SN65LVDS122PWRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN65LVDS122PWRG4 is a 2×2 digital crosspoint switch with LVDS (Low Voltage Differential Signaling) inputs and outputs, supporting data rates up to 1.5 Gbps per channel in a 16-pin TSSOP package. It features differential Schmitt-trigger inputs for superior noise immunity and allows any input to be routed to any output under software control, enabling flexible high-speed signal routing in serializer/deserializer and clock distribution networks. Suitable for telecommunications, video broadcasting, and high-speed data acquisition systems.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SN65LVDS122PWRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN65LVDS122PWRG4?
- 2x2 LVDS digital crosspoint switch supporting up to 1.5 Gbps per channel
- Differential Schmitt-trigger inputs for high noise immunity on long traces
- Flexible signal routing: any input routable to any output
- LVDS differential outputs with 350 mV typical differential voltage swing
- Low power consumption suitable for high-density crosspoint arrays
- 16-pin TSSOP package for compact high-speed PCB designs
What is SN65LVDS122PWRG4 used for?
The SN65LVDS122PWRG4 is used in telecommunications line cards and SONET/SDH equipment where flexible high-speed clock and data signal routing between multiple ICs is required without external buffers. In video broadcast and production systems, it enables 1.5 Gbps HD-SDI signal switching and distribution between encoder, decoder, and frame synchronizer boards. It is also applied in high-speed data acquisition instruments and FPGA-based prototyping platforms that require dynamic reconfiguration of differential signal paths at multi-gigabit rates.
What are the specifications of SN65LVDS122PWRG4?
| YTEOL | 15 |
| Differential Output | YES |
| Driver Number of Bits | 2 |
| High Level Input Current-Max | 0.00002A |
| Input Characteristics | DIFFERENTIAL SCHMITT TRIGGER |
| Interface IC Type | LINE TRANSCEIVER |
| Interface Standard | GENERAL PURPOSE |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Number of Functions | 2 |
| Out Swing-Min | 0.247V |
| Output Characteristics | DIFFERENTIAL |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Receive Delay-Max | 0.9ns |
| Receiver Number of Bits | 2 |
| Supply Current-Max | 100mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3.3V |
| Supply Voltage1-Max | 3.6V |
| Supply Voltage1-Min | 3V |
| Supply Voltage1-Nom | 3.3V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Transmit Delay-Max | 0.9ns |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Taiwan |
Where can I find the SN65LVDS122PWRG4 datasheet?
SN65LVDS122PWRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN65LVDS122PWRG4?
Compatible alternatives and drop-in replacements for SN65LVDS122PWRG4:
Frequently Asked Questions
Up to what data rate can SN65LVDS122PWRG4 route LVDS signals through its crosspoint switch?
SN65LVDS122PWRG4 supports data rates up to 1.5 Gbps per channel through the 2x2 crosspoint switch. This bandwidth is sufficient for HD-SDI video signals at 1.485 Gbps, serial RapidIO links at 1.25 Gbps, and many SERDES clock distribution applications. The LVDS interface limits total propagation through the device to a few hundred picoseconds, maintaining signal integrity at these rates.
How does the differential Schmitt-trigger input of SN65LVDS122PWRG4 improve performance in noisy industrial environments?
The differential Schmitt-trigger inputs of SN65LVDS122PWRG4 add hysteresis to the switching threshold, requiring a differential input swing to cross two voltage levels before the output changes state. This hysteresis, combined with the inherent common-mode rejection of differential signaling, suppresses ground bounce, power supply noise, and electromagnetic interference that would cause false triggering on a single-ended input. The result is reliable 1.5 Gbps switching even when the PCB carries mixed-signal or switching power supply noise on a shared ground plane.
In a 4-board video distribution system, how does SN65LVDS122PWRG4 reduce cable and connector count compared to passive splitters?
A 2x2 crosspoint switch like SN65LVDS122PWRG4 allows two input sources to be routed to any of two output destinations under register control, eliminating the need for physical cable changes or mechanical patch panels when reconfiguring signal flow. In a 4-board video system with two sources and two destinations, using SN65LVDS122PWRG4 reduces manual intervention during format changeovers, and the 350 mV differential output swing re-drives the LVDS signal for distances up to several meters on 100-ohm differential PCB traces without external amplifiers.
Can SN65LVDS122PWRG4 be cascaded to build a larger crosspoint switch for a multi-channel video router?
Yes, SN65LVDS122PWRG4 can be cascaded by connecting the LVDS outputs of one device to the LVDS inputs of another, building larger switching fabrics for multi-channel video routers. Each cascaded stage adds a propagation delay of a few hundred picoseconds, so a 2-stage cascade still meets the 1.5 Gbps timing budget for HD-SDI. For a 4x4 switch, four SN65LVDS122 devices can be arranged in a crossbar topology controlled by a microcontroller or FPGA via I2C or SPI configuration registers.
How does the 16-pin TSSOP package of SN65LVDS122PWRG4 help in high-density PCB layouts for multi-channel signal routing cards?
The 16-pin TSSOP package has a 0.65 mm lead pitch and a 4.4 mm body width, giving a PCB footprint of approximately 6.4 mm × 5.0 mm. This compact outline allows multiple SN65LVDS122 devices to be placed close together on a routing card, minimizing LVDS trace lengths between devices and reducing inter-channel skew. Shorter differential pair lengths reduce insertion loss at 1.5 Gbps, helping maintain the 350 mV differential swing and eye opening required by downstream LVDS receivers.
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