Overview
The AD8612ARUZ is a high-speed, dual-channel analog comparator produced by Analog Devices Inc. This component is part of the AD8611/AD8612 series, known for their ultrafast 4 ns propagation delay and latch function with complementary output. The AD8612 is particularly suited for applications requiring precise timing and signal processing, such as timing circuits, line receivers, and clock recovery systems. It operates over the industrial temperature range of -40°C to +85°C and is available in a 14-lead TSSOP surface-mount package.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 3 | 5 | V | |
| Propagation Delay Time | 4 | 5.5 | ns | |
| Input Offset Voltage (Vos) | 7 | mV | ||
| Input Bias Current (Ib) | -6 | -4.0 | -7 | μA |
| Common-Mode Rejection Ratio (CMRR) | 85 | dB | ||
| Power Supply Rejection Ratio (PSRR) | 55 | dB | ||
| Operating Supply Current | 10 | mA | ||
| Output Current per Channel | 10 | mA | ||
| Minimum Operating Temperature | -40 | °C | ||
| Maximum Operating Temperature | +85 | °C |
Key Features
- Ultrafast 4 ns propagation delay, making it suitable for high-speed applications such as timing circuits and line receivers.
- Latch function with complementary output, which is not functional if VCC is less than 4.3 V.
- Closely matched and tracked propagation delays for rising and falling signals over temperature, ideal for clock recovery.
- Wide common-mode input range that includes the negative supply rail.
- Low supply current and high common-mode rejection ratio (CMRR) of 85 dB.
- Available in a 14-lead TSSOP surface-mount package.
- Operates over the industrial temperature range of -40°C to +85°C.
Applications
- Timing circuits: The AD8612's fast propagation delay and matched rising and falling edges make it ideal for timing-critical applications.
- Line receivers: Its high speed and low jitter make it suitable for receiving and processing high-speed signals.
- Clock recovery: The matched propagation delays ensure that the duty cycle of the output matches the duty cycle of the input, making it suitable for clock recovery systems.
- General-purpose comparator applications: Its general-purpose design with latch function makes it versatile for various comparator needs.
Q & A
- What is the propagation delay of the AD8612?
The AD8612 has a propagation delay of 4 ns to 5.5 ns.
- What is the supply voltage range for the AD8612?
The supply voltage range for the AD8612 is from 3 V to 5 V.
- What is the common-mode rejection ratio (CMRR) of the AD8612?
The CMRR of the AD8612 is 85 dB.
- What are the operating temperature ranges for the AD8612?
The AD8612 operates over the industrial temperature range of -40°C to +85°C.
- What package types are available for the AD8612?
The AD8612 is available in a 14-lead TSSOP surface-mount package.
- Does the AD8612 have a latch function?
Yes, the AD8612 has a latch function with complementary output, but it is not functional if VCC is less than 4.3 V.
- What is the input offset voltage (Vos) of the AD8612?
The input offset voltage (Vos) of the AD8612 is up to 7 mV.
- What is the input bias current (Ib) of the AD8612?
The input bias current (Ib) of the AD8612 is typically around -4.0 μA.
- Is the AD8612 suitable for clock recovery applications?
Yes, the AD8612 is suitable for clock recovery due to its matched propagation delays for rising and falling signals.
- What is the power supply rejection ratio (PSRR) of the AD8612?
The PSRR of the AD8612 is 55 dB.
