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Analog Devices Inc./Maxim Integrated MAX9692EUB+
- Part No.:
- MAX9692EUB+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Comparators
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX9692EUB+.pdf
- Description:
- IC COMPARATOR 1 W/LATCH 10UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:4,237
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Product details
Overview
The MAX9692EUB+ from Maxim Integrated is a single-channel, ultra-fast ECL-output comparator with latch-enable functionality, designed for high-speed signal acquisition in >600MHz systems. It delivers 1.2ns typical propagation delay, 100ps skew, and 150ps dispersion under +5V/–5.2V supplies, driving 50Ω-terminated transmission lines in high-speed line receivers and threshold detectors.
For engineers reviewing the MAX9692EUB+ datasheet, MAX9692EUB+ pinout, MAX9692EUB+ application, or MAX9692EUB+ equivalent, key selection criteria include latch-enable timing (0.5ns setup/hold), ECL-compatible differential inputs, open-emitter outputs requiring external pull-down resistors, and operation across –40°C to +85°C in a 10-pin µMAX package.
Technical Context
The MAX9692EUB+ implements a BiCMOS-based ECL comparator core with fully differential input stage and complementary open-emitter outputs. Its latch-enable (LE) input enables sample-hold operation: LE high permits normal comparison; LE low freezes output state based on instantaneous input conditions at the falling edge.
It requires dual supplies (+5V VCC, –5.2V VEE), supports –2.5V to +3.0V common-mode input range, and mandates external 50Ω–200Ω pull-down resistors to –2.0V or 240Ω–2000Ω to –5.2V. Ground pins GND1 (input bias) and GND2 (output bias) must be tied to a solid ground plane.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Propagation Delay | 1.2ns typical - enables clean decision-making within sub-2ns windows for >600MHz signal processing. |
| Propagation Delay Skew | 100ps - ensures matched timing between Q and Q̅ outputs for precise differential sampling. |
| Latch Setup/Hold Time | 0.5ns each - defines minimum input stability window before/after LE falling edge for reliable latching. |
| Supply Voltages | +5V VCC / –5.2V VEE - standard ECL rail configuration; requires local 0.1µF bypassing at each supply pin. |
| Input Offset Voltage | ±11.5mV max - maintains DC accuracy over temperature for stable threshold detection. |
| Common-Mode Range | –2.5V to +3.0V - accommodates wide-swing ECL and PECL input signals without clamping. |
| Output Configuration | Open-emitter Q/Q̅ - mandates external pull-down resistors (50–200Ω to –2V or 240–2000Ω to –5.2V) for logic-level compliance. |
Pinout & Package
MAX9692EUB+ uses a 10-pin µMAX® package (outline 21-0061), RoHS-compliant, with exposed pad for thermal enhancement. Pin 1 is VCC; pins 9 and 10 are GND1 and GND2 respectively; LE is pin 5; IN+ and IN– are pins 2 and 3; Q and Q̅ are pins 6 and 7; VEE is pin 4; pins 1 and 8 are no-connect.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC (Pin 1) | Positive supply | Must be bypassed to GND with 0.1µF ceramic capacitor; powers internal logic and bias circuits. |
| IN+ (Pin 2) | Differential positive input | Accepts ECL-level signals; part of high-gain, low-offset input pair with IN–. |
| IN– (Pin 3) | Differential negative input | Paired with IN+; common-mode range extends from –2.5V to +3.0V. |
| VEE (Pin 4) | Negative supply | –5.2V reference; requires local 0.1µF bypassing; sets ECL output swing baseline. |
| LE (Pin 5) | Latch-enable control | ECL-active-low: high = compare mode; low = latch mode; VIH = –1.1V, VIL = –1.5V. |
| Q OUT (Pin 6) | True output | Open-emitter; sinks current when active; requires external pull-down to define VOH/VOL. |
| Q OUT (Pin 7) | Complementary output | 180° out-of-phase with Q OUT; enables differential signaling or XOR logic functions. |
| GND1 (Pin 8) | Input-stage ground | Bias reference for differential input pair; must connect to solid ground plane. |
| GND2 (Pin 9) | Output-stage ground | Bias reference for ECL output transistors; separate from GND1 to minimize crosstalk. |
| N.C. (Pin 10) | No connection | Not internally bonded; leave unconnected; no electrical function. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low propagation delay | 1.2ns typical enables real-time decision-making in RF sampling, high-speed data acquisition, and jitter-critical clock recovery. |
| Latch-enable with nanosecond timing | 0.5ns setup/hold and 0.5ns pulse width allow precise sub-nanosecond sampling windows in digital test equipment. |
| Matched Q/Q̅ output skew | 100ps skew ensures deterministic differential output transitions for balanced line driving and noise rejection. |
| Wide common-mode input range | –2.5V to +3.0V supports direct interfacing with PECL, LVPECL, and CML sources without level-shifting. |
| BiCMOS process technology | Combines bipolar speed with CMOS integration density, delivering 600MHz+ bandwidth while maintaining DC precision. |
Applications
| High-Speed Line Receivers | Peak Detectors |
|---|---|
|
Use Scenario: Recovering clean digital edges from attenuated, noisy high-frequency serial links (e.g., backplane traces, coaxial cables). IC Role / Device Role / Timing Role: Comparator acts as a high-bandwidth threshold detector with latch-enable synchronized to system clock for jitter-immune sampling. Use Value: 1.2ns propagation delay and 100ps skew preserve signal integrity at >600MHz, enabling reliable bit-error-rate testing in 10Gbps+ infrastructure. |
Use Scenario: Capturing maximum amplitude of fast transient pulses in radar IF stages or laser pulse monitoring. IC Role / Device Role / Timing Role: Comparator compares input against adjustable reference; LE strobes peak value into external latch or ADC sample-hold circuit. Use Value: 0.5ns latch setup time allows accurate capture of sub-nanosecond peaks, critical for time-of-flight measurement accuracy. |
| Threshold Detectors | High-Speed Triggers |
|
Use Scenario: Detecting voltage excursions beyond safety or alarm thresholds in power-supply monitors or sensor interfaces. IC Role / Device Role / Timing Role: Provides fast, precise decision point with minimal latency; open-emitter outputs interface directly to ECL logic or FPGA I/O banks. Use Value: ±11.5mV input offset and 60dB PSRR ensure stable trip points despite supply ripple or thermal drift in industrial environments. |
Use Scenario: Generating synchronous trigger events for oscilloscopes, logic analyzers, or automated test equipment. IC Role / Device Role / Timing Role: Comparator detects edge crossing; LE input gates output to eliminate metastability and ensure deterministic trigger timing. Use Value: Sub-nanosecond latch-enable timing eliminates trigger jitter, improving timebase resolution in 10GS/s+ digitizers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-fast ECL comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX9691EUA+ | No latch-enable input; 8-pin µMAX; identical 1.2ns delay and ECL output architecture. | Suitable only for continuous-compare applications; cannot perform sample-hold or gated decision functions. | Select when latch functionality is unnecessary and board space is constrained by 8-pin footprint. |
| ADCMP572BCPZ-R7 | Single 2.5V/3.3V CMOS output; 1.5ns delay; internal hysteresis; no ECL compatibility. | Requires level translation for ECL systems; better suited for mixed-signal ASIC interfaces than legacy ECL backplanes. | Choose for new designs using LVDS/CMOS logic families where power efficiency and integration outweigh ECL compatibility needs. |
Compared with MAX9692EUB+, MAX9691EUA+ removes latch capability but saves PCB area and cost in always-compare roles, while ADCMP572BCPZ-R7 trades ECL compatibility for lower voltage operation and integrated features-neither is pin-compatible, and both require layout revision for interface adaptation.
Availability
MAX9692EUB+ is available at Aetrix Electronics and suitable for high-speed line receivers, peak detectors, and threshold detectors requiring stable component supply across industrial temperature ranges and long-lifecycle programs.
Supply support for MAX9692EUB+ 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 precision analog, mixed-signal, and high-speed ICs for demanding performance applications in communications, computing, and industrial systems.
The MAX9691/MAX9692/MAX9693 family targets ultra-high-speed signal conditioning where sub-2ns decision latency, ECL logic compatibility, and latch-controlled sampling are essential-optimized for test equipment, optical interconnects, and RF subsystems.
FAQ
What is the recommended power supply configuration for MAX9692EUB+?
The MAX9692EUB+ requires +5V on VCC and –5.2V on VEE, with 0.1µF ceramic capacitors placed as close as possible to each supply pin. These voltages establish the ECL logic levels and output swing; deviation outside ±0.3V of nominal values risks exceeding absolute maximum ratings and degrading propagation delay consistency.
How should the open-emitter outputs of MAX9692EUB+ be terminated?
The Q and Q̅ outputs of MAX9692EUB+ are open-emitter and must be pulled down externally. For –2.0V termination, use 50Ω–200Ω resistors; for –5.2V termination, use 240Ω–2000Ω resistors. Incorrect resistor values cause VOH/VOL shift, increased skew, or excessive power dissipation-verified in Figure MAX9691/3-05 and MAX9691/3-06.
What happens if the latch-enable (LE) pin is left unconnected on MAX9692EUB+?
If LE is left floating on MAX9692EUB+, the device may enter an undefined state due to ECL input sensitivity, causing erratic output behavior or false latching. The datasheet mandates connecting LE to ground when unused; the complementary LE input does not exist on MAX9692EUB+ (only on MAX9693), so no second connection is required.
Can MAX9692EUB+ operate with a single supply?
No, MAX9692EUB+ cannot operate with a single supply. Its BiCMOS ECL architecture requires dual rails (+5V and –5.2V) to bias the differential input pair and drive open-emitter outputs to valid ECL logic levels. Attempting single-supply operation violates absolute maximum ratings and prevents functional output switching.
What is the maximum input frequency that MAX9692EUB+ can reliably process?
MAX9692EUB+ supports reliable signal processing at frequencies exceeding 600MHz, as confirmed in the General Description and Applications section. This capability stems from its 1.2ns propagation delay, 100ps skew, and optimized layout guidance for microstrip routing and 50Ω termination-performance validated in Figure 2 (100MHz example) and Figure MAX9691/3-01 (overdrive vs. delay).
MAX9692EUB+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Type:
- with Latch
- Number of Elements:
- 1
- Output Type:
- Complementary, ECL
- Voltage - Supply, Single/Dual (±):
- -
- :
- 6.5mV @ 5V
- Voltage - Input Offset (Max):
- 20µA @ 5V
- Current - Input Bias (Max):
- 50mA
- Current - Output (Typ):
- 26mA
- Current - Quiescent (Max):
- 80dB CMRR, 60dB PSRR
- CMRR, PSRR (Typ):
- 1.8ns
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 85°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 10-uMAX/uSOP
MAX9692EUB+ FAQ
1.How can I place an order for MAX9692EUB+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX9692EUB+ 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 MAX9692EUB+ reliable?
The price and inventory of MAX9692EUB+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX9692EUB+ is usually 5 days.
3.What payment methods are accepted for MAX9692EUB+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX9692EUB+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX9692EUB+?
MAX9692EUB+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX9692EUB+ 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 MAX9692EUB+?
For technical support, including MAX9692EUB+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX9692EUB+ requirements.
6.How does Aetrix verify that MAX9692EUB+ is sourced from the original manufacturer or authorized distributors?
All MAX9692EUB+ 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 MAX9692EUB+ meets industry standards.
7.What is the process for return or replacement of MAX9692EUB+?
All MAX9692EUB+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX9692EUB+, 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 MAX9692EUB+ part is unused and in its original packaging.
Return procedure for MAX9692EUB+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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