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MAX3676 Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX3676 Datasheet(HTML) 6 Page - Maxim Integrated Products |
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6 / 16 page 
622Mbps, 3.3V Clock-Recovery and Data-Retiming IC with Limiting Amplifier 6 _______________________________________________________________________________________ Pin Description 32 CFILT RSSI Filter Capacitor Input 30 ADI+ Positive Analog Data Input, 622.08Mbps serial-data stream 29 ADI- Negative Analog Data Input, 622.08Mbps serial-data stream 28 INSEL Input Select. Connect to GND to select digital data inputs or VCC for analog data inputs. 27 DDI- Negative Digital Data Input, PECL, 622.08Mbps serial-data stream 26 DDI+ Positive Digital Data Input, PECL, 622.08Mbps serial-data stream 23 FIL+ Positive Filter Input. PLL loop filter connection. 22 FIL- Negative Filter Input. PLL loop filter connection. 20 PHADJ+ Positive Phase-Adjust Input. Used to optimally align internal PLL phase. Attach to VCC if not used. 19 PHADJ- Negative Phase-Adjust Input. Used to optimally align internal PLL phase. Attach to VCC if not used. NAME FUNCTION 1 OLC+ Positive Offset-Correction Loop Capacitor Input 2 OLC- Negative Offset-Correction Loop Capacitor Input PIN 3 RSSI Received-Signal-Strength Indicator Output 4, 8, 16, 24, 25 GND Supply Ground 9, 12, 15, 18, 21, 31 VCC Positive Supply Voltage 7 LOP Loss-of-Power Output, TTL. Limiting amplifier loss-of-power monitor. Asserts high when input signal is below threshold set by VTH. 6 VTH Voltage Threshold Input. Threshold voltage for loss-of-power monitor. Attach to VCC if LOP function is not used. 5 INV Op Amp Inverting Input. Attach to ground if op amp is not used. 17 LOL Loss-of-Lock Output, TTL. PLL loss-of-lock monitor, active low (see Design Procedure). 14 SDO+ Positive Serial-Data Output, PECL, 622.08Mbps 13 SDO- Negative Serial-Data Output, PECL, 622.08Mbps 11 SCLKO+ Positive Serial-Clock Output, PECL, 622.08MHz. SDO+ is clocked out on the rising edge of SCLKO+. 10 SCLKO- Negative Serial-Clock Output, PECL, 622.08MHz. SDO- is clocked out on the falling edge of SCLKO-. |
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