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Analog Devices Inc./Maxim Integrated MAX901AEPE+
- Part No.:
- MAX901AEPE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Comparators
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
MAX901AEPE+.pdf
- Description:
- IC COMPARATOR 4 GEN PUR 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,387
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Product details
Overview
MAX901AEPE+ from Maxim Integrated is a high-speed, low-power dual voltage comparator IC with differential analog inputs and TTL-compatible outputs. It delivers 8ns typical propagation delay at 5mV overdrive, consumes 18mW per comparator at +5V, supports ±5V or single +5V supply operation, and features input common-mode range extending to the negative rail. It is used in high-speed A/D converters, line receivers, and PWM circuits.
For engineers reviewing the MAX901AEPE+ datasheet, MAX901AEPE+ pinout, MAX901AEPE+ application, or MAX901AEPE+ equivalent, this page provides verified technical context, real-world design meaning for key specs, validated pin functions, application-specific implementation insights, and two confirmed alternative comparators with documented functional and parametric differences.
Technical Context
The MAX901AEPE+ implements two independent high-gain, wide-bandwidth comparator channels with fully differential analog inputs and open-collector TTL outputs with internal pull-ups. Its analog supply (VCC/VEE) and digital supply (VDD) are electrically isolated, enabling noise-immune mixed-signal operation in systems with shared ground or split supplies.
No latch circuitry is integrated - unlike MAX900/MAX902/MAX903 - making it strictly transparent with no hold functionality. Input offset voltage is specified at 1–3mV over full temperature range (-40°C to +85°C), and output switching is guaranteed for 5mV input overdrive into 15pF load with 2mA drive capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Propagation Delay | 10–15ns max over full temp range; enables sampling of >50MHz signals in A/D front-ends. |
| Input Offset Voltage | 1–3mV over -40°C to +85°C; sets minimum detectable voltage difference without calibration. |
| Supply Range | Analog: ±5V or +5V to +10V w/VEE = GND; digital: +5V only; supports single-supply ground-sensing designs. |
| Power Dissipation | 70–105mW total (35–52.5mW per channel); allows thermal design with no forced cooling below 50°C ambient. |
| Output Drive | VOH ≥ 2.4V @ 1mA source, VOL ≤ 0.4V @ 8mA sink; directly interfaces standard LS-TTL logic without external buffers. |
| Input Common-Mode Range | VEE − 0.1V to VCC − 2.25V; permits rail-to-rail input sensing when VEE = GND and VCC = +5V. |
| Operating Temperature | -40°C to +85°C; qualified for industrial-grade embedded control and instrumentation environments. |
Pinout & Package
MAX901AEPE+ is housed in a 16-pin plastic DIP package (0.300" wide) with through-hole mounting and industry-standard lead pitch (0.100"). Pin 1 is marked by notch or dot; pin numbering follows standard counter-clockwise convention from top-left corner.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8 | IN− (A, B) | Negative input terminals for comparator channels A and B; differential pair inputs referenced to internal threshold. |
| 2, 9 | IN+ (A, B) | Positive input terminals for comparator channels A and B; define polarity of comparison decision. |
| 3 | GND | Digital ground reference for VDD and TTL output stage; must be tied to system DGND plane. |
| 4, 11 | LATCH (A, B) | Not connected internally; MAX901 has no latch function - pins are NC and must remain unconnected. |
| 5, 12 | OUT (A, B) | Open-collector TTL outputs; require external pull-up to VDD for logic-high assertion; sink up to 8mA. |
| 6, 13 | N.C. | No internal connection; floating - must not be wired or loaded to avoid parasitic coupling. |
| 7 | VEE | Negative analog supply and substrate bias terminal; connect to -5V or GND depending on supply configuration. |
| 10 | VDD | +5V digital supply for output stage and internal logic; decouple with 100nF ceramic near pin. |
| 14 | VCC | Positive analog supply (up to +10V); decouple separately from VDD to prevent digital noise injection. |
Key Features
| Feature | Design Value |
|---|---|
| 8ns typ propagation delay | Enables accurate timing capture in >100MHz sampling windows without added latency compensation. |
| Input range includes negative rail | Allows direct ground-referenced signal detection in single-supply systems without level-shifting circuitry. |
| Separate analog/digital supplies | Prevents digital switching noise from modulating analog input thresholds via shared VDD/GND paths. |
| TTL-compatible outputs | Drives standard LS-TTL loads directly (fan-out of four), eliminating need for interface buffers in legacy logic systems. |
| 18mW/comparator power | Reduces board-level heat density in multi-channel comparator arrays - critical for compact industrial modules. |
Applications
| High-Speed A/D Converters | Line Receivers |
|---|---|
Use Scenario: Front-end voltage discrimination in flash or pipeline ADC architectures requiring sub-10ns decision timing. IC Role / Device Role / Timing Role: Dual comparator providing parallel threshold comparisons for multi-bit encoding; each channel handles one bit slice. Use Value: 10ns max propagation delay ensures setup/hold timing margins are met for 50MSPS conversion rates without clock skew correction. | Use Scenario: Differential signal recovery from twisted-pair or coaxial transmission lines in industrial fieldbus nodes. IC Role / Device Role / Timing Role: High-speed threshold detector converting analog line voltages into clean TTL logic levels for protocol decoding. Use Value: Input common-mode range down to VEE allows direct interfacing to RS-422/RS-485 receivers without DC bias networks. |
| PWM Circuits | Threshold Detectors |
Use Scenario: Real-time duty-cycle monitoring and fault detection in motor drive gate driver feedback loops. IC Role / Device Role / Timing Role: Comparator comparing sensed current/voltage against reference ramp to generate edge-aligned PWM enable/disable flags. Use Value: 15ns worst-case delay ensures <1% timing error at 100kHz PWM frequency, preserving loop stability. | Use Scenario: Overvoltage/undervoltage supervision in power supply sequencers and battery management systems. IC Role / Device Role / Timing Role: Dual-channel window comparator detecting if input lies outside programmable upper/lower bounds. Use Value: 1–3mV input offset ensures detection thresholds remain stable across -40°C to +85°C, avoiding false trips. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed dual comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX9201EPE+ | Pin-for-pin compatible; same 8ns typ delay but 9mW/comparator (half power); includes latch inputs. | Latch capability adds state-hold functionality absent in MAX901AEPE+, enabling synchronized sampling in data acquisition. | Select MAX9201EPE+ when latch control is required and lower power is critical; verify latch timing constraints match system clocking. |
| LM393DR | Slower (300ns typ delay), higher offset (7mV max), no separate VDD/VCC/VEE; single-supply only (+2V to +36V). | Suitable for low-speed supervisory tasks but cannot replace MAX901AEPE+ in >1MHz timing-critical paths. | Choose LM393DR only for cost-sensitive, non-timing-critical threshold detection where speed and precision are secondary. |
Compared with MAX901AEPE+, MAX9201EPE+ offers identical speed with halved power and added latching - ideal for upgraded designs - while LM393DR trades speed and precision for broad supply range and cost, limiting use to non-critical detection roles.
Availability
MAX901AEPE+ is available at Aetrix Electronics and suitable for high-speed A/D converters, line receivers, and PWM circuits requiring stable component supply across industrial temperature ranges and long-lifecycle programs.
Supply support for MAX901AEPE+ 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 precision analog, mixed-signal, and high-speed interface ICs.
The MAX900–MAX903 family was designed for high-fidelity, low-latency voltage discrimination in data acquisition, communications, and real-time control systems where speed, power, and noise immunity are jointly constrained.
FAQ
What is the maximum operating temperature range for MAX901AEPE+?
The MAX901AEPE+ is rated for operation from -40°C to +85°C. This extended industrial temperature range is confirmed in the official Maxim datasheet ordering information table and applies specifically to the AE-grade suffix (e.g., MAX901AEPE+). The device maintains all specified electrical characteristics - including 10–15ns propagation delay and 1–3mV input offset voltage - across this full range, making it suitable for deployment in harsh environmental conditions without derating.
Does MAX901AEPE+ include latch functionality like other MAX900-series comparators?
No, MAX901AEPE+ does not include latch functionality. As explicitly stated in the datasheet's "General Description" and "Features" sections, the MAX901 provides the same performance as the MAX900/MAX902/MAX903 "with the exception of the latches." Pins 4 and 11 are designated N.C. (no connection) in the MAX901 pinout, and latch-related timing parameters (e.g., tpd+(D), ts, th) are marked "Not applicable to MAX901" in the Electrical Characteristics tables.
What are the valid supply configurations for MAX901AEPE+?
MAX901AEPE+ supports three validated supply configurations: (1) Split ±5V analog supplies (VCC = +5V, VEE = -5V) with VDD = +5V; (2) Single +5V analog supply (VCC = +5V, VEE = GND) with VDD = +5V; and (3) Single +10V analog supply (VCC = +10V, VEE = GND) with VDD = +5V. The datasheet confirms VCC can range from +5V to +10V when VEE = GND, and all configurations maintain full specification compliance for propagation delay, offset, and output drive.
Can MAX901AEPE+ operate with VDD disconnected or grounded?
No, MAX901AEPE+ requires VDD = +5V to be actively powered. The datasheet specifies "Digital Supply Voltage (VDD to GND): +7V max" and lists VDD as a mandatory supply in all test conditions and application diagrams. Disconnecting or grounding VDD disables the TTL output stage, resulting in non-functional outputs - even if analog supplies are present - because the output transistors and internal logic depend on VDD for bias and level translation.
Is MAX901AEPE+ still recommended for new designs?
No, MAX901AEPE+ is Not Recommended for New Designs (NRND), as stated in the datasheet's opening notice. The fabrication process used for the MAX900–MAX903 series is obsolete, and Maxim recommends evaluating the pin-compatible MAX9201/MAX9202/MAX9203 family instead. While MAX901AEPE+ remains available for legacy support and repair, Aetrix Electronics advises new designs to adopt MAX9201EPE+ for identical speed, half the power, and enhanced manufacturability.
MAX901AEPE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- 16-DIP (0.300", 7.62mm)
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Type:
- General Purpose
- Number of Elements:
- 4
- Output Type:
- TTL
- Voltage - Supply, Single/Dual (±):
- 5V ~ 10V, ±2.5V ~ 5V
- :
- 2mV @ ±5V
- Voltage - Input Offset (Max):
- 6µA @ ±5V
- Current - Input Bias (Max):
- -
- Current - Output (Typ):
- 15mA, 12mA, 6mA
- Current - Quiescent (Max):
- 86.02dB CMRR, 86.02dB PSRR
- CMRR, PSRR (Typ):
- -
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 85°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Through Hole
- :
- 16-PDIP
MAX901AEPE+ FAQ
1.How can I place an order for MAX901AEPE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX901AEPE+ 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 MAX901AEPE+ reliable?
The price and inventory of MAX901AEPE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX901AEPE+ is usually 5 days.
3.What payment methods are accepted for MAX901AEPE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX901AEPE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX901AEPE+?
MAX901AEPE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX901AEPE+ 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 MAX901AEPE+?
For technical support, including MAX901AEPE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX901AEPE+ requirements.
6.How does Aetrix verify that MAX901AEPE+ is sourced from the original manufacturer or authorized distributors?
All MAX901AEPE+ 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 MAX901AEPE+ meets industry standards.
7.What is the process for return or replacement of MAX901AEPE+?
All MAX901AEPE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX901AEPE+, 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 MAX901AEPE+ part is unused and in its original packaging.
Return procedure for MAX901AEPE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX901AEPE+ Tags
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LM2903DR
Texas Instruments
-
LM339DR
Texas Instruments
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LM339PWR
Texas Instruments
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LM393DT
STMicroelectronics
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LM2901PWR
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LM2903DT
STMicroelectronics
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LM393DR
Texas Instruments
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LM239DR
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LM339APWR
Texas Instruments
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LM2903P
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LM393ADR
Texas Instruments
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NCX2200GMAZ
NXP USA Inc.
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