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Analog Devices Inc./Maxim Integrated MAX398EEE+T
- Part No.:
- MAX398EEE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
MAX398EEE+T.pdf
- Description:
- IC MULTIPLEXER 8X1 16QSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,178
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Product details
Overview
The MAX398EEE+T from Maxim Integrated is a precision 8-channel CMOS analog multiplexer designed for low-distortion signal routing in data-acquisition and test systems. It delivers <100Ω on-resistance (typ. 60Ω), <6Ω channel-to-channel RON matching, <5pC charge injection, rail-to-rail analog signal handling (±4.5V or 0–4.5V), and operates from +3V to +15V single or ±3V to ±8V dual supplies - enabling high-accuracy sampling in battery-powered and military-grade instrumentation.
For engineers reviewing the MAX398EEE+T datasheet, MAX398EEE+T pinout, MAX398EEE+T application, or MAX398EEE+T equivalent, key selection criteria include guaranteed RON flatness (<11Ω), NO/COM off-leakage <2.5nA at +85°C, ESD protection >2000V, TTL/CMOS logic compatibility, and pin compatibility with DG408/DG508A - critical for legacy system upgrades and ATE design reuse.
Technical Context
The MAX398EEE+T implements an 8:1 bidirectional analog switch architecture with three address inputs (A0–A2) and an active-high enable (EN). Its silicon-gate CMOS process ensures low charge injection (<5pC) and minimal signal-dependent on-resistance variation across the full analog range.
It supports both single-supply (+3V to +15V) and dual-supply (±3V to ±8V) operation, with GND referenced to V− in single-supply mode. Logic inputs meet TTL/CMOS thresholds (VIL ≤ 0.8V, VIH ≥ 2.4V), and all analog terminals tolerate signals within (V− − 2V) to (V+ + 2V) under clamping diode protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance (RON) | 60Ω typ. at VCOM = ±3V, V+ = 5V, V− = −5V - ensures minimal gain error and voltage drop in precision signal paths. |
| RON matching | <6Ω max between channels - enables accurate ratiometric measurements and matched gain across multiplexed sensor inputs. |
| Charge injection | <5pC max - reduces settling error and pedestal distortion in sample-and-hold circuits and ADC front-ends. |
| NO/COM off-leakage | <2.5nA at +85°C - maintains high impedance isolation for microamp-level current sources and high-Z sensors. |
| Analog signal range | ±4.5V (dual supply) or 0–4.5V (single supply) - supports rail-to-rail input/output without clipping in low-voltage systems. |
| Supply range | +3V to +15V (single) or ±3V to ±8V (dual) - accommodates portable, industrial, and military power architectures. |
| ESD protection | >2000V HBM - enhances robustness during board handling and system integration without external protection. |
Pinout & Package
MAX398EEE+T is supplied in a 16-pin QSOP package (E16-1), with exposed pad connected to V+. Pin functions are defined per the MAX398 functional diagram and pin description table.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1, 15, 16 | A0, A1, A2 | Binary address inputs selecting one of eight analog channels (NO1–NO8) to connect to COM. |
| 2 | EN | Active-high enable: disables all switches when low, preventing unintended channel conduction. |
| 3 | V− | Negative supply rail; tied to GND in single-supply configurations. |
| 4–7, 9–12 | NO1–NO4, NO5–NO8 | Bidirectional analog inputs - accept or source signals from external circuitry or sensors. |
| 8 | COM | Common analog terminal - serves as shared input/output node for all selected channels. |
| 13 | V+ | Positive supply rail; powers internal logic and switch array; EP must be connected to V+. |
| 14 | GND | Ground reference for logic inputs and substrate bias; separate from analog ground in mixed-signal layouts. |
Key Features
| Feature | Design Value |
|---|---|
| PIN-compatible replacement | Direct drop-in for industry-standard DG408 and DG508A - eliminates PCB redesign in legacy ATE and avionics upgrades. |
| Guaranteed RON flatness | <11Ω variation over full analog signal range - preserves linearity in precision measurement applications. |
| Rail-to-rail signal handling | Supports analog signals from V− to V+ - enables full utilization of ADC dynamic range in low-voltage systems. |
| Low power consumption | <300µW typical - extends battery life in portable instrumentation and handheld test equipment. |
| TTL/CMOS logic interface | Input thresholds compatible with standard logic families - simplifies interfacing with microcontrollers and FPGAs. |
Applications
| Sample-and-Hold Circuits | Automatic Test Equipment (ATE) |
|---|---|
Use Scenario: High-speed sampling of multiple sensor outputs before ADC conversion in precision data loggers. IC Role / Device Role / Timing Role: 8:1 analog switch routing conditioned sensor voltages to a shared S/H capacitor with minimal charge injection. Use Value: <5pC charge injection and <6Ω RON matching ensure sub-LSB settling accuracy and channel-to-channel gain consistency. |
Use Scenario: Signal path switching between DUT pins and measurement instruments in modular ATE racks. IC Role / Device Role / Timing Role: Precision analog mux enabling programmable connectivity between test resources and device under test. Use Value: <2.5nA off-leakage at +85°C prevents leakage-induced measurement drift during thermal stress testing. |
| Military Radios | Battery-Operated Systems |
Use Scenario: Antenna or IF signal routing in compact, ruggedized HF/VHF transceivers requiring wide temperature operation. IC Role / Device Role / Timing Role: Low-distortion analog switch supporting RF front-end reconfiguration and calibration paths. Use Value: −40°C to +85°C extended temperature rating and >2000V ESD withstand support field-deployable reliability. |
Use Scenario: Sensor multiplexing in handheld medical monitors or environmental sensors powered by coin cells or Li-ion batteries. IC Role / Device Role / Timing Role: Low-power analog switch enabling multi-channel acquisition while minimizing quiescent current draw. Use Value: <300µW power dissipation and +3V minimum supply allow operation directly from regulated 3.3V or unregulated battery rails. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX398CSE+ | Same die, 0°C to +70°C temperature grade, narrow SO package (S16-1). | Limited to commercial-temperature environments; unsuitable for industrial or automotive deployments. | Select MAX398CSE+ only for cost-sensitive, room-temperature bench equipment where extended temp range is unnecessary. |
| ADG408BRUZ | 8-channel CMOS mux with 75Ω RON, 25nA off-leakage at +85°C, no guaranteed RON matching spec. | Higher leakage and no RON matching guarantee reduce accuracy in precision ratiometric or low-current sensing. | Choose ADG408BRUZ only when absolute lowest cost outweighs leakage and matching requirements in non-critical signal routing. |
Compared with MAX398CSE+, the MAX398EEE+T provides guaranteed operation from −40°C to +85°C and QSOP packaging optimized for high-density layouts; versus ADG408BRUZ, it delivers superior leakage performance and specified RON matching essential for metrology-grade designs.
Availability
MAX398EEE+T is available at Aetrix Electronics and suitable for automatic test equipment, military radio subsystems, and battery-operated instrumentation requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX398EEE+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 semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, communications, and aerospace applications.
The MAX398 belongs to Maxim's precision analog switch product line, engineered for low-leakage, low-distortion signal routing in demanding measurement and control systems where accuracy and reliability are non-negotiable.
FAQ
What is the operating temperature range of the MAX398EEE+T?
The MAX398EEE+T is rated for operation from −40°C to +85°C, as confirmed by its "E" grade designation in the ordering information table. This extended temperature range makes it suitable for industrial control, military radios, and outdoor instrumentation where ambient conditions exceed commercial limits. The MAX398EEE+T undergoes 100% testing at maximum hot operating temperature for leakage parameters.
Is the MAX398EEE+T pin-compatible with the DG408?
Yes, the MAX398EEE+T is explicitly stated as pin compatible with the DG408, DG409, DG508A, and DG509A in the Features section. Its QSOP pinout matches the industry-standard 16-pin layout, allowing direct substitution in existing designs without PCB modification - provided supply and signal voltage levels remain within MAX398EEE+T specifications.
What is the maximum analog signal range supported by the MAX398EEE+T?
The MAX398EEE+T supports an analog signal range of ±4.5V with dual ±5V supplies, or 0V to +4.5V with a +5V single supply, as specified in the Electrical Characteristics tables. This rail-to-rail capability ensures full dynamic range utilization in low-voltage data-acquisition systems and avoids signal clipping when interfacing with modern ADCs and op-amps.
Does the MAX398EEE+T require external protection diodes for overvoltage?
No - the MAX398EEE+T includes internal protection diodes on all analog and supply pins, as noted in Figure 1 and the Absolute Maximum Ratings. However, proper power-supply sequencing (V+ first, then V−, then logic inputs) is recommended. External diodes are only advised if absolute maximum ratings risk being exceeded; their use reduces analog range by ~1.4V but preserves low RON and leakage performance.
How does the charge injection specification impact sample-and-hold performance with the MAX398EEE+T?
The MAX398EEE+T guarantees charge injection <5pC, which directly determines the voltage glitch (ΔV = Q/C) injected into the hold capacitor during channel switching. With a typical 10nF hold capacitor, this yields <0.5mV disturbance - enabling fast settling and high-resolution (>12-bit) accuracy in precision S/H circuits without additional correction circuitry.
MAX398EEE+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- -
- Number of Circuits:
- -
- On-State Resistance (Max):
- -
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- -
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- -
- -3db Bandwidth:
- -
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- -
- Current - Leakage (IS(off)) (Max):
- -
- Crosstalk:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-QSOP
MAX398EEE+T FAQ
1.How can I place an order for MAX398EEE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX398EEE+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 MAX398EEE+T reliable?
The price and inventory of MAX398EEE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX398EEE+T is usually 5 days.
3.What payment methods are accepted for MAX398EEE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX398EEE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX398EEE+T?
MAX398EEE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX398EEE+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 MAX398EEE+T?
For technical support, including MAX398EEE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX398EEE+T requirements.
6.How does Aetrix verify that MAX398EEE+T is sourced from the original manufacturer or authorized distributors?
All MAX398EEE+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 MAX398EEE+T meets industry standards.
7.What is the process for return or replacement of MAX398EEE+T?
All MAX398EEE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX398EEE+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 MAX398EEE+T part is unused and in its original packaging.
Return procedure for MAX398EEE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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