My Inquiry
My Account
Analog Devices Inc./Maxim Integrated DG441DY+T
- Part No.:
- DG441DY+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
DG441DY+T.pdf
- Description:
- IC SWITCH SPST-NCX4 85OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,499
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
DG441DY+T from Maxim Integrated is a quad, normally-closed (NC), single-pole/single-throw (SPST) analog switch IC designed for precision signal routing in bipolar or single-supply systems. It delivers 85Ω max on-resistance, 4Ω max on-resistance matching between channels, <5nA off-leakage at +85°C, 10pC max charge injection, and rail-to-rail analog signal handling from ±15V supplies - enabling high-fidelity switching in test equipment and communication systems.
For engineers reviewing the DG441DY+T datasheet, DG441DY+T pinout, DG441DY+T application, or DG441DY+T equivalent, key selection criteria include guaranteed rDS(ON) flatness (9Ω max), TTL/CMOS logic compatibility, dual-supply operation (±4.5V to ±20V), low power consumption (1.65mW), and ESD tolerance (2000V min per Method 3015.7).
Technical Context
The DG441DY+T implements four independent NC SPST switches fabricated using a 44V silicon-gate process. Each channel features symmetrical conduction, bidirectional signal flow, and clamped analog terminals with internal diodes limiting overvoltage stress.
It operates across wide supply ranges: ±4.5V to ±20V (bipolar) or +10V to +30V (single), with guaranteed performance parameters - including on-resistance match and flatness - validated only under bipolar conditions per datasheet Note 4. Logic inputs accept standard TTL/CMOS voltage levels (VINH = 2.4V, VINL = 0.8V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| rDS(ON) | 85Ω max - ensures minimal signal attenuation and voltage drop across active channels at ±15V supplies. |
| ΔrDS(ON) | 4Ω max - guarantees tight channel-to-channel on-resistance matching for balanced multi-path signal routing. |
| rFLAT(ON) | 9Ω max - maintains consistent on-resistance across full analog input range (±15.5V), critical for low-distortion sampling. |
| Charge Injection | 10pC max - minimizes voltage glitch at sample-hold nodes, supporting accurate DC-coupled acquisition. |
| Off-Leakage Current | <5nA at +85°C - preserves signal integrity in high-impedance circuits like sensor front-ends and battery-powered systems. |
| tON/tOFF | <250ns / <170ns - enables fast multiplexing in automated test equipment and real-time signal switching applications. |
| ESD Tolerance | 2000V min (HBM, Method 3015.7) - provides robust handling during board assembly and system integration. |
Pinout & Package
DG441DY+T is supplied in a 16-pin narrow SO (Small Outline) package with gull-wing leads, RoHS-compliant lead-free finish (indicated by "+T" suffix). The exposed pad variant is not used in this version; pin 10 is N.C. (not internally connected).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 16, 9, 8 | IN1–IN4 | Logic control inputs; active-low for DG441 (logic '0' closes switch, '1' opens). |
| 2, 15, 10, 7 | D1–D4 | Analog drain terminals - bidirectional signal path endpoints, clamped to V+/V−. |
| 3, 14, 11, 6 | S1–S4 | Analog source terminals - paired with D pins to form SPST switch paths. |
| 4 | V− | Negative supply rail connection; required for bipolar operation or GND reference in single-supply mode. |
| 5 | GND | Digital ground reference for logic inputs and internal bias networks. |
| 12 | V+ | Positive supply rail; also tied to substrate for latch-up immunity and stable analog performance. |
| 13 | N.C. | No internal connection; must be left unconnected or tied to V+ per layout best practice. |
Key Features
| Feature | Design Value |
|---|---|
| Normally Closed (NC) Configuration | Ensures fail-safe signal continuity during power loss or logic fault - critical for safety-critical analog monitoring paths. |
| Rail-to-Rail Analog Signal Handling | Supports full ±15.5V input swing with no clipping, enabling direct interface to op-amp outputs and sensor bridges. |
| Bidirectional Conduction | Eliminates need for signal polarity awareness in routing design - simplifies PCB layout and firmware logic. |
| TTL/CMOS-Compatible Inputs | Accepts standard 0.8V/2.4V logic thresholds without level-shifting, reducing BOM count in mixed-voltage systems. |
| Low Power Consumption | 1.65mW max total device power enables use in thermally constrained or battery-operated portable instrumentation. |
Applications
| Test Equipment Multiplexing | Communication System Signal Routing |
|---|---|
|
Use Scenario: High-speed channel selection in automated test equipment (ATE) scanning multiple sensor inputs or DUT signals. IC Role / Device Role / Timing Role: Quad NC SPST switch providing low-distortion, low-glitch signal path selection synchronized with test sequence timing. Use Value: 4Ω rDS(ON) match and 9Ω rFLAT(ON) ensure measurement consistency across all four channels without calibration offsets. |
Use Scenario: Dynamic reconfiguration of audio/data paths in PBX, PABX, and military radios requiring reliable analog switching. IC Role / Device Role / Timing Role: Fail-safe analog switch managing voice/data line connections with automatic closure on power-down. Use Value: 2000V ESD rating and <5nA off-leakage at +85°C maintain signal fidelity in electrically noisy, temperature-variable environments. |
| Sample-and-Hold Circuits | Battery-Operated Instrumentation |
|
Use Scenario: Precision sampling of slow-varying sensor outputs (e.g., thermocouples, strain gauges) into ADC front-ends. IC Role / Device Role / Timing Role: Low-charge-injection (10pC max) switch isolating hold capacitor from input source during acquisition phase. Use Value: Minimal voltage step error (<1 LSB for 16-bit systems) preserves DC accuracy without post-acquisition correction. |
Use Scenario: Power-conscious signal conditioning in handheld multimeters, data loggers, and portable medical monitors. IC Role / Device Role / Timing Role: Low-power (1.65mW), wide-supply-range analog switch enabling flexible battery voltage utilization (e.g., 2× Li-ion). Use Value: Single-supply operation (+10V to +30V) allows direct use of boosted battery rails without auxiliary regulators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG441BRZ | Quad NC SPST; 75Ω rDS(ON), 25pC charge injection, −40°C to +85°C, SO-16 package. | Higher charge injection degrades DC accuracy in sample-and-hold; lower rDS(ON) benefits low-level signal gain stages. | Select ADG441BRZ when lower on-resistance outweighs charge injection sensitivity in AC-coupled paths. |
| TS5A3157DCKR | Single SPST NC; 0.75Ω rDS(ON), 3pC charge injection, +1.65V to +5.5V supply, SC70-6 package. | Not quad-channel; limited to low-voltage (≤5.5V) systems; unsuitable for ±15V or high-voltage analog routing. | Choose TS5A3157DCKR only for space-constrained, low-voltage, single-channel replacement where voltage range permits. |
Compared with DG441DY+T, ADG441BRZ offers marginally lower on-resistance but significantly higher charge injection - making it less suitable for precision DC sampling. TS5A3157DCKR provides superior low-voltage performance and lower glitch energy but lacks quad integration and high-voltage capability, requiring four separate devices and level-shifting circuitry for equivalent functionality.
Availability
DG441DY+T is available at Aetrix Electronics and suitable for test equipment multiplexing, communication system signal routing, and battery-operated instrumentation requiring stable component supply, long-term lifecycle support, and RoHS-compliant lead-free packaging.
Supply support for DG441DY+T 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) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, communications, and computing applications.
The DG441DY+T belongs to Maxim's legacy precision analog switch product line, engineered for high-reliability signal routing in demanding environments - emphasizing low distortion, thermal stability, and robust ESD protection.
FAQ
What is the logic polarity of DG441DY+T switch control?
The DG441DY+T implements normally closed (NC) switching behavior: a logic low (≤0.8V) on IN1–IN4 closes the corresponding S–D path, while a logic high (≥2.4V) opens it. This inverse logic is inherent to the DG441 family and differs from the DG442's normally open configuration. DG441DY+T does not require external inverters for fail-safe operation.
Can DG441DY+T operate from a single +12V supply?
Yes, DG441DY+T supports single-supply operation from +10V to +30V. When using +12V, connect V− to GND (pin 4), set GND (pin 5) as digital reference, and route analog signals within 0V to +12V. Note that rDS(ON) increases to ~160Ω (vs. 85Ω at ±15V), and guaranteed rFLAT(ON) and ΔrDS(ON) apply only under bipolar conditions per datasheet Note 4.
What is the maximum analog signal voltage range for DG441DY+T?
With ±15V supplies, DG441DY+T supports rail-to-rail analog signals from −15.5V to +15.5V (VANALOG = ±15.5V). The absolute maximum analog voltage at any S or D terminal is (V− − 2V) to (V+ + 2V); exceeding this risks damage due to internal clamp diode conduction. For +12V single-supply use, the safe range is 0V to +12V.
Is DG441DY+T pin-compatible with older DG441 variants?
Yes, DG441DY+T maintains identical pinout, electrical characteristics, and package dimensions (16-pin narrow SO) as the legacy DG441DY. The "+T" suffix denotes lead-free termination and conforms to the same ordering code structure defined in Maxim's 19-4611 datasheet Rev 5. No PCB layout changes are required for drop-in replacement.
How does temperature affect off-leakage current in DG441DY+T?
DG441DY+T specifies off-leakage current <5nA at +85°C (maximum rated hot temperature), with typical values below 0.01nA at +25°C. Leakage increases exponentially with temperature - datasheet graphs show ~1nA at +125°C and ~0.1nA at −55°C. This low, well-characterized leakage supports stable operation in extended-temperature industrial and automotive subsystems.
DG441DY+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SPST - NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- 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, 120ns
- -3db Bandwidth:
- -
- Charge Injection:
- 5pC
- Channel Capacitance (CS(off), CD(off)):
- 4pF, 4pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -100dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
DG441DY+T FAQ
1.How can I place an order for DG441DY+T through Aetrix?
Please submit a Request for Quotation (RFQ) for DG441DY+T 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 DG441DY+T reliable?
The price and inventory of DG441DY+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG441DY+T is usually 5 days.
3.What payment methods are accepted for DG441DY+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG441DY+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG441DY+T?
DG441DY+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG441DY+T 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 DG441DY+T?
For technical support, including DG441DY+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG441DY+T requirements.
6.How does Aetrix verify that DG441DY+T is sourced from the original manufacturer or authorized distributors?
All DG441DY+T 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 DG441DY+T meets industry standards.
7.What is the process for return or replacement of DG441DY+T?
All DG441DY+T units undergo pre-shipment inspection (PSI). If there is an issue with DG441DY+T, 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 DG441DY+T part is unused and in its original packaging.
Return procedure for DG441DY+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DG441DY+T Tags
-
SN74LVC1G3157DBVR
Texas Instruments
-
SN74LVC1G66DBVR
Texas Instruments
-
SN74LVC1G66DCKR
Texas Instruments
-
SN74LVC1G3157DSFR
Texas Instruments
-
1P1G3157QDCKRQ1
Texas Instruments
-
SN74LVC2G66DCUR
Texas Instruments
-
SN74LV4052APWR
Texas Instruments
-
74HC4051D,653
Nexperia USA Inc.
-
SN74LV4051APWR
Texas Instruments
-
CD74HC4052PWR
Texas Instruments
-
CD74HC4051PWR
Texas Instruments
-
TS5A3166DBVR
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
