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Renesas EL7182CS
- Part No.:
- EL7182CS
- Manufacturer:
- Renesas
- Category:
- Power Management - Specialized
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
EL7182CS.pdf
- Description:
- IC CCD DRIVER 2-PHS HS 8-SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,254
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Product details
Overview
EL7182CS from Intersil is a 2-phase, high-speed CCD driver IC designed for precision charge-coupled device timing control in imaging systems. It delivers 2A peak output current, supports 4.5V–16V supply operation, achieves ≤25ns turn-on/turn-off delay, and features TTL- and 3V-compatible inputs - enabling high-contrast imaging in color fax machines and portable CCD-based scanners.
For engineers reviewing the EL7182CS datasheet, EL7182CS pinout, EL7182CS application, or EL7182CS equivalent, key selection criteria include dual-phase push-pull drive capability, low quiescent current (≤5mA), 10MHz clocking support, and SOIC-8 packaging with RoHS-compliant Pb-free finish.
Technical Context
The EL7182CS implements a dual-channel, complementary-output driver architecture optimized for CCD horizontal/vertical transfer clock generation. Each channel provides independent pull-up (ROH ≤6Ω) and pull-down (ROL ≤6Ω) paths with matched propagation delays to minimize clock skew.
It operates across –40°C to +85°C ambient, sustains 16.5V absolute maximum supply voltage, and maintains stable switching performance (tR/tF ≤20ns at 1000pF load) without external biasing - supporting direct interface to CCD pixel clocks requiring fast edge rates and precise phase alignment.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 4.5V–16V - enables direct use with high-voltage CCD bias rails up to 15V without level-shifting. |
| Peak Output Current | ±2A per channel - sufficient to drive heavy capacitive CCD clock lines with minimal droop. |
| Switching Delay | tD-ON/tD-OFF ≤25ns - ensures sub-100ns total phase-to-phase timing window for high-resolution CCD readout. |
| Input Compatibility | TTL and 3V logic - allows seamless integration with FPGA, microcontroller, or ASIC timing generators. |
| Quiescent Supply Current | ≤5mA - reduces power budget impact in battery-powered portable imaging devices. |
| Rise/Fall Time | tR/tF ≤20ns (CL = 1000pF) - maintains signal integrity on long PCB traces to remote CCD sensors. |
| Package | 8-pin SOIC (MDP0027) - surface-mount compatible with standard reflow profiles and automated assembly. |
Pinout & Package
EL7182CS is housed in an 8-lead SOIC package (MDP0027), measuring 4.9mm × 3.9mm × 1.75mm, with 1.27mm lead pitch and Pb-free matte tin terminations compliant with IPC/JEDEC J-STD-020 reflow standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN1) | Phase 1 input control | Active-high TTL/3V-compatible logic input driving Channel 1 output pair. |
| 2 (OUT1) | Phase 1 complementary output | Push-pull output node delivering inverted/non-inverted clock phases to CCD transfer gate. |
| 3 (GND) | Analog/digital ground reference | Common return path for both channels; requires low-impedance PCB connection to minimize noise coupling. |
| 4 (V+) | Positive power supply | Primary 4.5V–16V rail powering internal drivers and output stages. |
| 5 (V+) | Positive power supply (redundant) | Dual V+ pins reduce IR drop and improve current delivery to high-slew-rate output transistors. |
| 6 (OUT2) | Phase 2 complementary output | Second push-pull output node synchronized to IN2, enabling two-phase CCD clock sequencing. |
| 7 (IN2) | Phase 2 input control | Independent TTL/3V input for second channel - supports asynchronous or interleaved CCD timing. |
| 8 (NC) | No connect | Internally unused pin; must remain unconnected per datasheet guidance to avoid parasitic coupling. |
Key Features
| Feature | Design Value |
|---|---|
| Reduced clock skew | Matched tD-ON/tD-OFF between channels (<2ns typical) enables precise inter-phase timing for CCD charge transfer fidelity. |
| 20ns switching/delay time | Guaranteed ≤25ns max propagation delay ensures reliable operation at 10MHz clock rates with margin. |
| Wide operating voltage | 4.5V–16V range eliminates need for external regulators when interfacing with legacy CCD bias supplies. |
| Low quiescent current | ≤5mA supply current at V+ = 15V reduces thermal load and extends battery life in portable scanners. |
| Pb-free plus anneal finish | RoHS-compliant 100% matte tin termination supports both SnPb and Pb-free soldering without dewetting risk. |
Applications
| Color Fax Machine Imaging | Portable CCD Scanner |
|---|---|
Use Scenario: High-speed document scanning with monochrome/color CCD arrays requiring precise two-phase clocking for pixel charge transfer. IC Role / Device Role / Timing Role: Dual-phase CCD clock driver generating synchronized H1/H2 and V1/V2 transfer pulses with <2ns skew. Use Value: Enables >600dpi optical resolution and >10ppm scan throughput by maintaining tight inter-phase timing under varying load capacitance. | Use Scenario: Battery-powered handheld barcode or ID card scanner using linear CCD sensor with low-power constraints. IC Role / Device Role / Timing Role: Low-quiescent-current CCD driver supplying ±2A peak pulses while drawing <5mA idle current. Use Value: Extends single-charge battery life beyond 8 hours by minimizing static power loss during standby and active readout cycles. |
| Differential Line Driver | Push-Pull Timing Circuit |
Use Scenario: Driving long, unterminated coaxial or twisted-pair lines in industrial machine vision systems where EMI immunity is critical. IC Role / Device Role / Timing Role: Complementary-output driver delivering balanced differential signals with matched rise/fall characteristics. Use Value: Reduces common-mode noise by >20dB compared to single-ended drivers, improving SNR in noisy factory environments. | Use Scenario: Generating non-overlapping, high-current gate drive waveforms for custom CCD analog front-end timing sequencers. IC Role / Device Role / Timing Role: Push-pull output stage with 3Ω pull-up / 4Ω pull-down resistance enabling fast edge rates into 100–500pF loads. Use Value: Eliminates external MOSFETs or discrete transistor pairs, reducing BOM count and layout area by 40% in compact timing modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar CCD driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| EL7182CN | Same die, PDIP-8 package (MDP0031); higher thermal resistance (1050mW vs 570mW SOIC rating). | Suitable for prototyping or through-hole assembly; less suitable for high-density or thermally constrained PCBs. | Select EL7182CN only if manual soldering or socket-based evaluation is required. |
| ISL55110IRZ | Single-channel, 3A peak driver; no integrated dual-phase logic; requires external timing control. | Used in modular CCD timing designs where phase sequencing is handled by FPGA or dedicated clock generator. | Choose ISL55110IRZ when flexible multi-phase expansion or higher per-channel current (>2A) is needed. |
Compared with EL7182CN and ISL55110IRZ, the EL7182CS offers integrated dual-phase control in a space-efficient SOIC-8 package with verified 2A drive capability and guaranteed skew performance - making it optimal for production CCD modules where board area, thermal management, and timing precision are jointly constrained.
Availability
EL7182CS is available at Aetrix Electronics and suitable for color fax machines, portable CCD scanners, and industrial differential line drivers requiring stable component supply and RoHS-compliant manufacturing.
Supply support for EL7182CS 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
Intersil Corporation (now part of Renesas Electronics) is a U.S.-based analog and mixed-signal semiconductor company founded in 1967, specializing in high-performance power management, precision analog, and interface solutions.
The EL7182CS belongs to Intersil's high-speed driver product line, engineered specifically for CCD and image sensor timing applications demanding low skew, high current, and wide supply voltage tolerance.
FAQ
What is the maximum clock frequency supported by the EL7182CS?
The EL7182CS supports clocking speeds up to 10MHz, as confirmed in the datasheet Features section and validated by AC Electrical Specifications including tD-ON/tD-OFF ≤25ns and tR/tF ≤20ns at 1000pF. This timing performance ensures reliable operation in high-resolution CCD readout circuits where pixel rates exceed 10MSPS. The EL7182CS maintains consistent edge fidelity across its full 4.5V–16V supply range without derating.
Does the EL7182CS require external pull-up or pull-down resistors on its outputs?
No, the EL7182CS does not require external pull-up or pull-down resistors. Its integrated push-pull output stage provides active drive in both directions, with specified ROH ≤6Ω (pull-up) and ROL ≤6Ω (pull-down) at 100mA load. This eliminates external components and ensures fast, controlled transitions directly into typical CCD clock loads of 100–500pF. The EL7182CS output structure is self-terminating for most imaging applications.
Is the EL7182CS pin-compatible with other members of the EL7182 family?
Yes, the EL7182CS is pin-compatible with EL7182CN (PDIP-8) and EL7182CSZ (Pb-free SOIC-8), sharing identical pinout, electrical behavior, and functional mapping per the FN7281 datasheet. All variants use the same die and IO structure - differences are limited to package type, finish, and packaging format (tube vs tape-and-reel). The EL7182CS pinout remains unchanged across these variants.
What is the thermal performance limit of the EL7182CS in SOIC-8 package?
The EL7182CS in SOIC-8 package has a maximum power dissipation rating of 570mW at TA = 25°C, with thermal derating of 4.5mW/°C above 25°C ambient. Junction temperature must not exceed 125°C. For continuous 2A peak operation, PCB copper area and airflow must be designed to maintain θJA ≤ 125°C/W. The EL7182CS datasheet provides derating curves confirming safe operation up to +85°C ambient with appropriate layout.
Can the EL7182CS drive CCD loads exceeding 1000pF?
Yes, the EL7182CS can drive loads exceeding 1000pF, though with increased rise/fall times: tR/tF rise to ≤20ns at CL = 1000pF and scale predictably with capacitance per typical performance curves. At 2000pF, tR/tF remain under 40ns - still sufficient for many CCD applications below 5MHz. Layout best practices (short traces, ground plane) are recommended. The EL7182CS maintains stable operation without oscillation or shoot-through even under heavy capacitive loading.
EL7182CS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Applications:
- CCD Driver
- Current - Supply:
- 2.5mA
- Voltage - Supply:
- 4.5V ~ 16V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
EL7182CS FAQ
1.How can I place an order for EL7182CS through Aetrix?
Please submit a Request for Quotation (RFQ) for EL7182CS 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 EL7182CS reliable?
The price and inventory of EL7182CS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for EL7182CS is usually 5 days.
3.What payment methods are accepted for EL7182CS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for EL7182CS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for EL7182CS?
EL7182CS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your EL7182CS 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 EL7182CS?
For technical support, including EL7182CS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your EL7182CS requirements.
6.How does Aetrix verify that EL7182CS is sourced from the original manufacturer or authorized distributors?
All EL7182CS 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 EL7182CS meets industry standards.
7.What is the process for return or replacement of EL7182CS?
All EL7182CS units undergo pre-shipment inspection (PSI). If there is an issue with EL7182CS, 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 EL7182CS part is unused and in its original packaging.
Return procedure for EL7182CS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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