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Analog Devices Inc./Maxim Integrated MAX4603EPE
- Part No.:
- MAX4603EPE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
MAX4603EPE.pdf
- Description:
- IC SW SPST-NO/NCX4 2.5OHM 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,993
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Product details
Overview
MAX4603EPE from Maxim Integrated is a quad SPST analog switch IC with two normally closed (NC) and two normally open (NO) channels, 2.5Ω max on-resistance, ±4.5V to ±20V dual-supply or +4.5V to +36V single-supply operation, and rail-to-rail analog signal handling up to ±10V - used in PBX systems for audio-signal routing and reed-relay replacement.
For engineers reviewing the MAX4603EPE datasheet, MAX4603EPE pinout, MAX4603EPE application, or MAX4603EPE equivalent, key selection criteria include guaranteed RON match (0.5Ω max), off-leakage current ≤0.5nA at +85°C, TTL/CMOS-compatible logic thresholds, and 16-pin plastic DIP package compatibility with legacy test equipment layouts.
Technical Context
The MAX4603EPE implements four independent CMOS transmission-gate switches in a single monolithic die, with dedicated IN/COM/NO/NC terminals per channel and separate VL logic supply input for level-shifting flexibility. Its architecture ensures matched RON across channels and flat on-resistance over full signal range (±10V).
It supports both single- and dual-supply configurations without internal level translation circuitry - logic inputs reference VL, while analog paths operate between V+ and V− (or GND). ESD protection exceeds 2000V per Method 3015.7, and all analog pins tolerate signals beyond rails via internal clamping diodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 2.5Ω maximum - enables low insertion loss and minimal voltage drop in precision signal paths. |
| RON Match | 0.5Ω maximum between channels - critical for balanced multiplexing and differential signal integrity. |
| RON Flatness | 0.5Ω maximum over ±10V signal range - preserves linearity in audio and instrumentation applications. |
| Off-Leakage Current | 0.5nA maximum at +85°C - ensures high-impedance isolation for sensitive sensor front-ends. |
| Supply Range | +4.5V to +36V (single) or ±4.5V to ±20V (dual) - supports industrial, telecom, and avionics power architectures. |
| Logic Thresholds | +0.8V low / +2.4V high - guarantees direct interface with TTL and CMOS logic at ±15V or +12V supplies. |
| Turn-On/Off Time | 160ns / 170ns typical (VCOM = 10V, RL = 100Ω, CL = 35pF) - suitable for medium-speed switching in test and comms systems. |
Pinout & Package
MAX4603EPE uses a 16-pin plastic DIP (dual in-line package) with 0.3-inch body width and standard through-hole mounting. Pin spacing is 0.1 inch, compatible with legacy prototyping and production PCB footprints.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8, 9, 16 | IN1–IN4 | Digital control inputs - active-high logic determines NO/NC channel state per switch pair. |
| 2, 7, 10, 15 | COM1–COM4 | Analog common terminals - bidirectional signal path connection point for each SPST switch. |
| 3, 6, 11, 14 | NC1–NC4 | Normally closed analog terminals - connected to COM when IN = 0; MAX4603 uses NC1, NC2, NO3, NO4. |
| 4 | V− | Negative analog supply - tied to GND for single-supply operation; sets lower rail for analog signal swing. |
| 5 | GND | Digital ground reference - separate from analog return; decoupling required near VL and V± pins. |
| 12 | VL | Logic supply input - independently biased (typically +5V) to set logic threshold levels regardless of analog supply. |
| 13 | V+ | Positive analog supply - defines upper analog rail; must be ≥ |V−| + 0.3V per absolute max ratings. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports continuous ±10V differential signals without clipping or distortion - essential for audio and sensor conditioning. |
| Guaranteed RON match & flatness | 0.5Ω max mismatch and flatness enable precise gain matching in multi-channel data acquisition systems. |
| TTL/CMOS-compatible logic inputs | Eliminates need for external level shifters when interfacing with microcontrollers or FPGAs operating at +5V or +3.3V. |
| ESD protection >2000V | Meets MIL-STD-883 Method 3015.7 - reduces field failure risk during handling and system integration. |
| Low charge injection (20pC typ) | Minimizes transient glitches in sample-and-hold and switched-capacitor circuits - critical for ADC front-ends. |
Applications
| Reed Relay Replacement | Audio-Signal Routing |
|---|---|
Use Scenario: Replacing electromechanical relays in automated test equipment where cycle life, speed, and size are constrained. IC Role / Device Role / Timing Role: Quad SPST analog switch providing solid-state signal path selection with no moving parts. Use Value: 100M+ operational cycles vs. <1M for reed relays, 170ns turn-off time enabling faster test sequencing, and 16-pin DIP footprint preserving legacy board layouts. |
Use Scenario: Dynamic routing of microphone and speaker signals in PBX/PABX telephone systems. IC Role / Device Role / Timing Role: Low-distortion analog switch managing bidirectional voice-band (300Hz–3.4kHz) signal paths. Use Value: 2.5Ω RON and 0.5Ω match ensure channel-to-channel crosstalk <−60dB and THD <0.01% at 1kHz, meeting telecom audio fidelity standards. |
| Test Equipment Signal Switching | Avionics Sensor Interface |
Use Scenario: Multiplexing multiple sensor outputs into a shared data acquisition channel in benchtop ATE. IC Role / Device Role / Timing Role: Precision analog switch with matched RON and low leakage for calibrated measurement paths. Use Value: 0.5nA max off-leakage at +85°C prevents DC offset errors in high-impedance thermocouple or strain gauge measurements. |
Use Scenario: Isolating and routing analog signals from pressure, temperature, and position sensors in flight control subsystems. IC Role / Device Role / Timing Role: Radiation-tolerant (by process) analog switch supporting −40°C to +85°C extended temperature operation. Use Value: Dual-supply capability (±15V) matches aircraft 28VDC-derived analog rails; 2000V ESD rating withstands static discharge in dry cabin environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG465BRZ | Single-supply only (+3V to +16.5V); 4.5Ω RON; 16-lead SOIC package | Lacks dual-supply support and rail-to-rail operation; higher RON increases insertion loss | Prefer MAX4603EPE when ±15V supplies or sub-3Ω RON are required in DIP-based designs. |
| TS5A3157DCKR | Single-channel, 0.75Ω RON, +1.65V to +5.5V supply; SC70-6 package | Not quad-channel; incompatible pinout and voltage range; unsuitable for high-voltage signal routing | Choose MAX4603EPE for multi-channel, high-voltage, through-hole implementations requiring proven reliability in industrial environments. |
Compared with ADG465BRZ and TS5A3157DCKR, the MAX4603EPE uniquely delivers quad SPST topology with dual-supply flexibility, 2.5Ω RON, and 16-pin DIP packaging - making it irreplaceable for legacy test equipment upgrades and telecom hardware where board space, supply architecture, and channel count are fixed constraints.
Availability
MAX4603EPE is available at Aetrix Electronics and suitable for reed relay replacement, audio-signal routing, and test equipment signal switching requiring stable component supply across extended temperature ranges and long-lifecycle programs.
Supply support for MAX4603EPE 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 U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, communications, and automotive markets.
The MAX460x series was designed specifically for high-reliability analog signal routing in test, telecom, and avionics systems - emphasizing low RON, tight matching, rail-to-rail operation, and robust ESD tolerance.
FAQ
What is the operating temperature range for MAX4603EPE?
The MAX4603EPE is rated for −40°C to +85°C operation, verified across all electrical parameters in the datasheet's "E" grade specification. This extended temperature range supports deployment in industrial control cabinets, outdoor telecom enclosures, and avionics bays where ambient conditions exceed commercial-grade limits. The MAX4603EPE maintains 2.5Ω max RON and 0.5nA max off-leakage within this full range.
Does MAX4603EPE support single-supply operation?
Yes, MAX4603EPE operates from a single supply of +4.5V to +36V, with V− connected to GND. In this configuration, analog signals swing from GND to V+, and the device retains rail-to-rail capability up to ±10V relative to the analog common. Logic inputs remain referenced to VL, allowing independent +5V biasing even with high V+ values like +24V.
How is the channel configuration structured in MAX4603EPE?
The MAX4603EPE integrates two normally closed (NC) switches (channels 1 and 2) and two normally open (NO) switches (channels 3 and 4), controlled by IN1–IN4 respectively. When INx = 0V, COMx connects to NCx; when INx = logic high, COMx connects to NOx. This hybrid configuration enables flexible signal path selection - for example, default-closed safety paths paired with on-demand routing channels - without external logic inversion.
What is the purpose of the VL pin on MAX4603EPE?
The VL pin on MAX4603EPE sets the reference voltage for logic input thresholds, decoupling digital control from analog supply rails. It accepts +2.7V to +5.5V and establishes +0.8V low and +2.4V high thresholds - ensuring reliable TTL/CMOS compatibility even when V+ is +36V or V− is −20V. This allows direct interfacing with +3.3V or +5V microcontrollers without level-shifting circuitry.
Can MAX4603EPE handle bipolar analog signals?
Yes, MAX4603EPE handles true bipolar analog signals when operated from dual supplies (±4.5V to ±20V). With V+ = +15V and V− = −15V, it passes signals from −10V to +10V rail-to-rail with 2.5Ω max RON and 0.5Ω max flatness. Internal ESD diodes clamp inputs beyond rails, but sustained overvoltage requires external protection per Figure 1 in the datasheet.
MAX4603EPE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NO/NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 2.5Ohm
- Channel-to-Channel Matching (ΔRon):
- 100mOhm
- Voltage - Supply, Single (V+):
- 4.5V ~ 36V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 250ns, 350ns
- -3db Bandwidth:
- -
- Charge Injection:
- 120pC
- Channel Capacitance (CS(off), CD(off)):
- 55pF, 55pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -59dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-PDIP
MAX4603EPE FAQ
1.How can I place an order for MAX4603EPE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4603EPE 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 MAX4603EPE reliable?
The price and inventory of MAX4603EPE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4603EPE is usually 5 days.
3.What payment methods are accepted for MAX4603EPE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4603EPE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4603EPE?
MAX4603EPE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4603EPE 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 MAX4603EPE?
For technical support, including MAX4603EPE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4603EPE requirements.
6.How does Aetrix verify that MAX4603EPE is sourced from the original manufacturer or authorized distributors?
All MAX4603EPE 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 MAX4603EPE meets industry standards.
7.What is the process for return or replacement of MAX4603EPE?
All MAX4603EPE units undergo pre-shipment inspection (PSI). If there is an issue with MAX4603EPE, 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 MAX4603EPE part is unused and in its original packaging.
Return procedure for MAX4603EPE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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