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| Part Number | AD660SQ | AD668SQ | AD669SQ | 
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | 
| Product Status | Active | Active | Active | 
| Number of Bits | 16 | 12 | 16 | 
| Number of D/A Converters | 1 | 1 | 1 | 
| Settling Time | 13µs | - | 13µs | 
| Output Type | Voltage - Buffered | Voltage - Unbuffered | Voltage - Buffered | 
| Differential Output | No | No | No | 
| Data Interface | SPI | Parallel | Parallel | 
| Reference Type | External, Internal | External | External, Internal | 
| Voltage - Supply, Analog | ±13.5V ~ 16.5V | - | ±13.5V ~ 16.5V | 
| Voltage - Supply, Digital | 5V | - | 4.5V ~ 5.5V | 
| INL/DNL (LSB) | ±4 (Max), ±4 (Max) | ±0.25LSB (Max), ±0.5 (Max) | ±4 (Max), ±4 (Max) | 
| Architecture | R-2R | Multiplying DAC | R-2R | 
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | 
| Package / Case | 24-CDIP (0.300", 7.62mm) | 24-CDIP (0.300", 7.62mm) | 28-CDIP (0.600", 15.24mm) | 
| Supplier Device Package | 24-CDIP | 24-CDIP | 28-CDIP | 
| Mounting Type | Through Hole | Through Hole | Through Hole |