Overview
The MC100EL57DR2G is a 5 V ECL (Emitter-Coupled Logic) 4:1 differential multiplexer produced by onsemi. This device is part of the 100 Series, which includes temperature compensation, enhancing its performance and stability across various operating conditions. The MC100EL57 can be used as either a 4:1 or a 2:1 multiplexer, depending on the configuration of the select lines. It features internal input pulldown resistors on all inputs and provides VBB outputs for single-ended or AC coupled interfaces, making it versatile for different application scenarios.
Key Specifications
| Characteristic | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC (PECL Mode Power Supply) | VEE = 0 V | 4.2 | 5.7 | V | |
| VEE (NECL Mode Power Supply) | VCC = 0 V | −4.2 | −5.7 | V | |
| VI (Input Voltage) | PECL Mode | −6 | 6 | V | |
| Iout (Output Current) | Continuous | 50 | mA | ||
| Iout (Output Current) | Surge | 100 | mA | ||
| IBB (VBB Sink/Source) | ±0.5 | mA | |||
| TA (Operating Temperature Range) | −40 | 85 | °C | ||
| Tstg (Storage Temperature Range) | −65 | 150 | °C | ||
| �JA (Thermal Resistance Junction-to-Ambient) | 0 lfpm | 130 | °C/W | ||
| �JC (Thermal Resistance Junction-to-Case) | Standard Board | 33 to 36 | °C/W |
Key Features
- Useful as either a 4:1 or 2:1 multiplexer by configuring the select lines.
- VBB output for single-ended operation or to rebias AC coupled inputs.
- PECL mode operating range: VCC = 4.2 V to 5.7 V with VEE = 0 V.
- NECL mode operating range: VCC = 0 V with VEE = −4.2 V to −5.7 V.
- Internal input pulldown resistors on all inputs.
- Q outputs default LOW with inputs open or at VEE.
- Pb-Free, Halogen Free, and RoHS compliant.
Applications
The MC100EL57DR2G is suitable for various high-speed digital applications, including:
- Telecommunication systems requiring high-speed data multiplexing.
- High-performance computing and data processing systems.
- Networking equipment that demands low latency and high reliability.
- Test and measurement instruments where precise signal handling is crucial.
Q & A
- What is the primary function of the MC100EL57DR2G?
The MC100EL57DR2G is a 4:1 differential multiplexer that can also be used as a 2:1 multiplexer by configuring the select lines.
- What are the operating voltage ranges for PECL and NECL modes?
For PECL mode, VCC = 4.2 V to 5.7 V with VEE = 0 V. For NECL mode, VCC = 0 V with VEE = −4.2 V to −5.7 V.
- What is the purpose of the VBB output?
The VBB output is used for single-ended operation or to rebias AC coupled inputs.
- What is the significance of internal input pulldown resistors?
The internal input pulldown resistors ensure that the inputs default to a LOW state when left open.
- What are the thermal resistance values for this device?
The thermal resistance (Junction-to-Ambient) is 130 °C/W at 0 lfpm, and the thermal resistance (Junction-to-Case) is 33 to 36 °C/W on a standard board.
- What is the operating temperature range for the MC100EL57DR2G?
The operating temperature range is −40°C to +85°C.
- Is the MC100EL57DR2G RoHS compliant?
- What is the maximum output current for this device?
The maximum continuous output current is 50 mA, and the maximum surge output current is 100 mA.
- How should the VBB pin be handled when not in use?
The VBB pin should be left open when not in use.
- What are some typical applications for the MC100EL57DR2G?
Typical applications include telecommunication systems, high-performance computing, networking equipment, and test and measurement instruments.
