LTC2688
RECOMMENDED FOR NEW DESIGNS16-Channel, 12-/16-Bit Voltage Output SoftSpan DAC
- Part Models
- 14
- 1ku List Price
- Starting From $24.93
Part Details
- 16 independent SoftSpan DACs
- Independently programmable output ranges: 0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V, ±15 V
- Full 12-/16-bit resolution at all ranges
- Flexible single- or dual-supply operation
- Maximum INL error: ±3 LSB16, ±0.75 LSB12
- Precision 4.096 V reference, ±5 ppm/°C maximum
- A/B toggle or sinusoidal dither using up to 3 toggle pins
- Multiplexer for output voltage and load current sense
- Outputs drive ±20 mA guaranteed
- 6 mm × 6 mm, 40-lead LFCSP and 4.5 mm × 4.5 mm, 64-ball WLCSP
The LTC2688 is a 16-channel,12-/16-bit, ±15 V digital-to-analog converter (DAC) with an integrated precision reference. The LTC2688 is guaranteed monotonic and has built in rail-to-rail output buffers that can source or sink up to 20 mA. This SoftSpan™ DAC offers five output ranges up to ±15 V. The range of each channel is independently programmable.
The internal 4.096 V precision reference sets the accuracy of the output voltage. An external reference can be used for additional range options. Three toggle pins support Input Register A and Input Register B toggle or sinusoidal dither at multiple frequencies. An analog multiplexer simplifies measurement of pin voltages, load currents, and junction temperature.
Programmable offset and gain registers improve the accuracy of the DAC outputs.
The serial peripheral interface (SPI) and MICROWIRE™-compatible, 3-wire serial interface operates on logic levels as low as 1.71 V and clock rates up to 50 MHz.
APPLICATIONS
- Optical networking
- Instrumentation
- Data acquisition
- Automatic test equipment
- Process control and industrial automation
Documentation
Data Sheet 1
User Guide 1
Device Drivers 3
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| LTC2688CUJ-12#PBF | 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP) | ||
| LTC2688CUJ-12#TRPBF | 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP) | ||
| LTC2688CUJ-16#PBF | 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP) | ||
| LTC2688CUJ-16#TRPBF | 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP) | ||
| LTC2688HCB-12#TRPBF | CHIPS W/SOLDER BUMPS/WLCSP | ||
| LTC2688HCB-16#TRPBF | CHIPS W/SOLDER BUMPS/WLCSP | ||
| LTC2688HUJ-12#PBF | 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP) | ||
| LTC2688HUJ-12#TRPBF | 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP) | ||
| LTC2688HUJ-16#PBF | 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP) | ||
| LTC2688HUJ-16#TRPBF | 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP) | ||
| LTC2688IUJ-12#PBF | 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP) | ||
| LTC2688IUJ-12#TRPBF | 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP) | ||
| LTC2688IUJ-16#PBF | 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP) | ||
| LTC2688IUJ-16#TRPBF | 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP) |
This is the most up-to-date revision of the Data Sheet.
Software Resources
Mbed Support 1
Device Drivers 3
Evaluation Software 0
Can't find the software or driver you need?
Tools & Simulations
LTspice 1
Models for the following parts are available in LTspice:
- LTC2688
IBIS Model 1
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
Evaluation Kits
LTC2688 Demo Board | 16-Channel, 16-Bit Voltage Output SoftSpan DAC
Resources
Reference Designs
±10 V Analog Input and ±15 V Analog Output for Raspberry Pi Platforms
Part Used
Resources
Design & Integration Tools
Videos
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CN0554: 10V Analog Input and 15V Analog Output for Raspberry Pi
