Overview
The NE521DG, produced by onsemi, is a high-speed dual-differential comparator/sense amplifier designed for various high-speed applications. This component operates from standard supply voltages and is available in Pb-free packages, making it suitable for modern electronic designs. The NE521DG features TTL-compatible strobes and outputs, a large common-mode input voltage range, and high-speed switching capabilities, making it versatile for multiple uses.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Operating Temperature Range | TA | 0 to 70 | °C |
| Storage Temperature Range | Tstg | -65 to +150 | °C |
| Operating Junction Temperature | TJ | 150 | °C |
| Supply Voltage (Positive) | V+ | +4.75 to +5.25 | V |
| Supply Voltage (Negative) | V- | -4.75 to -5.25 | V |
| Differential Input Voltage | VIDR | ±6.0 | V |
| Input Offset Voltage | VOS | -10 to 7.5 | mV |
| Input Bias Current | IBIAS | -20 to 40 | μA |
| Common-Mode Voltage Range | VCM | -3.0 to +3.0 | V |
| Propagation Delay (Low to High) | tPLH(D) | 9.6 to 12 | ns |
| Propagation Delay (High to Low) | tPHL(D) | 8.2 to 10 | ns |
| Maximum Power Dissipation (TA = 25°C) | PD | 1040 (D Package), 1420 (N Package) | mW |
| Thermal Resistance, Junction-to-Ambient | RJA | 100 (N Package), 145 (D Package) | °C/W |
Key Features
- TTL-compatible strobes and outputs
- Large common-mode input voltage range
- Operates from standard supply voltages (+4.75 V to +5.25 V and -4.75 V to -5.25 V)
- Pb-free packages available
- High-speed switching capabilities with propagation delays as low as 9.6 ns
Applications
- MOS Memory Sense Amp
- A-to-D Conversion
- High-Speed Line Receiver
Q & A
- What is the operating temperature range of the NE521DG?
The operating temperature range is 0 to 70°C.
- What are the standard supply voltages for the NE521DG?
The component operates from +4.75 V to +5.25 V and -4.75 V to -5.25 V.
- What is the maximum power dissipation for the NE521DG at 25°C?
The maximum power dissipation is 1040 mW for the D package and 1420 mW for the N package.
- What is the thermal resistance, junction-to-ambient, for the NE521DG?
The thermal resistance is 100 °C/W for the N package and 145 °C/W for the D package.
- What are the typical propagation delays for the NE521DG?
The propagation delays are typically 9.6 ns for low to high and 8.2 ns for high to low.
- Is the NE521DG available in Pb-free packages?
- What are some common applications of the NE521DG?
Common applications include MOS Memory Sense Amp, A-to-D Conversion, and High-Speed Line Receiver.
- What is the input offset voltage range for the NE521DG?
The input offset voltage range is -10 to 7.5 mV.
- What is the common-mode voltage range for the NE521DG?
The common-mode voltage range is -3.0 to +3.0 V.
- What is the maximum differential input voltage for the NE521DG?
The maximum differential input voltage is ±6.0 V.
