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LTC2704IGW-12
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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT 44SSOP
- Series：SoftSpan™
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：12
- Number of D/A Converters：4
- Settling Time：8µs (Typ)
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：SPI
- Reference Type：External
- Voltage - Supply, Analog：±4.5V ~ 16.5V
- Voltage - Supply, Digital：2.7V ~ 5.5V
- INL/DNL (LSB)：±1 (Max), ±1 (Max)
- Architecture：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：44-BSOP (0.295", 7.50mm Width)
- Supplier Device Package：44-SSOP
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
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Overview
The LTC2704IGW-12#PBF is a quad-channel, 12-bit voltage-output digital-to-analog converter (DAC) from Analog Devices. It features SoftSpan technology for configurable output ranges and operates with an analog supply of 4.5 V to 16.5 V and a digital supply of 2.7 V to 5.5 V. The device utilizes an SPI-compatible interface and achieves a settling time of 3 µs. Key performance metrics include ±1 LSB DNL/INL linearity and 0.5 LSB gain error. It is housed in a 44-lead SSOP package and draws 500 nA of quiescent current.
Feature Summary
- Quad-channel 12-bit resolution with SoftSpan output range configuration
- High accuracy: ±1 LSB DNL/INL and 0.5 LSB gain error
- Low power consumption: 500 nA operating current
- Wide supply voltage support: 4.5–16.5 V analog, 2.7–5.5 V digital
Applications
- Battery-powered instrumentation systems
- Portable test and measurement equipment
- Industrial process control loops requiring multi-channel precision
Procurement Notes
Verify the specific suffix #PBF indicates lead-free compliance and RoHS adherence. Confirm the IGW package variant matches the required SSOP-44 footprint. Check official Analog Devices documentation for moisture sensitivity levels and recommended soldering profiles prior to assembly.
Selection Notes
Select this component when four independent 12-bit outputs are required with low static power draw. Ensure the application supports the wide analog supply range up to 16.5 V. Verify that the SPI interface timing meets the system clock requirements for the 3 µs settling time specification.
Part Context
This part belongs to the LTC2704 series, which offers 12-, 14-, and 16-bit resolutions. The -12 designation specifies the 12-bit version. Other variants in the family share the same pinout and SoftSpan functionality but differ in resolution and update rates.
Replacement Considerations
Direct substitutes within the same family include LTC2704IGW-14#PBF (14-bit) and LTC2704IGW-16#PBF (16-bit). Cross-family replacements require verification of pin compatibility and software register mapping.
