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Analog Devices Inc./Maxim Integrated MAX4608CSE
- Part No.:
- MAX4608CSE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4608CSE.pdf
- Description:
- IC SW SPST-NOX2 2.5OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,632
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Product details
Overview
MAX4608CSE from Maxim Integrated is a dual, normally open (NO), single-pole single-throw (SPST) CMOS analog switch with 2.5Ω maximum on-resistance, rail-to-rail signal handling (±15V dual or +12V single supply), and guaranteed 0.5Ω max on-resistance matching between channels. It operates across -0°C to +70°C and is used in audio-signal routing, test equipment switching, and PBX system signal path control.
For engineers reviewing the MAX4608CSE datasheet, MAX4608CSE pinout, MAX4608CSE application, or MAX4608CSE equivalent, key selection criteria include verified on-resistance flatness (≤0.5Ω over ±10V signal range), off-isolation (-60dB at 1MHz), TTL/CMOS-compatible logic thresholds (+0.8V low / +2.4V high), and SO-16 narrow package compatibility with automated assembly.
Technical Context
The MAX4608CSE implements two independent SPST switches with complementary NO topology-each channel connects COM to NO when its IN input is high. Its BiCMOS process enables low charge injection (45pC) and low leakage (±30nA at TMAX), critical for precision sampling and low-distortion audio paths.
It supports both single-supply (+4.5V to +36V) and dual-supply (±4.5V to ±20V) operation, with logic supply (VL) decoupled from analog rails. Input voltage thresholds are fixed at +0.8V (low) and +2.4V (high), ensuring robust interface with +5V TTL/CMOS controllers without level-shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 2.5Ω max at ±10V signal, enabling <10mV drop at 10mA load - suitable for precision analog signal routing |
| RON Match | 0.5Ω max difference between channels - ensures matched gain/attenuation in differential or dual-path circuits |
| RON Flatness | 0.5Ω max variation over full ±10V signal range - preserves linearity in wide-dynamic-range applications |
| Off-Isolation | -60dB at 1MHz - suppresses crosstalk between active and inactive signal paths in multiplexed systems |
| Turn-On/Off Time | 110ns / 150ns typical - supports >1MHz switching in automated test and data acquisition |
| Charge Injection | 45pC - minimizes voltage glitch on sampled-hold nodes, reducing need for post-switching settling compensation |
| ESD Protection | >2kV per HBM Method 3015.7 - enhances robustness during board handling and system integration |
Pinout & Package
MAX4608CSE is housed in a 16-pin narrow SOIC (SO-16) package, 3.9mm width, RoHS-compliant, with standard 1.27mm pitch and gull-wing leads compatible with reflow soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 6, 8, 10, 15 | No Connection (N.C.) | Internally unconnected; recommended to tie to GND for improved off-isolation and EMI suppression |
| 2, 7 | Logic Input (IN1, IN2) | TTL/CMOS-compatible digital control inputs; high = connect COM to NO, low = open circuit |
| 4 | Negative Analog Supply (V−) | Analog ground reference for dual-supply operation; connect to DGND for single-supply use |
| 5 | Ground (GND) | Digital ground reference; must be tied to V− in single-supply configurations |
| 9, 16 | Normally Open Terminal (NO1, NO2) | Switch output terminal; connected to COM only when corresponding IN is high |
| 11, 14 | Common Terminal (COM1, COM2) | Analog signal input/output node; handles rail-to-rail signals up to ±15V or +12V |
| 12 | Logic Supply (VL) | Independent +5V logic rail; decoupled from analog supplies to prevent noise coupling |
| 13 | Positive Analog Supply (V+) | Main analog power rail; supports +4.5V to +36V (single) or ±4.5V to ±20V (dual) |
Key Features
| Feature | Design Value |
|---|---|
| Low on-resistance with tight matching | 2.5Ω max RON, 0.5Ω max match - maintains signal integrity in dual-channel instrumentation front-ends |
| Rail-to-rail analog signal support | Operates with VCOM from V− to V+ - eliminates level-shifting in ±15V op-amp or DAC interfaces |
| Guaranteed RON flatness | 0.5Ω max variation over ±10V - ensures consistent attenuation across audio or sensor signal ranges |
| Low charge injection | 45pC typical - reduces hold-step error in sample-and-hold circuits and ADC front-ends |
| TTL/CMOS logic compatibility | +0.8V / +2.4V thresholds with ±0.5µA input current - interoperable with microcontrollers and FPGAs without external drivers |
Applications
| Audio-Signal Routing | Automatic Test Equipment (ATE) |
|---|---|
Use Scenario: Switching line-level stereo signals between multiple amplifiers, codecs, or monitoring paths in professional audio mixers. IC Role / Device Role / Timing Role: Dual SPST analog switch providing isolated, low-distortion signal path selection under microcontroller control. Use Value: 2.5Ω RON and 0.5Ω matching preserve channel balance; -66dB crosstalk prevents audible bleed between left/right channels. | Use Scenario: Multiplexing DUT signals to measurement instruments (DMMs, oscilloscopes) in semiconductor wafer probers and board-level testers. IC Role / Device Role / Timing Role: Precision analog switch enabling fast, repeatable connection of test probes to device pins with minimal loading. Use Value: 110ns turn-on time supports high-throughput testing; ±100mA continuous current rating handles moderate drive loads. |
| PBX/PABX Signal Path Control | Avionics Signal Conditioning |
Use Scenario: Routing voice-band analog signals (300Hz–3.4kHz) between trunk lines, extensions, and conferencing modules in telecom switching systems. IC Role / Device Role / Timing Role: Low-leakage (±30nA), rail-to-rail SPST switch managing bidirectional analog voice paths with minimal DC offset. Use Value: 2.5nA max off-leakage at +85°C prevents call-setup errors; SO-16 package supports high-density PCB layouts. | Use Scenario: Selecting sensor inputs (temperature, pressure, position) for analog-to-digital conversion in flight control and navigation subsystems. IC Role / Device Role / Timing Role: High-reliability analog switch isolating critical sensor signals from shared ADC inputs under extended temperature operation. Use Value: -40°C to +85°C qualified variants available; 2kV ESD protection mitigates field-induced latch-up in avionics enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual SPST analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG1419BRUZ | Higher RON (3.4Ω typ), wider temp range (-40°C to +125°C), SPI-controlled | Requires serial interface and external level-shifting for 3.3V logic; better for high-temp industrial PLCs | Select ADG1419BRUZ when SPI control and extended temperature operation outweigh need for lowest RON. |
| TS5A23157DCUR | Lower voltage range (2.5V–5.5V), smaller 8-pin VSSOP, 0.9Ω RON but no dual-supply support | Only suitable for low-voltage, single-supply portable audio or battery-powered sensors | Choose TS5A23157DCUR for compact, low-power consumer designs where ±15V operation is unnecessary. |
Compared with ADG1419BRUZ and TS5A23157DCUR, the MAX4608CSE uniquely balances ultra-low RON, dual-supply flexibility, and industry-standard SO-16 packaging - making it optimal for legacy test gear, telecom infrastructure, and mixed-signal industrial systems requiring proven reliability and broad voltage compatibility.
Availability
MAX4608CSE is available at Aetrix Electronics and suitable for automatic test equipment, PBX signal routing, and audio-signal switching applications requiring stable component supply and long-term manufacturing continuity.
Supply support for MAX4608CSE 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 high-performance analog and mixed-signal ICs for industrial, communications, and computing applications.
The MAX4607/MAX4608/MAX4609 family was engineered specifically for low-distortion, high-fidelity analog signal routing in environments demanding rail-to-rail operation, tight channel matching, and mechanical relay replacement - targeting test instrumentation, telecom infrastructure, and avionics signal conditioning.
FAQ
What is the maximum operating temperature range for the MAX4608CSE?
The MAX4608CSE is rated for operation from 0°C to +70°C. This commercial-grade temperature range is validated per the device's ordering information and absolute maximum ratings table. For extended temperature operation, consider the MAX4608ESE variant (-40°C to +85°C). The MAX4608CSE's thermal performance is specified with derating curves for power dissipation above +70°C in its SO-16 package.
Does the MAX4608CSE support dual-supply operation, and what are the valid voltage ranges?
Yes, the MAX4608CSE supports dual-supply operation with V+ and V− rails ranging from ±4.5V to ±20V. It also supports single-supply operation from +4.5V to +36V. The logic supply VL is independently rated from (GND − 0.3V) to (V+ + 0.3V), typically +5V. All specifications-including on-resistance, leakage, and switching times-are guaranteed across these ranges per the Electrical Characteristics tables in the official datasheet.
How does the MAX4608CSE differ from the MAX4607CSE and MAX4609CSE in functionality?
The MAX4608CSE contains two normally open (NO) SPST switches, whereas the MAX4607CSE has two normally closed (NC) switches, and the MAX4609CSE integrates one NC and one NO switch. All three share identical electrical specs (RON, leakage, timing), package, and pinout - only the default switch state differs. This allows direct PCB reuse across variants when logic polarity or fail-safe behavior requirements change in the system design.
What is the purpose of the VL pin on the MAX4608CSE, and how should it be connected?
The VL pin on the MAX4608CSE provides a dedicated logic supply reference, independent of the analog V+ and V− rails. It must be connected to a stable +5V source to ensure correct TTL/CMOS input threshold levels (+0.8V low, +2.4V high). Decoupling VL with a 0.1µF capacitor to GND is recommended. Connecting VL to V+ or V− is not permitted and may cause logic malfunction or damage.
Can the MAX4608CSE be used in high-frequency signal routing above 1MHz?
The MAX4608CSE provides -60dB off-isolation and -66dB crosstalk at 1MHz, but its off-isolation degrades significantly above 5MHz due to capacitive coupling. At 100MHz, off-isolation drops below -20dB. For RF or high-speed digital signal routing above 5MHz, Maxim recommends alternatives like the MAX440 series, which are fully characterized to 160MHz. The MAX4608CSE remains optimal for audio, DC–1MHz analog multiplexing, and precision instrumentation.
MAX4608CSE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 2.5Ohm
- Channel-to-Channel Matching (ΔRon):
- 50mOhm
- Voltage - Supply, Single (V+):
- 4.5V ~ 36V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 110ns, 150ns
- -3db Bandwidth:
- -
- Charge Injection:
- 45pC
- Channel Capacitance (CS(off), CD(off)):
- 64pF, 64pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -66dB @ 1MHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX4608CSE FAQ
1.How can I place an order for MAX4608CSE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4608CSE 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 MAX4608CSE reliable?
The price and inventory of MAX4608CSE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4608CSE is usually 5 days.
3.What payment methods are accepted for MAX4608CSE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4608CSE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4608CSE?
MAX4608CSE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4608CSE 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 MAX4608CSE?
For technical support, including MAX4608CSE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4608CSE requirements.
6.How does Aetrix verify that MAX4608CSE is sourced from the original manufacturer or authorized distributors?
All MAX4608CSE 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 MAX4608CSE meets industry standards.
7.What is the process for return or replacement of MAX4608CSE?
All MAX4608CSE units undergo pre-shipment inspection (PSI). If there is an issue with MAX4608CSE, 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 MAX4608CSE part is unused and in its original packaging.
Return procedure for MAX4608CSE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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