Analog Devices Inc./Maxim Integrated DG409CUE+
- Part No.:
- DG409CUE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
DG409CUE+.pdf
- Description:
- IC SWITCH SP4TX2 100OHM 16TSSOP
- Quantity:
- Payment:

- Shipping:

Inventory:1,083
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Product details
Overview
DG409CUE+ from Maxim Integrated is a dual 4-channel CMOS analog multiplexer/demultiplexer designed for bidirectional signal routing in precision analog systems. It features guaranteed on-resistance matching ≤8Ω, on-resistance flatness ≤9Ω, low charge injection ≤15pC, and operates from ±5V to ±20V dual supplies or +5V to +30V single supply - enabling use in data-acquisition front-ends where channel-to-channel consistency and minimal signal distortion are critical.
For engineers reviewing the DG409CUE+ datasheet, DG409CUE+ pinout, DG409CUE+ application, or DG409CUE+ equivalent, key selection criteria include verified channel matching, rail-to-rail analog signal handling (±10V typical), TTL/CMOS-compatible digital control, and guaranteed leakage <5nA at +85°C - all validated across its 0°C to +70°C operating range in 16-pin TSSOP package.
Technical Context
The DG409CUE+ implements two independent 4:1 analog multiplexers with shared address and enable logic, supporting simultaneous or separate channel selection via A0/A1 inputs and EN. Its CMOS transmission-gate architecture ensures symmetrical on-resistance and bidirectional conduction without polarity constraints.
Internal decoder logic interprets binary address inputs (A0, A1) to activate one of four source paths per section (S1A–S4A and S1B–S4B), while EN globally enables or disables both sections. Signal integrity is preserved by low off-capacitance (CD(OFF) = 26pF, CS(OFF) = 3pF) and high off-isolation (−75dB), minimizing crosstalk between unselected channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (rDS(ON)) | 100Ω max at ±15V - ensures minimal voltage drop and gain error in precision gain-setting or sensor signal paths |
| On-Resistance Matching | 8Ω max - guarantees consistent gain scaling across channels in multi-sensor or calibration-switching applications |
| On-Resistance Flatness | 9Ω max over ±10V signal range - maintains linearity and THD performance across full analog input swing |
| Charge Injection | 15pC max - limits voltage glitch on sample-and-hold capacitors, reducing acquisition settling time |
| Input Off-Leakage | 5nA max at +85°C - preserves accuracy in high-impedance sensor interfaces and long-interval sampling |
| Analog Signal Range | ±10V typical with ±15V supplies - supports industrial sensor outputs and bipolar instrumentation signals |
| Enable Turn-On Time | 150ns max - enables fast channel switching in real-time control loops and burst-mode data capture |
Pinout & Package
The DG409CUE+ is housed in a 16-pin TSSOP package (package code U16-1), with 0.65mm pitch and exposed pad for thermal enhancement. Pin 14 is GND; pins 13 and 16 are V+ and V− respectively; pins 1 and 16 also serve as address inputs A0 and A1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 16 | A0, A1 | Binary address inputs selecting active channel (00–11) for each 4-channel section |
| 2 | EN | Active-low enable controlling conduction state of both multiplexer sections simultaneously |
| 3 | V− | Negative supply rail - must be connected for dual-supply operation; tied to GND for single-supply mode |
| 4–7 | S1A–S4A | Bidirectional analog inputs for first 4:1 mux section - interchangeable as sources or sinks |
| 8, 9 | DA, DB | Common analog outputs - DA serves S1A–S4A; DB serves S1B–S4B |
| 10–13 | S4B–S1B | Bidirectional analog inputs for second 4:1 mux section - pin order reversed per datasheet top view |
| 14 | GND | Ground reference for logic interface and internal biasing - separate from analog return paths in mixed-signal layouts |
| 15 | V+ | Positive supply rail - supports up to +30V single supply or +20V dual supply |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports full ±10V differential input range with ±15V supplies - eliminates level-shifting in industrial I/O modules |
| TTL/CMOS-compatible digital inputs | VAL ≤ 0.8V / VAH ≥ 2.4V thresholds - allows direct interfacing with microcontrollers and FPGAs without level translators |
| Guaranteed low charge injection (15pC) | Reduces hold-step error in sample-and-hold circuits - enables sub-12-bit accuracy without additional correction |
| ESD protection >2000V (MIL-STD-883 Method 3015.7) | Enhances robustness during board assembly and field handling - reduces need for external TVS diodes in test equipment |
| Pin-compatible upgrade path | Direct replacement for legacy DG409 - no PCB redesign required when migrating to improved matching and flatness specs |
Applications
| Sample-and-Hold Circuits | Test Equipment |
|---|---|
Use Scenario: Multiplexing multiple sensor outputs into a single sample-and-hold amplifier before ADC conversion. IC Role / Device Role / Timing Role: Dual 4:1 analog switch providing low-glitch, matched-path signal routing to preserve acquisition fidelity. Use Value: 15pC max charge injection and 8Ω matching minimize hold-step error and inter-channel gain mismatch, enabling accurate multi-channel synchronized sampling. | Use Scenario: Automated test system switching between DUT signal paths and measurement instruments. IC Role / Device Role / Timing Role: High-isolation analog multiplexer routing stimulus and response signals with minimal crosstalk. Use Value: −75dB off-isolation and 26pF drain-off capacitance prevent signal bleed-through, ensuring measurement integrity across 100kHz–1MHz bandwidths. |
| Guidance and Control Systems | Audio Signal Routing |
Use Scenario: Selecting among redundant inertial sensor inputs in flight control electronics. IC Role / Device Role / Timing Role: Fault-tolerant analog switch enabling seamless channel switchover without signal interruption. Use Value: Bidirectional conduction and rail-to-rail ±10V handling maintain signal continuity during hot-swap events, supporting DO-254 compliance. | Use Scenario: Programmable analog audio path selection in studio mixing consoles. IC Role / Device Role / Timing Role: Low-distortion analog multiplexer routing line-level or mic-level signals between processing stages. Use Value: 9Ω on-resistance flatness preserves frequency response flatness across 20Hz–20kHz, avoiding tonal coloration in professional audio chains. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG409BRUZ | Higher on-resistance (125Ω typ), wider temp range (−40°C to +85°C), same 16-TSSOP footprint | Preferred for extended temperature environments; less suitable for ultra-low-offset precision front-ends | Select ADG409BRUZ when operating beyond +70°C or requiring higher ESD rating (4kV HBM) |
| MAX4619ESE+ | Dual SPDT (not 4:1), lower on-resistance (60Ω typ), but no address decoding logic | Requires external logic for channel selection; better for simple path switching than multi-input routing | Choose MAX4619ESE+ only for discrete switch control where address decoding is handled elsewhere |
Compared with ADG409BRUZ and MAX4619ESE+, the DG409CUE+ delivers superior channel matching (8Ω vs. 15Ω) and integrated binary decoding - making it optimal for compact, self-contained multi-sensor front-ends where layout area and BOM count are constrained.
Availability
DG409CUE+ is available at Aetrix Electronics and suitable for data-acquisition systems, automated test equipment, and guidance-control subsystems requiring stable component supply, guaranteed parametric performance, and long-term manufacturability.
Supply support for DG409CUE+ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Maxim Integrated (now part of Analog Devices) designs high-performance analog and mixed-signal ICs for industrial, automotive, and communications applications.
The DG409CUE+ belongs to Maxim's precision analog multiplexer product line, engineered specifically for applications demanding low distortion, tight channel matching, and robust operation across wide supply and temperature ranges.
FAQ
What supply voltage ranges does the DG409CUE+ support?
The DG409CUE+ operates from ±5V to ±20V dual supplies or +5V to +30V single supply. When using single supply, V− must be connected to GND. The device maintains specified on-resistance and leakage performance across this full range, with analog signal handling extending to ±10V under ±15V conditions - critical for interfacing with industrial sensors and legacy instrumentation.
Is the DG409CUE+ pin-compatible with the original DG409?
Yes, the DG409CUE+ is a pin-compatible plug-in upgrade for the industry-standard DG409. All pin functions, spacing, and electrical interface requirements match exactly - allowing drop-in replacement without PCB modification. This includes identical TSSOP-16 footprint, address input mapping (A0/A1), enable polarity, and supply pin locations (V+, V−, GND).
What is the maximum guaranteed on-resistance flatness for DG409CUE+?
The DG409CUE+ guarantees on-resistance flatness of 9Ω maximum over the specified analog signal range (±10V). This specification ensures that rDS(ON) variation remains tightly bounded across the full input voltage swing - directly improving linearity and reducing harmonic distortion in precision amplification and filtering stages where the device is used as a programmable gain element or filter path selector.
How does charge injection performance impact sample-and-hold circuits using DG409CUE+?
The DG409CUE+ guarantees charge injection of ≤15pC, which directly determines the voltage step error injected onto the hold capacitor during channel switching. In a 10nF hold capacitor, this yields ≤1.5mV glitch - enabling sub-12-bit accuracy without additional blanking or correction circuitry. This spec is tested and guaranteed across temperature, making it reliable for embedded data loggers and portable instrumentation.
Does DG409CUE+ support rail-to-rail analog signal operation?
Yes, the DG409CUE+ supports true rail-to-rail analog signal handling - meaning signals can swing from V− to V+ without clipping or increased distortion. With ±15V supplies, this provides a usable ±10V range; with +12V/0V single supply, it supports 0V to +10V. This capability eliminates level-shifting components in sensor interface and actuator drive circuits, simplifying design and improving dynamic range.
DG409CUE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- SP4T
- Multiplexer/Demultiplexer Circuit:
- 4:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 100Ohm
- Channel-to-Channel Matching (ΔRon):
- 1.5Ohm
- Voltage - Supply, Single (V+):
- 5V ~ 30V
- Voltage - Supply, Dual (V±):
- ±5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 150ns, 150ns
- -3db Bandwidth:
- -
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 3pF, 14pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -92dB @ 100kHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSSOP
DG409CUE+ FAQ
1.How can I place an order for DG409CUE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for DG409CUE+ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for DG409CUE+ reliable?
The price and inventory of DG409CUE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG409CUE+ is usually 5 days.
3.What payment methods are accepted for DG409CUE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG409CUE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG409CUE+?
DG409CUE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG409CUE+ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for DG409CUE+?
For technical support, including DG409CUE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG409CUE+ requirements.
6.How does Aetrix verify that DG409CUE+ is sourced from the original manufacturer or authorized distributors?
All DG409CUE+ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that DG409CUE+ meets industry standards.
7.What is the process for return or replacement of DG409CUE+?
All DG409CUE+ units undergo pre-shipment inspection (PSI). If there is an issue with DG409CUE+, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The DG409CUE+ part is unused and in its original packaging.
Return procedure for DG409CUE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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