LTC1650IS#PBF

Digital To Analog Converters Overview

The LTC1650IS#PBF is a low glitch 16-bit voltage output digital-to-analog converter (DAC) from Analog Devices Inc. It features a rail-to-rail buffered output and operates with dual ±5V supplies, consuming 50mW of power. The device guarantees 16-bit monotonicity over the industrial temperature range (-40°C to 85°C). Key electrical specifications include a settling time of 4ms to 16 bits, a midscale glitch impulse under 2nV-s, and an output noise density of 30nV/√Hz. It utilizes a three-wire cascadable serial interface compatible with SPI and MICROWIRE protocols.

Digital To Analog Converters Feature Summary

• 16-bit resolution with guaranteed monotonicity over temperature
• Rail-to-rail buffered voltage output capable of sourcing/sinking 5mA
• Low power consumption of 50mW with dual ±5V supplies
• Three-wire serial interface with daisy-chain capability

Digital To Analog Converters Applications

• Industrial process control
• Precision industrial equipment
• Waveform generation
• Automatic test equipment
• High resolution offset and gain adjustment

Digital To Analog Converters Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS status. Confirm the IS variant meets the required -40°C to 85°C operating temperature range for your application environment. Ensure supply voltages remain within the specified 4.75V to 5.25V limits for AVDD, DVDD, and AVSS pins to maintain performance specifications.

Digital To Analog Converters Selection Notes

Select this component when high resolution and low glitch performance are critical for waveform generation or precision instrumentation. The bipolar/unipolar configuration is selectable via the UNI/BIP pin. Ensure the load current does not exceed the buffer amplifier's capability, as output swing headroom varies with load. Verify that the serial interface timing requirements align with the microcontroller or DSP driving the DIN and CLK pins.

Digital To Analog Converters Part Context

The LTC1650 series includes variants in 16-lead PDIP (N) and 16-lead Plastic Small Outline (S) packages. The 'I' designation specifies the industrial temperature grade (-40°C to 85°C), while 'C' denotes commercial grade (0°C to 70°C). The '#PBF' suffix typically indicates a Pb-free finish. This part belongs to Linear Technology's portfolio of high-performance DACs acquired by Analog Devices.

Digital To Analog Converters Replacement Considerations

Direct replacements within the same package and pinout include other LTC1650 variants such as LTC1650IN, LTC1650CS, or LTC1650CN, depending on the required temperature range. Lower resolution alternatives like the LTC1451 or LTC1452 may be considered if 12-bit accuracy suffices, though they offer different supply ranges and package options.