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Analog Devices Inc./Maxim Integrated MAX398CSE+
- Part No.:
- MAX398CSE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX398CSE+.pdf
- Description:
- IC MUX 8:1 100OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:137
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Product details
Overview
The MAX398CSE+ 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 dual or 0–4.5V single supply), and operates from +3V to +15V or ±3V to ±8V supplies - enabling high-accuracy sampling in battery-powered and industrial instrumentation.
For engineers reviewing the MAX398CSE+ datasheet, MAX398CSE+ pinout, MAX398CSE+ application, or MAX398CSE+ equivalent, key selection criteria include guaranteed on-resistance flatness (<11Ω), sub-250ns transition time, NO/COM off-leakage <2.5nA at +85°C, and pin compatibility with DG408/DG508A - critical for legacy design upgrades and low-noise analog switching.
Technical Context
The MAX398CSE+ uses Maxim's low-voltage silicon-gate CMOS process to achieve ultra-low charge injection (<5pC) and ESD robustness (>2000V). Its decoder-driven 3-bit address logic (A0/A1/A2) selects one of eight bidirectional analog channels to the common COM terminal, with independent enable (EN) control for system-level power gating.
It supports both single-supply (+3V to +15V, V− tied to GND) and bipolar-supply (±3V to ±8V) operation without performance degradation. Analog signal range scales with supply rails - e.g., ±4.5V with ±5V supplies - and on-resistance remains flat across the full signal range, minimizing harmonic distortion in precision measurement paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 60Ω typ. (at +25°C, VCOM = ±3V); ensures minimal signal attenuation and gain error in sensor front-ends. |
| RON Matching | <6Ω max. between channels; enables precise ratiometric measurements and matched gain paths in multi-channel systems. |
| On-Resistance Flatness | <11Ω max. over full analog range; maintains consistent channel gain and THD across input voltage swing. |
| Charge Injection | <5pC typ.; reduces settling error and pedestal distortion in sample-and-hold circuits and ADC drivers. |
| NO Off-Leakage Current | <2.5nA at +85°C; prevents DC offset drift and long-term integration errors in high-impedance sensor interfaces. |
| Supply Range | +3V to +15V single or ±3V to ±8V dual; supports portable, industrial, and military-grade power architectures. |
| Transition Time | <250ns (V+ = +5.5V, V− = −5.5V); enables fast channel switching in automated test equipment (ATE) scan sequences. |
Pinout & Package
Narrow 16-pin SOIC package (S16-1), 150-mil body width, with exposed pad (EP) connected to V+ per datasheet recommendation for thermal and ESD performance.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1, 15, 16 | A0, A1, A2 | 3-bit binary address inputs selecting one of eight analog channels (NO1–NO8) to COM. |
| 2 | EN | Active-high enable; disables all switches when low, reducing leakage and power in standby mode. |
| 3 | V− | Negative supply rail; required for bipolar operation; tied to GND for single-supply use. |
| 4–7 | NO1–NO4 | Bidirectional analog inputs/outputs; routed to COM when selected by A2:A0 and EN = high. |
| 8 | COM | Common analog I/O terminal; connects to selected NOx channel; supports rail-to-rail signal swing. |
| 9–12 | NO8–NO5 | Bidirectional analog inputs/outputs; continuation of channel set (NO5–NO8), numbered in reverse order per pinout diagram. |
| 13 | V+ | Positive supply rail; powers internal logic and switch array; EP must be connected to this pin. |
| 14 | GND | Analog/digital ground reference; decoupling capacitor required near V+/GND pins for noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| PIN-compatible with DG408/DG508A | Direct drop-in replacement for industry-standard 8-channel muxes - no PCB or firmware changes required. |
| Rail-to-rail signal handling | Supports analog signals from V− to V+ (e.g., −4.5V to +4.5V), preserving full dynamic range in ±5V systems. |
| TTL/CMOS logic compatibility | Accepts 0.8V/2.4V logic thresholds across full temperature range - interoperable with microcontrollers and FPGAs. |
| Guaranteed low charge injection (<5pC) | Minimizes voltage glitch on COM during channel switching - essential for precision sample-and-hold accuracy. |
| ESD protection >2000V | HBM-rated for robust handling in manufacturing and field environments without external protection diodes. |
Applications
| Sample-and-Hold Circuits | Automatic Test Equipment |
|---|---|
|
Use Scenario: Multiplexing multiple sensor outputs into a single high-resolution ADC with minimal settling error. IC Role / Device Role / Timing Role: Precision analog switch controlling signal path to S/H capacitor; timing-critical during acquisition phase. Use Value: <5pC charge injection and <11Ω RON flatness ensure sub-LSB error and fast settling to 16-bit accuracy. |
Use Scenario: High-speed channel scanning across DUT signal lines during functional testing. IC Role / Device Role / Timing Role: 8-channel analog router enabling sequential stimulus/response measurement under software control. Use Value: <250ns transition time and <6Ω RON matching allow consistent test throughput and measurement repeatability. |
| Military Radios | Battery-Operated Systems |
|
Use Scenario: Signal routing between RF front-end modules, audio codecs, and encryption ICs in compact transceivers. IC Role / Device Role / Timing Role: Low-leakage, high-isolation analog switch isolating sensitive receive paths from transmit noise. Use Value: <2.5nA NO off-leakage at +85°C and >75dB off-isolation maintain SNR integrity in harsh thermal environments. |
Use Scenario: Power-conscious analog signal selection in portable medical monitors or handheld meters. IC Role / Device Role / Timing Role: Low-quiescent-current analog mux enabling duty-cycled sensor readout to extend battery life. Use Value: <300µW typical power dissipation and +3V minimum supply support ultra-low-power operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX398EEE+ | Extended temperature range (−40°C to +85°C) vs. MAX398CSE+ (0°C to +70°C); identical electrical specs and pinout. | Suitable for industrial outdoor or automotive under-hood deployments where ambient extremes exceed commercial grade. | Select MAX398EEE+ when operating beyond 0°C–70°C; otherwise MAX398CSE+ is optimal for cost-sensitive commercial designs. |
| DG408DN+ | Higher on-resistance (100Ω typ.), higher charge injection (25pC), no guaranteed RON matching; same 16-pin SOIC footprint. | Acceptable for non-critical signal routing but unsuitable for precision metrology or low-distortion audio paths. | Choose DG408DN+ only for legacy cost-down where <6Ω matching and <5pC injection are not required. |
Compared with MAX398EEE+, the MAX398CSE+ offers lower cost and sufficient performance for commercial instrumentation, while DG408DN+ trades precision for broader legacy availability - making MAX398CSE+ the balanced choice for new designs needing guaranteed matching and low charge injection within 0°C–70°C.
Availability
MAX398CSE+ is available at Aetrix Electronics and suitable for automatic test equipment, portable instrumentation, and military communications systems requiring stable component supply and long-term manufacturability.
Supply support for MAX398CSE+ 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 fabless semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, communications, and computing markets.
The MAX398 is part of Maxim's precision analog multiplexer product line, engineered for low-distortion, low-leakage signal routing in data-acquisition, test, and measurement systems demanding guaranteed matching and rail-to-rail operation.
FAQ
What supply configurations does the MAX398CSE+ support?
The MAX398CSE+ operates from a single +3V to +15V supply (with V− tied to GND) or bipolar ±3V to ±8V supplies. It retains full performance - including <100Ω RON, <5pC charge injection, and TTL/CMOS logic compatibility - across both configurations. The analog signal range scales directly with supply rails, e.g., ±4.5V with ±5V supplies.
Is the MAX398CSE+ pin-compatible with the DG408?
Yes, the MAX398CSE+ is fully pin-compatible with the DG408, DG409, DG508A, and DG509A. All share identical 16-pin SOIC pinouts, address logic (A0–A2), enable (EN), COM, and NOx terminal assignments - enabling direct replacement without layout modification or firmware updates.
What is the maximum allowable analog signal range for the MAX398CSE+?
The MAX398CSE+ supports rail-to-rail analog signals from V− to V+. With ±5V supplies, the usable range is ±4.5V; with +5V/V− = GND, it is 0V to +4.5V. This range is guaranteed by design and validated across temperature - ensuring consistent linearity and low THD in precision signal chains.
How does the MAX398CSE+ handle charge injection in sample-and-hold applications?
The MAX398CSE+ guarantees <5pC typical charge injection, measured at VCOM = ±3V, V+ = +5V, V− = −5V. This low value minimizes voltage glitches on the hold capacitor during channel switching, enabling fast settling and sub-LSB accuracy in 12–16-bit data-acquisition systems - confirmed by Figure 5 in the datasheet.
Does the MAX398CSE+ require external protection diodes for overvoltage?
No - the MAX398CSE+ integrates internal protection diodes and is rated for >2000V HBM ESD. External diodes are unnecessary and discouraged per Maxim's Application Information section, as they reduce analog signal range without improving reliability. Proper supply sequencing (V+ first, then V−, then logic) is recommended instead.
MAX398CSE+ 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):
- 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:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX398CSE+ FAQ
1.How can I place an order for MAX398CSE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX398CSE+ 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 MAX398CSE+ reliable?
The price and inventory of MAX398CSE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX398CSE+ is usually 5 days.
3.What payment methods are accepted for MAX398CSE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX398CSE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX398CSE+?
MAX398CSE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX398CSE+ 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 MAX398CSE+?
For technical support, including MAX398CSE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX398CSE+ requirements.
6.How does Aetrix verify that MAX398CSE+ is sourced from the original manufacturer or authorized distributors?
All MAX398CSE+ 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 MAX398CSE+ meets industry standards.
7.What is the process for return or replacement of MAX398CSE+?
All MAX398CSE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX398CSE+, 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 MAX398CSE+ part is unused and in its original packaging.
Return procedure for MAX398CSE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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