Overview
The LTC2688IUJ-16#PBF is a 16-channel, 12-/16-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This device features an integrated precision reference and is designed for high accuracy and flexibility. The LTC2688 is guaranteed monotonic and includes built-in rail-to-rail output buffers capable of sourcing or sinking up to 20 mA. It offers five independently programmable output ranges up to ±15 V, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 12-/16-bit | |||
| Output Ranges | 0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V, ±15 V | |||
| Output Current | ±20 mA | |||
| Internal Reference Voltage | 4.096 V | V | ||
| Reference Temperature Drift | ±5 ppm/°C | |||
| Analog Supply Voltage | 4.75 V | 5.25 V | V | |
| Digital Input/Output Supply Voltage | 1.71 V | VCC + 0.3 V | V | |
| Operating Temperature Range | -40°C | +85°C | °C | |
| Package Type | 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP) | |||
Key Features
- 16 independent SoftSpan DAC channels
- 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
- Precision 4.096 V internal reference with ±5 ppm/°C maximum temperature drift
- Flexible single- or dual-supply operation
- 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
- SPI and MICROWIRE™-compatible, 3-wire serial interface with clock rates up to 50 MHz
Applications
- Optical networking
- Instrumentation
- Data acquisition
- Automatic test equipment
- Process control and industrial automation
Q & A
- What is the resolution of the LTC2688IUJ-16#PBF?
The LTC2688IUJ-16#PBF has a resolution of 12-/16-bit.
- What are the available output ranges for the LTC2688IUJ-16#PBF?
The output ranges are 0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V, and ±15 V.
- What is the maximum output current of the LTC2688IUJ-16#PBF?
The maximum output current is ±20 mA.
- What is the internal reference voltage of the LTC2688IUJ-16#PBF?
The internal reference voltage is 4.096 V.
- What is the temperature drift of the internal reference?
The temperature drift is ±5 ppm/°C.
- What is the operating temperature range of the LTC2688IUJ-16#PBF?
The operating temperature range is -40°C to +85°C.
- What type of package does the LTC2688IUJ-16#PBF come in?
The package type is a 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP).
- What communication interfaces does the LTC2688IUJ-16#PBF support?
The device supports SPI and MICROWIRE™-compatible, 3-wire serial interface.
- What are some typical applications of the LTC2688IUJ-16#PBF?
Typical applications include optical networking, instrumentation, data acquisition, automatic test equipment, and process control and industrial automation.
- Can the output ranges of the LTC2688IUJ-16#PBF be programmed independently?
Yes, the output ranges of each channel can be programmed independently.
