DG411CJ+ - Quad SPST Analog Switch | Analog Devices
MPN: DG411CJ+ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.68 | $3.68 |
| 10 | $3.68 | $36.80 |
| 100 | $3.68 | $368.00 |
| 500 | $3.68 | $1,840.00 |
| 1,000 | $3.68 | $3,680.00 |
DG411CJ+ Overview
An analog switch is an integrated semiconductor device that routes analog or digital signals under electronic control. In the broader hierarchy, an analog switch belongs to interface ICs, alongside multiplexers, demultiplexers, and switch matrices. The DG411CJ+ is useful when a system must connect, isolate, sample, or route four independent signal paths without using mechanical relays.
Key benefits of the DG411 family include matched behavior among the four switches, low on resistance, fast switching, and CMOS-compatible logic control. The normally closed topology means each switch conducts when its control input is in its inactive state and opens when commanded. This behavior can simplify fail-safe signal paths, though exact control-state interpretation should be confirmed from the manufacturer datasheet before implementation.
The DG411 family comprises multiple package and temperature options. The CJ+ ordering code specifically identifies the 16-pin PDIP package, so it should not be confused with surface-mount or military-package variants. Its through-hole format is useful for legacy instrumentation, laboratory equipment, industrial controls, and hand-built or low-volume systems where SOIC or dual-inline-package assembly is preferred.
Typical uses include multimeter and test-equipment signal routing, sample-and-hold paths, industrial sensor interfaces, audio test systems, and analog measurement chains. Because the device is an integrated circuit rather than a power semiconductor, a safe operating area chart is not applicable. Thermal and switching analysis should instead consider package dissipation, control timing, signal amplitude, load impedance, and the selected external circuitry.
The principal design consideration is package interchangeability. Verify the CJ+ package suffix, pin orientation, and SPST normally closed behavior against the current manufacturer datasheet before substitution. PCB layout should keep control traces away from sensitive analog paths, use a solid ground reference, and place protection or settling networks where required by the source and destination impedances.
Drop-in alternatives for DG411CJ+ — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DG411AK/883B
✅ Drop-In📋 Reference alternative (not in catalog)
DG411CJ
✅ Drop-In📋 Reference alternative (not in catalog)
DG411DJZ
✅ Drop-In📋 Reference alternative (not in catalog)
DG411CJ+ Maximum Ratings & Electrical Characteristics
| Product Type | Improved quad SPST analog switch |
| Number of Switches | 4 |
| Switch Configuration | 4 x SPST, normally closed |
| Control Input Compatibility | TTL and CMOS compatible |
| On-Resistance Matching Between Switches | 3 ohm max |
| On-Resistance Flatness Over Signal Range | 4 ohm max |
| Package | 16-pin PDIP |
| Pin Count | 16 pins |
| Mounting Type | Through-hole |
| Lifecycle Status | Production |
| Manufacturer List Price Starting From | $3.68 |
| LCSC Listed Price Starting From | $3.0469 |
DG411CJ+ 16-pin pdip Pin Configuration Guide
Pin configuration for DG411CJ+ (16-pin pdip package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for DG411CJ+.
Refer to the datasheet for full pin configuration.
Typical Applications
DG411CJ+ is suitable for 6 applications: Multimeter Signal Routing, Automated Test Equipment, Industrial Sensor Interface, Sample-and-Hold Signal Path, Laboratory Instrument Interconnect, Audio Test Signal Routing.
Multimeter Signal Routing
The DG411CJ+ can route four independent analog signals in a digital multimeter or automated measurement instrument, helping separate source, return, and test paths without mechanical relays. The family’s on-resistance matching of 3 ohms maximum and on-resistance flatness of 4 ohms maximum support similar channel behavior during measurement. In a practical circuit, each normally closed switch is placed in series with its signal path and opened by its TTL- or CMOS-compatible control input. Designers should confirm switch timing, leakage, charge injection, and off-state isolation in the manufacturer datasheet, especially when measuring high-impedance sources where injected charge can create settling errors.
Recommended
Automated Test Equipment
The DG411CJ+ suits legacy automated test equipment that needs four independently switched analog connections while retaining a through-hole PCB architecture. Its four SPST channels can isolate fixture inputs, connect test sources, or establish default signal states without relying on slower mechanical relays. The 3-ohm maximum matching between switches and 4-ohm maximum flatness over the signal range are useful when several channels contribute to a test result. The key engineering trade-off is that integrated CMOS switches can introduce charge injection and finite switching transients, so fixture settling time and source impedance should be evaluated rather than assuming relay-like isolation.
Recommended
Industrial Sensor Interface
The DG411CJ+ can connect or isolate sensor lines in industrial measurement modules where a four-channel SPST arrangement simplifies wiring and preserves a normally closed default path. This behavior is useful when a de-energized control state should leave a sensor connected rather than disconnecting it. The four independent switches support separate excitation, reference, and return routing, while TTL- and CMOS-compatible inputs simplify connection to controller logic. Engineers must verify the manufacturer’s absolute maximum ratings, supply range, leakage, and off resistance before applying the part to high-impedance sensors or hazardous industrial signals, because those numerical limits are not present in the supplied excerpts.
Recommended
Sample-and-Hold Signal Path
The DG411CJ+ can implement four switched branches in a sample-and-hold acquisition system, allowing the same hold capacitor to receive different sources in sequence. Its matched on-resistance behavior reduces channel-to-channel variation, with family specifications of 3 ohms maximum matching and 4 ohms maximum flatness over the signal range. The switch must be positioned so the capacitor sees a defined impedance during acquisition and must have enough settling time before sampling starts. Because the available evidence does not specify charge injection, bandwidth, or off isolation, the datasheet values should be checked against the capacitor size and required acquisition accuracy before using this part in precision measurements.
Recommended
Laboratory Instrument Interconnect
The DG411CJ+ is appropriate for laboratory instruments that retain through-hole analog boards and need compact, electronically controlled signal isolation. The four channels can switch inputs, outputs, or guard paths, while the normally closed configuration provides a defined connection state when the control circuitry is inactive. The 16-pin PDIP package is easier to inspect, replace, or socket in hand-built and low-volume equipment than a fine-pitch surface-mount package. Layout should use a continuous ground plane, short return paths, and controlled logic routing. Engineers should also account for the maximum switch-to-switch resistance difference and confirm that the selected connector and test fixture impedance remains appropriate.
Recommended
Audio Test Signal Routing
The DG411CJ+ can route four audio-frequency paths in test and measurement equipment where channel consistency matters more than very low distortion. The family’s guaranteed matching and flatness specifications help maintain similar resistance behavior across channels, while the four independent SPST paths support input selection and isolation. Because the verified data does not provide off isolation, bandwidth, total harmonic distortion, or charge injection, those parameters must be checked before routing high-fidelity audio or microphone signals. The normally closed state also allows a fail-safe default connection, but control timing should be arranged to avoid unintended transients during startup.
Recommended
Recommended Products Summary
Engineering reference data for DG411CJ+ — comparison, design guidance, and compliance information.
Selection Guide
Key Differentiators
- Matched four-channel switching behavior (vs Generic unmatched discrete analog switch networks)
- Four independently controlled SPST functions (vs Single-pole analog switch)
- Production family with readily identified PDIP option (vs DG411DJZ)
Design Notes
Do not treat every DG411 ordering suffix as electrically and mechanically interchangeable with DG411CJ+. The verified comparison records identify CJ+ as the 16-pin PDIP option and also discuss DJZ, CY+, and AK/883B alternatives. Before replacing a component, compare the exact package drawing, pin numbering, normally closed contact behavior, temperature grade, supply limits, and on/off resistance ratings against the Analog Devices datasheet.
Keep the four analog paths short and provide a continuous ground reference beneath the device. Route digital control inputs away from sensitive analog nets to minimize capacitive injection, and avoid sharing narrow return paths between switched signals. If the switch drives a high-impedance node, include the source impedance, capacitance, and required settling time in the timing budget because the verified excerpts do not provide charge-injection or switching-time data.
Use the family’s 3-ohm maximum on-resistance matching and 4-ohm maximum on-resistance flatness as consistency checks when comparing channels, not as universal bandwidth guarantees. Measure or verify off isolation, on resistance, bandwidth, and injected charge for the actual signal amplitude and source impedance. The normally closed topology can preserve a default connection, but startup control sequencing should prevent unintended switching transients.
Compliance Information
The supplied verified search excerpts identify production status, package, functionality, and pricing but do not provide explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. One comparison excerpt contains a RoHS details field without a verified value, so no compliance status has been inferred.