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Analog Devices Inc./Maxim Integrated MAX312EUE
- Part No.:
- MAX312EUE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MAX312EUE.pdf
- Description:
- IC SW SPST-NCX4 10OHM 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,367
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Product details
Overview
MAX312EUE 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, and rail-to-rail analog signal handling from ±4.5V to ±20V or +4.5V to +30V. It is used in audio signal routing, test equipment, and data acquisition where low distortion and tight channel matching are critical.
For engineers reviewing the MAX312EUE datasheet, MAX312EUE pinout, MAX312EUE application, or MAX312EUE equivalent, key selection criteria include guaranteed RON flatness (≤2Ω), off-leakage ≤2.5nA at +85°C, ESD tolerance >2000V per Method 3015.7, and TSSOP-16 packaging for high-density PCB layouts.
Technical Context
The MAX312EUE implements a fully complementary CMOS transmission-gate architecture with matched P- and N-channel devices per switch, enabling symmetrical conduction and minimal charge injection (±30pC). Its logic interface accepts TTL/CMOS-compatible inputs referenced to VL (independent logic supply), decoupling digital control from analog supply rails.
It supports true rail-to-rail analog operation across the full specified supply range, with guaranteed performance over -40°C to +85°C. The device exhibits <2Ω RON flatness over ±10V signal swing and >96dB crosstalk at 20kHz - critical for multi-channel audio and instrumentation applications requiring channel isolation and low THD.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 6.5Ω typical; ensures minimal voltage drop and power loss in signal paths up to ±10V swing. |
| RON Matching | ≤1.5Ω max between channels; enables precise gain/phase tracking in differential or multi-path circuits. |
| Analog Signal Range | ±10V with ±15V supplies; supports full rail-to-rail operation without clipping in bipolar instrumentation front-ends. |
| Off-Leakage Current | ≤2.5nA at +85°C; preserves accuracy in high-impedance sample-and-hold and sensor interfaces. |
| Crosstalk | >96dB at 20kHz; prevents audible interference between adjacent audio channels or measurement channels. |
| ESD Protection | >2000V per Method 3015.7; meets industrial handling requirements without external protection diodes. |
| Turn-On/Off Time | 65ns / 185ns typical (dual supply); enables fast switching in automated test and multiplexed DAQ systems. |
Pinout & Package
MAX312EUE is housed in a 16-pin TSSOP package (4.4mm width), compatible with standard surface-mount assembly processes and offering improved thermal performance over SOIC.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8, 9, 16 | IN1–IN4 | Logic control inputs; active-low for NC function - INx = 0V enables conduction between COMx and NCx. |
| 2, 7, 10, 15 | COM1–COM4 | Analog common terminals; bidirectional signal path nodes connected to NCx when switch is enabled. |
| 3, 6, 11, 14 | NC1–NC4 | Normally closed analog terminals; internally connected to COMx when INx = 0V; open when INx = VL. |
| 4 | V+ | Positive analog supply input; supports +4.5V to +30V (single) or ±4.5V to ±20V (dual) operation. |
| 5 | GND | Logic ground reference; separate from analog supplies to minimize noise coupling into control logic. |
| 12 | V- | Negative analog supply input; tied to GND for single-supply use; enables true bipolar signal handling. |
| 13 | VL | Independent logic supply input; accepts 2.7V to V+ – 1V, allowing mixed-voltage system interfacing. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-Rail® Signal Handling | Supports analog signals from V− to V+ without degradation - essential for ±15V op-amp interfaces and wide-dynamic-range sensors. |
| Guaranteed RON Flatness | ≤2Ω variation over ±10V signal range - minimizes harmonic distortion in audio and precision measurement paths. |
| Low Charge Injection | ±30pC maximum - reduces voltage glitch in sample-and-hold and switched-capacitor circuits. |
| Pin Compatibility | Direct replacement for DG411 - simplifies legacy design upgrades without layout changes. |
| Wide Temperature Range | -40°C to +85°C operation - qualified for industrial and avionics environments with no derating required. |
Applications
| Audio Signal Routing | Test Equipment |
|---|---|
Use Scenario: Switching line-level stereo signals between multiple DAC outputs and amplifier inputs in professional audio mixers. IC Role / Device Role / Timing Role: Quad SPST NC switch providing silent, glitch-free channel selection with <96dB inter-channel isolation. Use Value: 6.5Ω RON and <2Ω flatness preserve frequency response and THD below 0.002% at 1kHz, meeting AES17 standards. | Use Scenario: Multiplexing DUT signals to shared oscilloscope or DMM inputs in automated test fixtures. IC Role / Device Role / Timing Role: Precision analog switch enabling sequential connection of up to four sensors or transducers to a single ADC channel. Use Value: ≤2.5nA off-leakage at +85°C ensures <0.1LSB error in 16-bit data acquisition over temperature. |
| Avionics Signal Conditioning | Sample-and-Hold Circuits |
Use Scenario: Routing analog sensor outputs (e.g., pressure, temperature) to centralized A/D converters in flight control systems. IC Role / Device Role / Timing Role: High-reliability NC switch with ESD >2000V and -40°C to +85°C qualification for airborne electronics. Use Value: Dual-supply support (±15V) matches aircraft power architecture; 1.5Ω RON matching maintains channel-to-channel gain consistency. | Use Scenario: Holding sampled voltage on a capacitor during ADC conversion cycles in precision instrumentation. IC Role / Device Role / Timing Role: Low-charge-injection NC switch isolating hold capacitor from source impedance during acquisition phase. Use Value: ±30pC charge injection limits hold-step error to <1mV for 10nF capacitors - sufficient for 14-bit resolution. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX312CUE | Same electrical specs but rated for 0°C to +70°C only; identical pinout and TSSOP-16 package. | Suitable for commercial-grade systems without extended temperature requirements. | Select MAX312CUE only if ambient operating temperature remains within 0°C–70°C. |
| DG411DN | Pin-compatible but higher RON (35Ω typical), wider RON flatness (15Ω), and no guaranteed ESD rating. | Limited to low-frequency, non-critical signal routing where leakage and distortion are less constrained. | Choose DG411DN only when cost is primary and performance margins allow ≥5× higher on-resistance. |
Compared with MAX312CUE, the MAX312EUE adds industrial temperature qualification (-40°C to +85°C) without trade-offs in RON, leakage, or speed; versus DG411DN, it delivers 5.4× lower RON, 7.5× tighter RON flatness, and documented ESD robustness - making it superior for precision, high-reliability designs.
Availability
MAX312EUE is available at Aetrix Electronics and suitable for audio signal routing, test equipment, and avionics applications requiring stable component supply, long-term manufacturability, and guaranteed industrial temperature performance.
Supply support for MAX312EUE 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 precision analog, mixed-signal, and power management ICs for industrial, communications, and computing markets.
The MAX312 series belongs to Maxim's high-performance analog switch product line, engineered for low-distortion, low-leakage signal routing in test, measurement, and audio systems demanding rail-to-rail operation and tight channel matching.
FAQ
What is the maximum analog signal voltage range supported by the MAX312EUE?
The MAX312EUE supports analog signals from V− to V+, covering ±10V with ±15V dual supplies or 0V to +12V with +12V single supply. Absolute maximum ratings allow V+ up to +44V and V− down to -44V, but operational signal range is limited by supply rails. For example, with V+ = +15V and V− = -15V, the usable analog range is ±10V - verified per Electrical Characteristics tables in the datasheet.
Is the MAX312EUE pin-compatible with the DG411 analog switch?
Yes, the MAX312EUE is explicitly pin-compatible with the DG411, as confirmed in the Features section of the datasheet. Both devices use identical 16-pin TSSOP pinouts and share the same IN/COM/NC terminal assignments. However, the MAX312EUE improves on RON (6.5Ω vs. 35Ω), RON flatness (2Ω vs. 15Ω), and ESD rating (>2000V vs. unspecified), making it a direct performance upgrade.
Does the MAX312EUE require separate logic and analog supplies?
No - the MAX312EUE features an independent VL pin that allows flexible logic supply configuration. VL may be tied to V+, GND, or an intermediate voltage (2.7V to V+ − 1V), enabling interface with 3.3V or 5V controllers while operating analog sections at ±15V. This decoupling prevents digital noise from modulating analog performance and is validated across all temperature ranges for MAX312EUE.
What is the typical charge injection value for the MAX312EUE, and why does it matter?
The MAX312EUE has a typical charge injection of ±30pC, as specified in the Electrical Characteristics table under "Charge Injection (VCTE)". This parameter directly impacts accuracy in sample-and-hold and switched-capacitor circuits: lower charge injection reduces voltage step errors on hold capacitors. For a 10nF capacitor, ±30pC yields <3µV step error - critical for maintaining 14-bit+ resolution in precision data acquisition systems using MAX312EUE.
Can the MAX312EUE operate from a single +5V supply?
No - the MAX312EUE requires a minimum single-supply voltage of +4.5V, but its specified analog signal range collapses significantly below +12V. At +5V supply, RON rises to ~25Ω (per Single-Supply Electrical Characteristics), and guaranteed performance (e.g., RON matching, leakage) is only validated for V+ ≥ +12V in single-supply mode. For +5V systems, consider the MAX4617 or similar low-voltage switches instead of MAX312EUE.
MAX312EUE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- 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-TSSOP
MAX312EUE FAQ
1.How can I place an order for MAX312EUE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX312EUE 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 MAX312EUE reliable?
The price and inventory of MAX312EUE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX312EUE is usually 5 days.
3.What payment methods are accepted for MAX312EUE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX312EUE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX312EUE?
MAX312EUE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX312EUE 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 MAX312EUE?
For technical support, including MAX312EUE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX312EUE requirements.
6.How does Aetrix verify that MAX312EUE is sourced from the original manufacturer or authorized distributors?
All MAX312EUE 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 MAX312EUE meets industry standards.
7.What is the process for return or replacement of MAX312EUE?
All MAX312EUE units undergo pre-shipment inspection (PSI). If there is an issue with MAX312EUE, 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 MAX312EUE part is unused and in its original packaging.
Return procedure for MAX312EUE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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