LTC2704CGW-16#PBF

Overview

The LTC2704CGW-16#PBF is a quad, 16-bit voltage output SoftSpan DAC from Analog Devices. It operates with logic supplies of 2.7V to 5.5V and analog supplies of ±4.5V to ±16.5V. The device features six programmable output ranges: two unipolar (0V to 5V, 0V to 10V) and four bipolar (±2.5V, ±5V, ±10V, –2.5V to 7.5V). Key electrical specifications include an Integral Nonlinearity (INL) of ±2 LSB and Differential Nonlinearity (DNL) of ±1 LSB. Settling time is typically 10 µs for a ±10V step. It supports serial readback of all on-chip registers via a 3-wire SPI interface.

Feature Summary

• Quad 16-bit resolution with ±2 LSB INL and ±1 LSB DNL
• Six software-programmable output spans including unipolar and bipolar ranges
• Serial readback capability for verification of code and span registers
• Force/Sense outputs enable remote sensing for improved load regulation

Applications

• Process control and industrial automation systems
• Direct digital waveform generation
• Software controlled gain adjustment circuits
• Automated test equipment

Procurement Notes

Verify the specific ordering suffix #PBF indicates lead-free finish and tube packaging. Confirm the 'C' grade corresponds to the commercial temperature range of 0°C to 70°C. Ensure the pinout matches the 44-lead SSOP package description in the datasheet before integration.

Selection Notes

Select this component when four independent 16-bit channels are required with wide analog supply flexibility up to ±16.5V. Compare against LTC2704-14 or -12 if lower resolution suffices for cost reduction. Verify that the ±2 LSB INL meets system accuracy requirements compared to higher precision alternatives.

Part Context

This part belongs to the LTC2704 family, which includes 12-bit and 14-bit variants. All versions share the same 44-lead SSOP footprint and pin configuration, allowing for design flexibility across different resolution requirements within the same hardware platform.

Replacement Considerations

LTC2704IGW-16#PBF offers the same electrical performance but extends the operating temperature range to –40°C to 85°C. Other family members like LTC2704CGW-14#PBF provide pin-compatible alternatives with reduced resolution.