| Part Number | LTC1663CMS8#PBF | LTC1661CMS8#PBF | 
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | 
| Category | Data Acquisition - Digital to Analog Converters (DAC) | Data Acquisition - Digital to Analog Converters (DAC) | 
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| Product Status | Active | Active | 
| Number of Bits | 10 | 10 | 
| Number of D/A Converters | 1 | 2 | 
| Settling Time | 30µs (Typ) | 30µs (Typ) | 
| Output Type | Voltage - Buffered | Voltage - Unbuffered | 
| Differential Output | No | No | 
| Data Interface | I²C | SPI | 
| Reference Type | Internal | External | 
| Voltage - Supply, Analog | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 
| Voltage - Supply, Digital | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 
| INL/DNL (LSB) | ±0.5, ±0.2 | ±0.4, ±0.1 | 
| Architecture | - | Oversampling Interpolating DAC | 
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 
| Supplier Device Package | 8-MSOP | 8-MSOP | 
| Mounting Type | Surface Mount | Surface Mount |