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Analog Devices Inc./Maxim Integrated MAX307EPI+
- Part No.:
- MAX307EPI+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 28-DIP (0.600", 15.24mm)
- Datasheet:
-
MAX307EPI+.pdf
- Description:
- IC MUX DUAL 8:1 100OHM 28DIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,567
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Product details
Overview
MAX307EPI+ from Maxim Integrated is a precision, monolithic, CMOS differential 2-of-8 analog multiplexer designed for high-fidelity signal routing in demanding analog systems. It features <100Ω on-resistance (max), <5Ω channel-to-channel matching, <10pC charge injection, <2.5nA NO off-leakage at +85°C, and operates from ±4.5V to ±20V or +5V to +30V supplies - enabling rail-to-rail signal handling in test equipment and military radios.
For engineers reviewing the MAX307EPI+ datasheet, MAX307EPI+ pinout, MAX307EPI+ application, or MAX307EPI+ equivalent, this page delivers verified electrical specs, true pin functions, real-world use cases, and two confirmed alternative parts - all validated against Maxim's official documentation and ordering data for the -40°C to +85°C PDIP variant.
Technical Context
The MAX307EPI+ implements a dual 8-channel differential architecture with independent COMA and COMB outputs, controlled by three address inputs (A0–A2) and an active-high enable (EN). Its silicon-gate process ensures guaranteed flat on-resistance (≤7Ω max over ±10V range) and low leakage across temperature.
It supports break-before-make switching (tOPEN ≤40ns), fast transition times (tTRANS ≤400ns over full temp range), and TTL/CMOS-compatible logic inputs - retaining compatibility with legacy DG407/DG507A designs while improving ESD robustness (>2000V) and reducing charge injection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Signal Range | ±15V (dual supply); enables full-rail signal routing without clipping in ±15V systems |
| On-Resistance (RON) | ≤125Ω (max, full temp range); ensures minimal voltage drop and gain error in precision gain stages |
| On-Resistance Match (ΔRON) | ≤8Ω (max, full temp range); critical for matched-channel applications like differential sensor interfaces |
| Charge Injection | <10pC (guaranteed); limits settling error in sample-and-hold circuits and ADC front-ends |
| NO Off-Leakage (INO(OFF)) | <2.5nA at +85°C; preserves accuracy in high-impedance sensor multiplexing |
| Transition Time (tTRANS) | ≤400ns (full temp range); supports >1MHz multiplexed signal sampling in automated test equipment |
| ESD Protection | >2000V HBM; enhances reliability during board assembly and field handling |
Pinout & Package
MAX307EPI+ is housed in a 28-pin plastic DIP (PDIP) package with 0.6-inch width, RoHS-compliant, and rated for -40°C to +85°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | V+ | Positive supply input; must be ≥|V−| + 4.5V and ≤ V− + 44V for safe operation |
| 2 | COMB | Differential output B; bidirectional path for second 8-channel group |
| 3, 13, 14 | N.C. | No internal connection; must remain unconnected per datasheet |
| 4–11 | NO8B–NO1B | Analog inputs B (channel group 2); bidirectional, rated for (V− − 2V) to (V+ + 2V) |
| 12 | GND | Ground reference; required for single-supply operation (V− tied to GND) |
| 15–17 | A2, A1, A0 | Binary address inputs; select one of eight channels per output (COMA/COMB) |
| 18 | EN | Active-high enable; disables all switches when low, reducing leakage and power |
| 19–26 | NO1A–NO8A | Analog inputs A (channel group 1); independent bidirectional paths for first 8-channel group |
| 27 | V− | Negative supply input; sets lower rail for bipolar operation or GND for single supply |
| 28 | COMA | Differential output A; primary bidirectional path for first 8-channel group |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog signals from V− to V+ without clipping - essential for ±15V instrumentation amplifiers |
| Guaranteed on-resistance flatness | ≤7Ω max variation across ±10V range - maintains linearity in precision DAC/ADC buffer switching |
| Plug-in upgrade for DG407/DG507A | PIN-AND-FUNCTION compatible replacement - no PCB or firmware changes required for legacy upgrades |
| Low power consumption | <1.25mW typical at +25°C - extends battery life in portable test gear and avionics |
| TTL/CMOS logic compatibility | VAL ≤0.8V / VAH ≥2.4V thresholds - interoperable with standard microcontrollers and FPGAs |
Applications
| Test Equipment | Military Radios |
|---|---|
Use Scenario: Automated test systems route multiple sensor or calibration signals to a shared digitizer. IC Role / Device Role / Timing Role: Differential 2-of-8 analog multiplexer selecting between two independent 8-channel banks under microcontroller control. Use Value: Low charge injection (<10pC) and matched on-resistance (<5Ω) minimize measurement error and channel-to-channel gain mismatch. |
Use Scenario: Secure voice/data radios require reliable signal switching across RF front-end calibration paths and antenna diversity networks. IC Role / Device Role / Timing Role: High-reliability analog switch managing differential IF signal routing in harsh environmental conditions (-40°C to +85°C). Use Value: >2000V ESD rating and guaranteed leakage (<2.5nA at +85°C) ensure long-term stability in field-deployed units. |
| Sample-and-Hold Circuits | Battery-Operated Systems |
Use Scenario: Precision data acquisition systems use multiplexed inputs feeding a high-speed S/H amplifier before ADC conversion. IC Role / Device Role / Timing Role: Low-charge-injection analog mux isolating input channels during hold phase to prevent droop-induced error. Use Value: <10pC charge injection directly reduces aperture uncertainty and improves effective resolution in 16-bit+ systems. |
Use Scenario: Portable medical monitors or handheld analyzers multiplex biopotential sensors (ECG, EEG) with ultra-low power budgets. IC Role / Device Role / Timing Role: Low-power analog switch enabling selective activation of sensor chains to conserve battery energy. Use Value: <1.25mW typical power dissipation and <75µA max supply current extend operational time between charges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX307EWI+ | Same die, 28-pin wide SO package; 15.4mm × 7.6mm footprint vs. PDIP's 36.8mm × 15.2mm | Preferred for space-constrained PCBs; requires rework of land pattern and thermal relief design | Select for higher-density layouts where thermal mass and hand-solderability are secondary to size |
| ADG507AKNZ | Pin-compatible but higher RON (240Ω typ), higher charge injection (25pC), and no guaranteed flatness spec | Suitable for non-critical industrial I/O, not precision metrology or military-grade systems | Choose only if cost sensitivity outweighs performance requirements; verify leakage and settling in final design |
Compared with MAX307EPI+, MAX307EWI+ offers identical electrical behavior in a smaller surface-mount package, while ADG507AKNZ trades precision (on-resistance match, charge injection) for broader availability and lower unit cost - making it viable only in less demanding signal-path roles.
Availability
MAX307EPI+ is available at Aetrix Electronics and suitable for test equipment, military radios, sample-and-hold circuits, and battery-operated systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX307EPI+ 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 industrial, automotive, communications, and computing markets.
The MAX306/MAX307 product line targets precision analog signal routing in environments demanding low distortion, high channel matching, and robust operation - especially where legacy industry-standard replacements (DG406/DG407) require performance upgrades.
FAQ
What is the operating temperature range of the MAX307EPI+?
The MAX307EPI+ is specified for operation from -40°C to +85°C. This extended industrial temperature range is confirmed in the Ordering Information table and Absolute Maximum Ratings section of the official Maxim datasheet (Rev 5, 3/16). All key parameters - including on-resistance, leakage, and switching speed - are guaranteed across this full range.
Is the MAX307EPI+ pin-compatible with the DG407 or DG507A?
Yes, the MAX307EPI+ is explicitly documented as a plug-in upgrade for the industry-standard DG407 and DG507A. Pin assignments, logic thresholds, supply voltage ranges, and functional behavior match - allowing direct replacement without PCB or firmware modifications, as stated in the "Benefits and Features" section of the datasheet.
What supply voltages can the MAX307EPI+ operate with?
The MAX307EPI+ supports both single-ended (+5V to +30V, with V− tied to GND) and bipolar (±4.5V to ±20V) supplies. The analog signal range scales accordingly: ±15V with ±15V supplies, or 0V to +12V with +12V/V− = 0V. These ranges are guaranteed in the Electrical Characteristics tables and Applications Information section.
Does the MAX307EPI+ support differential signaling?
Yes - the MAX307EPI+ is a differential 2-of-8 analog multiplexer with two independent bidirectional outputs: COMA and COMB. Each connects to its own set of eight analog inputs (NO1A–NO8A and NO1B–NO8B), enabling true differential signal routing or dual single-ended paths without crosstalk penalties.
What is the maximum guaranteed on-resistance matching between channels for the MAX307EPI+?
The MAX307EPI+ guarantees on-resistance matching (ΔRON) of ≤8Ω across the full -40°C to +85°C temperature range, as specified in the Electrical Characteristics table under "On-Resistance Matching Between Channels." At +25°C, the limit is tighter: ≤5Ω max.
MAX307EPI+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 8:1
- Number of Circuits:
- 2
- 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, 65pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -92dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 28-PDIP
MAX307EPI+ FAQ
1.How can I place an order for MAX307EPI+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX307EPI+ 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 MAX307EPI+ reliable?
The price and inventory of MAX307EPI+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX307EPI+ is usually 5 days.
3.What payment methods are accepted for MAX307EPI+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX307EPI+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX307EPI+?
MAX307EPI+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX307EPI+ 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 MAX307EPI+?
For technical support, including MAX307EPI+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX307EPI+ requirements.
6.How does Aetrix verify that MAX307EPI+ is sourced from the original manufacturer or authorized distributors?
All MAX307EPI+ 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 MAX307EPI+ meets industry standards.
7.What is the process for return or replacement of MAX307EPI+?
All MAX307EPI+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX307EPI+, 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 MAX307EPI+ part is unused and in its original packaging.
Return procedure for MAX307EPI+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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