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Analog Devices Inc./Maxim Integrated DG409EUE
- Part No.:
- DG409EUE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
DG409EUE.pdf
- Description:
- IC SWITCH SP4TX2 100OHM 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,814
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Product details
Overview
DG409EUE from Maxim Integrated is a dual 4-channel CMOS analog multiplexer/demultiplexer designed for precision signal routing in mixed-signal systems. It features guaranteed 100Ω max on-resistance, 8Ω max channel-to-channel matching, and 15pC max charge injection. Operating from ±5V to ±20V dual supplies or +5V to +30V single supply, it serves in data-acquisition front-ends where rail-to-rail analog handling and low leakage (<5nA at +85°C) are critical.
For engineers reviewing the DG409EUE datasheet, DG409EUE pinout, DG409EUE application, or DG409EUE equivalent, key selection criteria include verified on-resistance flatness (9Ω max), enable-controlled break-before-make switching (115ns typical tOPEN), TTL/CMOS-compatible digital inputs, and TSSOP-16 packaging with -40°C to +85°C industrial temperature rating.
Technical Context
The DG409EUE implements two independent 4:1 analog multiplexers sharing common address (A0, A1) and enable (EN) controls, each with bidirectional S1A–S4A and S1B–S4B inputs and dedicated DA/DB outputs. Its CMOS transmission-gate architecture ensures symmetrical conduction and rail-to-rail signal swing across the full supply range.
Internal decoder logic interprets A0/A1 states to select one of four channels per section while EN gates both sections simultaneously. Guaranteed dynamic parameters include 100ns–600ns enable turn-on/off times (depending on supply and load), 75ns–450ns transition time, and -75dB off-isolation at 100kHz - all specified over -40°C to +85°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (rDS(ON)) | 100Ω max - ensures minimal signal attenuation and gain error in precision gain-setting or sensor interface paths |
| On-Resistance Matching | 8Ω max - enables accurate differential or ratiometric measurements without calibration per channel |
| Charge Injection | 15pC max - limits voltage glitch on sample-and-hold capacitors, preserving ADC input integrity |
| Analog Signal Range | ±10V (dual supply) or 0V to +10V (single supply) - supports industrial sensor outputs and DAC-driven actuator control |
| Input Leakage (T = +85°C) | 5nA max - maintains high-impedance node stability in low-current photodiode or piezoelectric sensor interfaces |
| Enable Turn-On Time | 100ns typical (tON(EN)) - allows tight timing control in high-speed automated test equipment scan sequences |
| Off Isolation | -75dB at 100kHz - prevents crosstalk between active and inactive channels in multi-signal monitoring systems |
Pinout & Package
DG409EUE is housed in a 16-pin TSSOP package (package code U16-1), 4.4mm × 5.0mm body, 0.65mm pitch, with exposed pad for thermal enhancement (not electrically connected). Pin 1 is A1; pin 16 is A0. GND (pin 14) and V+ (pin 13) are adjacent for low-inductance decoupling.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0, A1 | Binary Address Inputs | Selects one of four analog channels per section (00→S1A/S1B, 11→S4A/S4B); TTL/CMOS compatible (VAL ≤ 0.8V, VAH ≥ 2.4V) |
| EN | Active-Low Enable Input | Disables both mux sections when high; enables simultaneous channel selection when low - enables global signal gating |
| S1A–S4A, S1B–S4B | Bidirectional Analog I/O Terminals | Support signal routing in either direction; matched RON and low C(OFF) (3pF) minimize loading on source and destination nodes |
| DA, DB | Common Analog Outputs | Each output serves its respective 4:1 section; independent operation allows dual-path signal conditioning without interference |
| V+, V- | Supply Rails | Accept ±5V to ±20V dual supplies or +5V to +30V single supply (V- tied to GND); internal ESD clamps protect against transients |
| GND | Circuit Reference | Signal return path; must be low-impedance connection to minimize ground bounce in multi-channel acquisition |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Full signal swing from V- to V+ preserves dynamic range in ±15V industrial control and audio line-level applications |
| Guaranteed on-resistance flatness | 9Ω max variation across entire analog input range - eliminates gain nonlinearity in precision instrumentation amplifiers |
| Low power consumption | 1.25mW max at ±15V - enables battery-powered portable test equipment with extended runtime |
| ESD protection | >2000V per MIL-STD-883 Method 3015.7 - withstands handling and board-level ESD events without latch-up or parameter shift |
| Break-before-make switching | 115ns minimum tOPEN - prevents momentary shorting between channels during reconfiguration in safety-critical guidance systems |
Applications
| Sample-and-Hold Circuits | Test Equipment |
|---|---|
Use Scenario: Multiplexing multiple sensor outputs into a single high-resolution ADC with external hold capacitor. IC Role / Device Role / Timing Role: Dual 4:1 analog switch providing channel-selectable signal path with low charge injection to prevent hold-step errors. Use Value: 15pC max charge injection ensures sub-LSB error in 16-bit sampling; matched RON enables consistent settling across channels. |
Use Scenario: Automated functional testing of multi-port communication modules using shared stimulus and measurement resources. IC Role / Device Role / Timing Role: Signal routing hub enabling sequential connection of DUT ports to calibrated sources and digitizers. Use Value: -75dB off-isolation prevents signal bleed between test steps; 100ns enable timing supports >1MHz test throughput. |
| Guidance and Control Systems | Audio Signal Routing |
Use Scenario: Redundant sensor voting in flight control computers, where analog outputs from triplex accelerometers feed a comparator array. IC Role / Device Role / Timing Role: Fault-tolerant analog multiplexer selecting primary/backup sensor pairs under microcontroller supervision. Use Value: -40°C to +85°C rating ensures operation in avionics bays; 5nA max leakage avoids drift in high-gain error amplifiers. |
Use Scenario: Programmable analog patchbay in professional audio mixing consoles, routing mic preamp outputs to channel strips. IC Role / Device Role / Timing Role: Bidirectional signal switch supporting both input and output path configuration with minimal THD impact. Use Value: 100Ω max RON and 3pF C(OFF) preserve wideband frequency response; rail-to-rail swing handles ±12V line levels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual 4-channel analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG409BRUZ | Higher on-resistance (125Ω typ), wider temp range (-40°C to +125°C), but no guaranteed RON matching or flatness spec | Better suited for high-temp automotive ECUs where matching is less critical than extended temperature operation | Choose ADG409BRUZ only if operating above +85°C is required and channel matching tolerance can be relaxed |
| TS5A23159DCUR | Lower on-resistance (0.9Ω typ), but limited supply range (2.5V–5.5V), no dual-supply capability, and no industrial temp grade | Ideal for low-voltage portable audio or medical sensors, not for ±15V industrial signal chains | Select TS5A23159DCUR only for battery-powered 3.3V systems requiring ultra-low RON; incompatible with DG409EUE's voltage and temp specs |
Compared with ADG409BRUZ and TS5A23159DCUR, the DG409EUE uniquely delivers guaranteed 8Ω RON matching and 9Ω flatness within its ±5V–±20V operating range - making it the only option among the three qualified for precision ratiometric measurements in industrial data acquisition.
Availability
DG409EUE is available at Aetrix Electronics and suitable for data-acquisition systems, automated test equipment, and industrial control panels requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for DG409EUE 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, communications, and computing applications, emphasizing precision, ruggedness, and integration.
The DG409EUE belongs to Maxim's high-reliability analog switch family, engineered specifically for signal integrity in harsh environments - delivering guaranteed matching, low leakage, and robust ESD performance for mission-critical measurement systems.
FAQ
What is the maximum supply voltage range supported by the DG409EUE?
The DG409EUE operates with dual supplies from ±5V to ±20V or a single supply from +5V to +30V. Absolute maximum ratings specify V+ up to 44V referenced to V-, and GND up to 25V referenced to V-. Exceeding these stresses may cause permanent damage, so proper sequencing (V+ first, then V-, then logic) is required for reliable operation.
Does the DG409EUE support rail-to-rail analog signal switching?
Yes, the DG409EUE supports rail-to-rail analog signal handling - signals can swing from V- to V+ without clipping or distortion. This capability is confirmed in the Electrical Characteristics table (VANALOG = ±10V at ±15V supplies) and is essential for preserving full dynamic range in industrial sensor interfaces and audio routing applications.
What is the guaranteed on-resistance matching specification for DG409EUE?
The DG409EUE guarantees on-resistance matching of 8Ω maximum between any two channels within the same section (e.g., S1A vs. S2A). This parameter is tested and specified over the full -40°C to +85°C temperature range and is critical for maintaining accuracy in differential measurements and ratiometric sensor systems.
How does the DG409EUE handle charge injection during channel switching?
The DG409EUE guarantees maximum charge injection of 15pC, measured at VD = ±10V with CL = 1.0nF. This low value minimizes voltage glitches on sample-and-hold capacitors, directly supporting high-resolution data acquisition where even sub-millivolt errors degrade effective resolution - especially in 16-bit+ systems.
Is the DG409EUE pin-compatible with legacy DG409 variants?
Yes, the DG409EUE is a pin-compatible plug-in upgrade for industry-standard DG409 devices, including DG409CUE, DG409DJ, and DG409CY. All share identical TSSOP-16 pinout, function mapping, and logic thresholds, allowing direct replacement without PCB modification - provided the -40°C to +85°C temperature range meets system requirements.
DG409EUE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- 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:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSSOP
DG409EUE FAQ
1.How can I place an order for DG409EUE through Aetrix?
Please submit a Request for Quotation (RFQ) for DG409EUE 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 DG409EUE reliable?
The price and inventory of DG409EUE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG409EUE is usually 5 days.
3.What payment methods are accepted for DG409EUE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG409EUE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG409EUE?
DG409EUE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG409EUE 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 DG409EUE?
For technical support, including DG409EUE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG409EUE requirements.
6.How does Aetrix verify that DG409EUE is sourced from the original manufacturer or authorized distributors?
All DG409EUE 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 DG409EUE meets industry standards.
7.What is the process for return or replacement of DG409EUE?
All DG409EUE units undergo pre-shipment inspection (PSI). If there is an issue with DG409EUE, 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 DG409EUE part is unused and in its original packaging.
Return procedure for DG409EUE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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