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Analog Devices Inc./Maxim Integrated MAX9382ESA
- Part No.:
- MAX9382ESA
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX9382ESA.pdf
- Description:
- IC FREQ SYNTH 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:178
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Product details
Overview
MAX9382ESA from Maxim Integrated is a high-speed ECL/PECL phase-frequency detector IC designed for precision PLL clock synchronization. It compares single-ended reference (R) and VCO (V) inputs, delivers differential up (U/U) and down (D/D) pulse streams, operates over VCC–VEE = 4.2V to 5.5V, supports up to 450MHz bandwidth with ±π phase detection range, and is specified for –40°C to +85°C industrial operation.
For engineers reviewing the MAX9382ESA datasheet, MAX9382ESA pinout, MAX9382ESA application, or MAX9382ESA equivalent, this device is selected for high-bandwidth PLLs requiring guaranteed minimum 370ps output pulse width, low propagation delay (650ps typ), 44mA supply current, 75kΩ internal input pulldowns, and ECL/PECL level compatibility in 8-pin SO packaging.
Technical Context
The MAX9382ESA implements a symmetrical bipolar state-machine architecture optimized for high-frequency phase/frequency comparison. Its R and V inputs are functionally interchangeable with corresponding U/D output relabeling, and it generates complementary differential pulse trains whose integrated difference yields a control voltage proportional to input phase or frequency error.
It features guaranteed minimum pulse duration (370ps min at –40°C) to eliminate dead-band behavior in charge-pump integrators, supports both ECL (VCC = GND, VEE = negative) and PECL (VCC = positive, VEE = GND) configurations, and uses 100K logic levels with 50Ω terminations referenced to VCC – 2V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max Operating Frequency | 450MHz typical - enables use in high-bandwidth PLLs for DSLAM, base station, and ATE clock recovery. |
| Supply Voltage Range | VCC – VEE = 4.2V to 5.5V - compatible with standard ECL/PECL rail configurations and pin-compatible with MCK12140. |
| Propagation Delay | 650ps typical (R→U/V→D) - ensures tight timing alignment in fast-locking PLL loops. |
| Min Pulse Duration | 370ps minimum at –40°C - eliminates dead-zone-induced phase offset at lock condition. |
| Supply Current | 44mA typical - defines power budget for high-speed clock distribution subsystems. |
| Differential Output Swing | 585mV to 820mV - provides robust noise margin for downstream charge-pump or filter stages. |
| ESD Protection | ±2kV HBM - ensures reliability during board handling and system integration. |
Pinout & Package
MAX9382ESA is housed in an industry-standard 8-pin SO (SOIC-N) package with 150-mil body width, 1.27mm pitch, and exposed pad not present. Thermal resistance is 170°C/W (still air) and 99°C/W (500LFPM airflow).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (U) | Inverting Up Output | Generates pulse stream when fR > fV or V lags R; requires 50Ω termination to VCC – 2V. |
| 2 (U) | Noninverting Up Output | Complementary to Pin 1; both U pins must be terminated for single-ended extraction. |
| 3 (D) | Inverting Down Output | Generates pulse stream when fV > fR or R lags V; 50Ω termination to VCC – 2V required. |
| 4 (D) | Noninverting Down Output | Complementary to Pin 3; used with Pin 3 for differential or single-ended D signal routing. |
| 5 (VEE) | Negative Supply | Return path for ECL (VEE = –5.2V) or ground reference for PECL (VEE = GND). |
| 6 (V) | VCO Input | Single-ended ECL/PECL input accepting VCO signal; internally pulled down with 75kΩ resistor. |
| 7 (R) | Reference Input | Single-ended ECL/PECL reference clock input; also internally pulled down with 75kΩ resistor. |
| 8 (VCC) | Positive Supply | Power rail for PECL (VCC = +5V) or ground for ECL; bypassed with 0.1µF + 0.01µF ceramics. |
Key Features
| Feature | Design Value |
|---|---|
| Guaranteed Minimum Pulse Width | 370ps min eliminates dead-band in charge-pump integrators, ensuring zero static phase error at lock. |
| High Bandwidth Detection | 450MHz typical usable frequency with ±π phase detection range supports wide-loop PLL designs. |
| Integrated Input Pulldowns | 75kΩ internal resistors on R and V inputs simplify PCB layout and reduce external component count. |
| Low Propagation Delay | 650ps typical R→U/V→D delay enables sub-nanosecond timing resolution in feedback paths. |
| ECL/PECL Dual-Mode Support | Configurable for ECL (VCC = GND) or PECL (VEE = GND) via supply connection, maximizing system-level flexibility. |
Applications
| Precision Clock Distribution | Central Office Equipment |
|---|---|
Use Scenario: Distributing low-jitter clock signals across multi-board telecom line cards with strict skew and phase alignment requirements. IC Role / Device Role / Timing Role: Phase-frequency detector in a high-bandwidth PLL that cleans and retimes incoming reference clocks before fanout. Use Value: Guaranteed 370ps minimum pulse width prevents dead-zone-induced jitter accumulation, maintaining <1ps RMS added jitter at 400MHz. | Use Scenario: Synchronizing TDM switching fabric clocks across distributed shelves in carrier-grade central office switches. IC Role / Device Role / Timing Role: Core PFD in a redundant clock management unit that compares primary and backup references for failover decisions. Use Value: 450MHz bandwidth and ±2kV ESD rating ensure reliable operation in electrically noisy, high-availability environments. |
| DSLAM Timing Control | Base Station RF Synthesis |
Use Scenario: Generating stable local oscillator references for ADSL/VDSL line drivers in digital subscriber line access multiplexers. IC Role / Device Role / Timing Role: High-speed PFD in a fractional-N synthesizer loop controlling a VCO driving quadrature modulators. Use Value: Low 650ps propagation delay and symmetric R/V inputs enable precise phase alignment between reference and feedback paths. | Use Scenario: Phase alignment of RF synthesizer outputs across multiple transceiver channels in 4G/LTE macro base stations. IC Role / Device Role / Timing Role: PFD in dual-loop architecture where MAX9382ESA locks a VCXO to GPS-disciplined reference for holdover stability. Use Value: 75kΩ internal input pulldowns reduce external bias components, simplifying layout in space-constrained RF modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar phase-frequency detection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX9382EUA | Identical electrical specs and functionality; differs only in 8-pin µMAX (3mm × 3mm) vs. SO (4.9mm × 6.0mm) package. | Used where board space is constrained and thermal performance under forced airflow is prioritized (µMAX: 155°C/W @ 500LFPM). | Select MAX9382EUA for compact layouts; MAX9382ESA for legacy SO footprint compatibility and higher thermal mass. |
| MCK12140 | Pin-compatible predecessor with wider propagation delay variation (800ps max vs. 750ps max for MAX9382ESA) and no guaranteed min pulse width spec. | Suitable for less demanding PLLs where jitter floor and lock-time consistency are secondary to cost. | Choose MAX9382ESA when guaranteed 370ps min pulse width and tighter delay matching are required for low-jitter synthesis. |
Compared with MAX9382EUA, MAX9382ESA offers identical core functionality but greater PCB real estate and thermal inertia; versus MCK12140, it adds guaranteed minimum pulse width and tighter AC specs-critical for modern high-stability PLLs in telecom infrastructure.
Availability
MAX9382ESA is available at Aetrix Electronics and suitable for precision clock distribution, central office switching, and DSLAM timing control requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX9382ESA 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 computing markets.
The MAX9382ESA belongs to Maxim's high-speed timing and clock conditioning product line, engineered specifically for low-jitter, high-bandwidth PLL implementations in telecom infrastructure and test equipment.
FAQ
What logic family is MAX9382ESA compatible with?
MAX9382ESA is compatible with 100K ECL logic levels. Its input thresholds (VIH = VCC – 0.88V, VIL = VCC – 1.475V) and output swing (VOH/VOL referenced to VCC – 2V) match Motorola's MCK12140, enabling drop-in replacement in existing 100K ECL systems. The MAX9382ESA does not support 10H logic - that is reserved for the MAX9383ESA variant.
How is MAX9382ESA configured for ECL versus PECL operation?
For ECL mode, connect VCC to system ground and VEE to a negative supply (e.g., –5.2V); for PECL mode, connect VCC to a positive supply (e.g., +5V) and VEE to ground. In both cases, outputs terminate to VCC – 2V via 50Ω resistors. The MAX9382ESA's internal design supports either configuration without modification.
Does MAX9382ESA require external input biasing resistors?
No. MAX9382ESA integrates 75kΩ pulldown resistors on both R and V inputs, eliminating the need for external bias networks. This reduces component count and layout complexity while ensuring defined DC states during startup or idle conditions - a key advantage over discrete or older PFD solutions.
What is the significance of the guaranteed minimum pulse width in MAX9382ESA?
The guaranteed minimum pulse width (370ps at –40°C) ensures no dead-band behavior in charge-pump-based PLLs. Without this guarantee, narrow pulses could be lost in downstream circuitry, causing static phase offset and increased jitter. MAX9382ESA's specification directly enables sub-picosecond RMS jitter performance in locked loops.
Can the R and V inputs of MAX9382ESA be swapped in a design?
Yes. MAX9382ESA is functionally symmetrical: swapping R and V inputs requires corresponding swap of U/U and D/D outputs and relabeling of signal names. This flexibility allows designers to assign reference and VCO roles based on board routing constraints without changing component selection or firmware logic.
MAX9382ESA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Frequency Synthesizer
- PLL:
- Yes
- Input:
- ECL
- Output:
- PECL
- Number of Circuits:
- 1
- Ratio - Input:Output:
- 2:4
- Differential - Input:Output:
- No/Yes
- Frequency - Max:
- 450MHz
- Divider/Multiplier:
- No/No
- Voltage - Supply:
- 4.2V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
MAX9382ESA FAQ
1.How can I place an order for MAX9382ESA through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX9382ESA 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 MAX9382ESA reliable?
The price and inventory of MAX9382ESA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX9382ESA is usually 5 days.
3.What payment methods are accepted for MAX9382ESA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX9382ESA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX9382ESA?
MAX9382ESA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX9382ESA 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 MAX9382ESA?
For technical support, including MAX9382ESA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX9382ESA requirements.
6.How does Aetrix verify that MAX9382ESA is sourced from the original manufacturer or authorized distributors?
All MAX9382ESA 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 MAX9382ESA meets industry standards.
7.What is the process for return or replacement of MAX9382ESA?
All MAX9382ESA units undergo pre-shipment inspection (PSI). If there is an issue with MAX9382ESA, 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 MAX9382ESA part is unused and in its original packaging.
Return procedure for MAX9382ESA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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