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LTC2704CGW-14#PBF
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Product Detailed Parameters
- Description：IC DAC 14BIT V-OUT 44SSOP
- Series：SoftSpan™
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：14
- Number of D/A Converters：4
- Settling Time：9µs (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：0°C ~ 70°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 LTC2704CGW-14#PBF is a quad, 14-bit voltage output SoftSpan DAC in a 44-lead SSOP package. It operates with logic supplies from 3V to 5V and analog supplies of ±5V to ±15V. Key electrical parameters include 1 LSB INL and DNL over the industrial temperature range (0°C to +70°C). 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). It supports serial readback of all on-chip registers via a 3-wire SPI interface and includes power-on reset and clear-to-zero functionality.
Feature Summary
- Quad 14-bit resolution with 1 LSB INL and DNL accuracy
- Six software-programmable SoftSpan output ranges
- Serial readback of all internal registers
- Force/Sense outputs for remote sensing capability
Applications
- Process control and industrial automation
- Direct digital waveform generation
- Software controlled gain adjustment
- Automated test equipment
Procurement Notes
Verify the specific ordering suffix #PBF indicates lead-free finish and RoHS compliance as per Analog Devices standards. Confirm the CGW suffix corresponds to the 44-lead plastic SSOP package and the C grade specifies the 0°C to +70°C operating temperature range. Ensure the -14 designation matches the required 14-bit resolution variant.
Selection Notes
Select this component when four independent 14-bit voltage outputs are required with high linearity. The SoftSpan feature allows flexible range configuration without external resistor networks. Verify that the application requires the industrial temperature range and SSOP packaging. Consider the need for serial readback capabilities for system verification during design.
Part Context
This part belongs to the LTC2704 family, which includes 12-bit and 16-bit variants. The -14 suffix specifically denotes the 14-bit resolution version. All variants share pin compatibility and similar electrical characteristics, differing primarily in resolution and associated code word lengths for the serial interface.
Replacement Considerations
Pin-compatible replacements within the same family include LTC2704CGW-12#PBF (12-bit) and LTC2704CGW-16#PBF (16-bit). These parts share the same package and functional interface but differ in resolution.
