LTC1257 - Complete Single Supply 12-Bit Voltage Output DAC in SO-8
Features
- 8-Pin SO Package
- Buffered Voltage Output
- Built-In 2.048V Reference
- 500µV/LSB with 2.048V Full Scale
- 1/2 LSB Max DNL Error
- Guaranteed 12-Bit Monotonic
- Three-Wire Cascadable Serial Interface
- Wide Single Supply Range: VCC = 4.75V to 15.75V
- Low Power: ICC Typ = 350µA with 5V Supply
Typical Application
Description
The LTC1257 is a complete single supply, 12-bit voltage output D/A converter (DAC) in an SO-8 package. The LTC1257 includes an output buffer amplifier, 2.048V voltage reference and an easy to use three-wire cascadable serial interface. An external reference can be used to override the internal reference and extend the output voltage range to 12V. The power supply current is a low 350µA when operating from a 5V supply, making the LTC1257 ideal for battery-powered applications. The space-saving 8-pin SO package and operation with no external components provide the smallest 12-bit D/A system available.
Packaging
For complete and up to date package information and drawings, please refer to our packaging page
N-8, SO-8
Order Info
- Part numbers ending in PBF are lead free. Please contact LTC marketing for information on lead based finish parts.
- Part numbers containing TR or TRM are shipped in tape and reel or 500 unit mini tape and reel, respectively
- Please refer to our general ordering information or the product datasheet for more details
Package Variations and Pricing
| Part Number | Package | Pins | Temp | Price (1-99) | Price (1k)* | RoHS Data |
|---|---|---|---|---|---|---|
| LTC1257CN8 | PDIP | 8 | C | $5.60 | $4.40 | View |
| LTC1257CN8#PBF | PDIP | 8 | C | $5.60 | $4.40 | View |
| LTC1257CS8 | SO | 8 | C | $5.90 | $4.65 | View |
| LTC1257CS8#PBF | SO | 8 | C | $5.90 | $4.65 | View |
| LTC1257CS8#TR | SO | 8 | C | $4.71 | View | |
| LTC1257CS8#TRPBF | SO | 8 | C | $4.71 | View | |
| LTC1257IN8 | PDIP | 8 | I | $6.15 | $4.80 | View |
| LTC1257IN8#PBF | PDIP | 8 | I | $6.15 | $4.80 | View |
| LTC1257IS8 | SO | 8 | I | $6.50 | $5.15 | View |
| LTC1257IS8#PBF | SO | 8 | I | $6.50 | $5.15 | View |
| LTC1257IS8#TR | SO | 8 | I | $5.21 | View | |
| LTC1257IS8#TRPBF | SO | 8 | I | $5.21 | View | |
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Demo Boards
Linear Technology offers many demo boards free of charge to qualified customers. Contact your local sales office or distributor to inquire about a demo board. Certain demo boards are also available for sale via credit card on this website. Demo boards are for evaluation purposes only. It remains the customer’s responsibility to verify proper and reliable operation in the actual end application.Click here to view our complete list of demo boards
Applications
- Digital Offset/Gain Adjustment
- Industrial Process Control
- Automatic Test Equipment
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Technical Support
- For immediate technical assistance, contact your local sales office or distributor or call 1-800-4-LINEAR (US customers only) or 408-432-1900.
- For less urgent requests, please complete our Technical Support Request Form. Please allow 2-3 business days for reply.
