Overview
The SN65LVELT22DR is a dual LVTTL (Low Voltage Transistor-Transistor Logic) to differential LVPECL (Low Voltage Positive Emitter-Coupled Logic) translator buffer produced by Texas Instruments. This device is designed to operate on a +3V supply and ground, making it suitable for a variety of signal translation applications. The SN65LVELT22DR is housed in an industry-standard SOIC-8 package, ensuring compatibility with existing designs. It features built-in temperature compensation and low output skew, making it ideal for clock or data signal translation.
Key Specifications
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| Supply Voltage (VCC) | V | 3.0 | 3.3 | 3.8 |
| Input Voltage (VIN) | V | 0 | - | 6 |
| Operating Temperature Range | °C | -40 | - | 85 |
| Propagation Delay (tPLH/tPHL) | ps | 200 | 425-460 | 550 |
| Output to Output Skew | ps | - | 50 | - |
| Device-to-Device Skew | ps | - | 100 | - |
| Output Rise/Fall Times (tr/tf) | ps | 300 | 500 | - |
| Power Supply Current (ICC) | mA | 23 | 33 | - |
Key Features
- Operates on +3V supply and ground only.
- Default high output when inputs are left floating or unused.
- Low output skew, making it ideal for clock or data signal translation.
- Built-in temperature compensation.
- Drop-in compatible with MC100LVELT22.
- Available in SOIC-8 and TSSOP-8 packages.
- Maximum switching frequency of 1750 MHz.
- ESD protection (HBM: 4 kV, MM: 200 V, CDM: 2 kV).
Applications
- Data and clock transmission over backplane.
- Signaling level conversion for clock or data signals.
- High-speed data communication systems.
- Telecommunication equipment.
- Networking and server applications.
Q & A
- What is the primary function of the SN65LVELT22DR?
The SN65LVELT22DR is a dual LVTTL to differential LVPECL translator buffer, designed to convert LVTTL signals to LVPECL signals.
- What is the operating voltage range for the SN65LVELT22DR?
The device operates on a supply voltage (VCC) range of 3.0 V to 3.8 V.
- What are the typical propagation delays for the SN65LVELT22DR?
The typical propagation delays (tPLH/tPHL) are between 425 ps and 460 ps.
- What is the maximum switching frequency of the SN65LVELT22DR?
The maximum switching frequency is 1750 MHz.
- What are the available package options for the SN65LVELT22DR?
The device is available in SOIC-8 and TSSOP-8 packages.
- Does the SN65LVELT22DR have built-in ESD protection?
Yes, it has ESD protection with ratings of HBM: 4 kV, MM: 200 V, and CDM: 2 kV.
- What is the operating temperature range for the SN65LVELT22DR?
The operating temperature range is from -40°C to 85°C.
- Is the SN65LVELT22DR compatible with other devices?
Yes, it is drop-in compatible with the MC100LVELT22.
- What is the typical power supply current for the SN65LVELT22DR?
The typical power supply current (ICC) is 33 mA.
- How does the SN65LVELT22DR handle unused or floating inputs?
The output is driven default high when the inputs are left floating or unused.
