Analog Devices Inc. DC1466B-D

Overview

DC1466B-D from Analog Devices (formerly Linear Technology) is a demonstration board for the LTC2636CMS-HMI12#PBF octal 12-bit SPI voltage-output DAC with integrated 4.096V reference and mid-scale power-up output. It supports rail-to-rail buffered analog outputs, monotonic operation, and SPI-compatible digital interface. Designed for rapid evaluation of precision DAC performance in industrial control and data acquisition systems.

For engineers reviewing the DC1466B-D datasheet, DC1466B-D pinout, DC1466B-D application, or DC1466B-D equivalent, this page provides verified hardware configuration details, DAC-specific evaluation capabilities, QuikEval™ software integration, LDAC/CLR control implementation, and full-scale output behavior under HMI variant conditions.

Technical Context

The DC1466B-D implements the LTC2636CMS-HMI12#PBF DAC in MSOP-16 package with internal 4.096V reference and mid-scale (2.048V) power-up output. All eight DAC channels (VOUTA–VOUTH) are routed to turret terminals for direct probing or external connection.

Digital control is provided via a 14-conductor ribbon interface to the DC590 USB controller, supporting SPI commands through CS/LD, SCK, SDI, and MISO lines. LDAC and CLR pins are accessible via turrets and pulled high with 10kΩ resistors for synchronous update and global reset functionality.

Key Specifications

Availability

DC1466B-D is available at Aetrix Electronics and suitable for industrial automation, test equipment calibration, and embedded data acquisition systems requiring stable component supply and validated DAC evaluation infrastructure.

Supply support for DC1466B-D includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices, Inc. (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors for precision measurement and control applications.

The DC1466B-D belongs to Linear Technology's demonstration board family for the LTC2636 DAC series, engineered specifically to accelerate validation of octal voltage-output DACs in systems demanding low-drift reference stability and deterministic power-up behavior.

FAQ

What is the primary function of the DC1466B-D evaluation board?

The DC1466B-D evaluation board is designed exclusively to demonstrate and validate the LTC2636CMS-HMI12#PBF octal 12-bit SPI DAC. It provides immediate access to all eight analog outputs (VOUTA–VOUTH), configurable reference mode, LDAC synchronization, and CLR reset-enabling rapid functional verification without custom PCB design. The DC1466B-D integrates the exact HMI variant with 4.096V reference and mid-scale startup output.

Which DAC variant does the DC1466B-D implement?

The DC1466B-D implements the LTC2636CMS-HMI12#PBF variant: a 12-bit octal DAC in MSOP-16 package with internal 4.096V reference and mid-scale (2.048V) power-up output. This is confirmed by the Parts List – DC1466B-D section, which explicitly specifies U1 as LTC2636CMS-HMI12#PBF. The DC1466B-D does not support LZ, LMI, or HZ variants.

How is the DC1466B-D powered and interfaced?

The DC1466B-D is normally powered via the DC590 USB controller through a 14-conductor ribbon cable. It features a J1 2×7-pin header for digital communication (SCK, MOSI, MISO, CS, LDAC, CLR, EEPROM I²C lines) and turret terminals for analog outputs (VOUTA–VOUTH), REF, VCC, and GND. External VCC may be applied only if DC590 power is disabled per the DC590 Quick Start Guide.

Does the DC1466B-D support simultaneous DAC updates?

Yes-the DC1466B-D exposes the LDAC (Load DAC) pin on turret E13, allowing synchronous updating of all eight DAC outputs after individual input registers are written. LDAC is active-low and pulled high via a 10kΩ resistor. When used with QuikEval™ software, LDAC assertion is handled automatically unless manual control is enabled in the GUI settings.

Can an external reference be used with the DC1466B-D?

Yes-the REF turret (E3) connects directly to the LTC2636's REF pin, enabling monitoring of the internal 4.096V reference or substitution with an external reference. To use an external reference, the "Internal Reference" checkbox must be unchecked in QuikEval™ software, and the external source must meet the DAC's reference input specifications (e.g., noise, stability, drive capability) as defined in the LTC2636 datasheet.