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Analog Devices Inc./Maxim Integrated MAX9213EUM+
- Part No.:
- MAX9213EUM+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Serializers, Deserializers
- Package:
- 48-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
MAX9213EUM+.pdf
- Description:
- IC SERIALIZER PROG 48-TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:8,248
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Product details
Overview
MAX9213EUM+ from Maxim Integrated is a programmable DC-balanced 21-bit LVDS serializer that converts parallel LVTTL/LVCMOS data (21 inputs) into three LVDS serial data streams plus one LVDS clock output. It operates at up to 66MHz parallel clock rate in DC-balanced mode (594Mbps) or 85MHz in non-DC-balanced mode (595Mbps), with integrated 110Ω/410Ω output resistors and 5V-tolerant inputs. It is used in automotive navigation systems and digital copiers for high-reliability, ground-shift-tolerant video/data transmission over twisted-pair cable.
For engineers reviewing the MAX9213EUM+ datasheet, MAX9213EUM+ pinout, MAX9213EUM+ application, or MAX9213EUM+ equivalent, this page delivers verified technical context, real-world timing behavior, AC-coupling design guidance, pin-level circuit roles, and validated alternative options - all specific to the MAX9213EUM+ TSSOP-48 variant.
Technical Context
The MAX9213EUM+ implements a 7:1 or (7+2):1 parallel-to-serial conversion depending on DCB/NC pin state: non-DC-balanced mode serializes 7 bits per clock cycle; DC-balanced mode adds two coding bits per 7-bit word to limit digital sum variation (DSV) to ≤10 on data channels and ≤5 on clock channel. Its PLL requires no external components and achieves lock in ≤32,800 input clock cycles.
It supports AC-coupled links via programmable DC balance, enabling ground-shift tolerance up to the capacitor's voltage rating minus half the differential swing. LVDS outputs meet IEC 61000-4-2 (±8kV contact), ISO 10605 (±8kV contact), and ANSI TIA/EIA-644 standards, with differential output voltage (VOD) of 250–450mV and output offset (VOS) of 1.125–1.375V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Parallel Input Width | 21-bit LVTTL/LVCMOS with 5V tolerance - accepts standard logic interfaces without level shifters. |
| LVDS Output Count | Four differential outputs: TxOUT0±, TxOUT1±, TxOUT2±, TxCLK OUT± - enables full 21-bit + timing serialization over three data lanes and one clock lane. |
| Max Parallel Clock Rate | 66MHz (DC-balanced), 85MHz (non-DC-balanced) - defines maximum pixel/data throughput in display or imaging pipelines. |
| Differential Data Rate | Up to 595Mbps total (85MHz × 7 bits) - determines minimum required cable bandwidth and equalization needs. |
| Supply Voltage | +3.3V (3.0V–3.6V range) - compatible with standard low-voltage digital rails; separate VCC, PLL VCC, and LVDS VCC domains. |
| Operating Temperature | -40°C to +85°C - qualified for automotive cabin and industrial embedded environments. |
| Package | 48-pin TSSOP - surface-mount, leaded package with exposed thermal pad (EP) for thermal management. |
Pinout & Package
MAX9213EUM+ uses a 48-pin TSSOP package with exposed paddle (EP) soldered to ground for thermal dissipation. Pin functions are electrically identical to the QFN variant but mapped to TSSOP pin locations per Maxim's official pinout table.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TxIN0–TxIN6 (Pins 1,3,4,44,45,47,48) | Channel 0 parallel data inputs | 5V-tolerant LVTTL/LVCMOS; internally pulled down - safe for unconnected or floating inputs. |
| TxIN7–TxIN13 (Pins 6,7,9,10,12,13,15) | Channel 1 parallel data inputs | Same electrical specs as TxIN0–TxIN6; grouped for PCB routing efficiency across three 7-bit lanes. |
| TxIN14–TxIN20 (Pins 16,18,19,20,22,23,25) | Channel 2 parallel data inputs | Completes 21-bit parallel bus; pin grouping aligns with internal 7-bit serialization architecture. |
| TxCLK IN (Pin 26) | Parallel rate clock input | 5V-tolerant; determines serialization speed; transition time ≤4ns - constrains source driver capability. |
| PWRDWN (Pin 27) | Power-down control | Active-low; places LVDS outputs in high-impedance state and reduces ICC to ≤50µA - enables dynamic link power gating. |
| DCB/NC (Pin 43) | DC-balance mode select | Pulled up to VCC by default; sets DC-balanced operation - required for AC-coupled links and ground-shift tolerance. |
| TxCLK OUT± (Pins 32,33) | LVDS parallel clock output | Differential clock synchronized to serialized data; jitter ≤2ns (cycle-to-cycle) - critical for deserializer timing recovery. |
| TxOUT0±–TxOUT2± (Pins 40,41,38,39,34,35) | LVDS serial data outputs | Three independent 7-bit (or 9-bit) data lanes; each pair has matched trace length requirement for skew control. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable DC-balance mode | Enables AC-coupling via DSV-limited coding (DSV ≤10), eliminating ground potential errors in long cable runs. |
| Integrated output termination | 110Ω (DC-balanced) or 410Ω (non-DC-balanced) resistors per LVDS pair - eliminates need for external termination and reduces BOM count. |
| 5V-tolerant parallel inputs | Accepts 5V logic signals directly without level shifters - simplifies interface to legacy microcontrollers or FPGAs. |
| PLL with zero external components | Locks within 32,800 input clock cycles; no loop filter or crystal required - reduces layout complexity and cost. |
| High ESD robustness | ±8kV contact discharge (IEC 61000-4-2/ISO 10605) on LVDS outputs - protects against field-installation ESD events in automotive and industrial settings. |
Applications
| Automotive Navigation Display Interface | Digital Copier Image Data Link |
|---|---|
|
Use Scenario: Transmitting high-resolution graphics and touch feedback between head unit MCU and LCD display module over 2m+ shielded twisted-pair cable in vehicle cabin. IC Role / Device Role / Timing Role: Serializer converting 21-bit RGB + sync signals into three LVDS data lanes and one LVDS clock; provides deterministic timing for pixel-aligned display updates. Use Value: DC-balanced mode enables AC-coupling to tolerate >1V ground shift between battery-powered head unit and display, preventing bit errors during engine cranking. |
Use Scenario: Moving scanned image data from CIS sensor array to image processing ASIC across rigid-flex PCB interconnect in compact copier chassis. IC Role / Device Role / Timing Role: High-speed parallel-to-LVDS bridge; converts 21-bit pixel bus into noise-immune differential streams for EMI-sensitive analog-rich environment. Use Value: 595Mbps non-DC-balanced throughput supports 600dpi @ 30ppm scanning; integrated 410Ω termination cuts power vs. external resistors. |
| Laser Printer Engine Control | Industrial HMI Video Backplane |
|
Use Scenario: Delivering rasterized print data and laser firing timing from controller to print engine board through 10cm ribbon cable inside printer enclosure. IC Role / Device Role / Timing Role: Serializer generating precise LVDS clock and data aligned to laser diode pulse edges; supports variable print resolution via clock rate scaling. Use Value: Pin compatibility with DS90CR215 allows drop-in replacement in legacy designs; 3.3V supply matches modern controller IO voltage. |
Use Scenario: Aggregating video streams from multiple FPGA-based vision modules onto shared backplane for central HMI display in factory automation panel. IC Role / Device Role / Timing Role: Multi-channel serializer consolidating parallel video buses into standardized LVDS links; enables modular, hot-swappable I/O expansion. Use Value: -40°C to +85°C rating ensures reliability in uncontrolled industrial ambient; TSSOP package supports automated optical inspection (AOI). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 21-bit LVDS serializer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DS90CR215MTD | No DC-balance circuitry; fixed non-DC-balanced operation only; requires DC-coupled links. | Cannot support AC-coupled or ground-shifted interfaces; limited to short, controlled-impedance PCB traces. | Select when system ground potentials are tightly coupled and EMI environment is benign - lower cost, simpler layout. |
| MAX9215EUM+ | Identical pinout and package; differs only in DCB/NC default (pulled down vs. MAX9213's pull-up), requiring external resistor change for same mode. | Functionally interchangeable if DCB/NC bias is adjusted; same timing, power, and ESD specs. | Choose when sourcing flexibility or dual-sourcing is needed; no redesign required beyond DCB/NC pull configuration. |
Compared with DS90CR215MTD, MAX9213EUM+ adds AC-coupling capability and ground-shift tolerance at the cost of slightly higher power in DC-balanced mode; compared with MAX9215EUM+, it offers identical performance with different factory-default DC-balance setting - simplifying design-in when pull-up bias is preferred.
Availability
MAX9213EUM+ is available at Aetrix Electronics and suitable for automotive navigation systems, digital copiers, and laser printers requiring stable component supply, long-term lifecycle support, and guaranteed authentic Maxim Integrated product traceability.
Supply support for MAX9213EUM+ 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 demanding industrial, automotive, and communications applications.
The MAX92xx serializer family was designed specifically for high-reliability, noise-immune parallel-to-LVDS bridging in automotive infotainment and industrial imaging - emphasizing ground-shift tolerance, ESD robustness, and drop-in compatibility with legacy serializers.
FAQ
What is the default DC-balance mode for MAX9213EUM+?
The MAX9213EUM+ has DCB/NC pin pulled up to VCC by default, configuring it for DC-balanced operation. This enables AC-coupling and ground-shift tolerance out-of-the-box. To use non-DC-balanced mode, drive DCB/NC low externally. The MAX9213EUM+ datasheet Table 1 confirms this pull-up default, distinguishing it from MAX9215EUM+ (pulled down).
Does MAX9213EUM+ require external components for PLL operation?
No, the MAX9213EUM+ PLL requires no external components - it locks automatically to the TxCLK IN signal using an internal oscillator and loop filter. The PLL lock time is guaranteed ≤32,800 input clock cycles. This eliminates external capacitors or resistors, reducing BOM count and layout area for the MAX9213EUM+ design.
Can MAX9213EUM+ be used with AC-coupled LVDS links?
Yes, MAX9213EUM+ supports AC-coupled LVDS links when configured in DC-balanced mode (DCB/NC = high). Its DC-balance coding limits digital sum variation (DSV) to ≤10, preventing baseline wander and preserving signal integrity across coupling capacitors. This is essential for ground-shift tolerance in automotive and industrial applications using the MAX9213EUM+.
What is the maximum data throughput of MAX9213EUM+?
The MAX9213EUM+ achieves up to 595Mbps total throughput: 85MHz parallel clock × 7 bits/cycle in non-DC-balanced mode, or 66MHz × 9 bits/cycle (including DC-balance bits) in DC-balanced mode. Both modes deliver identical effective payload (21 bits per parallel cycle), with the MAX9213EUM+ selecting mode via DCB/NC pin state.
Is MAX9213EUM+ pin-compatible with DS90CR215?
Yes, MAX9213EUM+ is pin-compatible with DS90CR215 in non-DC-balanced mode - same 48-pin TSSOP footprint, identical pin functions for TxIN, TxCLK IN, TxOUT, and TxCLK OUT. However, DS90CR215 lacks DC-balance capability and requires DC-coupled operation, so MAX9213EUM+ offers enhanced functionality without PCB redesign.
MAX9213EUM+ 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
MAX9213EUM+ FAQ
1.How can I place an order for MAX9213EUM+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX9213EUM+ 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 MAX9213EUM+ reliable?
The price and inventory of MAX9213EUM+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX9213EUM+ is usually 5 days.
3.What payment methods are accepted for MAX9213EUM+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX9213EUM+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX9213EUM+?
MAX9213EUM+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX9213EUM+ 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 MAX9213EUM+?
For technical support, including MAX9213EUM+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX9213EUM+ requirements.
6.How does Aetrix verify that MAX9213EUM+ is sourced from the original manufacturer or authorized distributors?
All MAX9213EUM+ 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 MAX9213EUM+ meets industry standards.
7.What is the process for return or replacement of MAX9213EUM+?
All MAX9213EUM+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX9213EUM+, 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 MAX9213EUM+ part is unused and in its original packaging.
Return procedure for MAX9213EUM+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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