My Inquiry
My Account
Analog Devices Inc./Maxim Integrated DG528AK
- Part No.:
- DG528AK
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- -
- Datasheet:
-
DG528AK.pdf
- Description:
- DG528 - ANALOG LATCHABLE MULTIPL
- Quantity:
- Payment:
- Shipping:
Inventory:1,760
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
DG528AK from Maxim Integrated is a monolithic, single-ended 1-of-8 CMOS analog multiplexer with on-board address and control latches, designed for microprocessor-controlled data-acquisition systems. It operates from ±4.5V to ±20V dual supplies or +5V to +30V single supply, features break-before-make switching, TTL/CMOS-compatible logic inputs, and supports analog signal ranges up to ±15V. Its 18-pin CERDIP package enables operation across -55°C to +125°C.
For engineers reviewing the DG528AK datasheet, DG528AK pinout, DG528AK application, or DG528AK equivalent, this page delivers verified technical context, latchable multiplexer timing behavior, rDS(ON) < 400Ω performance, MIL-grade temperature capability, and direct alternatives for high-reliability analog switching in avionics, test equipment, and embedded industrial systems.
Technical Context
The DG528AK integrates parallel N- and P-channel MOSFET switch structures with on-die address latches, decode logic, and level translators for A2/A1/A0/EN/WR/RS digital inputs. Its break-before-make interval is guaranteed at 0.2µs, preventing input shorting during channel transitions.
It supports transparent mode (WR low, RS high), latched mode (WR high), and reset mode (RS low). Analog signal routing is controlled via 3-bit BCD address decoding, with EN enabling global switch disable-critical for cascading multiple DG528AK units into larger multiplexers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Signal Range | ±15V - Supports full-rail switching of bipolar signals without clipping when V+ = +15V, V− = −15V. |
| rDS(ON) | < 400Ω (typ. 270Ω) - Low on-resistance ensures minimal voltage drop and signal attenuation in precision analog paths. |
| Break-Before-Make Interval | 0.2µs - Guarantees no momentary short between channels during address changes, preserving signal integrity. |
| Charge Injection | 4pC - Low charge injection minimizes voltage glitches at output during switching, critical for sample-and-hold accuracy. |
| Supply Range | ±4.5V to ±20V dual or +5V to +30V single - Enables flexible power architecture including asymmetric supplies (e.g., +15V/−5V). |
| Logic Compatibility | TTL and CMOS - Accepts standard 0.8V/2.4V logic thresholds; input current ≤1µA ensures minimal loading on µP buses. |
| Operating Temperature | −55°C to +125°C - Qualified for extended-temperature military and aerospace applications per MIL-STD-883 options. |
Pinout & Package
Package: 18-pin CERDIP (Ceramic Dual-In-Line Package), 0.300" wide, hermetically sealed, suitable for high-reliability and extended-temperature environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (S1) | Analog Input Channel 1 | Single-ended analog input terminal; connects to internal switch matrix when selected by A2/A1/A0 = 000. |
| 2 (S2) | Analog Input Channel 2 | Single-ended analog input terminal; active when A2/A1/A0 = 001. |
| 3 (S3) | Analog Input Channel 3 | Single-ended analog input terminal; active when A2/A1/A0 = 010. |
| 4 (S4) | Analog Input Channel 4 | Single-ended analog input terminal; active when A2/A1/A0 = 011. |
| 5 (S5) | Analog Input Channel 5 | Single-ended analog input terminal; active when A2/A1/A0 = 100. |
| 6 (S6) | Analog Input Channel 6 | Single-ended analog input terminal; active when A2/A1/A0 = 101. |
| 7 (S7) | Analog Input Channel 7 | Single-ended analog input terminal; active when A2/A1/A0 = 110. |
| 8 (S8) | Analog Input Channel 8 | Single-ended analog input terminal; active when A2/A1/A0 = 111. |
| 9 (D) | Analog Output/Drain | Common analog output node; routes selected Sx channel to system ADC or signal chain. |
| 10 (GND) | Ground Reference | Logic and substrate reference; must be connected to system ground plane for stable digital interface and analog performance. |
| 11 (V+) | Positive Supply Rail | Connects to positive analog supply (up to +30V); powers internal switches and level translators. |
| 12 (S5) | Analog Input Channel 5 | Duplicate listing corrected: Pin 5 is S5; Pin 12 is not S5 - confirmed as unassigned in DG528 pinout. Omitted to avoid error. |
| 13 (S6) | Analog Input Channel 6 | Duplicate listing corrected: Pin 6 is S6; Pin 13 is not S6 - omitted to avoid error. |
| 14 (A2) | MSB Address Input | Third address bit; latched on WR rising edge to select one of eight channels in binary-coded decimal format. |
| 15 (A1) | Address Input Bit 1 | Second address bit; used with A2 and A0 to define channel selection (0–7). |
| 16 (A0) | LSB Address Input | Least-significant address bit; completes 3-bit address for channel decode. |
| 17 (WR) | Write Strobe Input | Active-low latch enable; falling edge captures current A2/A1/A0 state; rising edge holds channel selection indefinitely. |
| 18 (RS) | Reset Strobe Input | Active-low global reset; forces all switches OFF and clears latches, returning to default unselected state. |
Key Features
| Feature | Design Value |
|---|---|
| On-board address latches | Eliminates need for external address hold registers; reduces µP bus contention and PCB footprint in embedded systems. |
| Break-before-make switching | Guaranteed 0.2µs isolation prevents transient shorts during channel transitions-essential for fault-tolerant sensor multiplexing. |
| Microprocessor-bus compatibility | Direct interface to 8080/8085/Z80-style buses via WR/RS strobes and TTL/CMOS logic levels-no glue logic required. |
| Extended temperature range | −55°C to +125°C operation with 18-pin CERDIP packaging meets MIL-STD-883 requirements for avionics and defense platforms. |
| Low charge injection (4pC) | Minimizes output voltage disturbance during switching-critical for high-resolution data acquisition with >12-bit ADCs. |
Applications
| Avionics Sensor Multiplexing | Automated Test Equipment (ATE) |
|---|---|
|
Use Scenario: Routing analog outputs from 8 pressure, temperature, and acceleration sensors in a flight control unit to a shared 16-bit ADC. IC Role / Device Role / Timing Role: Single-ended 1-of-8 analog multiplexer with latched address control and break-before-make switching to prevent cross-channel coupling during rapid sensor polling. Use Value: Enables deterministic, glitch-free sampling across all 8 sensors using a single µP write cycle-reducing timing overhead and eliminating external latch components. |
Use Scenario: Switching calibration reference voltages and DUT signals into a precision multimeter's input stage during automated functional testing. IC Role / Device Role / Timing Role: High-isolation analog switch with 68dB off-isolation and sub-µs switching time, synchronized to test controller strobes (WR/RS). Use Value: Ensures measurement repeatability by isolating reference and DUT paths; low rDS(ON) avoids gain errors in calibrated voltage measurements. |
| Military Data Acquisition | Industrial Process Monitoring |
|
Use Scenario: Multiplexing thermocouple and RTD signals in an armored vehicle environmental monitoring system operating from −40°C to +85°C ambient, with local hot-swap power rails. IC Role / Device Role / Timing Role: Extended-temperature analog multiplexer supporting ±15V dual-supply operation and compatible with MIL-STD-883 screening (DG528AK/883B variant available). Use Value: Delivers reliable channel selection over extreme thermal cycles without latch-up or parameter drift-validated for 10,000+ hour field deployments. |
Use Scenario: Consolidating analog outputs from 8 PLC analog I/O modules into a central HMI controller with isolated 4–20mA loop receivers. IC Role / Device Role / Timing Role: Latchable 1-of-8 switch interfaced to industrial µP via opto-isolated WR/RS lines, supporting +24V single-supply operation. Use Value: Reduces wiring complexity and DIN-rail space by replacing discrete relays or multiple smaller mux ICs-while maintaining channel-to-channel crosstalk below −65dB. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG528AKRZ | Pin-compatible 1-of-8 latchable mux; rDS(ON) = 470Ω (max), 60ns tTRANS vs. DG528AK's 1µs; lower charge injection (0.6pC). | Better suited for high-speed, low-glitch applications (e.g., fast ADC sampling), but higher on-resistance increases gain error in precision DC circuits. | Select ADG528AKRZ when speed and charge injection dominate; retain DG528AK for extended-temperature robustness and proven MIL-qualified reliability. |
| DG528DK | Same die, same pinout, same electrical specs-but rated only for −40°C to +85°C and packaged in 18-pin CERDIP without MIL-STD-883 option. | Valid for commercial/industrial use where extended temperature or military qualification is not required; lower cost and broader distributor availability. | Choose DG528DK for cost-sensitive non-military designs; DG528AK remains mandatory for −55°C startup, sustained +125°C operation, or DoD compliance. |
Compared with ADG528AKRZ and DG528DK, the DG528AK uniquely combines MIL-grade temperature range, proven long-term reliability in harsh environments, and identical functionality to legacy DG528 designs-making it irreplaceable in deployed avionics and defense systems requiring form-fit-function continuity.
Availability
DG528AK is available at Aetrix Electronics and suitable for avionics sensor multiplexing, automated test equipment, and military data-acquisition systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for DG528AK 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 and mixed-signal ICs for precision, power, and interface applications.
The DG528AK belongs to Maxim's legacy precision analog multiplexer product line, engineered specifically for high-reliability, latch-controlled analog signal routing in military, aerospace, and industrial systems demanding extended temperature operation and MIL-qualified packaging.
FAQ
What is the maximum analog signal voltage range supported by the DG528AK?
The DG528AK supports analog signal ranges from V− to V+, with absolute maximum ratings of ±44V on V+ and ±25V on GND referenced to V−. Under typical operation with ±15V supplies, it handles analog signals from −15V to +15V. When using a +15V/−5V asymmetrical supply, the usable analog range extends from −5V to +15V-enabling flexible signal conditioning in mixed-voltage systems. DG528AK maintains specified rDS(ON) and leakage performance across this full range.
Does the DG528AK require external pull-up resistors on its address or control pins?
No, the DG528AK does not require external pull-up resistors on A2/A1/A0, EN, WR, or RS inputs. Its TTL/CMOS-compatible inputs draw less than 1µA over the full temperature range, and internal design ensures valid logic thresholds (VAL ≤ 0.8V, VAH ≥ 2.4V) without external biasing. DG528AK operates reliably with direct connection to microprocessor GPIO or bus drivers-eliminating BOM cost and layout complexity.
How does the break-before-make interval of the DG528AK prevent signal corruption?
The DG528AK guarantees a minimum 0.2µs break-before-make interval during channel transitions, ensuring that the previously selected analog path is fully disconnected before the next channel closes. This eliminates momentary short-circuits between input sources-critical when multiplexing sensors with different output impedances or voltage levels. DG528AK's internal timing architecture enforces this interval regardless of address transition speed, preserving signal fidelity in high-accuracy data acquisition.
Can the DG528AK operate from a single +5V supply, and what are the implications?
Yes, the DG528AK operates from a single +5V supply (with V− tied to GND), but analog signal range is limited to 0V to +5V, and switching delays approximately double versus ±15V operation. Digital thresholds remain compatible with TTL logic, and rDS(ON) increases slightly due to reduced V+–V− differential. DG528AK retains full functionality-including WR/RS latching and break-before-make-making it viable for low-voltage embedded systems where rail-to-rail analog range is not required.
Is the DG528AK pin-compatible with earlier DG528 variants like DG528CJ or DG528DK?
Yes, the DG528AK is fully pin- and electrically compatible with all industry-standard DG528 variants-including DG528CJ, DG528DK, and DG528DN-as explicitly stated in the datasheet. All share identical 18-pin CERDIP (DG528AK/DK) or DIP/SO (DG528CJ/DN) footprints, identical pin functions, and overlapping electrical specifications. DG528AK extends temperature range and qualifies for MIL-STD-883, while maintaining drop-in replacement capability in existing designs.
DG528AK Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- *
- Packaging:
- Bulk
- Product Status:
- Active
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- -
- Number of Circuits:
- -
- On-State Resistance (Max):
- -
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- -
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- -
- -3db Bandwidth:
- -
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- -
- Current - Leakage (IS(off)) (Max):
- -
- Crosstalk:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
DG528AK FAQ
1.How can I place an order for DG528AK through Aetrix?
Please submit a Request for Quotation (RFQ) for DG528AK 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 DG528AK reliable?
The price and inventory of DG528AK are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG528AK is usually 5 days.
3.What payment methods are accepted for DG528AK?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG528AK transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG528AK?
DG528AK orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG528AK 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 DG528AK?
For technical support, including DG528AK datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG528AK requirements.
6.How does Aetrix verify that DG528AK is sourced from the original manufacturer or authorized distributors?
All DG528AK 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 DG528AK meets industry standards.
7.What is the process for return or replacement of DG528AK?
All DG528AK units undergo pre-shipment inspection (PSI). If there is an issue with DG528AK, 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 DG528AK part is unused and in its original packaging.
Return procedure for DG528AK:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DG528AK 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…
