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Texas Instruments VSP2232Y
- Part No.:
- VSP2232Y
- Manufacturer:
- Texas Instruments
- Category:
- Video Processing
- Package:
- 48-LQFP
- Datasheet:
-
VSP2232Y.pdf
- Description:
- IC VIDEO CCD SIGNAL PROC 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,208
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Product details
Overview
VSP2232Y from Texas Instruments is a mixed-signal CCD signal processor IC for digital cameras, integrating correlated double sampling (CDS), programmable gain amplifier (−6 dB to 42 dB), 10-bit ADC with up to 36-MHz conversion rate, 76-dB SNR, and black level clamping - deployed in optical imaging front-ends of portable digital still cameras.
For engineers reviewing the VSP2232Y datasheet, VSP2232Y pinout, VSP2232Y application, or VSP2232Y equivalent, key selection considerations include its single 2.7–3.6-V supply operation, LQFP-48 package compatibility with VSP2262Y, standby power of 6 mW, and absence of missing codes in digitized output.
Technical Context
The VSP2232Y implements analog signal conditioning specifically for CCD image sensors: CDS removes reset noise and kTC noise, while digitally controlled PGA provides linear-in-dB gain adjustment across illumination conditions. Input clamping and optical black (OB) level correction ensure stable DC reference recovery after gain transitions.
Its 10-bit successive-approximation ADC operates synchronously with external timing signals (SHP, SHD, ADCCK), supports serial interface control (SCLK/SDATA/SLOAD), and delivers latched digital output (B0–B9) without missing codes over full dynamic range at up to 36 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit ADC output with no missing codes - guarantees monotonicity and full-scale linearity for accurate pixel value mapping. |
| Max Conversion Rate | 36 MHz - enables real-time digitization of high-frame-rate CCD outputs (e.g., VGA @ 30 fps with column parallel readout). |
| PGA Gain Range | −6 dB to +42 dB in 0.5-dB steps - supports wide dynamic range adaptation from low-light to bright scenes without saturation. |
| Signal-to-Noise Ratio | 76 dB - ensures high-fidelity capture of subtle tonal gradients in consumer-grade digital camera imaging pipelines. |
| Supply Voltage | 2.7 V to 3.6 V - compatible with single-cell Li-ion or regulated 3.3-V systems, reducing power management complexity. |
| Standby Power | 6 mW - enables rapid wake-up and low-quiescent operation during sensor idle periods in battery-powered cameras. |
Pinout & Package
The VSP2232Y is housed in a 48-pin LQFP (PT) package with exposed thermal pad, JEDEC-standard footprint, and moisture sensitivity level 1 (260°C peak reflow).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SHP | Sample-Hold Pulse Input | Controls CDS sampling window timing; must be synchronized to CCD pixel clock for accurate video signal extraction. |
| SHD | Sample-Hold Delay Input | Adjusts delay between reset and signal sampling phases to match CCD timing skew and minimize residual offset. |
| ADCCK | ADC Clock Input | Drives internal ADC conversion cycle; maximum 36 MHz determines upper limit of pixel data throughput. |
| B0–B9 | Digital Output Bus | 10-bit parallel latched output; requires external latch enable (CLPDM) and timing coordination for clean bus capture. |
| SCLK/SDATA/SLOAD | Serial Interface | 3-wire SPI-compatible control interface for configuring PGA gain, clamping mode, and timing registers. |
Key Features
| Feature | Design Value |
|---|---|
| Correlated Double Sampling (CDS) | Removes kTC and reset noise from CCD output, enabling >60-dB effective dynamic range before digitization. |
| Optical Black Level Clamping | Uses OB pixels to dynamically establish black reference, ensuring consistent DC restoration across temperature and gain changes. |
| Linear-in-dB PGA Control | Digitally programmable gain with 0.5-dB resolution maintains logarithmic perception fidelity for auto-exposure algorithms. |
| Single-Supply Operation | Eliminates need for dual ±3.3-V rails, simplifying PCB layout and reducing BOM count in compact camera modules. |
Applications
| Digital Still Camera Imaging Front-End | Portable Medical Endoscope Imaging |
|---|---|
Use Scenario: Capturing high-fidelity still images in consumer digital cameras using interline-transfer CCD sensors with column-parallel readout architecture. IC Role / Device Role / Timing Role: Primary analog signal processor performing CDS, gain scaling, black-level correction, and 10-bit digitization prior to image pipeline processing. Use Value: Delivers 76-dB SNR and missing-code-free output at 36 MHz, enabling VGA-resolution capture at ≥30 fps with minimal post-processing overhead. | Use Scenario: Real-time imaging in handheld diagnostic endoscopes powered by single Li-ion cells with strict thermal and size constraints. IC Role / Device Role / Timing Role: Low-power CCD signal conditioner providing fast black-level recovery and standby mode for intermittent imaging bursts. Use Value: 6 mW standby power and 2.7–3.6-V operation extend battery life while maintaining 10-bit fidelity for clinical grayscale interpretation. |
| Industrial Machine Vision Sensor Module | Legacy Surveillance Camera Upgrade |
Use Scenario: Integrating into compact OEM machine vision modules requiring precise analog conditioning of monochrome CCD outputs for defect inspection. IC Role / Device Role / Timing Role: Mixed-signal front-end handling pixel-level noise suppression, gain calibration, and synchronous digitization aligned to external trigger signals. Use Value: Pin-compatible upgrade path from older TI CCD processors (e.g., VSP2212), preserving layout while improving SNR by 8 dB and max clock rate by 12 MHz. | Use Scenario: Retrofitting aging analog CCTV cameras with higher-resolution CCD sensors without redesigning full signal chain. IC Role / Device Role / Timing Role: Drop-in replacement for legacy 10-bit CCD AFEs, leveraging existing LQFP-48 footprint and serial control interface. Use Value: Maintains compatibility with legacy timing generators while adding programmable black clamping and improved gain linearity for enhanced low-light performance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar CCD signal processing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| VSP2262Y | 12-bit resolution, 20-MHz max conversion rate, identical pinout and register map - higher precision but lower speed. | Preferred where bit-depth dominates over frame rate (e.g., archival scanning, scientific imaging). | Select VSP2262Y when 12-bit dynamic range outweighs need for 36-MHz throughput. |
| AD9826 | Analog Devices 16-bit CCD signal processor with on-chip CDS, PGA, and ADC; different pinout and SPI protocol; requires ±5-V supplies. | Suitable for high-end industrial or broadcast CCD systems demanding extended dynamic range and dual-supply flexibility. | Choose AD9826 only if 16-bit resolution and external CDS control justify redesign and dual-rail power. |
Compared with VSP2232Y, VSP2262Y trades speed for resolution within the same footprint, while AD9826 offers higher bit depth and design flexibility at the cost of layout change and supply complexity - making VSP2232Y optimal for cost-sensitive, high-speed portable imaging.
Availability
VSP2232Y is available at Aetrix Electronics and suitable for digital camera modules, portable medical imagers, industrial machine vision sensors, and legacy surveillance upgrades requiring stable component supply and long-term obsolescence support.
Supply support for VSP2232Y 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 leader delivering analog, embedded processing, and digital signal solutions for industrial, automotive, and consumer markets.
The VSP2232Y belongs to TI's Video and Imaging AFE product line, engineered specifically for low-power, high-fidelity CCD signal conditioning in portable digital imaging systems.
FAQ
What is the operating voltage range for the VSP2232Y?
The VSP2232Y operates from a single supply of 2.7 V to 3.6 V, optimized for battery-powered digital cameras and portable imaging devices. This range supports direct connection to regulated 3.3-V rails or single-cell Li-ion batteries without intermediate regulation. The VSP2232Y maintains full specification compliance-including 36-MHz conversion rate and 76-dB SNR-across this entire voltage window. Operation outside this range may cause functional failure or parametric degradation.
Is the VSP2232Y pin-compatible with other TI CCD processors?
Yes, the VSP2232Y is explicitly documented as pin-to-pin compatible with the VSP2262Y, sharing identical LQFP-48 pinout, register map, and timing interface. This allows direct substitution where 10-bit resolution and higher speed are prioritized over 12-bit depth. However, it is not compatible with earlier VSP2212 or VSP2222 families due to differing pin assignments and control protocols. Always verify mechanical fit and thermal pad layout before board-level replacement.
Does the VSP2232Y support optical black clamping?
Yes, the VSP2232Y implements programmable optical black (OB) level clamping using dedicated OB pixel inputs (COB, PBLK) and internal reference generation. This feature dynamically establishes an accurate black reference independent of ambient temperature and gain setting, enabling rapid recovery (<1 µs) after PGA adjustments. The VSP2232Y uses OB clamping to maintain consistent DC offset across varying lighting conditions - critical for artifact-free image capture in digital still cameras.
What is the maximum clock frequency supported by the VSP2232Y ADC?
The VSP2232Y ADC supports a maximum conversion clock (ADCCK) frequency of 36 MHz, enabling real-time digitization of high-speed CCD outputs. At this rate, the VSP2232Y sustains full 10-bit accuracy with no missing codes and specified 76-dB SNR. Exceeding 36 MHz violates AC timing specifications and may result in metastability, code errors, or increased quantization noise. The VSP2232Y datasheet defines setup/hold margins relative to ADCCK, requiring careful PCB routing for signal integrity.
Is the VSP2232Y recommended for new designs?
No, the VSP2232Y is marked "NRND" (Not Recommended for New Designs) by Texas Instruments per its packaging addendum dated 2016. While actively manufactured for existing customer support, TI advises against incorporating the VSP2232Y into new product development. For new designs, consider evaluating TI's newer image signal processors or alternative vendors' CCD/CMOS AFEs with active roadmaps. Aetrix Electronics provides lifecycle coordination and last-time-buy planning for the VSP2232Y to support ongoing production needs.
VSP2232Y Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 48-LQFP
- Packaging:
- Bulk
- Product Status:
- Obsolete
- 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)
VSP2232Y FAQ
1.How can I place an order for VSP2232Y through Aetrix?
Please submit a Request for Quotation (RFQ) for VSP2232Y 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 VSP2232Y reliable?
The price and inventory of VSP2232Y are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VSP2232Y is usually 5 days.
3.What payment methods are accepted for VSP2232Y?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VSP2232Y transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VSP2232Y?
VSP2232Y orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VSP2232Y 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 VSP2232Y?
For technical support, including VSP2232Y datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VSP2232Y requirements.
6.How does Aetrix verify that VSP2232Y is sourced from the original manufacturer or authorized distributors?
All VSP2232Y 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 VSP2232Y meets industry standards.
7.What is the process for return or replacement of VSP2232Y?
All VSP2232Y units undergo pre-shipment inspection (PSI). If there is an issue with VSP2232Y, 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 VSP2232Y part is unused and in its original packaging.
Return procedure for VSP2232Y:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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