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Texas Instruments TLC5510INS-A
- Part No.:
- TLC5510INS-A
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- -
- Datasheet:
-
TLC5510INS-A.pdf
- Description:
- 8-BIT ADC, FLASH METHOD
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Product details
Overview
TLC5510INS-A from Texas Instruments is a CMOS 8-bit, 20 MSPS analog-to-digital converter (ADC) using a semiflash architecture for high-speed video and communication signal digitization. It operates on a single 5-V supply, delivers ±0.75 LSB integral linearity at 25°C, features parallel TTL-compatible outputs with tri-state control, and targets real-time digital TV and QAM demodulator front-ends.
For engineers reviewing the TLC5510INS-A datasheet, TLC5510INS-A pinout, TLC5510INS-A application, or TLC5510INS-A equivalent, this page provides verified technical context, validated pin functions, confirmed static/dynamic performance specs, and two rigorously cross-referenced alternative ADCs for 2-V full-scale, 20 MSPS video acquisition systems.
Technical Context
The TLC5510INS-A implements a 2-step semiflash conversion architecture-first sampling and coarse quantization via upper comparators, then fine quantization via lower comparators-reducing comparator count versus flash ADCs while maintaining 20 MSPS throughput and 2.5-clock output latency. Its internal resistor divider (320 Ω / 270 Ω / 80 Ω) generates a precise 2-V reference from VDDA, eliminating external reference components for standard video input ranges.
It integrates an on-chip sample-and-hold circuit, supports high-impedance digital outputs via OE control, and separates analog (AGND/VDDA) and digital (DGND/VDDD) supply domains to minimize noise coupling. Absolute maximum ratings include 7-V supply tolerance and –20°C to 75°C operating temperature range, with recommended 4.75–5.25 V supply operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 8-bit linear output code; enables 256 discrete amplitude levels for NTSC/PAL video signal digitization. |
| Max Conversion Rate | 20 MSPS; supports real-time sampling of baseband video signals up to 14 MHz analog bandwidth (–1 dB). |
| Full-Scale Input Range | 2 V (TLC5510 variant); matches standard video signal swing (e.g., 1 Vpp into 75 Ω with DC offset), requiring no external scaling. |
| Integral Linearity Error | ±0.75 LSB max at 25°C; ensures <0.3% end-point nonlinearity critical for color fidelity in digital TV applications. |
| Power Consumption | 127.5 mW typ (includes internal reference resistor dissipation); enables low-thermal-load integration in dense video processing boards. |
| Output Interface | Parallel CMOS/TTL outputs D1(LSB)–D8(MSB) with tri-state OE control; simplifies direct connection to FPGA or DSP data buses without level-shifting. |
| Analog Input Bandwidth | 14 MHz (–1 dB); preserves harmonics of composite video signals and supports QAM symbol rates up to 16-QAM. |
Pinout & Package
Package: 24-pin SOIC (NS), 7.5 mm × 15.4 mm body, RoHS-compliant NiPdAu lead finish, MSL Level-1 (260°C, unlimited floor life).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OE (Pin 1) | Digital input | Active-low output enable; places D1–D8 in high-impedance state when high, enabling bus sharing in multi-ADC systems. |
| CLK (Pin 12) | Digital input | Sampling clock input; falling edge initiates conversion; requires ≤25 ns pulse width for reliable 20 MSPS operation. |
| D1–D8 (Pins 3–10) | Digital outputs | Parallel 8-bit data bus; D1 = LSB, D8 = MSB; valid 18–30 ns after CLK rising edge with CL ≤ 10 pF load. |
| ANALOG IN (Pin 19) | Analog input | Differential-capable single-ended input; 16 pF input capacitance; requires ≤10 Ω source impedance for optimal SFDR performance. |
| REFB/REFT (Pins 23/17) | Analog reference inputs | Reference voltage terminals; configured as 2-V span via internal 3-resistor divider (VDDA → REFTS → REFT → REFB → REFBS → AGND). |
| VDDA/VDDD (Pins 11,13,14,15,18) | Supply rails | VDDA (analog) and VDDD (digital) are separate 5-V supplies; decoupling with 1 µF + 0.01 µF capacitors per rail is mandatory for SNR >44 dB. |
| AGND/DGND (Pins 2,20,21,24) | Ground returns | Internally connected but must be tied to a clean analog ground plane; separation prevents digital switching noise from degrading INL/DNL. |
Key Features
| Feature | Design Value |
|---|---|
| Internal 2-V Reference Divider | Eliminates external reference ICs or resistor networks-only jumper REFTS→REFT and REFBS→REFB required for standard video compliance. |
| 2.5-Clock Output Latency | Fixed deterministic delay from sampling edge to valid D1–D8 output, enabling precise timing alignment in synchronous video pipelines. |
| 14 MHz Analog Bandwidth | Preserves NTSC/PAL luminance/chrominance spectral content; supports >400-line horizontal resolution without aliasing artifacts. |
| Tri-State Parallel Outputs | Enables direct connection to shared data buses in multi-channel acquisition systems without external bus buffers or transceivers. |
| 44 dB SNR (Full Range) | Meets broadcast-grade video SNR requirements; achieved via low-aperture jitter (30 ps) and optimized internal comparator matching. |
Applications
| Video Digitization | QAM Demodulation |
|---|---|
|
Use Scenario: Digitizing composite NTSC video signals in set-top boxes before MPEG encoding. IC Role / Device Role / Timing Role: Front-end ADC capturing baseband luma/chroma at 14.3 MSPS with precise 2-V full-scale alignment. Use Value: Maintains differential gain/phase <1%/0.7°, preserving color accuracy across brightness levels without post-processing calibration. |
Use Scenario: Sampling IF output of cable modem tuner for 64-QAM symbol recovery. IC Role / Device Role / Timing Role: High-speed digitizer feeding FPGA-based digital downconverter and constellation decoder. Use Value: 46 dB SFDR at 3 MHz tone ensures minimal adjacent-channel interference during symbol decision, improving BER performance. |
| Medical Ultrasound Imaging | High-Speed Data Acquisition |
|
Use Scenario: Converting RF echo signals from phased-array transducers in portable ultrasound units. IC Role / Device Role / Timing Role: Low-latency ADC in receive beamformer chain, synchronized to pulsed transmit events. Use Value: 20 MSPS rate captures ≥10 MHz bandwidth echoes; 45 dB SNR at 1 MHz enables detection of weak tissue boundaries. |
Use Scenario: Real-time waveform capture in automated test equipment for serial interface validation. IC Role / Device Role / Timing Role: Triggered acquisition engine digitizing eye diagrams or jitter profiles at 20 MSPS. Use Value: 30 ps aperture jitter minimizes sampling uncertainty, allowing accurate measurement of sub-nanosecond edge transitions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit, 20 MSPS ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9203ASTZ | 20 MSPS, 10-bit resolution, 3-V supply only, no internal reference; requires external 2-V reference and level-shifting for 5-V logic interfacing. | Better resolution but higher power (150 mW) and no native 5-V I/O compatibility; suited for new 3-V designs prioritizing ENOB over legacy interface. | Select AD9203ASTZ only if 10-bit precision is required and system redesign for 3-V operation and external reference is feasible. |
| MAX1186ETL+ | 20 MSPS, 8-bit, 3-V supply, integrated 2-V reference, LVDS outputs; lacks OE pin and TTL-compatible parallel outputs. | LVDS interface reduces EMI but mandates LVDS receiver ICs; incompatible with direct FPGA GPIO connections used with TLC5510INS-A. | Choose MAX1186ETL+ only for noise-sensitive environments where LVDS cabling and receiver integration are acceptable trade-offs. |
Compared with AD9203ASTZ and MAX1186ETL+, the TLC5510INS-A uniquely combines 5-V TTL I/O compatibility, integrated 2-V reference, OE-controlled tri-state outputs, and drop-in replaceability in legacy video hardware-making it irreplaceable for cost-sensitive, space-constrained upgrades of existing 20 MSPS video digitizers.
Availability
TLC5510INS-A is available at Aetrix Electronics and suitable for digital TV front-ends, medical ultrasound receivers, and QAM demodulator subsystems requiring stable component supply, long-term lifecycle support, and RoHS-compliant SOIC packaging.
Supply support for TLC5510INS-A 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 specializing in analog, embedded processing, and connectivity technologies, with decades of expertise in high-performance data converters for video and communications.
The TLC5510 product line was designed specifically for cost-sensitive, high-volume video digitization applications requiring 20 MSPS speed, 2-V full-scale compatibility, and minimal external component count-targeting digital TV, medical imaging, and telecom infrastructure.
FAQ
What is the full-scale input voltage range of the TLC5510INS-A?
The TLC5510INS-A has a 2-V full-scale input range, achieved using its internal resistor divider network between VDDA and AGND. This configuration eliminates the need for external reference components and aligns precisely with standard video signal levels such as 1 Vpp into 75 Ω with 1 V DC offset. The TLC5510INS-A datasheet confirms this specification under "Analog Input Range" and "Internal Referencing" sections.
Does the TLC5510INS-A require external reference components?
No, the TLC5510INS-A does not require external reference components for its standard 2-V full-scale operation. It integrates three precision resistors (320 Ω / 270 Ω / 80 Ω) to generate the reference voltage internally. Per the TLC5510INS-A datasheet Figure 3, only jumper connections (REFTS→REFT and REFBS→REFB) are needed to activate the internal 2-V reference-no external ICs or resistors are necessary.
What is the output enable (OE) functionality of the TLC5510INS-A?
The OE pin (Pin 1) on the TLC5510INS-A provides active-low tri-state control of the D1–D8 parallel outputs. When OE is low, data is driven onto the bus; when OE is high, all eight outputs enter high-impedance state. This allows multiple TLC5510INS-A devices to share a common data bus without external bus switches-confirmed in the "Terminal Functions" table of the TLC5510INS-A datasheet.
What is the typical power consumption of the TLC5510INS-A at 20 MSPS?
The TLC5510INS-A consumes 127.5 mW typical power at 20 MSPS, including dissipation from its internal reference resistors. This value is specified in the "Features" section and verified in the "Power" electrical characteristics table of the TLC5510INS-A datasheet, measured at VDD = 5 V, f(CLK) = 20 MHz, and TA = 25°C with NTSC ramp input.
Is the TLC5510INS-A pin-compatible with the Sony CXD1175?
Yes, the TLC5510INS-A is explicitly stated as interchangeable with the Sony CXD1175 in the "Features" section of the official TLC5510INS-A datasheet. Both devices share identical pinout, 2-V full-scale range, 20 MSPS speed, and SOIC-24 packaging-enabling direct replacement in legacy consumer video equipment originally designed for the CXD1175.
TLC5510INS-A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Number of Bits:
- -
- Sampling Rate (Per Second):
- -
- Number of Inputs:
- -
- Input Type:
- -
- Data Interface:
- -
- Configuration:
- -
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- -
- Architecture:
- -
- Reference Type:
- -
- Voltage - Supply, Analog:
- -
- Voltage - Supply, Digital:
- -
- Features:
- -
- Operating Temperature:
- -
- Supplier Device Package:
- -
- Mounting Type:
- -
- Grade:
- -
- Qualification:
- -
TLC5510INS-A FAQ
1.How can I place an order for TLC5510INS-A through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC5510INS-A 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 TLC5510INS-A reliable?
The price and inventory of TLC5510INS-A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC5510INS-A is usually 5 days.
3.What payment methods are accepted for TLC5510INS-A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC5510INS-A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC5510INS-A?
TLC5510INS-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC5510INS-A 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 TLC5510INS-A?
For technical support, including TLC5510INS-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC5510INS-A requirements.
6.How does Aetrix verify that TLC5510INS-A is sourced from the original manufacturer or authorized distributors?
All TLC5510INS-A 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 TLC5510INS-A meets industry standards.
7.What is the process for return or replacement of TLC5510INS-A?
All TLC5510INS-A units undergo pre-shipment inspection (PSI). If there is an issue with TLC5510INS-A, 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 TLC5510INS-A part is unused and in its original packaging.
Return procedure for TLC5510INS-A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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