital Supply Voltage | 1.65 V to 5.25 V | 1.65 V to 5.25 V | 1.65 V to 5.25 V |
| SNR Signal to Noise Ratio | 73.5 dB | 73.85 dB | 73.5 dB |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Packaging | Reel | Tube | Tube |
| Features | Oscillator, Over-Voltage Protection, PGA | Daisy-Chainable, Oscillator, Over-Voltage Protection, PGA | Oscillator, Over-Voltage Protection, PGA |
| Number of Converters | 1 Converter | 4 Converter | 1 Converter |
| Power Consumption | 36 mW | 65 mW | 36 mW |
| Type | High Speed ADC | Precision ADC | Precision ADC |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Shutdown | No Shutdown | Shutdown | No Shutdown |
| DNL Differential Nonlinearity | 0.1 LSB | 0.5 LSB | 0.1 LSB |
| Gain Error | 0.01 % FSR | - | 0.01 % FSR |
| INL Integral Nonlinearity | 0.15 LSB | 0.5 LSB | 0.15 LSB |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | ADCs - Analog to Digital Converters | ADCs - Analog to Digital Converters | ADCs - Analog to Digital Converters |
| Reference Voltage | 4.096 V | 4.096 V | 4.096 V |
| SFDR Spurious Free Dynamic Range | 103 dB | 97 dB | 103 dB |
| SINAD Signal to Noise and Distortion Ratio | 73.4 dB | 73 dB | 73.4 dB |
| Factory Pack Quantity | 2000 | 50 | 90 |
| Subcategory | Data Converter ICs | Data Converter ICs | Data Converter ICs |
| THD Total Harmonic Distortion | - 102 dB | - 95 dB | - 102 dB |
| Unit Weight | 0.006102 oz | 0.007189 oz | 0.006102 oz |
| Output Type | - | CMOS | - |
| Development Kit | - | - | ADS8681EVM-PDK |