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Renesas DG409DYZ
- Part No.:
- DG409DYZ
- Manufacturer:
- Renesas
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
DG409DYZ.pdf
- Description:
- IC SWITCH SP4T X 2 100OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:663
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Product details
Overview
DG409DYZ from Renesas Electronics is a differential 4-channel CMOS analog multiplexer with bilateral switching, 100Ω max ON resistance at 25°C, <250ns transition time, and ±15V analog signal range under dual supply. It serves as a drop-in replacement for DG509A in precision data acquisition and audio routing systems requiring low charge injection and TTL/CMOS compatibility.
For engineers reviewing the DG409DYZ datasheet, DG409DYZ pinout, DG409DYZ application, or DG409DYZ equivalent, key selection criteria include its SOIC-16 Pb-free package, differential dual-output architecture (DA/DB), EN-controlled channel selection, and operation across ±5V to ±20V or +5V to +34V supplies.
Technical Context
The DG409DYZ implements a digital decode circuit with A0/A1 address inputs and an active-low EN input to select one of four differential channels (S1A/S1B through S4A/S4B). Its high-voltage silicon-gate process enables latch-up immunity and supports single-ended or split-supply operation without external level shifting.
Each switch exhibits matched ON resistance (<15Ω channel-to-channel variation), low OFF capacitance (14pF drain, 3pF source), and sub-20pC charge injection-critical for sample-and-hold accuracy. The internal 5V reference stabilizes logic thresholds across supply variations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ON Resistance (max) | 100Ω at 25°C - ensures minimal signal attenuation and gain error in precision analog paths |
| Transition Time (tTRANS) | <250ns - enables fast channel switching in high-throughput data acquisition |
| Analog Signal Range | ±15V (dual supply) or 0–12V (single supply) - supports industrial sensor interfaces and audio line-level signals |
| Charge Injection | 20pC max - reduces hold-step error in sample-and-hold circuits without additional correction |
| OFF Isolation | −75dB at 100kHz - prevents crosstalk between inactive channels in multi-signal systems |
| Supply Range | ±5V to ±20V or +5V to +34V - allows flexible integration into legacy and modern power architectures |
| Logic Compatibility | TTL/CMOS - simplifies interface with microcontrollers, FPGAs, and legacy digital controllers |
Pinout & Package
DG409DYZ is housed in a 16-lead SOIC (M16.15) Pb-free plastic package, 3.9mm × 9.9mm body size, 1.27mm pitch, with gull-wing leads suitable for reflow soldering per IPC/JEDEC J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (A0) | Address Input LSB | Selects differential channel pair (00=Ch1, 01=Ch2, 10=Ch3, 11=Ch4) with EN high |
| 2 (EN) | Enable Input | Active-high control: disables all switches when low, preventing unintended conduction |
| 3 (V−) | Negative Supply | Bias reference for analog switches and internal level shifters; must be ≤ V+ − 44V |
| 4 (S1A) | Channel 1 Input A | Positive-side input of differential Channel 1; paired with S1B on Pin 13 |
| 5 (S2A) | Channel 2 Input A | Positive-side input of differential Channel 2; paired with S2B on Pin 12 |
| 6 (S3A) | Channel 3 Input A | Positive-side input of differential Channel 3; paired with S3B on Pin 11 |
| 7 (S4A) | Channel 4 Input A | Positive-side input of differential Channel 4; paired with S4B on Pin 10 |
| 8 (DA) | Differential Output A | Common output node for all A-side inputs (S1A–S4A); connects to selected channel when enabled |
| 9 (DB) | Differential Output B | Common output node for all B-side inputs (S1B–S4B); maintains complementary path integrity |
| 10 (S4B) | Channel 4 Input B | Negative-side input of differential Channel 4; paired with S4A on Pin 7 |
| 11 (S3B) | Channel 3 Input B | Negative-side input of differential Channel 3; paired with S3A on Pin 6 |
| 12 (S2B) | Channel 2 Input B | Negative-side input of differential Channel 2; paired with S2A on Pin 5 |
| 13 (S1B) | Channel 1 Input B | Negative-side input of differential Channel 1; paired with S1A on Pin 4 |
| 14 (V+) | Positive Supply | Substrate bias and analog switch rail; must remain ≥ V− + 5V for proper threshold operation |
| 15 (GND) | Logic Ground | Reference for digital inputs (A0, A1, EN); isolated from analog signal ground in mixed-signal layouts |
| 16 (A1) | Address Input MSB | Most significant bit of 2-bit channel address; used with A0 to decode four differential pairs |
Key Features
| Feature | Design Value |
|---|---|
| Differential 4-channel architecture | Enables true balanced signal routing for noise rejection in instrumentation and audio applications |
| Drop-in DG509A replacement | Preserves existing PCB layout while improving ON resistance, speed, and charge injection performance |
| Low 20pC charge injection | Minimizes voltage step errors in sample-and-hold circuits without requiring external compensation |
| Bilateral analog switching | Supports bidirectional AC and DC signals with symmetric ON resistance and capacitance profiles |
| Pb-free SOIC-16 package | RoHS-compliant construction compatible with standard reflow profiles and automated assembly |
Applications
| Data Acquisition Systems | Audio Switching Systems |
|---|---|
Use Scenario: Multiplexing outputs from multiple precision sensors (e.g., thermocouples, strain gauges) into a single ADC input. IC Role / Device Role / Timing Role: Differential analog multiplexer selecting one of four sensor pairs with matched channel characteristics. Use Value: Maintains common-mode rejection and minimizes offset drift due to <15Ω rDS(ON) matching and −75dB OFF isolation. | Use Scenario: Routing stereo line-level signals between multiple sources (CD, phono, DAC) and amplifiers. IC Role / Device Role / Timing Role: Bidirectional differential switch handling ±2V audio signals with low THD. Use Value: Delivers <250ns tTRANS and <100Ω rDS(ON) to preserve transient fidelity and channel separation. |
| Automatic Test Equipment | Sample and Hold Circuits |
Use Scenario: Configuring stimulus/response paths across DUT pins during functional testing of mixed-signal ICs. IC Role / Device Role / Timing Role: High-isolation analog switch enabling precise signal routing without crosstalk-induced measurement error. Use Value: −75dB OFF isolation at 100kHz prevents interference between test channels during parallel execution. | Use Scenario: Capturing analog waveforms prior to digitization in oscilloscopes or waveform analyzers. IC Role / Device Role / Timing Role: Low-charge-injection switch isolating hold capacitor from input during acquisition phase. Use Value: 20pC max Q limits hold-step error to <2mV on 10nF capacitors, eliminating need for clamping diodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG409BRZ | Higher typical ON resistance (120Ω), wider supply range (±20V), but higher charge injection (25pC) | Suitable for general-purpose switching where ultra-low hold-step error is not required | Prefer DG409DYZ when <20pC charge injection and <100Ω rDS(ON) are critical for precision sampling |
| MAX4619ESE+ | Dual SPDT (not differential), lower ON resistance (60Ω), but no DA/DB outputs or A0/A1 decode logic | Requires external address decoding; better for discrete switch control than integrated multiplexing | Choose DG409DYZ when differential channel pairing and built-in decode simplify system design |
Compared with ADG409BRZ and MAX4619ESE+, DG409DYZ uniquely combines differential 4-channel topology, integrated address decoding, sub-20pC charge injection, and Pb-free SOIC packaging-making it optimal for space-constrained, high-fidelity analog multiplexing where channel matching and hold accuracy are design-critical.
Availability
DG409DYZ is available at Aetrix Electronics and suitable for data acquisition systems, audio switching systems, and automatic test equipment requiring stable component supply, RoHS compliance, and long-term industrial temperature support (−40°C to +85°C).
Supply support for DG409DYZ 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
Renesas Electronics Corporation is a global semiconductor leader delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The DG409DYZ belongs to Renesas' legacy analog switch product line, designed specifically for high-reliability, precision analog signal routing in industrial instrumentation and test equipment where low distortion, matched channels, and robust supply flexibility are essential.
FAQ
What is the maximum allowable supply voltage difference for DG409DYZ?
The DG409DYZ supports a maximum V+ to V− differential of 44V, as specified in Absolute Maximum Ratings. This allows operation from ±5V to ±20V (40V span) or +5V to +34V (29V span), but exceeding 44V risks permanent damage. Operation at ±20V is within spec and commonly used in industrial sensor interfaces.
Does DG409DYZ support single-supply operation?
Yes, DG409DYZ operates from a single +5V to +34V supply. When using +12V single supply, the analog signal range is 0–12V, rDS(ON) is typically 90Ω, and tTRANS is ~180ns. GND serves as the logic and negative analog reference, requiring careful grounding to avoid noise coupling into sensitive analog paths.
How does the differential architecture of DG409DYZ improve noise immunity?
DG409DYZ routes each signal as a complementary pair (e.g., S1A/S1B → DA/DB), enabling common-mode noise rejection at the receiving stage. With matched rDS(ON) (<15Ω variation) and symmetric OFF capacitance (14pF DB vs 14pF DA), differential signaling preserves signal integrity in electrically noisy environments like motor drives or PLC backplanes.
Can DG409DYZ replace DG509A without PCB changes?
Yes, DG409DYZ is explicitly documented as a drop-in replacement for DG509A in SOIC-16 packaging (M16.15 footprint). Pinout, supply requirements, and logic levels are identical; improvements in ON resistance, speed, and charge injection require no layout modification but deliver measurable system-level benefits in precision applications.
What is the thermal resistance (θJA) of DG409DYZ in SOIC package?
The DG409DYZ in SOIC-16 package has a typical junction-to-ambient thermal resistance (θJA) of 110°C/W, measured on an evaluation board in free air. At full 2mA supply current and 100mA pulsed channel current, this implies a ~22°C junction rise above ambient-well within the 150°C max rating, supporting reliable operation in sealed enclosures up to 85°C ambient.
DG409DYZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- 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):
- 15Ohm (Max)
- Voltage - Supply, Single (V+):
- 5V ~ 34V
- Voltage - Supply, Dual (V±):
- ±5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 150ns, 150ns
- -3db Bandwidth:
- -
- Charge Injection:
- 20pC
- Channel Capacitance (CS(off), CD(off)):
- 3pF, 14pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
DG409DYZ FAQ
1.How can I place an order for DG409DYZ through Aetrix?
Please submit a Request for Quotation (RFQ) for DG409DYZ 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 DG409DYZ reliable?
The price and inventory of DG409DYZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG409DYZ is usually 5 days.
3.What payment methods are accepted for DG409DYZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG409DYZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG409DYZ?
DG409DYZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG409DYZ 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 DG409DYZ?
For technical support, including DG409DYZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG409DYZ requirements.
6.How does Aetrix verify that DG409DYZ is sourced from the original manufacturer or authorized distributors?
All DG409DYZ 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 DG409DYZ meets industry standards.
7.What is the process for return or replacement of DG409DYZ?
All DG409DYZ units undergo pre-shipment inspection (PSI). If there is an issue with DG409DYZ, 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 DG409DYZ part is unused and in its original packaging.
Return procedure for DG409DYZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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