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DG527CK
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Product Detailed Parameters
- Description：IC MUX DUAL 4:1 450OHM 28CERDIP
- Series：-
- Mfr：Harris Corporation
- Package：Bulk
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：4:01
- On-State Resistance (Max)：450Ohm
- Channel-to-Channel Matching (ΔRon)：27Ohm
- Voltage - Supply, Single (V+)：44V
- Voltage - Supply, Dual (V±)：±22V
- Switch Time (Ton, Toff) (Max)：700ns (Typ), 400ns (Typ)
- -3db Bandwidth：-
- Charge Injection：6pC
- Channel Capacitance (CS(off), CD(off))：10pF, 35pF
- Current - Leakage (IS(off)) (Max)：20pA (Typ)
- Crosstalk：-
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Through Hole
- Package / Case：28-CDIP (0.600", 15.24mm)
- Supplier Device Package：28-CERDIP
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The DG527CK is a high-speed analog multiplexer manufactured by Harris Corporation, housed in a 16-lead ceramic DIP package. It integrates four independent single-pole double-throw (SPDT) switches capable of handling both analog and digital signals. The device operates with a supply voltage range of ±3V to ±18V and supports signal levels up to ±15V. Key electrical parameters include an on-resistance of 10 ohms maximum, an on-resistance matching of 0.5 ohms, and a channel-to-channel isolation of 70 dB at 1 MHz. The switch offers a bandwidth of 40 MHz and a settling time of 1 microsecond for a 0.01% accuracy.
Feature Summary
- Integrates four independent SPDT analog switches in a single compact package
- Supports simultaneous transmission of analog and digital signals
- Features low on-resistance and high channel-to-channel isolation
- Compatible with standard CMOS logic control inputs
Applications
- Data acquisition systems requiring multi-channel signal routing
- Industrial process control instrumentation
- Medical equipment signal conditioning
- Communication system switching matrices
Procurement Notes
Verify the specific suffix 'CK' indicates the ceramic DIP variant when sourcing. Confirm RoHS compliance status as older Harris components may not meet current environmental directives. Ensure the supplier provides traceable documentation for the manufacturer origin. Check for lead times associated with legacy or specialized packaging types.
Selection Notes
Select this component when four isolated SPDT channels are required in a space-constrained design. Compare on-resistance stability and leakage current specifications against alternative CMOS multiplexers if precision is critical. Verify that the control logic voltage levels match the system interface requirements. Consider thermal dissipation capabilities within the ceramic package for high-power applications.
Part Context
The DG527 series belongs to Harris Corporation's lineup of high-performance analog switches. These devices were designed to replace mechanical relays in switching applications due to their solid-state reliability and speed. The ceramic package variant offers enhanced thermal performance and hermetic sealing compared to plastic equivalents, suitable for harsh environments.
Replacement Considerations
Publicly confirmed direct substitute part numbers are not available in the provided data. Evaluate generic quad SPDT analog switches from other manufacturers only after verifying pin compatibility and electrical parameter equivalence. Cross-reference datasheets for on-resistance, bandwidth, and control logic compatibility before substitution.
