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Analog Devices Inc./Maxim Integrated MAX398CSE+G55
- Part No.:
- MAX398CSE+G55
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX398CSE+G55.pdf
- Description:
- IC MUX 8:1 100OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,212
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Product details
Overview
The MAX398CSE+G55 from Maxim Integrated is a precision 8-channel CMOS analog multiplexer designed for low-distortion signal routing in precision 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 use in battery-powered instrumentation and military-grade guidance systems.
For engineers reviewing the MAX398CSE+G55 datasheet, MAX398CSE+G55 pinout, MAX398CSE+G55 application, or MAX398CSE+G55 equivalent, key selection criteria include guaranteed on-resistance flatness (<11Ω), sub-250ns transition time, NO/COM off-leakage <2.5nA at +85°C, ESD protection >2000V, and pin compatibility with DG408/DG508A - critical for legacy system upgrades and high-reliability signal switching.
Technical Context
The MAX398CSE+G55 implements an 8:1 bidirectional analog switch architecture with three address inputs (A0–A2) and an active-high enable (EN), supporting break-before-make switching with a guaranteed 40ns minimum open interval. Its silicon-gate CMOS process ensures TTL/CMOS logic compatibility, low input loading (<0.1µA), and stable performance across temperature (0°C to +70°C).
It supports both unipolar and bipolar operation without external level-shifting: VCOM/VNO swing fully rail-to-rail within supply rails, while leakage currents (ICOM(OFF), INO(OFF)) remain tightly specified over temperature and supply voltage - making it suitable for sample-and-hold circuits requiring minimal droop and charge feedthrough.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 60Ω typ., ≤100Ω max - ensures minimal gain error and signal attenuation in precision sensor front-ends |
| RON Matching | <6Ω between channels - enables accurate ratiometric measurements across multiple sensor inputs |
| Charge Injection | <5pC - limits voltage step error in sample-and-hold applications with 10nF hold capacitors |
| Transition Time | <250ns - supports multiplexing of signals up to ~1.5MHz without significant edge distortion |
| Analog Signal Range | ±4.5V (dual) or 0–4.5V (single) - accommodates full-scale industrial sensor outputs and audio line-level signals |
| Off-Leakage Current | <2.5nA at +85°C - preserves accuracy in high-impedance, low-current measurement paths |
| ESD Protection | >2000V HBM - enhances robustness during board handling and system integration |
Pinout & Package
MAX398CSE+G55 is housed in a 16-pin narrow SO (SOIC-N) package (S16-1), 3.9mm width, with standard lead pitch (1.27mm) and exposed pad not present - distinct from QFN variants (e.g., MAX398CGE). Pin 1 is A0; pin 2 is EN; pin 3 is V−; pins 4–7 are NO1–NO4; pin 8 is COM; pins 9–12 are NO8–NO5; pin 13 is V+; pin 14 is GND; pin 15 is A1; pin 16 is A2.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1, 15, 16 | A0, A1, A2 | Binary address inputs selecting one of eight analog channels (000–111) |
| 2 | EN | Active-high enable: disables all switches when low, prevents channel contention |
| 3 | V− | Negative supply rail (bipolar mode) or ground reference (single-supply mode) |
| 4–7, 9–12 | NO1–NO4, NO8–NO5 | Bidirectional analog inputs - numbered non-sequentially to match internal layout symmetry |
| 8 | COM | Common analog I/O terminal - connects to selected NOx channel when enabled |
| 13 | V+ | Positive supply rail (3V–15V single or ±3V–±8V dual) |
| 14 | GND | Logic and substrate reference - must be tied to system ground for noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| Precision RON flatness | <11Ω variation over full analog signal range - maintains consistent gain across input voltage swing |
| Guaranteed RON matching | <6Ω channel-to-channel - eliminates calibration drift in multi-channel differential measurements |
| Rail-to-rail signal handling | Supports VCOM/VNO = V− to V+ - enables direct interface with op-amps and ADCs without level shifters |
| Low power consumption | <300µW typical - extends battery life in portable test equipment and handheld instruments |
| DG408/DG508A pin compatibility | Direct drop-in replacement for legacy designs - no PCB redesign required for upgrade path |
Applications
| Sample-and-Hold Circuits | Automatic Test Equipment |
|---|---|
Use Scenario: Multiplexing multiple sensor outputs into a single high-precision ADC with minimal settling error. IC Role / Device Role / Timing Role: 8:1 analog switch controlling signal path to hold capacitor; break-before-make timing prevents charge sharing. Use Value: <5pC charge injection and <2.5nA off-leakage at +85°C ensure <0.01% droop over 10ms hold time with 10nF capacitor. |
Use Scenario: Routing stimulus and response signals between DUT and measurement instruments in modular ATE racks. IC Role / Device Role / Timing Role: High-isolation (–75dB crosstalk) channel selector enabling simultaneous multi-DUT testing without interference. Use Value: <250ns transition time and ±4.5V signal range support 1MHz waveform generation and capture across 8 test points. |
| Military Radios | Battery-Operated Systems |
Use Scenario: Switching RF front-end filters and antenna paths in compact, ruggedized comms modules. IC Role / Device Role / Timing Role: Low-leakage, ESD-hardened analog mux managing bias and signal routing under wide temperature (-40°C to +85°C rated variants exist). Use Value: >2000V HBM ESD rating and guaranteed <2.5nA leakage at +85°C ensure reliability in field-deployed radio subsystems. |
Use Scenario: Managing analog sensor inputs (temperature, pressure, battery voltage) in ultra-low-power IoT edge nodes. IC Role / Device Role / Timing Role: Low-quiescent-current (sub-1µA) analog switch enabling duty-cycled sensing with minimal standby drain. Use Value: <300µW operating power and +3V minimum supply allow direct connection to Li-ion or coin-cell sources without regulators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX398EEE | Same functionality and pinout; extended temperature range (–40°C to +85°C) and QSOP package | Suitable for industrial control cabinets and automotive test rigs requiring wider thermal margin | Select MAX398EEE when ambient operating temperature exceeds +70°C or QSOP footprint is preferred |
| DG408DN | Industry-standard 8-channel mux; higher RON (100Ω typ.), no guaranteed RON matching or charge injection spec | Acceptable for non-precision applications like audio routing or general-purpose signal selection | Choose DG408DN only if cost sensitivity outweighs need for <6Ω matching and <5pC charge injection |
Compared with MAX398EEE, the MAX398CSE+G55 offers identical electrical performance but is limited to 0°C to +70°C operation and uses narrow SO packaging - ideal for commercial instrumentation where thermal margin and board space are balanced. Against DG408DN, MAX398CSE+G55 provides quantifiable improvements in precision metrics critical for metrology-grade systems.
Availability
MAX398CSE+G55 is available at Aetrix Electronics and suitable for automatic test equipment, battery-operated instrumentation, and military communications systems requiring stable component supply across long production lifecycles.
Supply support for MAX398CSE+G55 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 series belongs to Maxim's precision analog switch product line, engineered specifically for low-leakage, low-charge-injection signal routing in data-acquisition, test, and measurement systems demanding metrological integrity.
FAQ
What supply voltages does the MAX398CSE+G55 support?
The MAX398CSE+G55 operates from a single +3V to +15V supply or bipolar ±3V to ±8V supplies. When using single supply, V− must be connected to GND. The device maintains full rail-to-rail analog signal range (e.g., 0V to V+ or ±Vsup) across this range, with verified performance at +3V, +5V, and ±5V per datasheet Figures 3–4. MAX398CSE+G55 exhibits increased transition time at lower voltages but retains functional integrity down to +3V.
Is the MAX398CSE+G55 pin-compatible with the DG408?
Yes, the MAX398CSE+G55 is explicitly pin-compatible with the industry-standard DG408, DG409, DG508A, and DG509A multiplexers. Pin assignments for address lines (A0–A2), enable (EN), common (COM), analog inputs (NO1–NO8), supply rails (V+, V−), and ground (GND) match exactly in the 16-pin narrow SO package. This allows direct replacement in existing DG408-based designs without PCB modification - a key advantage highlighted in the MAX398/MAX399 datasheet Feature list.
What is the maximum analog signal range for MAX398CSE+G55 at ±5V supplies?
At ±5V dual supplies, the MAX398CSE+G55 supports an analog signal range of ±4.5V on both COM and NO terminals - i.e., signals may swing from –4.5V to +4.5V relative to GND. This is confirmed in the Electrical Characteristics table (page 2) under "Analog Signal Range" with conditions V+ = +5.5V, V− = –5.5V. Exceeding ±4.5V risks increased leakage and potential damage, as absolute maximum ratings limit VCOM/VNO to V− – 0.3V and V+ + 0.3V.
How does charge injection affect sample-and-hold performance with MAX398CSE+G55?
Charge injection of <5pC (typ.) in the MAX398CSE+G55 causes a voltage step on the hold capacitor when a channel turns off. For a 10nF capacitor, this results in a worst-case error of 0.5mV (ΔV = Q/C). This is documented in Figure 5 and Table 3 of the datasheet. In precision sample-and-hold circuits, this error is mitigated by using smaller hold capacitors or post-calibration - and MAX398CSE+G55's guaranteed <5pC spec makes it significantly more accurate than alternatives like DG408 (unspecified charge injection).
Does MAX398CSE+G55 require external protection diodes for overvoltage?
No, external protection diodes are not recommended for the MAX398CSE+G55 when operating from a single supply, per datasheet Application Information (page 7). Internal protection diodes clamp signals exceeding V+ or V−, but exceeding absolute maximum ratings (e.g., V+ > +17V or V− < –17V) can cause permanent damage. Proper supply sequencing - V+ first, then V−, then logic inputs - is mandatory. If sequencing cannot be guaranteed, external diodes may be added for dual-supply operation only, reducing analog range by one diode drop.
MAX398CSE+G55 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:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX398CSE+G55 FAQ
1.How can I place an order for MAX398CSE+G55 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX398CSE+G55 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+G55 reliable?
The price and inventory of MAX398CSE+G55 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX398CSE+G55 is usually 5 days.
3.What payment methods are accepted for MAX398CSE+G55?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX398CSE+G55 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX398CSE+G55?
MAX398CSE+G55 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX398CSE+G55 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+G55?
For technical support, including MAX398CSE+G55 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX398CSE+G55 requirements.
6.How does Aetrix verify that MAX398CSE+G55 is sourced from the original manufacturer or authorized distributors?
All MAX398CSE+G55 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+G55 meets industry standards.
7.What is the process for return or replacement of MAX398CSE+G55?
All MAX398CSE+G55 units undergo pre-shipment inspection (PSI). If there is an issue with MAX398CSE+G55, 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+G55 part is unused and in its original packaging.
Return procedure for MAX398CSE+G55:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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