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Texas Instruments VSP2212Y
- Part No.:
- VSP2212Y
- Manufacturer:
- Texas Instruments
- Category:
- Video Processing
- Package:
- 48-LQFP
- Datasheet:
-
VSP2212Y.pdf
- Description:
- IC VIDEO CCD SIGNAL PROC 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,676
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Product details
Overview
VSP2212Y from Texas Instruments is a CCD signal processor IC for digital cameras, integrating correlated double sampling (CDS), programmable gain amplifier (–6 dB to +42 dB), 12-bit ADC (20 MHz max), 79 dB SNR, and dual on-chip 8-bit DACs. It operates from 2.7 V to 3.6 V, consumes 99 mW typical at 3.0 V, and is housed in an LQFP-48 package.
For engineers reviewing the VSP2212Y datasheet, VSP2212Y pinout, VSP2212Y application, or VSP2212Y equivalent, key selection considerations include its CCD-specific analog front-end architecture, single-supply operation, black-level clamping accuracy, timing control for optical black pixels, and compatibility with portable imaging systems requiring low-power, high-SNR signal chain integration.
Technical Context
The VSP2212Y implements a dedicated CCD signal path with CDS followed by a digitally controlled PGA and a 12-bit successive-approximation ADC. Its CDS stage uses PBLK, COB, CLPOB, SHP, CLPDM, and SHD inputs to synchronize optical black sampling and pixel readout timing.
Two independent 8-bit DACs (DAC0/DAC1) generate analog control voltages-e.g., VSUB for CCD imager bias-with rail-to-rail output swing referenced to DRVDD/DRVGND. The serial interface (SCLK, SDATA, SLOAD) configures gain, clamping, and timing registers using a 3-wire protocol.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ADC Resolution | 12-bit with no missing codes-ensures monotonicity and full-scale linearity for CCD pixel data digitization. |
| Max Conversion Rate | 20 MHz-supports high-frame-rate digital camera sensors with pixel clocks up to 20 MSPS. |
| PGA Gain Range | –6 dB to +42 dB in 0.5 dB steps-enables precise illumination compensation across varying light conditions. |
| Signal-to-Noise Ratio | 79 dB-achieved via on-chip CDS and low-noise PGA design, critical for high-fidelity image capture. |
| Supply Voltage | 2.7 V to 3.6 V single supply-allows direct integration with 3.3 V system rails and simplifies power design. |
| Active Power Dissipation | 99 mW typical at 3.0 V-meets portable digital camera thermal and battery life constraints. |
| Standby Power | 6 mW-reduces idle consumption during frame blanking or sensor sleep intervals. |
Pinout & Package
The VSP2212Y is packaged in a 48-pin LQFP (PT drawing), with exposed thermal pad, RoHS-compliant green finish (CU NIPDAU), and JEDEC Level-1 moisture sensitivity rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CCDIN | CCD Analog Input | Primary differential input for CCD video signal; routed to CDS core with internal offset correction. |
| PBLK, COB, CLPOB | Optical Black Timing Inputs | Control black-level sampling window and clamping reference generation for accurate DC restoration. |
| SHP, SHD, CLPDM | CDS Control Signals | Define sample/hold phases for correlated double sampling; require precise external timing alignment. |
| SCLK, SDATA, SLOAD | Serial Configuration Interface | 3-wire SPI-compatible bus for programming gain, clamping mode, DAC outputs, and timing registers. |
| DACOUT0, DACOUT1 | Analog Output Terminals | Rail-to-rail 8-bit DAC outputs used for CCD bias control (e.g., VSUB), eliminating need for external DACs. |
| B[11:0] | 12-bit Parallel Digital Output | CMOS-compatible bus delivering digitized pixel data; supports 20 MHz clock rate with latch synchronization. |
| RESET | Asynchronous Reset | Clears internal registers and resets state machines; required before initial configuration sequence. |
Key Features
| Feature | Design Value |
|---|---|
| Correlated Double Sampling (CDS) | Integrated analog CDS block with programmable optical black timing eliminates external sample-and-hold components and reduces noise floor. |
| Black Level Clamping | Fast-recovery clamping with automatic black-level tracking ensures stable DC reference after PGA gain changes. |
| Dual 8-bit DACs | Independent DAC0/DAC1 outputs support simultaneous CCD bias control (e.g., VSUB and substrate voltage tuning) without external converters. |
| Linear-in-dB PGA | Gain control linear in dB scale enables intuitive exposure adjustment and consistent SNR behavior across gain settings. |
| Single 3.3 V Supply Operation | Eliminates need for dual ±5 V or split supplies, reducing BOM count and PCB area in compact camera modules. |
Applications
| Digital Still Camera | Industrial Machine Vision |
|---|---|
Use Scenario: High-resolution still image capture in consumer DSLR or mirrorless cameras with CCD sensors. IC Role / Device Role / Timing Role: Primary analog front-end signal processor performing CDS, gain scaling, black-level correction, and 12-bit digitization. Use Value: 79 dB SNR and no-missing-codes ADC preserve fine tonal gradation and shadow detail in RAW image data. | Use Scenario: Precision inspection of printed circuit boards or semiconductor wafers using line-scan CCD arrays. IC Role / Device Role / Timing Role: Real-time CCD signal conditioning with deterministic timing for pixel clock synchronization and optical black calibration. Use Value: Programmable CDS timing and fast black-level recovery enable stable measurements across varying scan speeds and lighting conditions. |
| Medical Endoscopy Imaging | Scientific CCD Imaging |
Use Scenario: Miniaturized endoscopic systems requiring low-power, high-SNR imaging in confined spaces. IC Role / Device Role / Timing Role: Low-voltage (2.7–3.6 V), low-power (99 mW) CCD processor enabling battery-operated handheld scopes. Use Value: Standby mode (6 mW) extends battery life between procedures without sacrificing startup latency or calibration stability. | Use Scenario: Astronomical or spectroscopic CCD applications demanding ultra-low noise and precise analog control. IC Role / Device Role / Timing Role: Dual 8-bit DACs provide calibrated analog bias voltages (e.g., VSUB) directly from chip, minimizing external noise coupling. Use Value: On-chip DAC reference stability and rail-to-rail output ensure repeatable CCD depletion depth and quantum efficiency across temperature. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar CCD signal processing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9845B | 14-bit ADC, 40 MSPS, integrated PLL clock generator; requires ±5 V analog supply and separate digital supply. | Targets higher-speed scientific CCDs; lacks on-chip DACs and optical black timing logic. | Choose AD9845B when >20 MSPS throughput or jitter-sensitive clock synthesis is required; not drop-in compatible. |
| VSP2212M | Same die, VQFN-48 package; identical electrical specs but different thermal pad layout and solder reflow profile. | Preferred for space-constrained PCBs where LQFP footprint is prohibitive; same functional use cases. | Select VSP2212M only if board layout allows VQFN-48; pinout matches VSP2212Y but mechanical mounting differs. |
Compared with AD9845B and VSP2212M, the VSP2212Y offers optimal balance of integration (dual DACs, CDS timing logic), low-power single-supply operation, and LQFP manufacturability-making it uniquely suited for cost-sensitive, portable CCD camera designs where optical black calibration and standby power matter.
Availability
VSP2212Y is available at Aetrix Electronics and suitable for digital still cameras, industrial machine vision systems, medical endoscopy imaging, and scientific CCD instrumentation requiring stable component supply and long-term continuity planning.
Supply support for VSP2212Y 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
Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, specializing in analog, embedded processing, and digital signal processing technologies.
The VSP2212Y belongs to TI's legacy CCD signal processor product line, designed specifically for high-fidelity, low-noise analog signal conditioning and digitization in portable and industrial imaging systems.
FAQ
What is the primary function of the VSP2212Y in a CCD-based imaging system?
The VSP2212Y serves as a complete analog front-end and ADC for CCD sensors, performing correlated double sampling (CDS), programmable gain amplification (–6 dB to +42 dB), black-level clamping, and 12-bit digitization at up to 20 MHz. Its integrated dual 8-bit DACs also generate analog control voltages like VSUB. This makes the VSP2212Y a highly integrated solution that replaces multiple discrete components in CCD camera signal chains.
Does the VSP2212Y support optical black pixel calibration, and how is it implemented?
Yes, the VSP2212Y supports optical black pixel calibration through dedicated timing inputs: PBLK, COB, CLPOB, SHP, SHD, and CLPDM. These signals synchronize the CDS block to sample dark reference pixels during horizontal blanking, enabling real-time black-level clamping. The VSP2212Y also features fast black-level recovery after PGA gain changes, ensuring stable DC restoration across exposure adjustments.
What are the power supply requirements for the VSP2212Y, and what is its typical power consumption?
The VSP2212Y operates from a single 2.7 V to 3.6 V supply, with typical active power dissipation of 99 mW at 3.0 V. In standby mode, it draws only 6 mW. This single-supply, low-power design simplifies power delivery in portable digital cameras and battery-powered imaging devices, eliminating the need for dual or negative rails commonly required by older CCD processors.
Is the VSP2212Y pin-compatible with other members of the VSP2212 family, such as the VSP2212M?
The VSP2212Y and VSP2212M share identical electrical functionality and pin assignments, but differ in package: VSP2212Y uses LQFP-48 while VSP2212M uses VQFN-48. Their pinouts match electrically, but mechanical mounting, thermal pad layout, and reflow profiles differ. Therefore, they are not physically interchangeable without PCB redesign-VSP2212Y cannot be substituted for VSP2212M on the same footprint.
Why is the VSP2212Y marked as "Not Recommended For New Designs" (NRND) by Texas Instruments?
The VSP2212Y is designated NRND by Texas Instruments due to its legacy status in the CCD imaging market, where CMOS image sensors have largely displaced CCDs in new designs. However, TI continues manufacturing the VSP2212Y to support existing customer systems. Aetrix Electronics maintains inventory and provides lifecycle coordination, making the VSP2212Y viable for repair, replacement, and legacy system continuity-not for greenfield CCD camera development.
VSP2212Y Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 48-LQFP
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Function:
- Processor
- Applications:
- Consumer Video
- Standards:
- -
- Control Interface:
- Serial
- Voltage - Supply:
- 2.7V ~ 3.6V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 48-LQFP (7x7)
VSP2212Y FAQ
1.How can I place an order for VSP2212Y through Aetrix?
Please submit a Request for Quotation (RFQ) for VSP2212Y 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 VSP2212Y reliable?
The price and inventory of VSP2212Y are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VSP2212Y is usually 5 days.
3.What payment methods are accepted for VSP2212Y?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VSP2212Y transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VSP2212Y?
VSP2212Y orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VSP2212Y 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 VSP2212Y?
For technical support, including VSP2212Y datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VSP2212Y requirements.
6.How does Aetrix verify that VSP2212Y is sourced from the original manufacturer or authorized distributors?
All VSP2212Y 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 VSP2212Y meets industry standards.
7.What is the process for return or replacement of VSP2212Y?
All VSP2212Y units undergo pre-shipment inspection (PSI). If there is an issue with VSP2212Y, 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 VSP2212Y part is unused and in its original packaging.
Return procedure for VSP2212Y:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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