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Analog Devices Inc./Maxim Integrated MAX308ESE+
- Part No.:
- MAX308ESE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX308ESE+.pdf
- Description:
- IC MUX 8:1 100OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:194
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Product details
Overview
MAX308ESE+ from Maxim Integrated is a precision single-ended 1-of-8 CMOS analog multiplexer with on-resistance <100Ω, on-resistance matching <5Ω between channels, and guaranteed flatness of ≤7Ω over ±10V signal range. It operates from +5V to +30V single supply or ±5V to ±20V dual supplies, features <10pC charge injection, and targets high-accuracy signal routing in test equipment and military radios.
For engineers reviewing the MAX308ESE+ datasheet, MAX308ESE+ pinout, MAX308ESE+ application, or MAX308ESE+ equivalent, key selection criteria include its -40°C to +85°C operating temperature range, 16-pin narrow SO package, rail-to-rail analog signal handling up to ±20V, and plug-in compatibility with DG408/DG508A legacy designs.
Technical Context
The MAX308ESE+ implements a monolithic CMOS switch architecture with silicon-gate process optimization for low charge injection and high ESD tolerance (>2000V). Its decode logic accepts three address bits (A0–A2) and an active-low enable (EN) to select one of eight bidirectional NOx inputs to the common COM terminal.
It supports both unipolar and bipolar operation without external level-shifting: V− can be grounded for single-supply use or biased negatively for dual-supply configurations. Signal integrity is preserved via low off-capacitance (NO-OFF: 3pF; COM-OFF: 26pF) and high off-isolation (−75dB), enabling minimal crosstalk in multi-channel sampling systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance | <100Ω max - ensures minimal voltage drop and gain error in precision signal paths |
| On-resistance match | <5Ω max - enables accurate channel-to-channel ratio matching in instrumentation |
| On-resistance flatness | <7Ω max over ±10V - maintains consistent gain across full analog input range |
| Charge injection | <10pC - reduces settling error in sample-and-hold circuits |
| NO-off leakage | <5nA at +85°C - preserves signal integrity in high-impedance sensor interfaces |
| Supply range | +5V to +30V (single) or ±5V to ±20V (dual) - supports wide industrial and military power architectures |
| Transition time | <250ns - enables fast channel switching in automated test systems |
Pinout & Package
MAX308ESE+ is housed in a 16-pin narrow SOIC (SO) package, 3.9mm width, with standard JEDEC MS-012AC footprint and gull-wing leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 15, 16 | A0, A2, A1 | Binary address inputs selecting one of eight NOx channels |
| 2 | EN | Active-low enable controlling global switch activation |
| 3 | V− | Negative supply rail; tied to GND for single-supply operation |
| 4–7, 9–12 | NO1–NO8 | Bidirectional analog inputs; electrically identical, no internal hierarchy |
| 8 | COM | Common analog I/O terminal; connects to selected NOx when enabled |
| 13 | V+ | Positive supply rail; supports up to +30V or +20V (dual) |
| 14 | GND | Logic ground reference; separate from analog return in mixed-signal layouts |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog signals from V− to V+ without clipping - essential for ±15V op-amp interfaces |
| TTL/CMOS logic compatibility | Accepts 0.8V/2.4V thresholds directly - eliminates level-shifters in microcontroller-controlled systems |
| Plug-in upgrade for DG408/DG508A | Pin- and function-compatible replacement - no PCB or firmware changes required |
| ESD protection | >2000V HBM - withstands handling and board-level transients without external protection |
| Low power consumption | <300µW typical - suitable for battery-operated portable test gear and avionics |
Applications
| Automatic Test Equipment | Military Radios |
|---|---|
Use Scenario: High-speed scanning of sensor outputs and calibration references during functional testing of RF modules. IC Role / Device Role / Timing Role: Analog multiplexer routing multiple transducer signals to a shared ADC front-end. Use Value: Sub-250ns transition time and <5Ω channel matching ensure measurement repeatability across 100+ test points. | Use Scenario: Selecting between multiple antenna feeds or IF signal paths in secure HF/VHF transceivers. IC Role / Device Role / Timing Role: Precision signal routing switch in RF receiver chain with minimal insertion loss variation. Use Value: Flat on-resistance (≤7Ω) and −75dB off-isolation prevent intermodulation distortion and adjacent-channel interference. |
| Sample-and-Hold Circuits | Heads-Up Displays |
Use Scenario: Multiplexing multiple analog sensor inputs into a single S/H amplifier before digitization in flight control units. IC Role / Device Role / Timing Role: Low-charge-injection analog switch enabling accurate hold-phase acquisition. Use Value: <10pC charge injection minimizes droop-induced error, supporting 14-bit effective resolution. | Use Scenario: Routing video sync, RGB, and brightness control signals in cockpit display subsystems. IC Role / Device Role / Timing Role: Bidirectional analog switch managing signal path reconfiguration during mode transitions. Use Value: Rail-to-rail operation handles composite sync pulses (±5V) and analog video (0–2V) without clamping diodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG408BRZ | On-resistance = 100Ω typ (vs. 85Ω typ for MAX308ESE+); charge injection = 20pC (vs. <10pC); −40°C to +85°C rating | Higher leakage at temperature; less suitable for low-error S/H or high-density ATE | Select MAX308ESE+ when sub-10pC charge injection and <5Ω matching are critical |
| DG408DN | Legacy industry-standard part; on-resistance = 125Ω max; no guaranteed flatness spec; ESD = 1000V | Lacks modern low-leakage and ESD robustness; requires external protection in harsh environments | MAX308ESE+ is a direct drop-in upgrade-no layout change needed |
Compared with ADG408BRZ and DG408DN, the MAX308ESE+ delivers superior on-resistance flatness (≤7Ω vs. unspecified), lower charge injection (<10pC vs. 20pC), and higher ESD immunity (>2000V vs. 1000V), making it optimal for precision, high-reliability analog routing where signal fidelity and ruggedness are non-negotiable.
Availability
MAX308ESE+ is available at Aetrix Electronics and suitable for automatic test equipment, military radio systems, and sample-and-hold circuits requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX308ESE+ 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, automotive, and communications markets.
The MAX308ESE+ belongs to Maxim's precision analog multiplexer product line, engineered for applications demanding low distortion, high channel uniformity, and robust operation in mission-critical electronic systems.
FAQ
What is the maximum analog signal range supported by the MAX308ESE+?
The MAX308ESE+ supports a rail-to-rail analog signal range from V− to V+, up to ±20V with dual supplies or 0V to +30V with single supply. At ±15V supplies, the specified signal range is ±10V with guaranteed on-resistance flatness ≤7Ω. Operation beyond these limits risks exceeding absolute maximum ratings and may degrade performance or cause damage.
Is the MAX308ESE+ pin-compatible with the DG408?
Yes, the MAX308ESE+ is a direct plug-in upgrade for the DG408. Pin assignments, logic levels, and functional behavior-including address decoding (A0–A2), enable (EN), NO1–NO8, COM, V+, V−, and GND-are identical. No PCB or schematic changes are required, and the improved specs (lower RON, flatter response, lower charge injection) deliver immediate system-level benefits.
What is the operating temperature range for the MAX308ESE+?
The MAX308ESE+ is rated for operation from −40°C to +85°C. This extended industrial temperature range is confirmed in the Ordering Information table and applies specifically to the "E" grade (e.g., MAX308ESE+), distinguishing it from the commercial-grade "C" version (0°C to +70°C).
Does the MAX308ESE+ require external protection diodes for overvoltage conditions?
No, external diodes are not required under normal operation. The MAX308ESE+ includes internal clamp diodes on all analog and digital pins. However, if supply sequencing cannot be guaranteed (e.g., V+ applied after V− or logic inputs), external series diodes on V+ and V− are recommended per Figure 1 in the datasheet to prevent latch-up-though this reduces usable analog range by ~1V.
How does the MAX308ESE+ handle single-supply versus dual-supply configurations?
The MAX308ESE+ operates natively with either configuration: tie V− to GND for +5V to +30V single supply, or bias V− negatively for ±5V to ±20V dual supply. Logic inputs remain TTL/CMOS-compatible in both modes. The device's rail-to-rail design ensures full analog swing in either case, and no external components are needed to adapt between modes.
MAX308ESE+ 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:
- 1
- On-State Resistance (Max):
- 100Ohm
- Channel-to-Channel Matching (ΔRon):
- 1.5Ohm
- Voltage - Supply, Single (V+):
- 5V ~ 30V
- Voltage - Supply, Dual (V±):
- ±5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 150ns, 150ns
- -3db Bandwidth:
- -
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 3pF, 26pF
- Current - Leakage (IS(off)) (Max):
- 750pA
- Crosstalk:
- -92dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX308ESE+ FAQ
1.How can I place an order for MAX308ESE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX308ESE+ 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 MAX308ESE+ reliable?
The price and inventory of MAX308ESE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX308ESE+ is usually 5 days.
3.What payment methods are accepted for MAX308ESE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX308ESE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX308ESE+?
MAX308ESE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX308ESE+ 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 MAX308ESE+?
For technical support, including MAX308ESE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX308ESE+ requirements.
6.How does Aetrix verify that MAX308ESE+ is sourced from the original manufacturer or authorized distributors?
All MAX308ESE+ 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 MAX308ESE+ meets industry standards.
7.What is the process for return or replacement of MAX308ESE+?
All MAX308ESE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX308ESE+, 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 MAX308ESE+ part is unused and in its original packaging.
Return procedure for MAX308ESE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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