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Product Detailed Parameters
- Description：IC DAC 16BIT V-OUT 16LFCSP
- Series：nanoDAC+®
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Bits：16
- Number of D/A Converters：2
- Settling Time：8µs
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：SPI
- Reference Type：External, Internal
- Voltage - Supply, Analog：2.7V ~ 5.5V
- Voltage - Supply, Digital：1.8V ~ 5.5V
- INL/DNL (LSB)：±1, ±1 (Max)
- Architecture：String DAC
- Operating Temperature：-55°C ~ 125°C
- Package / Case：16-WFQFN Exposed Pad, CSP
- Supplier Device Package：16-LFCSP (3x3)
- Mounting Type：Surface Mount
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Overview
The AD5689RTCPZ-EP-RL7 is a dual, 16-bit buffered voltage output digital-to-analog converter (DAC) from the nanoDAC+ family. It features an internal 2.5 V reference with a typical drift of 4 ppm/°C and operates on a single 2.7 V to 5.5 V supply. The device supports user-selectable gain of 1 or 2 via the GAIN pin, enabling full-scale outputs of 2.5 V or 5 V respectively. It includes a versatile SPI interface compatible with 1.8 V logic, power-on reset circuitry, and per-channel power-down modes reducing current consumption to 4 μA at 3 V.
Feature Summary
- Dual 16-bit resolution with ±4 LSB maximum integral nonlinearity (INL).
- Internal 2.5 V reference with 4 ppm/°C typical temperature coefficient.
- User-selectable gain (×1 or ×2) for 0–2.5 V or 0–5 V output spans.
- Enhanced product qualification supporting defense and aerospace applications.
Applications
- Optical transceivers
- Base station power amplifiers
- Process control PLC input/output cards
- Industrial automation systems
- Data acquisition systems
Procurement Notes
Verify the Enhanced Product (EP) designation ensures controlled manufacturing baselines and qualification data availability for aerospace requirements. Confirm the RTCPZ suffix corresponds to the 16-lead LFCSP package and RL7 indicates reel packaging. Check RoHS compliance status as indicated by the Z suffix in the ordering guide.
Selection Notes
Select this component when high relative accuracy and low drift are required in a compact form factor. Ensure the application voltage range fits within the 2.7 V to 5.5 V VDD limit. Consider the 15 mA drive capability and capacitive load stability limits (2 nF without load, 10 nF with 1 kΩ load) for output buffering requirements.
Part Context
This part belongs to the AD5689R-EP Enhanced Product line, designed for rugged environments. It shares functional similarities with the standard AD5689R but offers extended temperature ranges and controlled production sites. The EP variant is specifically qualified for defense and aerospace sectors requiring strict change notification protocols.
Replacement Considerations
Standard AD5689R variants lack the enhanced product qualifications and extended temperature range. Verify if the specific AQEC support and controlled fabrication site requirements can be met by non-EP versions before substitution.
