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Analog Devices Inc./Maxim Integrated MAX312ESE-T
- Part No.:
- MAX312ESE-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX312ESE-T.pdf
- Description:
- IC SWITCH SPST-NCX4 10OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,915
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Product details
Overview
MAX312ESE-T from Maxim Integrated is a quad, normally closed (NC), single-pole/single-throw (SPST) CMOS analog switch optimized for precision signal routing in bipolar and single-supply systems. It delivers 6.5Ω typical on-resistance, 1.5Ω max on-resistance matching between channels, rail-to-rail signal handling up to ±15V, and 2.5nA max off-leakage at +85°C - enabling low-distortion audio switching and high-fidelity data acquisition.
For engineers reviewing the MAX312ESE-T datasheet, MAX312ESE-T pinout, MAX312ESE-T application, or MAX312ESE-T equivalent, key selection criteria include guaranteed RON flatness (2Ω max), >96dB crosstalk at 20kHz, ESD tolerance >2000V per Method 3015.7, and compatibility with +4.5V to +30V single or ±4.5V to ±20V dual supplies.
Technical Context
The MAX312ESE-T implements a fully complementary CMOS transmission-gate architecture with integrated level-shifting circuitry, enabling logic-level control (VL = 5V) independent of analog supply rails. Its symmetrical conduction supports bidirectional signal flow with minimal THD across audio and instrumentation bands.
Designed for operation over -40°C to +85°C, it guarantees RON matching and leakage performance across full temperature and voltage ranges, with break-before-make timing only applicable to the MAX314 variant - not the MAX312ESE-T.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 6.5Ω typical; ensures minimal signal attenuation and voltage drop in precision analog paths. |
| RON Matching | 1.5Ω max between channels; enables matched gain/phase response in multi-channel routing or differential signal paths. |
| Analog Signal Range | ±10V with ±15V supplies; supports rail-to-rail operation without clipping in industrial and test equipment interfaces. |
| Off-Leakage Current | 2.5nA max at +85°C; preserves accuracy in high-impedance sample-and-hold and sensor front-end circuits. |
| Crosstalk | >96dB at 20kHz; prevents audible interference in stereo audio routing and channel isolation in DAQ systems. |
| ESD Protection | >2000V per Method 3015.7; enhances robustness during board handling and system integration without external protection. |
| Supply Range | +4.5V to +30V single or ±4.5V to ±20V dual; simplifies power architecture in mixed-signal systems with varied rail requirements. |
Pinout & Package
MAX312ESE-T is housed in a 16-pin narrow SOIC (SO) package (body width 3.9mm), RoHS-compliant and moisture-sensitive level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8, 9, 16 | IN1–IN4 | Logic-level inputs controlling NC switch states; active-low logic sense (IN = 0V → switch closed). |
| 2, 7, 10, 15 | COM1–COM4 | Analog common terminals; carry bidirectional signals when corresponding NC switch is closed. |
| 3, 6, 11, 14 | NC1–NC4 | Normally closed analog terminals; shorted to COM pins when IN = 0V; open when IN = high. |
| 4 | V− | Negative analog supply input; tied to GND for single-supply operation (+4.5V to +30V). |
| 5 | GND | Logic ground reference; separate from analog V− but must be connected in single-supply configurations. |
| 12 | VL | Logic supply input; accepts 5V TTL/CMOS levels independent of analog supply rails. |
| 13 | V+ | Positive analog supply input; defines upper rail for analog signal range and RON performance. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-Rail® Signal Handling | Supports analog signals from V− to V+ without distortion or clipping - critical for full-scale sensor and audio signals. |
| Guaranteed RON Flatness | 2Ω max variation over ±10V signal range - maintains consistent gain and linearity across amplitude swings. |
| Low Charge Injection | ±30pC max - minimizes voltage glitches in sample-and-hold and multiplexed ADC front-ends. |
| Pin Compatibility | Direct replacement for DG411 - enables drop-in upgrade in legacy designs without layout changes. |
| High Off Isolation | −65dB at 1MHz - suppresses crosstalk between inactive channels in dense routing applications. |
Applications
| Audio Signal Routing | Test Equipment Switching |
|---|---|
|
Use Scenario: Selecting between multiple microphone or line-level inputs in professional audio mixers. IC Role / Device Role / Timing Role: Normally closed analog switch providing low-noise, low-THD signal path selection with no DC bias requirement. Use Value: 6.5Ω RON and >96dB crosstalk preserve stereo imaging and prevent audible switching artifacts. |
Use Scenario: Multiplexing DUT signals to shared measurement instruments (oscilloscopes, DMMs) in automated test systems. IC Role / Device Role / Timing Role: Precision analog switch enabling repeatable, low-error signal path configuration under software control. Use Value: 1.5Ω RON matching ensures consistent gain scaling across channels; 2.5nA leakage avoids drift in high-Z measurements. |
| Data Acquisition Systems | Avionics Signal Conditioning |
|
Use Scenario: Channel selection in 16-bit+ SAR ADC front-ends with anti-aliasing filters and programmable gain amplifiers. IC Role / Device Role / Timing Role: Low-charge-injection, NC-configured switch isolating unused sensor inputs during sampling cycles. Use Value: ±30pC charge injection prevents hold capacitor corruption; rail-to-rail operation accommodates ±10V sensor outputs. |
Use Scenario: Redundant signal path switching and sensor input isolation in flight control interface units. IC Role / Device Role / Timing Role: Robust analog switch operating across −40°C to +85°C with guaranteed leakage and RON specs. Use Value: >2000V ESD rating withstands harsh avionics EMI environments; dual-supply support matches aircraft 28VDC/±15V systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX312CSE | 0°C to +70°C temperature range; identical pinout, RON, and leakage specs. | Not qualified for extended industrial or automotive ambient conditions. | Select MAX312CSE only for commercial-grade applications where cost sensitivity outweighs temperature margin. |
| ADG411BRZ | 44V max supply; 35Ω typical RON; 10nA leakage at +85°C; SOIC-16 pinout. | Higher RON and leakage reduce fidelity in precision audio or high-resolution DAQ. | Choose ADG411BRZ when wider supply range is required and higher on-resistance is acceptable. |
Compared with MAX312CSE, the MAX312ESE-T adds extended temperature qualification (−40°C to +85°C) without sacrificing RON or leakage performance; versus ADG411BRZ, it delivers lower distortion and tighter channel matching at the expense of narrower supply headroom.
Availability
MAX312ESE-T is available at Aetrix Electronics and suitable for audio signal routing, test equipment switching, and data acquisition systems requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for MAX312ESE-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 MAX312 series belongs to Maxim's precision analog switch product line, engineered for low-distortion, low-leakage signal routing in test, measurement, and audio applications demanding rail-to-rail operation and guaranteed matching.
FAQ
What is the logic polarity of the MAX312ESE-T control inputs?
The MAX312ESE-T features active-low logic control: when INx = 0V (or ≤0.8V), the corresponding NC switch closes (COM–NC path enabled); when INx = high (≥2.4V), the switch opens. This inverse logic is inherent to the MAX312ESE-T's internal architecture and matches the DG411 pinout and behavior.
Can the MAX312ESE-T operate from a single 5V supply?
Yes - the MAX312ESE-T supports single-supply operation from +4.5V to +30V. With V+ = 5V and V− tied to GND, it delivers rail-to-rail analog switching from 0V to 5V. Note that RON increases slightly at lower voltages (e.g., ~12.5Ω at V+ = 5V), as specified in the single-supply electrical characteristics table.
Does the MAX312ESE-T require external protection diodes for overvoltage conditions?
No - the MAX312ESE-T includes internal ESD protection diodes rated >2000V per Method 3015.7. However, for sustained overvoltage beyond absolute maximum ratings (e.g., V+ > +44V), external clamping diodes are recommended per Figure 1 in the datasheet. The device does not integrate overvoltage fault protection.
How does the MAX312ESE-T differ from the MAX313ESE-T and MAX314ESE-T?
The MAX312ESE-T is normally closed (NC); the MAX313ESE-T is normally open (NO); the MAX314ESE-T integrates two NC and two NO switches. All share identical RON, leakage, and timing specs, but differ in default switch state and truth table. Pinout and package are identical across the family, enabling board-level interchangeability with logic-level adjustments.
Is the MAX312ESE-T pin-compatible with the DG411?
Yes - the MAX312ESE-T is explicitly designed as a pin-compatible, performance-enhanced replacement for the DG411. It shares identical SOIC-16 pinout, logic polarity, and functional block diagram, while improving on RON (6.5Ω vs. 35Ω typical), leakage (2.5nA vs. 10nA), and ESD rating (>2000V vs. unspecified).
MAX312ESE-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 10Ohm
- Channel-to-Channel Matching (ΔRon):
- 300mOhm
- Voltage - Supply, Single (V+):
- 4.5V ~ 30V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 225ns, 185ns
- -3db Bandwidth:
- -
- Charge Injection:
- 20pC
- Channel Capacitance (CS(off), CD(off)):
- 15pF, 15pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -85dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX312ESE-T FAQ
1.How can I place an order for MAX312ESE-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX312ESE-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 MAX312ESE-T reliable?
The price and inventory of MAX312ESE-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX312ESE-T is usually 5 days.
3.What payment methods are accepted for MAX312ESE-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX312ESE-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX312ESE-T?
MAX312ESE-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX312ESE-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 MAX312ESE-T?
For technical support, including MAX312ESE-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX312ESE-T requirements.
6.How does Aetrix verify that MAX312ESE-T is sourced from the original manufacturer or authorized distributors?
All MAX312ESE-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 MAX312ESE-T meets industry standards.
7.What is the process for return or replacement of MAX312ESE-T?
All MAX312ESE-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX312ESE-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 MAX312ESE-T part is unused and in its original packaging.
Return procedure for MAX312ESE-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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