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Analog Devices Inc./Maxim Integrated MAX306C/D
- Part No.:
- MAX306C/D
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- Die
- Datasheet:
-
MAX306C/D.pdf
- Description:
- IC MUX 16:1 100OHM DIE
- Quantity:
- Payment:
- Shipping:
Inventory:4,204
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Product details
Overview
MAX306C/D from Maxim Integrated is a precision, single-ended 1-of-16 CMOS analog multiplexer designed for high-fidelity signal routing in precision instrumentation and test systems. It delivers <100Ω on-resistance (typ. 60Ω), <5Ω channel-to-channel matching, <10pC charge injection, rail-to-rail analog signal handling (±15V dual or 0–12V single supply), and operates across 0°C to +70°C.
For engineers reviewing the MAX306C/D datasheet, MAX306C/D pinout, MAX306C/D application, or MAX306C/D equivalent, key selection criteria include guaranteed on-resistance flatness (≤7Ω), sub-2.5nA NO off-leakage at +85°C, TTL/CMOS-compatible enable/address logic, and plug-in compatibility with DG406/DG506A-critical for legacy system upgrades and low-drift sample-and-hold designs.
Technical Context
The MAX306C/D implements a monolithic CMOS decoder-multiplexer architecture with integrated level-shifting circuitry enabling direct TTL/CMOS logic interfacing while operating from ±4.5V to ±20V or +5V to +30V supplies. Its silicon-gate process ensures electrostatic discharge protection >2000V and guarantees break-before-make switching with ≤40ns interval.
All 16 normally-open (NO) inputs are bidirectional and share a common COM terminal; address decoding is performed by four binary inputs (A0–A3) plus an active-high EN pin. The device maintains <125Ω max on-resistance over full temperature range and exhibits <10pC charge injection-enabling accurate settling in precision data acquisition paths without external correction.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance (RON) | <100Ω max at +25°C; ensures minimal signal attenuation and gain error in sensor front-ends and DAC output routing. |
| On-resistance match (ΔRON) | <5Ω max between channels; enables precise ratiometric measurements and matched channel calibration in multi-sensor systems. |
| Charge injection (Q) | <10pC max; reduces voltage glitch and settling time in sample-and-hold circuits and ADC input buffers. |
| NO off-leakage (INO(OFF)) | <2.5nA at +85°C; preserves accuracy in high-impedance transducer interfaces and battery-powered metering. |
| Analog signal range | ±15V (dual supply) or 0–12V (single supply); supports rail-to-rail operation across industrial and military voltage rails. |
| Switching speed (tTRANS) | <250ns transition time; suitable for multiplexed data acquisition up to ~1MHz effective sampling rate. |
| ESD protection | >2000V HBM; enhances robustness during board handling and in-field maintenance without external protection. |
Pinout & Package
Dice form factor - bare die without leadframe or molded package; intended for hybrid microcircuit assembly or custom hermetic module integration. Requires wire bonding to substrate pads per manufacturer's die layout specification.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive supply voltage input | Accepts +5V to +30V (single) or up to +20V (bipolar); must be powered before V− to prevent latch-up. |
| V− | Negative supply voltage input | Accepts −4.5V to −20V (bipolar); connects to GND in single-supply mode; sequencing critical for ESD safety. |
| COM | Common analog output terminal | Bidirectional path shared by all 16 channels; routed to downstream amplifier, ADC, or filter stage. |
| NO1–NO16 | Analog input terminals | 16 bidirectional, low-leakage, low-capacitance inputs; each independently selectable via A0–A3 and EN. |
| A0–A3 | Binary address inputs | 4-bit parallel select lines; compatible with TTL/CMOS logic levels (0.8V/2.4V thresholds). |
| EN | Enable input | Active-high control; disables all switches when low, reducing leakage and power consumption. |
| GND | Ground reference | Logic and analog ground return; must be low-impedance and separated from noisy digital planes in mixed-signal layouts. |
| N.C. | No internal connection | Pins 2, 3, 13 are unconnected die bond pads; must be left floating or tied to GND per assembly guidelines. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog signals spanning full supply rails (e.g., ±15V), eliminating level-shifting needs in wide-dynamic-range systems. |
| Guaranteed on-resistance flatness | ≤7Ω variation across entire analog input range (±10V), ensuring consistent gain and linearity in programmable gain amplifiers. |
| Plug-in upgrade for DG406/DG506A | Pin- and function-compatible replacement with superior specs: lower RON, tighter matching, and reduced charge injection. |
| Low power consumption | <1.25mW typical quiescent power enables use in portable and energy-constrained embedded instrumentation. |
| TTL/CMOS logic compatibility | Direct interface with microcontrollers and FPGAs without level translators-reducing BOM count and layout complexity. |
Applications
| Sample-and-Hold Circuits | Test Equipment |
|---|---|
Use Scenario: Multiplexing multiple sensor outputs into a single high-precision sample-and-hold amplifier prior to ADC conversion. IC Role / Device Role / Timing Role: Precision analog switch selecting one of 16 transducer signals with minimal charge injection and on-resistance drift. Use Value: Enables 16-channel simultaneous sampling with <10pC injection-induced error and <5Ω channel matching for calibrated multichannel DAQ. |
Use Scenario: Automated test equipment requiring reconfigurable signal routing between DUT ports, sources, and measurement instruments. IC Role / Device Role / Timing Role: High-isolation (−69dB off-isolation), fast-switching (≤250ns) multiplexer managing stimulus/response paths in PXI or benchtop platforms. Use Value: Supports rapid channel scanning (<1µs per switch) with negligible crosstalk (−92dB) and stable on-resistance across temperature for traceable metrology-grade results. |
| Military Radios | Battery-Operated Systems |
Use Scenario: Signal conditioning and antenna diversity switching in ruggedized HF/VHF tactical radios operating across −40°C to +85°C. IC Role / Device Role / Timing Role: Radiation-tolerant, high-ESD (>2000V) analog mux routing RF front-end filters, LNAs, and modulators under extreme environmental stress. Use Value: Maintains <2.5nA leakage at +85°C and survives MIL-STD-883 handling-ensuring long-term reliability in field-deployed comms hardware. |
Use Scenario: Low-power portable medical monitors or handheld meters multiplexing biopotential electrodes, thermistors, and battery voltage sensing. IC Role / Device Role / Timing Role: Ultra-low-quiescent-current (75µA max) analog switch enabling >100-hour battery life while preserving µV-level signal integrity. Use Value: Delivers <1.25mW power draw and rail-to-rail operation from a single 9V or Li-ion cell-eliminating need for auxiliary regulators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX306CPI | Same die, packaged in 28-pin PDIP; includes full thermal and mechanical qualification for through-hole prototyping and legacy PCBs. | Requires socket or wave soldering; not suitable for space-constrained SMT production or hermetic modules. | Select MAX306CPI for lab validation, repair, or systems where manual assembly or socket-based rework is required. |
| ADG406BRUZ | 16-channel CMOS mux from Analog Devices; higher on-resistance (120Ω typ), wider temp range (−40°C to +85°C), but no guaranteed flatness spec. | Better suited for general-purpose routing where precision matching is secondary to extended temperature operation. | Choose ADG406BRUZ only if extended temperature rating is mandatory and on-resistance matching tolerance can be relaxed beyond 5Ω. |
Compared with MAX306C/D, MAX306CPI offers identical electrical performance in a manufacturable through-hole package, while ADG406BRUZ trades guaranteed flatness and low charge injection for broader temperature coverage-making MAX306C/D optimal for precision, low-glitch, and legacy-compatible designs.
Availability
MAX306C/D is available at Aetrix Electronics and suitable for precision instrumentation, military communications, and battery-operated test equipment requiring stable component supply across extended product lifecycles.
Supply support for MAX306C/D 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, mixed-signal, and power management ICs for demanding industrial, automotive, and communications applications.
The MAX306C/D belongs to Maxim's precision analog multiplexer family, engineered specifically for low-error signal routing in test & measurement, avionics, and medical instrumentation where on-resistance matching and charge injection are critical.
FAQ
What is the maximum allowable supply voltage for MAX306C/D?
The MAX306C/D supports bipolar supplies from ±4.5V to ±20V and single supplies from +5V to +30V. Absolute maximum ratings specify V+ to V− differential must not exceed +44V. Exceeding these limits risks permanent damage, and proper sequencing (V+ first, then V−, then logic) is required to avoid latch-up. The MAX306C/D datasheet confirms these ranges under Absolute Maximum Ratings.
Does MAX306C/D require external level shifters for TTL/CMOS logic inputs?
No, MAX306C/D features native TTL- and CMOS-compatible digital inputs: logic "0" is defined as ≤0.8V and logic "1" as ≥2.4V, matching standard 5V logic families without translation. This eliminates external level shifters in microcontroller- or FPGA-driven systems. The MAX306C/D truth table and Electrical Characteristics section explicitly confirm this compatibility.
Can MAX306C/D operate from a single +12V supply?
Yes, MAX306C/D operates from +5V to +30V single supply-connect V− to GND and apply +12V to V+. In this configuration, the analog signal range is 0V to +12V (rail-to-rail), with on-resistance rising to 175Ω max. The MAX306C/D Electrical Characteristics table (Single Supply section) validates performance at +12V with specified RON, leakage, and timing.
What is the significance of "Dice*" in the MAX306C/D ordering information?
"Dice*" indicates MAX306C/D is supplied as unpackaged silicon die-not in a plastic, ceramic, or SOIC package. It requires wire bonding to a substrate and is intended for hybrid assemblies, custom modules, or high-reliability hermetic packaging. The MAX306C/D datasheet notes "Contact factory for dice specifications," confirming its bare-die form factor and specialized use case.
How does MAX306C/D compare to DG406 in terms of on-resistance matching?
MAX306C/D guarantees ≤5Ω on-resistance matching between channels, whereas DG406 specifies only ≤15Ω. This 3× tighter matching enables higher-accuracy ratiometric measurements and reduces calibration overhead in multichannel systems. The MAX306C/D datasheet explicitly positions it as a "plug-in upgrade" with improved ΔRON, confirmed in the Benefits and Features table.
MAX306C/D Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 16:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 100Ohm
- Channel-to-Channel Matching (ΔRon):
- 1.5Ohm
- Voltage - Supply, Single (V+):
- 5V ~ 30V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 200ns, 150ns
- -3db Bandwidth:
- -
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 8pF, 130pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -92dB @ 100kHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- Die
MAX306C/D FAQ
1.How can I place an order for MAX306C/D through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX306C/D 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 MAX306C/D reliable?
The price and inventory of MAX306C/D are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX306C/D is usually 5 days.
3.What payment methods are accepted for MAX306C/D?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX306C/D transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX306C/D?
MAX306C/D orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX306C/D 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 MAX306C/D?
For technical support, including MAX306C/D datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX306C/D requirements.
6.How does Aetrix verify that MAX306C/D is sourced from the original manufacturer or authorized distributors?
All MAX306C/D 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 MAX306C/D meets industry standards.
7.What is the process for return or replacement of MAX306C/D?
All MAX306C/D units undergo pre-shipment inspection (PSI). If there is an issue with MAX306C/D, 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 MAX306C/D part is unused and in its original packaging.
Return procedure for MAX306C/D:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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