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Analog Devices Inc./Maxim Integrated MAX319EPA+
- Part No.:
- MAX319EPA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
MAX319EPA+.pdf
- Description:
- IC SWITCH SPDT X 1 35OHM 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:1,008
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Product details
Overview
MAX319EPA+ from Maxim Integrated is a precision SPDT CMOS analog switch with one normally open (NO) and one normally closed (NC) channel, designed for rail-to-rail signal routing in high-fidelity sample-and-hold, test equipment, and military radio systems. It delivers <35Ω max on-resistance, <10pC charge injection, <6nA off-leakage at +85°C, and 175ns max turn-on time under ±15V dual-supply operation.
For engineers reviewing the MAX319EPA+ datasheet, MAX319EPA+ pinout, MAX319EPA+ application, or MAX319EPA+ equivalent, key selection criteria include guaranteed on-resistance matching (<2Ω), flatness over signal range (∆3Ω max), ESD tolerance (>±2000V), and compatibility with single-supply (+10V to +30V) or bipolar-supply (±4.5V to ±20V) configurations.
Technical Context
The MAX319EPA+ implements a break-before-make switching architecture with 5ns–13ns guaranteed break-before-make interval, ensuring signal integrity during channel transitions. Its silicon-gate CMOS process enables low power consumption (35µW typical) and rail-to-rail analog handling up to ±15.5V with 44V breakdown voltage.
Logic interface is TTL/CMOS-compatible via dedicated VL pin (independent of analog supplies), supporting clean level-shifting between logic domains. All electrical specifications-including on-resistance match, flatness, and charge injection-are guaranteed only under bipolar-supply operation per datasheet Note 4.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switch Type | SPDT with independent NO and NC paths; break-before-make action prevents signal shorting during transition |
| On Resistance (max) | 35Ω at TA = TMIN to TMAX, V+ = 13.5V/V− = −13.5V; ensures minimal signal attenuation in precision analog paths |
| On Resistance Match | <2Ω between NO and NC channels at +25°C; critical for matched gain/attenuation in differential or calibration circuits |
| Charge Injection | <10pC; limits voltage glitch on sampled capacitors in S/H and ADC front-ends |
| Off-Leakage Current | <6nA at +85°C; preserves accuracy in high-impedance sensor interfaces and long-time-constant integrators |
| Supply Range | Bipolar: ±4.5V to ±20V; single: +10V to +30V; supports industrial and military voltage rails without level-shifting |
| ESD Rating | >±2000V per Method 3015.7; enables robust handling in manufacturing and field-replaceable modules |
Pinout & Package
MAX319EPA+ is housed in an 8-pin plastic DIP package (0.300″ wide) with standard through-hole mounting and 2.54mm pin pitch. Pin 2 is N.C. (no internal connection); pin 8 is NC (normally closed terminal).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 COM | Analog common terminal | Shared signal path for both NO and NC switches; must be connected to source/sink node in routing applications |
| 2 N.C. | No connect | Unbonded pad; left floating-no external connection required or permitted |
| 3 GND | Logic ground reference | Reference for IN and VL pins; must be tied to system logic ground, not analog ground |
| 4 V+ | Analog positive supply | Provides bias for analog channel; sets upper limit of rail-to-rail signal range (up to V+ − 2V) |
| 5 VL | Logic supply input | Independent 5V supply for TTL/CMOS-compatible control; decoupled from analog supplies to prevent noise coupling |
| 6 IN | Digital control input | Inverting logic sense: logic low connects COM to NC; logic high connects COM to NO |
| 7 V− | Analog negative supply | Sets lower limit of rail-to-rail signal range (down to V− + 2V); must be ≤ V+ − 44V |
| 8 NC | Normally closed analog terminal | Connected to COM when IN = low; isolated when IN = high; used for default-path routing |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports signals from V− + 2V to V+ − 2V (e.g., ±15.5V with ±16.5V supplies), enabling full dynamic range in ±15V systems |
| Guaranteed on-resistance flatness | ∆3Ω max over full analog signal range at +25°C; maintains consistent gain/attenuation across input voltage swing |
| Low charge injection | <10pC ensures sub-mV settling error in 10nF sample capacitors-critical for 12-bit+ S/H accuracy |
| TTL/CMOS logic compatibility | VL pin allows direct interfacing to 5V microcontrollers or FPGAs without level shifters, even when analog supplies differ |
| Break-before-make timing | 5–13ns guaranteed delay prevents momentary short between NO and NC paths during switching |
Applications
| Sample-and-Hold Circuits | Test Equipment Signal Routing |
|---|---|
Use Scenario: Precision sampling of ±10V sensor outputs before ADC conversion in automated test systems. IC Role / Device Role / Timing Role: SPDT switch selects between calibration reference and live sensor path under microcontroller control. Use Value: Low 10pC charge injection minimizes hold-step error; matched on-resistance ensures identical gain in both paths. |
Use Scenario: Reconfigurable signal path in benchtop multimeters and waveform analyzers requiring low-distortion routing. IC Role / Device Role / Timing Role: Analog multiplexer core enabling programmable input scaling, offset injection, and reference selection. Use Value: 35Ω max on-resistance and ∆3Ω flatness preserve signal fidelity across 1kHz–1MHz bandwidths. |
| Military Radios | Battery-Powered Guidance Systems |
Use Scenario: Antenna diversity switching and IF signal path selection in ruggedized HF/VHF transceivers operating from −40°C to +85°C. IC Role / Device Role / Timing Role: High-reliability analog switch managing RF front-end signal routing with ESD-hardened interface. Use Value: >±2000V ESD rating withstands harsh field environments; extended temperature grade ensures stable operation across thermal extremes. |
Use Scenario: Power-conscious signal conditioning in UAV inertial measurement units using low-leakage analog front-ends. IC Role / Device Role / Timing Role: Low-power analog switch enabling selective sensor activation and signal path isolation during sleep modes. Use Value: 35µW typical power dissipation extends battery life; <6nA off-leakage prevents drift in high-Z MEMS sensor interfaces. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG1419BRUZ | SPDT, 1.5Ω typical RON, but requires ≥±4.5V dual supply only; no single-supply support | Better RON match (0.1Ω) suits high-precision instrumentation; lacks MAX319EPA+'s +10V–+30V single-supply flexibility | Select ADG1419BRUZ when ultra-low on-resistance and matching outweigh supply flexibility needs |
| TS5A23157DGSR | SPDT, 0.9Ω typical RON, 5V-only single supply, 1.65V–5.5V logic compatible | Optimized for portable 3.3V/5V systems; insufficient voltage rating (5.5V max) for ±15V industrial/military use | Select TS5A23157DGSR only for low-voltage consumer-grade designs-not for MAX319EPA+'s industrial voltage range |
Compared with ADG1419BRUZ and TS5A23157DGSR, MAX319EPA+ uniquely supports both wide-range bipolar (±4.5V to ±20V) and single-supply (10V–30V) operation while guaranteeing on-resistance flatness and charge injection-making it irreplaceable in mixed-supply military and test equipment where voltage versatility and signal integrity are co-critical.
Availability
MAX319EPA+ is available at Aetrix Electronics and suitable for sample-and-hold circuits, military radio signal routing, test equipment reconfiguration, and battery-powered guidance systems requiring stable component supply across extended temperature ranges.
Supply support for MAX319EPA+ 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 military applications.
The MAX317/MAX318/MAX319 family was engineered for precision analog signal routing in demanding environments-emphasizing low distortion, guaranteed parameter matching, and robust operation across extreme temperatures and supply conditions.
FAQ
What is the maximum analog signal voltage range supported by the MAX319EPA+?
The MAX319EPA+ supports rail-to-rail analog signals from (V− + 2V) to (V+ − 2V), with absolute maximum ratings allowing V+ up to +44V relative to V−. Under ±15V dual-supply operation, this yields a usable range of ±15.5V-verified in the Electrical Characteristics table for VCOM, VNO, and VNC parameters.
Does the MAX319EPA+ require separate logic and analog grounds?
Yes-the MAX319EPA+ has dedicated GND (pin 3) for logic-level circuitry and separate V+ (pin 4) and V− (pin 7) for analog supplies. GND must connect to the system's logic ground plane, while analog grounds should remain isolated to prevent digital noise coupling into sensitive analog paths.
Can the MAX319EPA+ operate from a single +12V supply?
Yes-the MAX319EPA+ supports single-supply operation from +10V to +30V. When using +12V, tie V− to ground, set VL to +5V for TTL compatibility, and ensure the analog signal stays within 0V to +12V. Verified in the Single-Supply Electrical Characteristics section (page 4).
What is the guaranteed break-before-make interval for the MAX319EPA+?
The MAX319EPA+ guarantees a break-before-make interval (tD) of 5ns to 13ns at +25°C under specified load conditions (RL = 1000Ω, CL = 35pF), as confirmed in the Dual-Supply Dynamic Characteristics table. This prevents momentary shorting between NO and NC paths during switching transitions.
Is the MAX319EPA+ pin-compatible with other devices in the MAX317/MAX318/MAX319 family?
Yes-MAX319EPA+, MAX317EPA+, and MAX318EPA+ share identical 8-pin DIP pinouts and package dimensions. However, their internal switch configurations differ: MAX317EPA+ is NC-only, MAX318EPA+ is NO-only, and MAX319EPA+ integrates both NO and NC paths on a single die.
MAX319EPA+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- SPDT
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 35Ohm
- Channel-to-Channel Matching (ΔRon):
- 2Ohm (Max)
- Voltage - Supply, Single (V+):
- 10V ~ 30V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 175ns, 145ns
- -3db Bandwidth:
- -
- Charge Injection:
- 3pC
- Channel Capacitance (CS(off), CD(off)):
- 8pF, 8pF
- Current - Leakage (IS(off)) (Max):
- 250pA
- Crosstalk:
- -85dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
MAX319EPA+ FAQ
1.How can I place an order for MAX319EPA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX319EPA+ 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 MAX319EPA+ reliable?
The price and inventory of MAX319EPA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX319EPA+ is usually 5 days.
3.What payment methods are accepted for MAX319EPA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX319EPA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX319EPA+?
MAX319EPA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX319EPA+ 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 MAX319EPA+?
For technical support, including MAX319EPA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX319EPA+ requirements.
6.How does Aetrix verify that MAX319EPA+ is sourced from the original manufacturer or authorized distributors?
All MAX319EPA+ 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 MAX319EPA+ meets industry standards.
7.What is the process for return or replacement of MAX319EPA+?
All MAX319EPA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX319EPA+, 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 MAX319EPA+ part is unused and in its original packaging.
Return procedure for MAX319EPA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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