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Analog Devices Inc./Maxim Integrated MAX336CAI+T
- Part No.:
- MAX336CAI+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 28-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
MAX336CAI+T.pdf
- Description:
- IC MUX 16:1 400OHM 28SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,636
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Product details
Overview
MAX336CAI+T from Maxim Integrated is a 16-channel single-ended CMOS analog multiplexer designed to route one of 16 bidirectional analog inputs to a common COM output under 4-bit binary address control. It features 400Ω max on-resistance, <20pA NO-off leakage at +25°C, 3.5pC typical charge injection, and operates from +4.5V to +30V single supply or ±4.5V to ±20V dual supplies. It is used in precision data acquisition systems requiring low signal distortion and rail-to-rail signal handling.
For engineers reviewing the MAX336CAI+T datasheet, MAX336CAI+T pinout, MAX336CAI+T application, or MAX336CAI+T equivalent, key selection criteria include guaranteed low leakage across temperature, TTL/CMOS-compatible control inputs, ESD protection >2000V, and compatibility with legacy DG506/DG507 designs in SSOP-28 footprint.
Technical Context
The MAX336CAI+T implements a monolithic BiCMOS decoder-driven analog switch matrix with break-before-make switching and rail-to-rail signal capability. Its 4-bit address decoding (A0–A3) and active-high enable (EN) support both multiplexing and demultiplexing configurations without external logic.
It guarantees bidirectional conduction with matched on-resistance (<10Ω channel-to-channel variation), low charge injection (3.5pC typ), and sub-nanosecond transition time (500ns max), enabling high-fidelity signal routing in DC-coupled precision measurement paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance | 400Ω max at TA = +25°C; ensures minimal voltage drop and gain error in low-current sensor/DAQ paths |
| NO-Off Leakage Current | <20pA at +25°C; preserves accuracy in high-impedance front-end circuits like strain gauge amplifiers |
| Charge Injection | 3.5pC typical; limits settling error and glitch amplitude when switching DC or low-frequency signals |
| Supply Range | +4.5V to +30V single or ±4.5V to ±20V dual; supports industrial sensors, ±15V op-amp rails, and battery-powered systems |
| Transition Time | 500ns max; enables reliable sampling of signals up to ~300kHz without inter-channel crosstalk-induced timing skew |
| ESD Protection | >2000V per Method 3015.7; reduces need for external TVS diodes in test equipment and field-deployable instruments |
| Logic Compatibility | TTL/CMOS inputs (0.8V–2.4V thresholds) over full temp range; interfaces directly with microcontrollers and FPGAs without level shifters |
Pinout & Package
MAX336CAI+T is housed in a 28-pin SSOP (Shrink Small Outline Package) with 0.65mm pitch, RoHS-compliant lead-free finish, and thermal pad omitted. The package measures 10.2mm × 5.3mm × 1.95mm (L×W×H) and is rated for 0°C to +70°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive supply input | Bias source for internal CMOS switches; must be ≥+4.5V and ≤+30V (single) or ≤+44V differential vs V− |
| V− | Negative supply input | Reference for negative rail operation; connect to GND for single-supply use; supports ±4.5V to ±20V |
| GND | Logic ground reference | Return path for digital control circuitry; separate from analog signal ground but tied at system star point |
| COM | Common analog output terminal | Bidirectional node connected to selected NOx channel; handles rail-to-rail analog signals up to ±15V |
| NO1–NO16 | Analog input terminals | 16 independent bidirectional analog ports; each electrically identical and interchangeable with COM |
| A0–A3 | Binary address inputs | 4-bit code selects which NOx connects to COM; valid states 0000–1111 (NO1–NO16); no internal pull-ups/downs |
| EN | Active-high enable input | When low, all switches open (high-Z); when high, address decoding active; TTL/CMOS compatible |
| N.C. | No internal connection | Pins 2, 3, 13, and 28 are unconnected die pads; must be left floating or grounded per PCB layout best practices |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog signals from V− to V+ without clipping-critical for ±10V sensor outputs and DAC buffers |
| Guaranteed low charge injection | 3.5pC typical ensures <1LSB error in 16-bit SAR ADC sample-and-hold stages using external hold capacitors |
| Pin-compatible DG506 upgrade | Direct replacement for industry-standard DG506 in SSOP-28 footprint-no PCB redesign required |
| Bidirectional channel matching | <10Ω on-resistance match between channels minimizes gain mismatch in multi-channel calibration systems |
| High off-isolation | −82dB at 100kHz prevents signal bleed-through in high-density test fixture routing matrices |
Applications
| Automated Test Equipment (ATE) | Precision Data Acquisition Systems |
|---|---|
Use Scenario: Routing multiple DUT sensor outputs to shared digitizer channels in semiconductor wafer probers. IC Role / Device Role / Timing Role: 16:1 analog multiplexer enabling sequential sampling of thermocouples, RTDs, and bridge sensors. Use Value: Sub-20pA off-leakage prevents cross-talk-induced offset drift during high-impedance measurements. | Use Scenario: Front-end signal conditioning in 16-bit medical ECG monitors with programmable gain and channel selection. IC Role / Device Role / Timing Role: Low-charge-injection analog switch selecting electrode pairs before instrumentation amplifier input. Use Value: 3.5pC charge injection limits baseline wander to <5µV in DC-coupled biopotential acquisition. |
| Industrial Process Control | Calibration & Metrology Equipment |
Use Scenario: Multiplexing 4–20mA current loop transmitters and RTD inputs into a central PLC analog input module. IC Role / Device Role / Timing Role: High-voltage-tolerant analog mux interfacing field sensors to isolated ADC drivers. Use Value: ±20V dual-supply operation accommodates industrial signal ranges without external level-shifting. | Use Scenario: Automated calibration of multimeter reference standards by switching between precision voltage sources and DMM inputs. IC Role / Device Role / Timing Role: Low-leakage, low-RON switch ensuring traceable transfer of mV-level references without loading error. Use Value: 400Ω max RON and <10Ω matching maintain calibration accuracy across all 16 reference channels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX336CWI+ | Same electrical specs; packaged in 28-pin Wide SO (W28+6) instead of SSOP (A28+1); 15.4mm × 7.6mm body vs 10.2mm × 5.3mm | Preferred where board space allows larger footprint and thermal dissipation is prioritized over density | Select MAX336CWI+ when SO package mechanical robustness or hand-solderability outweighs SSOP's space savings. |
| DG506AKN | Higher on-resistance (500Ω max), higher charge injection (15pC), no guaranteed ESD rating; not RoHS-compliant | Limited to cost-sensitive, non-metrology applications where leakage <100pA is acceptable | Choose DG506AKN only for legacy repair or non-critical signal routing where MAX336CAI+T's performance margins are unnecessary. |
Compared with MAX336CWI+, MAX336CAI+T offers identical functionality in a smaller SSOP package ideal for space-constrained portable instruments; compared with DG506AKN, it delivers superior leakage, charge injection, and ESD robustness essential for precision metrology-grade designs.
Availability
MAX336CAI+T is available at Aetrix Electronics and suitable for precision data acquisition, automated test equipment, and industrial process control applications requiring stable component supply and long-term manufacturability.
Supply support for MAX336CAI+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 markets.
The MAX336 product line was engineered specifically for low-leakage, low-charge-injection analog signal routing in precision measurement and test instrumentation-prioritizing DC accuracy, signal integrity, and ruggedness over speed or integration density.
FAQ
What is the maximum allowable supply voltage difference between V+ and V− for MAX336CAI+T?
The absolute maximum rating specifies that the voltage difference between V+ and V− must not exceed 44V. This allows flexible configurations such as +24V/−5V or ±20V, but operation beyond ±20V dual or +30V single supply is not guaranteed. Exceeding 44V differential risks permanent damage. MAX336CAI+T maintains full specification compliance within ±4.5V to ±20V dual or +4.5V to +30V single supply ranges.
Does MAX336CAI+T support true bidirectional analog signal flow?
Yes, MAX336CAI+T supports fully bidirectional analog signal routing: any NOx pin can serve as input or output relative to COM, with identical on-resistance, leakage, and bandwidth in both directions. This is confirmed by its rail-to-rail® signal handling specification and symmetric electrical characteristics (e.g., COM-on and NO-on leakage both <50pA). MAX336CAI+T requires no direction-control pins or external biasing to achieve this behavior.
Can MAX336CAI+T operate with unbalanced supplies like +12V and −5V?
Yes, MAX336CAI+T supports unbalanced supplies-for example, +12V on V+ and −5V on V−-as long as the total differential (17V) stays within the 44V absolute maximum and each supply remains within its respective rating (V+ ≥ +4.5V, V− ≤ −4.5V for dual-mode operation). Analog signal range becomes V− to V+, so in this case it would be −5V to +12V. MAX336CAI+T retains full functionality and specified leakage/performance under such conditions.
Is the SSOP-28 package of MAX336CAI+T RoHS-compliant and lead-free?
Yes, the "+" suffix in MAX336CAI+T explicitly denotes a lead(Pb)-free and RoHS-compliant package per Maxim Integrated's ordering nomenclature. The SSOP-28 (package code A28+1) uses matte tin lead finish and meets JEDEC J-STD-020 moisture sensitivity level 3 (MSL-3) requirements. MAX336CAI+T is qualified for reflow soldering at peak temperature +260°C and has a storage life of 12 months at ≤30°C/60% RH when sealed.
How does the enable (EN) pin function in MAX336CAI+T?
The EN pin is an active-high digital control input: when EN = low (≤0.8V), all 16 analog switches are open (high-impedance state), regardless of address inputs; when EN = high (≥2.4V), the A0–A3 address bits determine which NOx connects to COM. EN is TTL/CMOS-compatible across the full temperature range and draws <1μA. MAX336CAI+T requires no external pull-up or pull-down on EN for reliable operation.
MAX336CAI+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 16:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 400Ohm
- Channel-to-Channel Matching (ΔRon):
- 5Ohm
- Voltage - Supply, Single (V+):
- 4.5V ~ 20V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 500ns, 500ns
- -3db Bandwidth:
- -
- Charge Injection:
- 3.5pC
- Channel Capacitance (CS(off), CD(off)):
- 2pF, 20pF
- Current - Leakage (IS(off)) (Max):
- 20pA
- Crosstalk:
- -86dB @ 100kHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 28-SSOP
MAX336CAI+T FAQ
1.How can I place an order for MAX336CAI+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX336CAI+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 MAX336CAI+T reliable?
The price and inventory of MAX336CAI+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX336CAI+T is usually 5 days.
3.What payment methods are accepted for MAX336CAI+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX336CAI+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX336CAI+T?
MAX336CAI+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX336CAI+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 MAX336CAI+T?
For technical support, including MAX336CAI+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX336CAI+T requirements.
6.How does Aetrix verify that MAX336CAI+T is sourced from the original manufacturer or authorized distributors?
All MAX336CAI+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 MAX336CAI+T meets industry standards.
7.What is the process for return or replacement of MAX336CAI+T?
All MAX336CAI+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX336CAI+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 MAX336CAI+T part is unused and in its original packaging.
Return procedure for MAX336CAI+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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