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DG442CJ+
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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX4 85OHM 16DIP
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：85Ohm
- Channel-to-Channel Matching (ΔRon)：4Ohm (Max)
- Voltage - Supply, Single (V+)：10V ~ 30V
- Voltage - Supply, Dual (V±)：±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max)：250ns, 170ns
- -3db Bandwidth：-
- Charge Injection：5pC
- Channel Capacitance (CS(off), CD(off))：4pF, 4pF
- Current - Leakage (IS(off)) (Max)：500pA
- Crosstalk：-100dB @ 1MHz
- 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：4
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Overview
The DG442CJ+ is a quad, single-pole/single-throw (SPST) analog switch from Analog Devices/Maxim Integrated. It features four normally open switches with an on-resistance of 85 ohms maximum and an on-resistance match between channels of 4 ohms maximum. The device operates from a single +10V to +30V supply or bipolar ±4.5V to ±20V supplies. Key electrical characteristics include a turn-on time of 250ns maximum, a turn-off time of 170ns maximum, and charge injection of 10pC maximum. It supports rail-to-rail signal handling and offers low off-leakage current of less than 5nA at +85°C.
Feature Summary
- Quad SPST configuration with four independently controlled normally open switches
- Low on-resistance matching between channels for improved signal integrity
- Guaranteed on-resistance flatness over the entire signal range
- TTL and CMOS logic compatible input interface
Applications
- Sample-and-hold circuits
- Audio-signal routing systems
- Test equipment signal paths
- Battery-operated systems
Procurement Notes
Verify the component designation includes the plus symbol suffix to confirm lead-free packaging compliance. Ensure the ordering code matches the specific temperature grade and package type required for the application environment. Cross-reference the manufacturer's latest documentation to confirm current production status and availability constraints before finalizing procurement plans.
Selection Notes
Select this component when a quad SPST switch with low on-resistance is required. Verify that the operating voltage range aligns with the system's single or dual supply rails. Consider the thermal dissipation capabilities if multiple channels are active simultaneously. Confirm that the logic input levels are compatible with the controlling microcontroller or digital interface.
Part Context
This device belongs to the DG441/DG442 family of improved analog switches. The DG442 variant specifically provides four normally open switches, whereas the DG441 provides four normally closed switches. Both share identical pinouts and electrical specifications, allowing for direct functional substitution based on the required switch state.
Replacement Considerations
The DG442DY+ serves as a surface-mount alternative in the Narrow SOIC-16 package. For through-hole applications requiring extended temperature ranges, the DG442DJ+ is available in a Plastic DIP package. Verify pin compatibility and thermal performance when transitioning between these package variants.
