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Analog Devices Inc./Maxim Integrated MAX9209EUM+TD
- Part No.:
- MAX9209EUM+TD
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Serializers, Deserializers
- Package:
- 48-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
MAX9209EUM+TD.pdf
- Description:
- IC SERIALIZER PROG 48-TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:79,898
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Product details
Overview
MAX9209EUM+TD from Maxim Integrated is a programmable DC-balanced 21-bit parallel-to-LVDS serializer with three data channels and one LVDS clock output, operating at up to 40MHz parallel clock rate in non-DC-balanced mode and up to 34MHz in DC-balanced mode, supporting automotive navigation and printer video backplanes with AC-coupled link tolerance.
For engineers reviewing the MAX9209EUM+TD datasheet, MAX9209EUM+TD pinout, MAX9209EUM+TD application, or MAX9209EUM+TD equivalent, key selection criteria include DC-balance programmability via DCB/NC pin, integrated 110Ω/410Ω LVDS termination, 5V-tolerant LVTTL/LVCMOS inputs, -40°C to +85°C operation, and pin compatibility with DS90CR215/DS90CR217 in non-DC-balanced mode.
Technical Context
The MAX9209EUM+TD implements a PLL-based parallel-to-serial conversion architecture with selectable 7-bit (non-DC-balanced) or 9-bit (DC-balanced) serialization per clock cycle across three LVDS data lanes and one LVDS clock lane. Its DC-balance logic enforces digital sum variation ≤10 on data channels and ≤5 on clock channel.
It supports two distinct frequency ranges: 10–40MHz (non-DC-balanced) and 8–34MHz (DC-balanced), with internal 110Ω termination for DC-balanced mode and 410Ω for non-DC-balanced mode. The device requires no external PLL components and features 5V-tolerant inputs with internal pull-downs except DCB/NC (pulled up on MAX9209).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Parallel Input Width | 21-bit LVTTL/LVCMOS with 5V tolerance and internal pull-downs |
| LVDS Output Count | Three data lanes (TxOUT0–2) plus one clock lane (TxCLK OUT) |
| DC-Balance Programmability | Configured by DCB/NC pin: high = DC-balanced (8–34MHz), low = non-DC-balanced (10–40MHz) |
| Differential Data Rate | Up to 595Mbps (85MHz × 7 bits) in non-DC-balanced mode |
| Supply Voltage | +3.3V nominal (3.0V–3.6V range), with separate VCC, PLL VCC, and LVDS VCC domains |
| Operating Temperature | -40°C to +85°C, qualified for automotive infotainment and industrial printing systems |
| ESD Protection | ±8kV contact / ±15kV air-gap (IEC 61000-4-2) on LVDS outputs |
Pinout & Package
MAX9209EUM+TD is housed in a 48-pin TSSOP package (JEDEC MO-153AC) with exposed paddle soldered to ground. Pin functions are validated per Maxim's official datasheet revision 3 (June 2007).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TxIN0–TxIN20 | 21-bit parallel data input | 5V-tolerant LVTTL/LVCMOS inputs grouped as TxIN0–6 (pins 1,3,4,44,45,47,48), TxIN7–13 (pins 6,7,9,10,12,13,15), TxIN14–20 (pins 16,18,19,20,22,23,25); all internally pulled down |
| TxCLK IN | Parallel rate clock input | 5V-tolerant LVTTL/LVCMOS clock input (pin 26), internally pulled down; determines serialization timing |
| PWRDWN | Power-down control | Active-low enable (pin 27); places LVDS outputs in high-impedance state and reduces ICC to ≤50µA |
| DCB/NC | DC-balance mode select | LVTTL/LVCMOS input (pin 43); pulled up internally on MAX9209EUM+TD to enable DC-balanced default operation |
| TxCLK OUT+, TxCLK OUT- | LVDS clock output | Differential clock output (pins 32,33); meets ANSI TIA/EIA-644 and IEC 61000-4-2 standards |
| TxOUT0+/-, TxOUT1+/-, TxOUT2+/- | LVDS data outputs | Three differential data lanes (pins 40/41, 38/39, 34/35); each pair supports 100Ω termination and AC-coupling |
Key Features
| Feature | Design Value |
|---|---|
| Programmable DC balance | Enables AC-coupled links by limiting DSV to ≤10 on data channels and ≤5 on clock channel, eliminating ground-shift-induced bit errors |
| Integrated LVDS termination | Switchable 110Ω (DC-balanced) or 410Ω (non-DC-balanced) output resistors reduce layout complexity and improve signal integrity |
| Pin compatibility with legacy serializers | Direct drop-in replacement for DS90CR215/DS90CR217 in non-DC-balanced mode without PCB changes |
| Low-power power-down mode | Reduces supply current to ≤50µA while maintaining high-impedance LVDS outputs and disabling PLL |
| Robust ESD protection | ±8kV contact discharge on LVDS outputs per IEC 61000-4-2 ensures reliability in automotive and industrial environments |
Applications
| Automotive Navigation Systems | Digital Copiers |
|---|---|
Use Scenario: Transmitting high-resolution display data from head-unit processor to LCD panel over long cable harnesses in vehicles. IC Role / Device Role / Timing Role: Parallel-to-LVDS serializer converting 21-bit RGB + sync signals into three differential data streams and one embedded clock. Use Value: DC-balance programmability enables AC-coupling to tolerate >1V ground potential differences between ECU and display module. |
Use Scenario: Sending scanned image data from CIS sensor array to image processing ASIC across rigid-flex interconnects. IC Role / Device Role / Timing Role: High-speed serializer handling 21-bit pixel bus with precise timing alignment across multiple LVDS lanes. Use Value: Integrated 410Ω termination in non-DC-balanced mode reduces power consumption while maintaining 595Mbps throughput at 85MHz clock. |
| Laser Printers | Automotive DVD Entertainment Systems |
Use Scenario: Driving high-speed video backplane between print controller and LED print head array. IC Role / Device Role / Timing Role: Serializer delivering synchronized 21-bit grayscale data to parallel LED drivers with minimal skew. Use Value: 48-pin TSSOP package allows dense placement near FPGA controller; 5V-tolerant inputs simplify level-shifting with legacy logic. |
Use Scenario: Transporting decoded video/audio metadata and graphics overlay signals from DVD decoder to rear-seat display. IC Role / Device Role / Timing Role: Serializer providing noise-immune differential transmission over 2m+ shielded twisted-pair cables. Use Value: LVDS outputs compliant with ISO 10605 (±25kV air-gap) ensure robustness against ESD events in passenger cabin environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 21-bit parallel-to-LVDS serializer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DS90CR215MTD | No DC-balance logic; fixed non-DC-balanced operation only; no DCB/NC pin; 48-pin TSSOP | Limited to DC-coupled links; cannot support AC-coupled ground-shift tolerance | Select when legacy compatibility and lowest cost are prioritized over ground-shift resilience |
| MAX9213EUM+ | Higher-frequency variant: 16–66MHz (DC-balanced) / 20–85MHz (non-DC-balanced); same pinout and package | Supports higher-resolution displays and faster scanning rates; requires updated clock source | Select when system clock exceeds 40MHz and DC-balance remains required |
Compared with DS90CR215MTD and MAX9213EUM+, the MAX9209EUM+TD uniquely offers factory-default DC-balanced operation (DCB/NC pulled up) with full backward compatibility in non-DC-balanced mode-enabling single-BOM flexibility across AC- and DC-coupled designs without layout changes.
Availability
MAX9209EUM+TD is available at Aetrix Electronics and suitable for automotive navigation systems, laser printers, and digital copiers requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for MAX9209EUM+TD 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 semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, automotive, and communications markets.
The MAX9209EUM+TD belongs to Maxim's high-speed serializer product line designed specifically for noise-immune video and imaging backplane interfaces in automotive infotainment and office equipment.
FAQ
What is the default DC-balance configuration for MAX9209EUM+TD?
The MAX9209EUM+TD has an internal pull-up on the DCB/NC pin (pin 43), configuring it for DC-balanced operation by default-supporting 8–34MHz parallel clock rates and enabling AC-coupled link implementation. This differs from MAX9211EUM (pulled down) and allows immediate use in ground-shift-tolerant systems without external biasing.
Does MAX9209EUM+TD require external components for PLL operation?
No, the MAX9209EUM+TD integrates a fully self-contained PLL that requires no external capacitors, resistors, or crystals. Lock time is fixed at up to 32,800 input clock periods, and the PLL activates automatically when PWRDWN is driven high and VCC stabilizes within specification.
Can MAX9209EUM+TD be used with DS90CR215-compatible deserializers?
Yes-when configured in non-DC-balanced mode (DCB/NC pulled low), the MAX9209EUM+TD is pin-compatible and electrically interoperable with DS90CR215/DS90CR217 deserializers, supporting identical 7-bit-per-cycle serialization and timing specifications without modification.
What is the maximum allowable droop for AC-coupled operation of MAX9209EUM+TD?
For MAX9209EUM+TD in DC-balanced mode, 2% amplitude droop is recommended to limit jitter to ≤20ps (assuming 1ns transition time). Capacitor sizing follows C = -(2 × tB × DSV) / (ln(1 − D) × (RT + RO)), where tB = 13.9ns at 8MHz, DSV = 10, RT = 100Ω, RO = 78Ω → C ≈ 0.077µF.
How does power-down mode affect LVDS outputs on MAX9209EUM+TD?
When PWRDWN (pin 27) is driven low, MAX9209EUM+TD disables its PLL, switches out integrated LVDS termination resistors, forces all four LVDS outputs (TxCLK OUT±, TxOUT0±, TxOUT1±, TxOUT2±) into high-impedance state, and reduces supply current to ≤50µA-preserving signal integrity during standby without external termination.
MAX9209EUM+TD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 48-TFSOP (0.240", 6.10mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Function:
- Serializer
- Data Rate:
- 1.785Gbps
- Input Type:
- LVCMOS, LVTTL
- Output Type:
- LVDS
- Number of Inputs:
- 21
- Number of Outputs:
- 3
- Voltage - Supply:
- 3V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TSSOP
MAX9209EUM+TD FAQ
1.How can I place an order for MAX9209EUM+TD through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX9209EUM+TD 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 MAX9209EUM+TD reliable?
The price and inventory of MAX9209EUM+TD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX9209EUM+TD is usually 5 days.
3.What payment methods are accepted for MAX9209EUM+TD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX9209EUM+TD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX9209EUM+TD?
MAX9209EUM+TD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX9209EUM+TD 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 MAX9209EUM+TD?
For technical support, including MAX9209EUM+TD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX9209EUM+TD requirements.
6.How does Aetrix verify that MAX9209EUM+TD is sourced from the original manufacturer or authorized distributors?
All MAX9209EUM+TD 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 MAX9209EUM+TD meets industry standards.
7.What is the process for return or replacement of MAX9209EUM+TD?
All MAX9209EUM+TD units undergo pre-shipment inspection (PSI). If there is an issue with MAX9209EUM+TD, 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 MAX9209EUM+TD part is unused and in its original packaging.
Return procedure for MAX9209EUM+TD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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