My Inquiry
My Account
Analog Devices Inc./Maxim Integrated DG509ACWE
- Part No.:
- DG509ACWE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
DG509ACWE.pdf
- Description:
- IC SWITCH SP4T X 2 450OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,602
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
DG509ACWE from Maxim Integrated is a differential 4-channel (2-of-8) monolithic CMOS analog multiplexer with ±4.5V to ±18V dual-supply operation, guaranteed break-before-make switching, and 130Ω typical on-resistance at ±15V. It features TTL/CMOS-compatible logic inputs, latchup-proof construction, and is designed for precision signal routing in data-acquisition and control systems.
For engineers reviewing the DG509ACWE datasheet, DG509ACWE pinout, DG509ACWE application, or DG509ACWE equivalent, key selection criteria include its differential channel architecture, -55°C to +125°C extended temperature capability (via other variants), low 0.002nA typical source off-leakage, and compatibility with ±15V analog signal ranges in high-isolation routing scenarios.
Technical Context
The DG509ACWE implements a fully symmetrical, bidirectional analog switch matrix controlled by two address bits (A0, A1) and an active-high enable (EN). Its internal decode logic selects one of four differential pairs (S1A/S1B through S4A/S4B), routing them to DA/DB outputs with matched on-resistance and capacitance across channels.
It operates with true rail-to-rail analog signal handling (±15V range), supports break-before-make timing of 0.2µs, and maintains stable performance across supply voltages from ±4.5V to ±18V - enabling use in both industrial ±15V and portable ±5V systems when paired with appropriate support circuitry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Signal Range | ±15V - supports full-range bipolar signal routing without clipping in standard industrial instrumentation. |
| Drain-Source On-Resistance | 130Ω typ - ensures minimal insertion loss and gain error in precision measurement paths. |
| Break-Before-Make Interval | 0.2µs - prevents momentary shorting between differential channels during switching. |
| Source Off-Leakage Current | 0.002nA typ - preserves accuracy in high-impedance sensor interfaces and data-logging front-ends. |
| Off-Isolation | 68dB at 500kHz - provides strong channel-to-channel crosstalk suppression in multi-signal routing. |
| Enable Turn-On Time | 0.4µs typ - enables fast multiplexing in real-time sampling applications like aircraft HUDs. |
| Supply Voltage Range | ±4.5V to ±18V - allows direct integration into legacy ±15V systems and low-power ±5V designs with external level-shifting. |
Pinout & Package
Package: 16-pin Wide SO (Small Outline) - surface-mount, RoHS-compliant, 7.5mm body width, suitable for automated PCB assembly and space-constrained industrial modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 16 | A0, A1 | Binary address inputs selecting one of four differential channel pairs (S1A/S1B–S4A/S4B). |
| 2 | EN | Active-high enable controlling global mux activation; disables all switches when low. |
| 3 | V− | Negative supply rail input - must be connected to system −V for proper analog signal swing. |
| 4–7 | S1A–S4A | Positive-side analog inputs/outputs of four differential channels - bidirectional, matched to SxB pins. |
| 8, 9 | DA, DB | Differential analog outputs - routed from selected SxA/SxB pair; maintain common-mode integrity. |
| 10–13 | S4B–S1B | Negative-side analog inputs/outputs - complementary to SxA pins; defines differential pair polarity. |
| 14 | V+ | Positive supply rail input - sets upper analog voltage limit and powers internal logic. |
| 15 | GND | Analog/digital reference ground - requires low-impedance connection to minimize noise coupling. |
Key Features
| Feature | Design Value |
|---|---|
| Symmetrical, bidirectional operation | Enables flexible signal flow - same pin serves as input or output without direction control logic. |
| Latchup-proof CMOS construction | Guarantees no destructive latchup even with power-off input signals - critical for hot-swap or fault-tolerant systems. |
| TTL/CMOS-compatible logic inputs | Accepts standard 0.8V/2.4V logic thresholds - eliminates need for level shifters in mixed-voltage digital control. |
| Plug-in upgrade for DG509A | Same pinout and function as legacy industry-standard part - enables drop-in replacement with improved specs. |
| Low 0.2mA total supply current | Reduces thermal load and extends battery life in portable data loggers and handheld test equipment. |
Applications
| Control Systems | Data-Acquisition Systems |
|---|---|
Use Scenario: Routing multiple sensor outputs (e.g., thermocouples, strain gauges) to a single ADC in PLC I/O modules. IC Role / Device Role / Timing Role: Differential analog multiplexer providing channel isolation and common-mode rejection before digitization. Use Value: Maintains signal integrity across 4 isolated differential pairs with <0.2µs switching transients, reducing cross-talk in noisy industrial environments. | Use Scenario: Scanning 8 analog channels from environmental sensors in a weather station telemetry unit. IC Role / Device Role / Timing Role: High-isolation analog switch enabling sequential sampling of ±10V sensor outputs with minimal leakage-induced drift. Use Value: 0.002nA typical off-leakage prevents >1mV offset accumulation over 10-second sampling intervals in high-impedance pH or gas sensors. |
| Aircraft Heads-Up Displays | Signal Routing |
Use Scenario: Selecting video sync and analog video signals among multiple avionics sources in HUD display controllers. IC Role / Device Role / Timing Role: Fast-switching differential mux ensuring glitch-free video path selection during flight mode transitions. Use Value: 0.4µs enable turn-on time synchronizes with frame-trigger pulses, eliminating visible tearing during source switching. | Use Scenario: Reconfiguring analog signal paths in modular test equipment (e.g., automated calibration benches). IC Role / Device Role / Timing Role: Programmable analog interconnect enabling software-defined instrument topology without hardware changes. Use Value: ±15V analog range and 68dB off-isolation support simultaneous routing of high-level drive signals and low-level feedback loops without interference. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX339CPE+ | Lower on-resistance (100Ω typ), wider temp range (−40°C to +85°C), but only 4-channel single-ended. | Not differential - requires external inversion for true differential routing; better suited for cost-sensitive non-differential systems. | Select MAX339CPE+ when single-ended topology suffices and lower RDS(ON) is prioritized over differential signaling. |
| ADG509AKRZ | Pin-compatible 16-pin SO, ±15V rating, but higher 200Ω on-resistance and 0.5nA off-leakage. | Same differential 4-channel function and footprint - direct physical replacement where tighter leakage specs are not required. | Select ADG509AKRZ when board layout reuse is critical and leakage tolerance >0.1nA is acceptable. |
Compared with DG509ACWE, MAX339CPE+ offers lower conduction loss but lacks differential channel pairing, while ADG509AKRZ provides identical pinout and function at relaxed leakage and resistance specs - making it a layout-compatible alternative where precision is secondary to sourcing continuity.
Availability
DG509ACWE is available at Aetrix Electronics and suitable for control systems, data-acquisition systems, and aircraft heads-up displays requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for DG509ACWE 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, automotive, and communications markets.
The DG509ACWE belongs to Maxim's legacy analog multiplexer product line, engineered for robust, latchup-immune signal routing in harsh environments with wide supply and signal voltage ranges.
FAQ
What is the operating temperature range for the DG509ACWE?
The DG509ACWE is rated for 0°C to +70°C ambient operation. This commercial-grade temperature range is validated per Maxim's ordering information and applies specifically to the DG509ACWE variant with Wide SO packaging. For extended temperature operation, consider DG509AEWE (−40°C to +85°C) or DG509AAK (−55°C to +125°C), which share identical functionality but differ in qualification testing and packaging.
Does the DG509ACWE support single-supply operation?
No, the DG509ACWE requires dual supplies (V+ and V−) to operate correctly. Its specified analog signal range of ±15V and internal CMOS switch architecture depend on symmetric positive and negative rails. While the absolute maximum ratings allow V+ = +44V and V− = 0V, functional operation with usable analog range is only guaranteed under dual-supply conditions from ±4.5V to ±18V, as confirmed in the Electrical Characteristics table.
How does the break-before-make timing work in the DG509ACWE?
The DG509ACWE guarantees a 0.2µs break-before-make interval during channel switching, measured between the turn-off of the previously selected differential pair and the turn-on of the newly selected pair. This timing prevents momentary shorting between channels and is verified under standard test conditions (Figure 3, datasheet Rev 3). The feature is inherent to the monolithic CMOS design and requires no external timing components or control sequencing.
Can the DG509ACWE be used as a direct replacement for the industry-standard DG509A?
Yes, the DG509ACWE is explicitly designated by Maxim as a plug-in upgrade for the DG509A, with identical pinout, function, and timing behavior. It improves upon the legacy part with lower on-resistance (130Ω vs. 170Ω typ), faster enable switching (0.4µs vs. 0.6µs), and significantly lower leakage (0.002nA vs. 0.01nA typ), while maintaining full compatibility in existing DG509A layouts and firmware.
What is the maximum analog signal frequency supported by the DG509ACWE?
The DG509ACWE does not specify a hard bandwidth limit, but its 68dB off-isolation at 500kHz and 12pF drain off-capacitance indicate effective operation up to several hundred kHz. For higher-frequency signals (e.g., >1MHz), performance degrades due to increased crosstalk and reduced isolation - as confirmed by the off-isolation test condition. System-level bandwidth should be validated with actual signal amplitude, source impedance, and load conditions per Figure 1a/b test circuits.
DG509ACWE 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):
- 450Ohm
- Channel-to-Channel Matching (ΔRon):
- 27Ohm
- Voltage - Supply, Single (V+):
- -
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 18V
- Switch Time (Ton, Toff) (Max):
- 1.5µs, 1µs
- -3db Bandwidth:
- -
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- 5pF, 12pF
- Current - Leakage (IS(off)) (Max):
- 1nA
- Crosstalk:
- -
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
DG509ACWE FAQ
1.How can I place an order for DG509ACWE through Aetrix?
Please submit a Request for Quotation (RFQ) for DG509ACWE 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 DG509ACWE reliable?
The price and inventory of DG509ACWE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG509ACWE is usually 5 days.
3.What payment methods are accepted for DG509ACWE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG509ACWE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG509ACWE?
DG509ACWE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG509ACWE 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 DG509ACWE?
For technical support, including DG509ACWE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG509ACWE requirements.
6.How does Aetrix verify that DG509ACWE is sourced from the original manufacturer or authorized distributors?
All DG509ACWE 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 DG509ACWE meets industry standards.
7.What is the process for return or replacement of DG509ACWE?
All DG509ACWE units undergo pre-shipment inspection (PSI). If there is an issue with DG509ACWE, 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 DG509ACWE part is unused and in its original packaging.
Return procedure for DG509ACWE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DG509ACWE 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…
