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| Part Number | ADS8661IPW | ADS8661IPWR | ADS8691IPW | ADS8681IPW | ADS8671IPW |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active | Active |
| Number of Bits | 12 | 12 | 18 | 16 | 14 |
| Sampling Rate (Per Second) | 1.25M | 1.25M | 1M | 1M | 1M |
| Number of Inputs | 1 | 1 | 1 | 1 | 1 |
| Input Type | Differential, Pseudo-Differential, Single Ended | Differential, Pseudo-Differential, Single Ended | Differential, Pseudo-Differential, Single Ended | Pseudo-Differential, Single Ended | Differential, Pseudo-Differential, Single Ended |
| Data Interface | SPI | SPI | SPI | SPI | SPI |
| Configuration | PGA-ADC | PGA-ADC | PGA-ADC | PGA-S/H-ADC | PGA-ADC |
| Ratio - S/H:ADC | 0:1 | 0:1 | 0:1 | 1:1 | 0:1 |
| Number of A/D Converters | 1 | 1 | 1 | 1 | 1 |
| Architecture | SAR | SAR | SAR | SAR | SAR |
| Reference Type | Internal | Internal | Internal | External, Internal | Internal |
| Voltage - Supply, Analog | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 5V | 4.75V ~ 5.25V |
| Voltage - Supply, Digital | 1.7V ~ 3.3V | 1.65V ~ 3.3V | 1.65V ~ 3.3V | 1.65V ~ 5.25V | 1.7V ~ 3.3V |
| Features | - | Internal Oscillator | Internal Oscillator | PGA | Internal Oscillator |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C (TA) | -40°C ~ 125°C |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) | 16-TSSOP (0.173", 4.40mm Width) | 16-TSSOP (0.173", 4.40mm Width) | 16-TSSOP (0.173", 4.40mm Width) | 16-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 16-TSSOP | 16-TSSOP | 16-TSSOP | 16-TSSOP | 16-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
