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Product Detailed Parameters
- Description：IC COMPARATOR 1 W/LATCH 8MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Bulk
- Type：with Latch
- Number of Elements：1
- Output Type：Complementary, TTL
- Voltage - Supply, Single/Dual (±)：3V ~ 5V
- Voltage - Input Offset (Max)：7mV @ 5V
- Current - Input Bias (Max)：6µA @ 5V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：10mA, 4mA
- CMRR, PSRR (Typ)：85dB CMRR, 73dB PSRR
- Propagation Delay (Max)：5.5ns
- Hysteresis：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-MSOP
- Grade：-
- Qualification：-
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Overview
The AD8611ARM-REEL is a single-channel ultrafast comparator from Analog Devices, packaged in an 8-lead MSOP. It operates on a single supply voltage ranging from 3 V to 5 V and features a typical propagation delay of 4 ns at 5 V, with a maximum of 5.5 ns. The device includes a latch function that requires VCC greater than 4.3 V to operate. It offers complementary outputs, a 100 MHz input frequency capability, and an input common-mode range extending to the negative supply rail. The unit is rated for industrial temperatures between -40°C and +85°C.
Feature Summary
- Features a 4 ns propagation delay with closely matched rising and falling signal delays for accurate clock recovery.
- Includes a latch function to maintain constant output states when enabled by a logic high signal.
- Provides complementary digital outputs capable of driving standard logic loads.
- Supports single-supply operation with an input common-mode range including the negative rail.
Applications
- High speed timing circuits
- Clock recovery and distribution systems
- Line receivers
- Digital communications phase detectors
- High speed analog-to-digital converter interfaces
Procurement Notes
Verify the specific ordering suffix matches the required package style and reel quantity. Confirm the revision level aligns with design requirements. Ensure the operating environment stays within the specified industrial temperature limits. Check datasheet specifications for absolute maximum ratings to prevent damage during integration.
Selection Notes
Select this component for applications requiring fast response times and precise duty cycle preservation. The pinout is compatible with LT1016 and LT1394 designs but offers improved speed and lower power consumption. Consider the latch functionality if holding output states is necessary. Verify source impedance remains low to optimize high-speed performance.
Part Context
This part belongs to the AD8611/AD8612 family of ultrafast comparators. The AD8611 is the single-channel version, while the AD8612 provides dual channels in a TSSOP package. Both share identical electrical characteristics and are designed as upgrades for legacy LT1394 and LT1016 comparators.
Replacement Considerations
Pin-for-pin compatible with LT1016 and LT1394. Note differences in input bias current direction and common-mode voltage range compared to these legacy parts.
FAQ
Does the latch function work at all supply voltages?
No, the latch function is not functional if the supply voltage (VCC) is less than 4.3 V.
What is the input common-mode voltage range?
The range extends from 200 mV below the negative supply voltage to within 2 V of the positive supply voltage.
