AD807 Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices AD807 is a high-speed comparator with integrated PLL operating from a single 5 V supply in a small outline package. It delivers precise signal comparison and clock recovery for digital communications. Available from stock worldwide with fast shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- AD807 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of AD807?
- Integrated PLL enables clock recovery and frequency synthesis without external loop-filter components, reducing BOM count
- High-speed comparator with sub-nanosecond propagation delay suited for 50 MHz to 200 MHz signal conditioning
- Single 5 V supply operation with TTL/CMOS-compatible outputs simplifies mixed-signal board design
- Small outline package minimizes PCB footprint in space-constrained telecom and networking line cards
What is AD807 used for?
The AD807 is primarily used in digital communications equipment for clock recovery, retiming, and jitter reduction on high-speed data lines operating up to 200 MHz. Its comparator-plus-PLL architecture makes it a compact solution for SONET/SDH equipment, hard-disk drive read channels, and fiber-optic receiver front ends where clean clock edges are critical. Industrial instrumentation designs also leverage the AD807 for signal conditioning and frequency multiplication from noisy sensor inputs.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for AD807?
Compatible alternatives and drop-in replacements for AD807:
Op-Amp, 250Mhz, -40 To 85Deg C, Soic-8; No. Of Channels:1Channels; Gain Bandwidth Product:250Mhz; Supply Voltage Range:± 3V To ± 6V; Ic Case/Package:Soic; No. Of Pins:8Pins; Amplifier Type:Voltage Feedback; Rail To Rail:- Rohs Compliant: Yes
Frequently Asked Questions
What frequency range does the AD807 PLL support for clock recovery applications?
The AD807 PLL supports input frequencies from approximately 50 MHz to 200 MHz, covering common telecom and storage data rates. The on-chip VCO and loop filter eliminate the need for bulky external passive components, allowing the clock recovery circuit to fit within a 16-pin SOIC footprint on a compact line-card PCB.
What supply voltage does the AD807 require, and how does it interface with 3.3 V logic?
The AD807 operates from a single 5 V supply with a typical supply current of around 30 mA. Its output logic levels are TTL-compatible, so interfacing with a 3.3 V CMOS device requires a level-shifting buffer or a pull-down resistor on the output line to keep VOH below 3.6 V and prevent overvoltage on the downstream IC.
How does the AD807 compare to discrete comparator-plus-PLL implementations for a 155 Mbps SONET retimer?
A discrete approach requires a separate comparator, PLL chip, and external loop filter capacitors totaling 3 or more components, versus the AD807's single 16-pin SOIC that integrates all three functions. Board area shrinks by roughly 60%, and the factory-trimmed internal VCO center frequency reduces calibration time in production, making the AD807 more cost-effective for 155 Mbps OC-3 retiming designs.
Which packaging option does the AD807 use, and what are typical PCB land dimensions?
The AD807 ships in a 16-pin SOIC (Small Outline IC) package with a body width of 3.9 mm and pin pitch of 1.27 mm. The recommended land pattern uses 0.6 mm wide pads on a 1.27 mm pitch, matching IPC-7351 nominal courtyard guidelines for reliable reflow soldering in standard SMT assembly.
For a fiber-optic receiver needing jitter below 100 ps RMS, can the AD807 meet that requirement?
The AD807 is specified for output jitter in the range of tens of picoseconds RMS under clean input conditions, making it capable of meeting 100 ps RMS jitter budgets typical of OC-3 and OC-12 optical receivers. Proper power supply bypassing with 100 nF and 10 µF capacitors within 5 mm of the VCC pin is essential to achieve minimum jitter performance.
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Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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