Overview
The AD8612ARU is a high-performance, ultrafast dual comparator integrated circuit manufactured by Analog Devices Inc. This component is designed for applications requiring fast and accurate signal comparison. The AD8612ARU features a propagation delay of 4 ns, making it suitable for timing circuits, line receivers, and other high-speed applications. It operates on a single supply voltage ranging from 3 V to 5 V and is available in a 14-lead TSSOP package.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD8612ARU |
| Package | 14-TSSOP (0.173", 4.40mm Width) |
| Number of Elements | 2 (Dual Comparator) |
| Output Type | Complementary, TTL |
| Voltage - Supply, Single/Dual (±) | 3 V ~ 5 V |
| Voltage - Input Offset (Max) | 7 mV @ 5 V |
| Current - Input Bias (Max) | 6 µA @ 5 V |
| Current - Quiescent (Max) | 10 mA, 4 mA |
| CMRR, PSRR (Typ) | 85 dB CMRR, 73 dB PSRR |
| Propagation Delay (Max) | 5.5 ns |
| Operating Temperature Range | −40°C to +85°C |
Key Features
- Ultrafast propagation delay of 4 ns, making it ideal for high-speed applications such as timing circuits and line receivers.
- Dual comparator with latch function and complementary output.
- Single supply operation from 3 V to 5 V.
- Wide common-mode input range, extending from within 2.0 V of the positive supply voltage to 200 mV below the negative supply voltage.
- TTL and CMOS compatible latch input.
- Low input bias current and low quiescent current.
- High common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR).
Applications
- Timing circuits: The fast propagation delay makes the AD8612ARU suitable for applications requiring precise timing.
- Line receivers: Ideal for high-speed data transmission and reception.
- Clock recovery: The matched delay for rising and falling signals ensures that the duty cycle of the output matches the duty cycle of the input.
- Analog-to-digital converter (ADC) upgrades: Can be used as an upgrade for LT1394 and LT1016 designs.
- General-purpose high-speed signal comparison: Suitable for any application requiring fast and accurate signal comparison.
Q & A
- What is the propagation delay of the AD8612ARU?
The propagation delay of the AD8612ARU is 4 ns.
- What is the operating voltage range of the AD8612ARU?
The AD8612ARU operates on a single supply voltage ranging from 3 V to 5 V.
- What is the package type of the AD8612ARU?
The AD8612ARU is available in a 14-lead TSSOP package.
- What is the common-mode input range of the AD8612ARU?
The common-mode input range extends from within 2.0 V of the positive supply voltage to 200 mV below the negative supply voltage.
- Is the AD8612ARU compatible with TTL and CMOS logic?
- What are the typical applications of the AD8612ARU?
The AD8612ARU is typically used in timing circuits, line receivers, clock recovery, and as an upgrade for LT1394 and LT1016 designs.
- What is the maximum input bias current of the AD8612ARU?
The maximum input bias current of the AD8612ARU is 6 µA at 5 V.
- What is the quiescent current of the AD8612ARU?
The quiescent current of the AD8612ARU is typically 10 mA or 4 mA.
- What are the CMRR and PSRR values of the AD8612ARU?
The CMRR is typically 85 dB, and the PSRR is typically 73 dB.
- What is the operating temperature range of the AD8612ARU?
The operating temperature range of the AD8612ARU is −40°C to +85°C.
