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ADN2821

Features: ` Bandwidth: 8 GHz min` Input Noise Current Density: 12pAHz` Optical sensitivity: −19 dBm1` Differential Transimpedance /Linear Range:` ADN2821_2: 2.0 k/0.20 mA p-p` ADN2821_5: 5.0 k/0.08 mA p -p` ADN2821_10: 10.0 k/0.04 mA p-p` Power Dissipation: 150 mW` Differential Output Swing:...

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SeekIC No. : 004276190 Detail

ADN2821: Features: ` Bandwidth: 8 GHz min` Input Noise Current Density: 12pAHz` Optical sensitivity: −19 dBm1` Differential Transimpedance /Linear Range:` ADN2821_2: 2.0 k/0.20 mA p-p` ADN2821_5: 5.0 k...

ADN2821 Data Sheet

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Part Number:
ADN2821
Supply Ability:
5000

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  • 1~5000
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Product Details

Description



Features:

` Bandwidth: 8 GHz min
` Input Noise Current Density: 12pAHz
` Optical sensitivity: −19 dBm1
` Differential Transimpedance /Linear Range:
` ADN2821_2: 2.0 k/0.20 mA p-p
` ADN2821_5: 5.0 k/0.08 mA p -p
` ADN2821_10: 10.0 k/0.04 mA p-p
` Power Dissipation: 150 mW
` Differential Output Swing: 400 mV p-p min
` Input Overload: 3.25 dBm @ 10 dB ER
` Low-F cutoff:
` ADN2821_10: 25 kHz w/CLF = 0.5 nF
` On-Chip PD filter: RF = 200 , CF = 20 pF
` RSSI voltage and current ratio: 0.8V/mA
` Die Size: 0.65 mm * 1.20 mm




Application

· 10.7 Gbps Optical Modules
· SONET/SDH OC-192/STM-64 and 10 GbE
· Receivers, Transceivers, Transponders




Pinout

ADN2821 Diagram




Specifications

-3 dB Bandwidth (GHz) 9.5GHz
Transimpedance (kohm) 5kOhms
Voltage Supply (V) +3.3V
Power Dissipation (mW) 150mW
Current Noise (pA/rtHz) 12pA/rtHz
Die Size (mm x mm) 0.7 x 1.2
Overload Current (mA p-p) 3.25mA p-p
Total Jitter (pS p-p) 0
Output Return Loss (dB) -12dB





Description

The ADN2821 is a 10 Gbps high-performance SiGe Transimpedance Amplifier specifically designed for use in small form factor optical receivers. It  features low input referred noise

The ADN2821_2/5/10 are a series of compact, high performance SiGe 3.3V power supply Trans-impedance Amplifiers (TIAs) optimized for small form factor 10Gbps Metro-Access and Ethernet PD-TIA modules. It features low input referred noise current and a range of trans-impedance gains, suitable for driving a typical CDR or transceiver directly. 8GHz minimum BW enables up to 11.1Gbps operation; 1.1A input referred noise current enables −19dBm sensitivity; 3.25dBm input overload current at a 10dB extinction ratio. RSSI output signal proportional to average input current is available for monitoring and alarm generation. For assembly in small form factor packages, the ADN2821 series integrates a photodiode filter RFCF network on chip and features 25kHz low frequency cutoff with small 0.5nF externalcapacitor. It operates with a 3.3V ±0.3V powe supply and is available in die form.






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