| Part Number | LTC1668CG#PBF | LTC1666CG#PBF | 
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | 
| Category | Data Acquisition - Digital to Analog Converters (DAC) | Data Acquisition - Digital to Analog Converters (DAC) | 
|   |   | |
| Product Status | Active | Active | 
| Number of Bits | 16 | 12 | 
| Number of D/A Converters | 1 | 1 | 
| Settling Time | 20ns (Typ) | 20ns (Typ) | 
| Output Type | Current - Unbuffered | Current - Unbuffered | 
| Differential Output | Yes | Yes | 
| Data Interface | Parallel | Parallel | 
| Reference Type | External, Internal | External, Internal | 
| Voltage - Supply, Analog | ±5V | ±5V | 
| Voltage - Supply, Digital | - | - | 
| INL/DNL (LSB) | ±8 (Max), ±1 | ±1 (Max), ±1 (Max) | 
| Architecture | Current Steering | Current Steering | 
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 
| Package / Case | 28-SSOP (0.209", 5.30mm Width) | 28-SSOP (0.209", 5.30mm Width) | 
| Supplier Device Package | 28-SSOP | 28-SSOP | 
| Mounting Type | Surface Mount | Surface Mount |