Overview
The MC100EL1648DTR2G, produced by onsemi, is a 5 V ECL (Emitter-Coupled Logic) Voltage Controlled Oscillator (VCO) amplifier. This device is designed to operate within an extended frequency range and is ideal for applications requiring a local oscillator or a fixed frequency clock. It utilizes advanced bipolar process technology and features an on-chip termination emitter resistor, facilitating direct ac-coupling of the output signal into a transmission line. The MC100EL1648DTR2G is suitable for various high-speed telecommunications and electronic test equipment applications.
Key Specifications
| Parameter | Condition | Value | Unit |
|---|---|---|---|
| Typical Operating Frequency | - | Up to 1100 MHz | - |
| Power Supply Current (IEE) | VCC = 5.0 V, VEE = 0.0 V | 13 - 19 - 25 | mA |
| Input Voltage Range (VI) | PECL Mode | 0 to 6 V | V |
| Input Voltage Range (VI) | NECL Mode | -6 to 0 V | V |
| Output HIGH Voltage (VOH) | VCC = 5.0 V, VEE = 0.0 V | 3950 - 4170 - 4610 | mV |
| Output LOW Voltage (VOL) | VCC = 5.0 V, VEE = 0.0 V | 3040 - 3410 - 3600 | mV |
| Operating Temperature Range (TA) | - | -40 to +85 | °C |
| Storage Temperature Range (Tstg) | - | -65 to +150 | °C |
| Thermal Resistance (Junction-to-Ambient) (JA) | TSSOP-8, 0 lfpm | 185 | °C/W |
| Thermal Resistance (Junction-to-Case) (JC) | TSSOP-8, Standard Board | 41 - 44 | °C/W |
Key Features
- Advanced bipolar process technology for extended frequency range operation.
- On-chip termination emitter resistor (510 Ω nominal) for direct ac-coupling of the output signal.
- No external pull-down resistor required for output dc current path.
- Low power consumption: 19 mA at 5.0 Vdc.
- PECL and NECL mode operating ranges: VCC = 4.2 V to 5.5 V with VEE = 0 V, and VCC = 0 V with VEE = -4.2 V to -5.5 V.
- Input capacitance: 6.0 pF (typical).
- Pb-free devices.
Applications
The MC100EL1648DTR2G is ideal for various applications, including:
- Local oscillators in high-speed telecommunications systems.
- Electronic test equipment requiring precise frequency generation.
- Digital high-speed telecommunications systems.
- Systems needing a fixed frequency clock.
Q & A
- What is the typical operating frequency range of the MC100EL1648DTR2G?
The MC100EL1648DTR2G can operate up to 1100 MHz. - What is the power supply current of the MC100EL1648DTR2G?
The power supply current (IEE) is typically 19 mA at 5.0 Vdc. - What are the operating voltage ranges for PECL and NECL modes?
For PECL mode, VCC = 4.2 V to 5.5 V with VEE = 0 V. For NECL mode, VCC = 0 V with VEE = -4.2 V to -5.5 V. - What is the input capacitance of the MC100EL1648DTR2G?
The input capacitance is 6.0 pF (typical). - Can the MC100EL1648DTR2G be used as a crystal oscillator?
No, the MC100EL1648DTR2G is not usable as a crystal oscillator. - How does the MC100EL1648DTR2G handle output termination?
The device has an on-chip termination emitter resistor, eliminating the need for an external pull-down resistor. - What are the thermal resistance values for the TSSOP-8 package?
The thermal resistance (Junction-to-Ambient) is 185 °C/W at 0 lfpm, and the thermal resistance (Junction-to-Case) is 41 - 44 °C/W on a standard board. - What are the storage and operating temperature ranges for the MC100EL1648DTR2G?
The operating temperature range is -40 to +85 °C, and the storage temperature range is -65 to +150 °C. - How can the output waveform be conditioned to produce a sine or square wave?
The output waveform can be conditioned by adjusting the AGC pin and using series resistors to set the desired voltage levels for sine or square wave outputs. - What types of applications are the MC100EL1648DTR2G suitable for?
The device is suitable for local oscillators, electronic test equipment, digital high-speed telecommunications, and systems requiring a fixed frequency clock.
