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Texas Instruments VSP2101YG4
- Part No.:
- VSP2101YG4
- Manufacturer:
- Texas Instruments
- Category:
- Video Processing
- Package:
- 48-LQFP
- Datasheet:
-
VSP2101YG4.pdf
- Description:
- IC VIDEO CCD SIGNAL PROC 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,136
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Product details
Overview
VSP2101YG4 from Texas Instruments is a CCD signal processor IC for digital imaging systems, integrating correlated double sampling (CDS), –2 dB to +34 dB programmable gain, black level clamping, and 10-bit A/D conversion at up to 27 MHz. It operates from a single 2.7–3.6 V supply, delivers 53 dB SNR, and supports portable camera designs requiring low power (160 mW at 2.7 V) and precise analog signal conditioning.
For engineers reviewing the VSP2101YG4 datasheet, VSP2101YG4 pinout, VSP2101YG4 application, or VSP2101YG4 equivalent, key selection considerations include its dedicated CCD front-end architecture, on-chip DACs for iris control, timing-controlled CDS recovery after gain change, and LQFP-48 packaging with RoHS-compliant CU NIPDAU finish.
Technical Context
The VSP2101YG4 implements a dual-stage analog signal chain: first, correlated double sampling extracts pixel video while suppressing reset noise; second, a logarithmic variable-gain amplifier (Log VCA) provides linear-in-dB gain control across –2 dB to +34 dB. Black level auto-zero and clamping circuits ensure stable DC reference recovery within one frame after gain adjustment.
It integrates a 10-bit ADC with no missing codes and supports synchronous parallel digital output via DATCK/REFCK timing signals. Two on-chip 10-bit DACs (DAC0 and DAC1) generate analog control voltages-e.g., for lens iris-without external components, reducing system BOM count and layout complexity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ADC Resolution | 10-bit, guaranteed no missing codes-ensures monotonic digitization of CCD analog output without data gaps. |
| Max Conversion Rate | 27 MHz-supports VGA-resolution CCDs at ~30 fps with full pixel readout bandwidth. |
| Gain Range | –2 dB to +34 dB in 0.5 dB steps-enables precise exposure control under varying illumination without external PGA. |
| SNR | 53 dB-measured at full-scale input, defines usable dynamic range for high-fidelity image capture. |
| Supply Voltage | 2.7 V to 3.6 V-allows direct integration with Li-ion or regulated 3.3 V rails in compact camera modules. |
| Power Consumption | 160 mW at 2.7 V, 190 mW at 3.0 V, 18 mW in power-down-enables battery-operated digital still and PC cameras. |
| DAC Count | Two independent 10-bit DACs-provides simultaneous analog control for iris and other peripheral functions. |
Pinout & Package
The VSP2101YG4 is housed in a 48-lead LQFP (PT package drawing), RoHS-compliant with CU NIPDAU finish and JEDEC Level-1 moisture sensitivity rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CCD Out | CCD analog input | Primary differential input for CCD sensor video signal; routed to CDS stage. |
| DUMC | Dummy pixel clock | Synchronizes dummy pixel readout to enable accurate black-level reference extraction. |
| REFCK | Reference clock input | Defines sampling phase for CDS and ADC timing; must be stable and jitter-controlled. |
| DATCK | Data clock output | Source-synchronous clock for latching 10-bit digital output; aligns with parallel data valid window. |
| WRT | Write strobe input | Controls register write access via serial port; enables configuration of gain, clamp, and timing registers. |
| SD / SCLK | Serial data I/O and clock | 2-wire interface for programming internal registers; supports gain, offset, and mode settings. |
| DAC OUT | Analog DAC output | Output of DAC0; used for analog iris control voltage generation without external DAC. |
| OB | Output buffer enable | Active-low control for tri-stating digital output bus-enables shared data bus architectures. |
Key Features
| Feature | Design Value |
|---|---|
| Correlated Double Sampling (CDS) | On-chip CDS with auto-zero and clamping eliminates reset noise and offsets, enabling clean pixel-level signal recovery. |
| Linear-in-dB Gain Control | Gain adjusted digitally in 0.5 dB steps across –2 dB to +34 dB-ensures predictable exposure scaling without calibration tables. | Black Level Recovery | Full black reference stabilization within one frame after gain change-prevents transient brightness artifacts in auto-exposure loops. |
| Integrated Dual 10-bit DACs | DAC0 and DAC1 provide independent analog control outputs-replaces two external DACs and reduces PCB area and component count. |
| Single-Supply Operation | 2.7–3.6 V operation eliminates need for dual ± supplies-simplifies power design and improves system reliability. |
Applications
| Digital Still Cameras | PC Cameras |
|---|---|
Use Scenario: Compact consumer digital cameras capturing still images at VGA or SVGA resolution. IC Role / Device Role / Timing Role: Primary CCD signal conditioner and digitizer-performs CDS, gain scaling, black clamping, and 10-bit digitization. Use Value: Enables high-SNR image capture with minimal external components and low power draw suitable for AA-battery operation. | Use Scenario: USB-based webcams and video conferencing devices with embedded CCD sensors. IC Role / Device Role / Timing Role: Front-end analog processing and digitization block-synchronizes to host USB frame timing via REFCK/DATCK. Use Value: Delivers consistent image quality across lighting conditions using programmable gain and fast black-level recovery. |
| Security Cameras | Video Cameras |
Use Scenario: Low-light indoor/outdoor surveillance cameras using interline-transfer CCDs. IC Role / Device Role / Timing Role: CCD signal processor with adaptive gain and black-level stability-supports automatic exposure and WDR-like behavior via gain sequencing. Use Value: Maintains usable SNR down to 1 lux by maximizing analog gain before digitization, reducing post-processing noise amplification. | Use Scenario: Portable camcorders and handheld video recorders with progressive-scan CCDs. IC Role / Device Role / Timing Role: Real-time analog signal conditioning and digitization engine-handles continuous video stream at 27 MHz pixel rate. Use Value: Provides deterministic timing (REFCK/DATCK) and parallel digital output for seamless interface to video DSP or FPGA video pipelines. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar CCD signal processing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TVP5150AM1 | Composite video decoder (NTSC/PAL), not a CCD front-end; lacks CDS, gain control, and DACs. | Designed for analog video inputs (CVBS), not raw CCD outputs; requires external CDS and gain stages. | Select only if processing standard-definition composite video-not for direct CCD interfacing. |
| AD9826 | 16-bit CCD signal processor with CDS and 40 MSPS ADC; higher resolution and speed but higher power (350 mW). | Targets professional imaging and scientific CCDs requiring >12-bit dynamic range and faster readout. | Choose when 10-bit resolution is insufficient and system can accommodate higher power and cost. |
Compared with TVP5150AM1 and AD9826, the VSP2101YG4 uniquely balances 10-bit precision, integrated CDS+DAC functionality, and ultra-low power for portable digital cameras-making it optimal where size, battery life, and CCD-native signal chain simplicity are critical.
Availability
VSP2101YG4 is available at Aetrix Electronics and suitable for digital still cameras, PC cameras, security cameras, and portable video cameras requiring stable component supply and legacy CCD signal chain support.
Supply support for VSP2101YG4 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, delivering analog, embedded processing, and digital signal solutions for industrial, automotive, and consumer markets.
The VSP2101YG4 belongs to TI's legacy CCD signal processor product line, designed specifically to integrate analog front-end functions-including CDS, gain control, black clamping, and digitization-for compact, low-power digital imaging systems.
FAQ
What is the primary function of the VSP2101YG4 in a digital camera system?
The VSP2101YG4 serves as a complete CCD signal processor, performing correlated double sampling (CDS), –2 dB to +34 dB programmable gain, black level clamping, and 10-bit analog-to-digital conversion. In a digital camera system, the VSP2101YG4 conditions raw CCD output into a stable, digitized video stream ready for downstream processing-eliminating the need for discrete CDS, PGA, and ADC components.
Does the VSP2101YG4 support both interline and full-frame CCD sensors?
Yes, the VSP2101YG4 supports both interline and full-frame CCD sensors through its configurable timing control and dummy pixel clock (DUMC) input, which enables proper black-level reference extraction regardless of sensor architecture. The VSP2101YG4 datasheet confirms compatibility with standard CCD timing protocols, including those used in interline-transfer security cameras and full-frame digital still cameras.
What are the power supply requirements for the VSP2101YG4?
The VSP2101YG4 operates from a single 2.7 V to 3.6 V supply, consuming 160 mW at 2.7 V and 190 mW at 3.0 V under typical conditions. It also features a power-down mode drawing just 18 mW, making it suitable for battery-powered digital cameras. The VSP2101YG4 does not require negative or split supplies-simplifying power design in space-constrained modules.
How many DACs does the VSP2101YG4 integrate, and what are their roles?
The VSP2101YG4 integrates two independent 10-bit DACs (DAC0 and DAC1), each capable of generating precise analog control voltages. DAC0 drives the DAC OUT pin and is commonly used for lens iris control; DAC1 supports auxiliary analog functions such as CCD bias adjustment or AGC reference setting. These DACs eliminate external components and reduce system-level calibration effort in the VSP2101YG4-based design.
Is the VSP2101YG4 pin-compatible with other members of the VSP2101 family?
Yes, the VSP2101YG4 shares identical pinout and package (LQFP-48) with the VSP2101Y, as confirmed by TI's packaging addendum. Both variants use the same PT package drawing and device marking convention. However, the VSP2101YG4 is marked "NRND" (Not Recommended for New Designs), so while pin compatibility exists, new designs should evaluate TI's current-generation alternatives for long-term supply assurance.
VSP2101YG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- SpeedPlus™
- Package/Case:
- 48-LQFP
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- 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)
VSP2101YG4 FAQ
1.How can I place an order for VSP2101YG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for VSP2101YG4 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 VSP2101YG4 reliable?
The price and inventory of VSP2101YG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VSP2101YG4 is usually 5 days.
3.What payment methods are accepted for VSP2101YG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VSP2101YG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VSP2101YG4?
VSP2101YG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VSP2101YG4 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 VSP2101YG4?
For technical support, including VSP2101YG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VSP2101YG4 requirements.
6.How does Aetrix verify that VSP2101YG4 is sourced from the original manufacturer or authorized distributors?
All VSP2101YG4 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 VSP2101YG4 meets industry standards.
7.What is the process for return or replacement of VSP2101YG4?
All VSP2101YG4 units undergo pre-shipment inspection (PSI). If there is an issue with VSP2101YG4, 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 VSP2101YG4 part is unused and in its original packaging.
Return procedure for VSP2101YG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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