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Product Detailed Parameters
- Description：IC MUX 8:1 300OHM 16DIP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：300Ohm
- Channel-to-Channel Matching (ΔRon)：12Ohm
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：±15V
- Switch Time (Ton, Toff) (Max)：800ns, 800ns (Typ)
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：5pF, 30pF
- Current - Leakage (IS(off)) (Max)：2nA
- Crosstalk：-
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Through Hole
- Package / Case：16-DIP (0.300", 7.62mm)
- Supplier Device Package：16-PDIP
- Number of Circuits：1
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Overview
The AD7503KNZ is a monolithic CMOS 8-channel analog multiplexer that switches one of eight inputs to a common output based on three binary address lines and an inverted enable input. It features TTL/DTL and CMOS logic compatibility, with a maximum on-resistance of 300 Ω and a typical power dissipation of 30 µW. The device operates within a temperature range of 0°C to +70°C and supports dual supplies up to ±15V.
Feature Summary
- Inverted enable logic distinguishes it from the AD7501 variant
- Direct interface with DTL, TTL, and CMOS logic families
- Low power consumption suitable for battery-operated systems
Applications
- Data acquisition systems requiring signal routing
- Process control instrumentation
- Industrial automation signal conditioning
Procurement Notes
This component is obsolete and no longer manufactured by Analog Devices Inc. Verification of availability should focus on surplus distributors or secondary markets. Designers must confirm the authenticity of stock units and review datasheet revisions, as specifications may have been updated prior to discontinuation. Lead times are not applicable due to end-of-life status.
Selection Notes
Select this part only if legacy system compatibility with the AD7503 family is required. Note that the AD7503 differs from the AD7501 specifically in its active-high versus active-low enable logic. Ensure the application can accommodate the 300 Ω maximum on-resistance and 800 ns switching times specified for commercial grade versions.
Part Context
Part of the AD7501/AD7502/AD7503 family of CMOS analog multiplexers. The AD7503 specifically provides an 8:1 configuration with inverted enable logic, whereas the AD7501 offers non-inverted enable logic. The AD7502 is a dual 4-channel variant within the same series.
Replacement Considerations
Publicly confirmed substitutes include the ADG1408YRUZ. Engineers should verify pinout compatibility and electrical parameter alignment, particularly regarding on-resistance and leakage current, when transitioning from the obsolete AD7503KNZ to newer alternatives.
