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Analog Devices Inc./Maxim Integrated MAX398EPE
- Part No.:
- MAX398EPE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
MAX398EPE.pdf
- Description:
- IC MUX 8:1 100OHM 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,218
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Product details
Overview
MAX398EPE from Maxim Integrated is an 8-channel precision CMOS analog multiplexer with low on-resistance (<100Ω), matched within 6Ω between channels, flat on-resistance (≤11Ω over signal range), and guaranteed low charge injection (<5pC). It operates from +3V to +15V single supply or ±3V to ±8V dual supplies and is used in battery-operated data-acquisition systems requiring rail-to-rail signal handling and minimal channel crosstalk.
For engineers reviewing the MAX398EPE datasheet, MAX398EPE pinout, MAX398EPE application, or MAX398EPE equivalent, key selection criteria include on-resistance matching, leakage performance at +85°C, enable-controlled switching timing, and compatibility with legacy DG408/DG508A layouts in industrial and military signal routing designs.
Technical Context
The MAX398EPE implements a monolithic CMOS switch architecture with silicon-gate process optimization for low charge injection and ESD robustness (>2000V). Its decoder logic accepts three address bits (A0–A2) and an active-high enable (EN) to select one of eight bidirectional analog channels (NO1–NO8) to the common port (COM).
It supports rail-to-rail analog signal handling across its full specified supply range, maintains TTL/CMOS logic compatibility, and guarantees flat on-resistance over ±4.5V signal swing under dual-supply operation - critical for precision sample-and-hold and audio routing where gain error and distortion must be minimized.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channel count | 8-channel single-ended analog multiplexer with COM/NO topology |
| On-resistance (RON) | <100Ω typical at +25°C, enabling ≤0.1% gain error in 1kΩ source/load impedance applications |
| RON matching | <6Ω max mismatch between any two channels, ensuring consistent channel-to-channel gain in multi-sensor systems |
| Charge injection | <5pC max, limiting voltage glitch on hold capacitors to <5mV with 1nF sampling capacitor |
| Off-leakage (NO/COM) | <2.5nA at +85°C, preserving accuracy in high-impedance sensor front-ends over temperature |
| Supply range | +3V to +15V single supply or ±3V to ±8V dual supply - supports portable and bipolar instrumentation rails |
| Switching speed | Transition time <250ns, enabling multiplexing rates up to ~2MHz in fast data acquisition |
Pinout & Package
MAX398EPE is supplied in a 16-pin plastic DIP (P16-1) package with through-hole mounting. Pin 1 is A0 (LSB address), pins 2–7 and 9–12 are NO1–NO8 inputs, pin 8 is COM, pin 13 is V+, pin 14 is GND, pin 15 is V−, and pin 16 is EN. Address lines A1 and A2 are on pins 15 and 16 respectively in SO/QSOP variants but mapped to pins 1 and 15 in DIP per datasheet pin description table.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | A0 (Address LSB) | Selects channel index bit 0; referenced to GND, CMOS/TTL compatible |
| 2–7 | NO1–NO4 (Analog Inputs) | Bidirectional analog ports; routed to COM when selected, high-impedance when off |
| 8 | COM (Common Port) | Single bidirectional analog I/O shared across all 8 channels |
| 9–12 | NO5–NO8 (Analog Inputs) | Continuation of input bank; identical electrical specs to NO1–NO4 |
| 13 | V+ | Positive supply rail; exposed pad (in QFN) connects here - not present in DIP |
| 14 | GND | Ground reference for logic and analog sections; decoupling required near pin |
| 15 | V− | Negative supply rail for dual-supply operation; tied to GND for single-supply use |
| 16 | EN (Enable) | Active-high digital control; disables all switches when low, reducing system power leakage |
Key Features
| Feature | Design Value |
|---|---|
| PIN-compatible with DG408/DG508A | Direct drop-in replacement in existing layouts without PCB revision |
| Rail-to-rail signal handling | Supports analog signals from V− to V+ without clipping, essential for full-scale sensor interfacing |
| Guaranteed flat RON (≤11Ω) | Minimizes harmonic distortion and gain nonlinearity across signal range in audio and measurement paths |
| ESD protection >2000V | Meets HBM Class 2 requirements, reducing need for external protection in field-deployed equipment |
| Low power consumption (<300µW) | Enables integration into always-on battery-powered monitoring nodes with multi-year runtime |
Applications
| Sample-and-Hold Circuits | Automatic Test Equipment |
|---|---|
Use Scenario: Multiplexing multiple sensor outputs into a single ADC input while maintaining signal integrity during hold phase. IC Role / Device Role / Timing Role: Precision analog switch controlling connection between sensor array and sampling capacitor. Use Value: Low charge injection (<5pC) limits hold-step error to <5mV with 1nF capacitor, preserving 12-bit+ resolution. |
Use Scenario: Routing stimulus signals and responses across dozens of DUT channels in rack-mounted test systems. IC Role / Device Role / Timing Role: High-reliability channel selector enabling parallel test execution with minimal cross-talk. Use Value: Off-isolation >75dB and crosstalk <−92dB prevent signal bleed between adjacent test fixtures. |
| Military Radios | Battery-Operated Systems |
Use Scenario: Signal path switching in secure comms transceivers requiring wide temperature operation and ESD resilience. IC Role / Device Role / Timing Role: Analog mux managing antenna diversity, filter banks, and IF routing under harsh environmental stress. Use Value: Specified −40°C to +85°C operation (E-grade) and >2000V HBM ESD ensure field reliability without derating. |
Use Scenario: Low-power sensor hub aggregating temperature, pressure, and acceleration data before wireless transmission. IC Role / Device Role / Timing Role: Energy-efficient analog front-end switch enabling duty-cycled sensing. Use Value: <300µW quiescent power and single +3V operation extend coin-cell life beyond 5 years. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG408BRZ | 8-channel, 28Ω typical RON, ±5V only supply, no single-supply support below +5V | Less suitable for +3V battery systems; higher RON increases gain error in high-Z sensor interfaces | Prefer MAX398EPE when operating from +3V or requiring guaranteed flat RON over full signal range |
| TMUX6208PWR | 8-channel, 3.5Ω RON, but requires minimum +4.5V supply and has higher charge injection (10pC) | Not viable for low-voltage precision hold circuits; better for high-speed, low-RON digital signal routing | Choose MAX398EPE for sub-+5V operation, <5pC charge injection, and extended temperature compliance |
Compared with ADG408BRZ and TMUX6208PWR, the MAX398EPE uniquely combines single +3V capability, <5pC charge injection, and −40°C to +85°C guaranteed performance - making it optimal for portable, precision, and ruggedized analog signal routing where supply headroom and hold accuracy are constrained.
Availability
MAX398EPE is available at Aetrix Electronics and suitable for automatic test equipment, battery-operated sensor hubs, and military radio signal routing requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX398EPE 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 and mixed-signal ICs for industrial, automotive, and communications applications, emphasizing low-power, high-reliability, and ruggedized performance.
The MAX398EPE belongs to Maxim's precision analog multiplexer product line, engineered for applications demanding low distortion, minimal switching artifacts, and seamless interoperability with legacy industry-standard pinouts.
FAQ
What supply voltage ranges does the MAX398EPE support?
The MAX398EPE supports a single +3V to +15V supply or bipolar ±3V to ±8V supplies. When using single supply, V− must be connected to GND. Operation at +3V is fully specified, including on-resistance (425Ω max) and transition time (230ns to 575ns), making it suitable for ultra-low-power battery systems. The MAX398EPE maintains rail-to-rail analog signal handling across all supported supply configurations.
How does the MAX398EPE ensure low distortion in precision signal routing?
The MAX398EPE ensures low distortion via guaranteed flat on-resistance (≤11Ω variation over ±4.5V signal range) and low charge injection (<5pC), which minimizes voltage glitches on sampling capacitors. Its matched channel on-resistance (<6Ω max mismatch) preserves gain consistency across multiplexed sensor inputs. These characteristics directly reduce harmonic distortion and differential nonlinearity in audio and measurement signal chains where the MAX398EPE is deployed.
Is the MAX398EPE pin-compatible with older industry-standard multiplexers?
Yes, the MAX398EPE is explicitly pin-compatible with the DG408, DG409, DG508A, and DG509A multiplexers in 16-pin DIP, SO, and QSOP packages. This allows direct replacement in legacy designs without PCB layout changes. The pin mapping for address lines (A0–A2), enable (EN), COM, NO1–NO8, V+, V−, and GND matches the DG408 footprint, simplifying upgrade paths for improved leakage, speed, and low-voltage operation.
What is the maximum operating temperature specification for the MAX398EPE?
The MAX398EPE is rated for operation from −40°C to +85°C (E-grade), with all key parameters - including NO/COM off-leakage (<2.5nA), on-resistance, and switching timing - guaranteed across this full range. Leakage currents are 100% tested at +85°C and correlated at +25°C. This makes the MAX398EPE suitable for industrial control cabinets, outdoor telemetry units, and military platforms where ambient thermal extremes are expected.
Does the MAX398EPE require external protection diodes for overvoltage conditions?
No, external protection diodes are not recommended for the MAX398EPE when operating from a single supply. Internal protection diodes clamp signals exceeding V+ or V−, and proper power sequencing (V+ first, then V−, then logic) is sufficient. If uncontrolled supply sequencing is unavoidable in bipolar operation, small-signal diodes may be added in series with V+ and V−, but this reduces analog signal range by ~1.4V and is unnecessary for standard use cases involving the MAX398EPE.
MAX398EPE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 8:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 100Ohm
- Channel-to-Channel Matching (ΔRon):
- 6Ohm (Max)
- Voltage - Supply, Single (V+):
- 3V ~ 15V
- Voltage - Supply, Dual (V±):
- ±3V ~ 8V
- Switch Time (Ton, Toff) (Max):
- 150ns, 150ns
- -3db Bandwidth:
- -
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 11pF, 40pF
- Current - Leakage (IS(off)) (Max):
- 100pA
- Crosstalk:
- -92dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-PDIP
MAX398EPE FAQ
1.How can I place an order for MAX398EPE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX398EPE 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 MAX398EPE reliable?
The price and inventory of MAX398EPE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX398EPE is usually 5 days.
3.What payment methods are accepted for MAX398EPE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX398EPE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX398EPE?
MAX398EPE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX398EPE 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 MAX398EPE?
For technical support, including MAX398EPE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX398EPE requirements.
6.How does Aetrix verify that MAX398EPE is sourced from the original manufacturer or authorized distributors?
All MAX398EPE 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 MAX398EPE meets industry standards.
7.What is the process for return or replacement of MAX398EPE?
All MAX398EPE units undergo pre-shipment inspection (PSI). If there is an issue with MAX398EPE, 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 MAX398EPE part is unused and in its original packaging.
Return procedure for MAX398EPE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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