Manufacturer Part Number

CD4511BNSR

Description

IC LED driver for 7-segment displays. Drives LED numeric indicators using BCD input. Very low power consumption for battery powered and portable systems. Surface-mount device ideal for automatic assembly. Delivers stable drive to LEDs so output remains clear and bright.

Specifications

Supply voltage range: 3V to 18V. Supply current: typically 40nA, making it highly power efficient. Operating temperature range: -55°C to 125°C for use in demanding environments. Package type: 16-SOIC (Surface mount, 0.209" width, 5.30mm). RoHS3 compliant and REACH unaffected, ensuring global environmental standards. Moisture Sensitivity Level: 1 (Unlimited). BCD input interface, 7-segment output. Inventory: 19190 pieces currently available.

Device Structure

16-pin SOIC package enables easy pick-and-place and reflow soldering. Internal circuitry converts BCD input into signals required for 7-segment LED display. Optimized for direct connection to common cathode LED displays.

Performance Characteristics

Handles high-temperature operation up to 125°C. Low supply current (40nA) reduces energy consumption and heat generation. Reliable signal conversion and output for consistent segment illumination.

Application Environments

Designed for use in digital clocks, instrumentation panels, calculators, measuring equipment, and other devices requiring numeric display with minimal power usage. Suits indoor and outdoor environments due to broad temperature specification.

Selection Guidelines

Choose this device for LED 7-segment driving with BCD inputs, especially in designs with strict power limits or operating across wide temperature ranges. Compatible with direct LED segment control in compact, surface-mount layouts.

Usage Considerations

Ensure supply voltage is within 3V to 18V range. Mount using standard SMT techniques in reflow processes. Suitable for unlimited floor life (Moisture Sensitivity Level 1). Avoid exceeding maximum ratings to prevent device failure.

Potential Equivalent/Replacement Models

Texas Instruments CD4511BE (DIP package variant), CD4511BNS (different packaging), ON Semiconductor MC14511B, Nexperia HEF4511B (functionally similar). If none of these alternatives meet project requirements, contact Ariat-Tech sales team for additional assistance or equivalent suggestions.

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