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Analog Devices Inc./Maxim Integrated MAX312EPE+
- Part No.:
- MAX312EPE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
MAX312EPE+.pdf
- Description:
- IC SWITCH SPST-NCX4 10OHM 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,816
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Product details
Overview
MAX312EPE+ 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 high-fidelity audio switching and low-distortion data acquisition.
For engineers reviewing the MAX312EPE+ datasheet, MAX312EPE+ pinout, MAX312EPE+ application, or MAX312EPE+ equivalent, key selection criteria include guaranteed RON flatness (≤2Ω), ESD tolerance >2000V per Method 3015.7, crosstalk >96dB at 20kHz, and compatibility with DG411/DG412/DG413 pinouts in 16-pin PDIP packaging.
Technical Context
The MAX312EPE+ implements a fully complementary CMOS transmission-gate architecture with matched P- and N-channel devices per channel, ensuring symmetrical conduction and minimal charge injection (±30pC). Its logic interface accepts TTL/CMOS-compatible inputs referenced to VL (2.4V–5.5V), independent of analog supply rails.
It supports dual-supply operation (±4.5V to ±20V) or single-supply operation (+4.5V to +30V), with internal level-shifting enabling control logic to operate at 5V while analog signals swing rail-to-rail across V+ and V−. The device is specified over –40°C to +85°C and features guaranteed break-before-make timing only in the MAX314 variant - not applicable to MAX312EPE+.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 6.5Ω typical, ≤10Ω max - ensures minimal signal attenuation and voltage drop in precision analog paths. |
| RON Matching | ≤1.5Ω max between channels - critical for matched gain/phase in multi-channel instrumentation and balanced audio routing. |
| Analog Signal Range | Rail-to-rail: V− to V+ - supports full dynamic range signal switching without clipping in ±15V or +12V systems. |
| Off-Leakage Current | ±2.5nA max at +85°C - preserves accuracy in high-impedance sample-and-hold and sensor front-end circuits. |
| ESD Protection | >2000V per Method 3015.7 - enables robust handling in manufacturing and field-deployed test equipment. |
| Crosstalk | >96dB at 20kHz - prevents audible interference in stereo audio routing and adjacent-channel signal integrity. |
| Supply Range | +4.5V to +30V (single) or ±4.5V to ±20V (dual) - provides flexibility across industrial, avionics, and telecom power architectures. |
Pinout & Package
MAX312EPE+ is housed in a 16-pin plastic DIP (Dual In-line Package) with 0.300" body width, compliant with JEDEC MS-012. Pin 1 is located at the top-left corner when the notch faces upward.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8, 9, 16 | IN1–IN4 | Logic-level control inputs; active-low logic sense for NC switches - INx = 0V closes switch, INx = VL opens it. |
| 2, 7, 10, 15 | COM1–COM4 | Analog common terminals - bidirectional signal path connection points for each SPST switch. |
| 3, 6, 11, 14 | NC1–NC4 | Normally closed analog terminals - conduct to COM when INx = 0V; open when INx = VL. |
| 4 | V− | Negative analog supply rail - connect to GND for single-supply operation; required for bipolar operation. |
| 5 | GND | Logic ground reference - separate from analog ground but tied internally to substrate (V+). |
| 12 | VL | Logic supply voltage input - accepts 2.4V to 5.5V; decoupling recommended for noise-sensitive applications. |
| 13 | V+ | Positive analog supply rail - sets upper limit of analog signal range; must be ≥ |V−| + 4.5V. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog signals from V− to V+ without distortion or clipping - essential for ±10V industrial I/O and audio line-level routing. |
| Guaranteed RON flatness | ≤2Ω variation over full analog signal range - maintains consistent gain and THD across signal amplitude in audio and measurement paths. |
| Low charge injection | ±30pC max - minimizes voltage glitches in sample-and-hold and multiplexed ADC front-ends. |
| Pin compatibility with DG411/DG412/DG413 | Direct PCB replacement for legacy designs - reduces redesign effort and qualification time in test equipment upgrades. |
| High off-isolation | ≥65dB at 1MHz - suppresses crosstalk between inactive channels in dense signal routing matrices. |
Applications
| Audio Signal Routing | Test Equipment Switching |
|---|---|
|
Use Scenario: Selecting between multiple microphone preamp outputs in a studio mixer with discrete gain stages. IC Role / Device Role / Timing Role: Normally closed (NC) analog switch providing low-noise, low-distortion signal path selection with <10Ω RON. Use Value: Maintains THD < –100dB across 20Hz–20kHz due to flat RON and rail-to-rail capability, preserving audio fidelity. |
Use Scenario: Multiplexing calibration references and DUT signals in automated test equipment (ATE) with 16-channel analog backplane. IC Role / Device Role / Timing Role: Quad SPST switch enabling sequential connection of precision voltage sources to DMM inputs. Use Value: 2.5nA max off-leakage at +85°C ensures <0.1µV error in 10MΩ input impedance measurements over temperature. |
| PBX/PABX Line Interface | Avionics Signal Conditioning |
|
Use Scenario: Isolating ringing generators and voice paths in digital telephone exchange line cards. IC Role / Device Role / Timing Role: NC switch disconnecting ring signal during voice transmission to prevent coupling into audio path. Use Value: >96dB crosstalk at 20kHz eliminates audible ring-tone bleed into voice channels during call setup. |
Use Scenario: Routing sensor signals (e.g., thermocouple, LVDT) through fault-tolerant signal conditioning chains in flight control units. IC Role / Device Role / Timing Role: Precision analog switch operating over –40°C to +85°C with guaranteed RON match for differential channel balancing. Use Value: 1.5Ω max RON matching ensures <0.01% gain error between redundant sensor channels in safety-critical monitoring. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX312CPE+ | 0°C to +70°C temperature range vs. –40°C to +85°C for MAX312EPE+; identical electrical specs and pinout. | Not suitable for extended-temperature industrial or automotive environments requiring operation below 0°C. | Select MAX312CPE+ only for commercial-grade applications where ambient temperature stays within 0–70°C. |
| ADG411BNZ | 16-pin PDIP, quad SPST, but normally open (NO); RON = 35Ω typical (vs. 6.5Ω); no guaranteed RON match spec. | Higher on-resistance limits use in low-voltage, high-precision signal paths; unsuitable for audio or metrology-grade routing. | Choose ADG411BNZ only when NO logic polarity is required and higher RON is acceptable - not a functional substitute for MAX312EPE+ NC behavior. |
Compared with MAX312CPE+, MAX312EPE+ extends operational reliability to –40°C environments without trade-offs in RON, leakage, or matching; compared with ADG411BNZ, it offers superior low-RON, NC functionality, and channel matching - making it irreplaceable in high-fidelity, temperature-robust analog routing.
Availability
MAX312EPE+ is available at Aetrix Electronics and suitable for test equipment, avionics signal conditioning, and PBX line interface applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX312EPE+ 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, designed specifically for low-distortion, rail-to-rail signal routing in test, measurement, and telecom infrastructure where channel matching and leakage stability are critical.
FAQ
What is the maximum analog signal voltage range supported by the MAX312EPE+?
The MAX312EPE+ supports rail-to-rail analog signals from V− to V+. With dual supplies, this spans ±4.5V to ±20V; with single supply, it covers 0V to +4.5V up to +30V. For example, at V+ = +15V and V− = –15V, the full ±15V range is usable - critical for industrial sensor interfaces and audio line drivers. The MAX312EPE+ datasheet guarantees performance across this entire range.
Is the MAX312EPE+ pin-compatible with the DG411 analog switch?
Yes, the MAX312EPE+ is explicitly pin-compatible with the DG411, as confirmed in its datasheet Features section. Both are 16-pin PDIP quad SPST switches with identical pin assignments for IN, COM, NC/NO, V+, V−, GND, and VL. This allows direct replacement in legacy DG411-based designs without PCB changes - provided the MAX312EPE+'s NC configuration matches the system's logic requirements.
Does the MAX312EPE+ support single-supply operation?
Yes, the MAX312EPE+ supports single-supply operation from +4.5V to +30V. In this mode, V− is connected to GND, and analog signals swing from 0V to V+. The device maintains 6.5Ω typical RON, ≤2.5nA off-leakage at +85°C, and rail-to-rail capability - making it suitable for battery-powered data loggers and portable test instruments where dual supplies are impractical.
What is the guaranteed on-resistance matching between channels for the MAX312EPE+?
The MAX312EPE+ guarantees ≤1.5Ω maximum on-resistance (RON) matching between any two channels, measured under identical conditions (V+ = 15V, V− = –15V, TA = TMIN to TMAX). This tight matching ensures consistent gain and phase response in multi-channel instrumentation, such as 4-channel data acquisition front-ends or balanced audio routing, where channel-to-channel uniformity directly impacts measurement accuracy.
Can the MAX312EPE+ be used in audio applications requiring low total harmonic distortion (THD)?
Yes, the MAX312EPE+ is well-suited for low-THD audio routing. Its 6.5Ω typical RON, ≤2Ω RON flatness, and rail-to-rail operation enable THD < –100dB across 20Hz–20kHz with 5VRMS signals into 600Ω loads - as verified in the MAX312/MAX313/MAX314 Typical Operating Characteristics. This performance makes the MAX312EPE+ ideal for professional audio mixers and broadcast signal distribution.
MAX312EPE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- 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:
- Through Hole
- Supplier Device Package:
- 16-PDIP
MAX312EPE+ FAQ
1.How can I place an order for MAX312EPE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX312EPE+ 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 MAX312EPE+ reliable?
The price and inventory of MAX312EPE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX312EPE+ is usually 5 days.
3.What payment methods are accepted for MAX312EPE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX312EPE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX312EPE+?
MAX312EPE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX312EPE+ 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 MAX312EPE+?
For technical support, including MAX312EPE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX312EPE+ requirements.
6.How does Aetrix verify that MAX312EPE+ is sourced from the original manufacturer or authorized distributors?
All MAX312EPE+ 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 MAX312EPE+ meets industry standards.
7.What is the process for return or replacement of MAX312EPE+?
All MAX312EPE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX312EPE+, 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 MAX312EPE+ part is unused and in its original packaging.
Return procedure for MAX312EPE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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