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| Part Number | ADS8688AIDBT | ADS8688ATDBT | ADS8688IDBT | ADS8688AIDBTR | ADS8684AIDBT |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active | Active |
| Number of Bits | 16 | 16 | 16 | 16 | 16 |
| Sampling Rate (Per Second) | 500k | 500k | 500k | 500k | 500k |
| Number of Inputs | 8 | 8 | 8 | 8 | 4 |
| Input Type | Differential, Single Ended | Differential, Single Ended | Differential, Single Ended | Differential, Single Ended | Differential, Single Ended |
| Data Interface | SPI | SPI | SPI | SPI | SPI |
| Configuration | PGA-MUX-S/H-ADC | PGA-MUX-S/H-ADC | PGA-MUX-S/H-ADC | PGA-MUX-S/H-ADC | PGA-MUX-S/H-ADC |
| Ratio - S/H:ADC | 1:1 | 1:1 | 1:1 | 1:1 | 1:1 |
| Number of A/D Converters | 1 | 1 | 1 | 1 | 1 |
| Architecture | SAR | SAR | SAR | SAR | SAR |
| Reference Type | External, Internal | External, Internal | External, Internal | External, Internal | External, Internal |
| Voltage - Supply, Analog | 5V | 4.75V ~ 5.25V | 5V | 5V | 5V |
| Voltage - Supply, Digital | 1.65V ~ 5.25V | 1.65V ~ 5.25V | 1.65V ~ 5.25V | 1.65V ~ 5.25V | 1.65V ~ 5.25V |
| Features | PGA | PGA | PGA | PGA | PGA |
| Operating Temperature | -40°C ~ 125°C | -55°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Package / Case | 38-TFSOP (0.173", 4.40mm Width) | 38-TFSOP (0.173", 4.40mm Width) | 38-TFSOP (0.173", 4.40mm Width) | 38-TFSOP (0.173", 4.40mm Width) | 38-TFSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 38-TSSOP | 38-TSSOP | 38-TSSOP | 38-TSSOP | 38-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
