TLV990-21 Texas Instruments Integrated Circuit (Quad Flat Packages) In Stock
TLV990-21 is a 1-channel, 10-bit, 21 MSPS analog front-end IC from Texas Instruments, housed in a 48-pin TQFP package. It integrates parallel and serial output interfaces for high-speed data acquisition. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat Packages
- Pin Count
- 48
- Lifecycle
- ACTIVE
- Datasheet
- TLV990-21 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TLV990-21?
- 1-channel, 10-bit resolution at 21 MSPS sampling rate for high-speed analog-to-digital conversion
- Supports both parallel and serial output interfaces for flexible system integration
- Compact 48-pin TQFP package enabling space-efficient PCB design in signal processing applications
- Low-power analog front-end architecture optimized for continuous high-speed data acquisition
What is TLV990-21 used for?
The TLV990-21 is well-suited for high-speed data acquisition systems, software-defined radios, and communications signal processing where 10-bit resolution at 21 MSPS is required. It is also used in medical imaging equipment and test-and-measurement instruments that demand fast, accurate analog sampling. Its dual parallel/serial output interface makes it flexible for integration into both FPGA-based and DSP-based processing pipelines.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TLV990-21 datasheet?
TLV990-21 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TLV990-21?
Compatible alternatives and drop-in replacements for TLV990-21:
Frequently Asked Questions
What is the maximum sampling rate of the TLV990-21 and how does it affect system bandwidth?
The TLV990-21 achieves a maximum sampling rate of 21 MSPS with 10-bit resolution. This allows the device to capture analog signals with bandwidths up to approximately 10.5 MHz per Nyquist, making it suitable for intermediate-frequency signal chains in communications and test equipment requiring fast, accurate digitization.
Which output interface should I use when connecting TLV990-21 to an FPGA versus a DSP processor?
For FPGA connections, the parallel output interface is typically preferred as it transfers all 10 bits simultaneously, reducing latency at 21 MSPS. For DSP processors with limited I/O pins, the serial interface reduces pin count significantly while still delivering full 10-bit data. Both interfaces are supported natively by the TLV990-21 in its 48-pin TQFP package.
How does the 48-pin TQFP package of TLV990-21 affect PCB layout and thermal management?
The 48-pin TQFP package has a body size of approximately 7 mm x 7 mm with 0.5 mm pin pitch, enabling compact PCB layouts. The exposed pad or thermal slug on TQFP variants aids heat dissipation at full 21 MSPS operation. Designers should maintain short analog input traces under 25 mm to minimize signal integrity degradation at high sampling frequencies.
In what operating temperature range does the TLV990-21 function reliably?
The TLV990-21 is specified to operate across an industrial temperature range of -40°C to +85°C, ensuring reliable analog-to-digital conversion at 21 MSPS in challenging environments such as outdoor telecom equipment, industrial data loggers, and ruggedized test instruments where temperature variation is a design concern.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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