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| IT3010 10 GHz Medium-Gain Differential Amplifier Description The IT3010 is a packaged differential amplifier designed for use in 10.7 Gb/s and 12.5 Gb/s (OC-192) optical transmitters and receivers as a gain stage with limiting functionality. It allows single-ended input signals from 350 mVpp up to 900 mVpp, or differential signals from 250 mVpp to 1800 mVpp to be limited at a constant differential output voltage of 3.8 Vpp. The IT3010 can be used as predriver for OC-192 optical modulator driver amplifiers. Output voltage control and external offset correction are provided. The amplifier also provides excellent linear performance when operating at lower output voltage. Both AC and DC input coupling are allowed. DC-coupled SCFL differential input (input HIGH voltage = 0 V, and input LOW voltage = -900 mV) are allowed. Limiting function with 3.8 Vpp differential output 3 dB Bandwidth: 10 GHz Differential gain: 23.5 dB Standard bias supply: -5 V or -5.2V, +5 V Power consumption: 855 mW <1% total harmonic distortions @ Pout=0 dBm Low group delay Low jitter Output voltage control AC and DC input coupling (SCFL compatible) AC and DC output coupling Low-cost package, JEDEC QFP-N (MO-220) Sym bol Vee Vcc Vd Vm IDC IN www..com Features Absolute Maximum Ratings Param eters/conditions Pow er supply voltage Pow er supply voltage Applied voltage at data input (differential) Applied voltage at data input (single ended) Min. -8 0 Max. 0 8 3 1.5 5 150 Units V V V V mA C C (+),(-) Offset control current Maximum channel temperature Storage temperature -65 Tch Tstg 150 Recommended Operating Conditions Symbol Tc Vee Vcc Vcb2 Iee Icc V DC Vm Vd Vindc R IN Parameters/conditions Operating temperature range (Tcase) Negative pow er supply voltage Positive pow er supply voltage First internal bias control voltage Negative supply current Positive supply current Offset control voltage Voltage control pin Applied peak-peak voltage at data input (single ended) Applied peak-peak voltage at data input (differential) DC input voltage (w ith DC-coupled input) Data bit rate Min. 0 -5.45 4.75 86 60 -5 -2.7 350 250 -0.5 Typ. -5 5 0 101 70 Max. 85 -4.75 5.25 116 81 5 0 900 1800 0 12.5 Units o C V V V mA mA V V mV mV V Gb/s Vctrl www.iterrac.com This is a Production data sheet. See "Product Status Definitions" on Web site or catalog for product development status. August 17, 2005 Doc. 1178 Rev 9 1 iTerra Communications 2400 Geng Road, Ste. 100, Palo Alto, CA 94303 Phone (650) 424-1937, Fax (650) 424-1938 IT3010 10 GHz Medium-Gain Differential Amplifier Electrical Characteristics At ambient temperature Vee=-5V, Vcc=+5V Symbol Parameters/Conditions P Z DCIn G B3dB RLin RLout Pow er consumption Input impedance at DCIn, /DCIn Differential small signal gain 3 dB bandw idth Input return loss (up to 10 GHz) Output return loss (up to 10 GHz) Output peak-peak voltage (differential) (Vctrl =-2.7V for max. output voltage) Vout sensitiviy vs Bias (Vee=-5 V +/-5%, Vcc=5 V +/-5%) DC output voltage (DC coupled to 50 ohm load) Output rise time (single ended) Output fall time (single ended) RMS jitter degradation (*) 100 200 28 20 1 Min. 730 900 22.5 9 15 8 3.5 Typ. 855 1000 23.5 10 20 10 3.8 Max. 985 1100 Units mW Ohm dB GHz dB dB V www..com Vout Vout Voutdc Trse Tfse JRMS +/-11 300 30 25 1.5 % mV ps ps ps (*) JRMS=sqrt((JRMS_dut)2-(JMRS_thru)2) S-Parameter Data (Measured on connectorized Ev. Board) IT3010 Single Ended Linear Gain 22 20 18 16 14 12 10 8 6 4 2 0 0 2 4 6 8 Freq. (GHz) IT3010 Input Return Loss 0 -5 -10 -15 S11(dB) Vee=-5V, Vcc=+5V Gain (dB) -20 -25 -30 -35 -40 -45 -50 0 2 4 6 8 Freq. (GHz) 10 12 14 16 10 12 14 16 IT3010 Output Return Loss 0 -2 -4 -6 IT3010 Isolation 0 -10 -20 -30 S12 (dB) -40 -50 -60 -70 -80 -90 -100 S22 (dB) -8 -10 -12 -14 -16 -18 -20 0 2 4 6 8 10 12 14 16 0 2 4 6 Freq. (GHz) 8 10 Freq. (GHz) 12 14 16 www.iterrac.com This is a Production data sheet. See "Product Status Definitions" on Web site or catalog for product development status. August 17, 2005 Doc. 1178 Rev 9 2 iTerra Communications 2400 Geng Road, Ste. 100, Palo Alto, CA 94303 Phone (650) 424-1937, Fax (650) 424-1938 IT3010 10 GHz Medium-Gain Differential Amplifier Eye Diagram Performance Vee=-5 V, Vcc=+5 V www..com Linear performance Bit rate: 10.7 Gb/s Vin=+/-50 mVpp, Vout=+/-750 mVpp Linear performance Bit rate: 12.5 Gb/s Vin=+/-50 mVpp, Vout=+/-750 mVpp Saturated performance Bit rate: 10.7 Gb/s Vin=+/-450 mVpp, Vout=+/-1.9 Vpp Saturated performance Bit Rate: 12.5 Gb/s Vin=+/-450 mVpp, Vout=+/-1.9 Vpp Voltage Control Bit rate: 10.7 Gb/s Vtrl=-1.5 V, Vout=1.7 Vpp www.iterrac.com This is a Production data sheet. See "Product Status Definitions" on Web site or catalog for product development status. August 17, 2005 Doc. 1178 Rev 9 3 Bit rate: 10.7 Gb/s Vtrl=-1.1V, Vout=1.0 Vpp iTerra Communications 2400 Geng Road, Ste. 100, Palo Alto, CA 94303 Phone (650) 424-1937, Fax (650) 424-1938 IT3010 10 GHz Medium-Gain Differential Amplifier Performance As Function of Input Voltage Vout (+/-Vpp) Vout vs Vin 3 2.8 2.6 2.4 2.2 2 1.8 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 Eye Crossing vs Vin 70 68 65 63 60 58 55 53 50 48 45 43 40 38 35 33 30 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 www..com Vin (+/-Vpp) Eye Crossing (%) Vin (+/-Vpp) Jitter RMS vs Vin @ 10.7 Gb/s 3E-12 2.7E-12 2.4E-12 2.1E-12 1.8E-12 1.5E-12 1.2E-12 9E-13 6E-13 3E-13 0 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 3E-12 2.7E-12 2.4E-12 Jitter RMS vs Vin @ 12.5 Gb/s Jitter RMS (ps) Jitter RMS (ps) 2.1E-12 1.8E-12 1.5E-12 1.2E-12 9E-13 6E-13 3E-13 0 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 Vin (+/-Vpp) Vin (+/-Vpp) Rise/Fall Time (20%-80%) vs Vin @ 12.5 Gb/s 4E-11 3.6E-11 3.2E-11 Rise/Fall Time (20%-80%) vs Vin @ 10.7Gb/s 4.0E-11 3.6E-11 3.2E-11 2.8E-11 Time (s) 2.8E-11 2.4E-11 2E-11 1.6E-11 1.2E-11 8E-12 4E-12 0 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 Vee=-5V, Rise Time Vee=-5V, Fall Time Time (s) 2.4E-11 2.0E-11 1.6E-11 1.2E-11 8.0E-12 4.0E-12 0.0E+00 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 Vee=-5V, Rise Time Vee=-5V, Fall Time Vin (+/-Vpp) Vin (+/-Vpp) www.iterrac.com This is a Production data sheet. See "Product Status Definitions" on Web site or catalog for product development status. August 17, 2005 Doc. 1178 Rev 9 4 iTerra Communications 2400 Geng Road, Ste. 100, Palo Alto, CA 94303 Phone (650) 424-1937, Fax (650) 424-1938 IT3010 10 GHz Medium-Gain Differential Amplifier Power Performance And Harmonic Distortion Pout (dBm) Pout vs Frequency 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0 -6 -12 -18 Total Harmonics Distortion vs Frequency dBc P1dB P3dB 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 -24 -30 -36 -42 -48 -54 -60 0 1 2 3 4 5 6 7 8 www..com Freq. (GHz) Freq. (GHz) Vee=-5 V, Vcc=+5 V, Iee=105 mA, Icc=65 mA At Pout=0 dBm. Vee=-5 V, Vcc=+5 V, Iee=105 mA, Icc=65 mA Device System Diagram DCIn Din /Din 1k 1k Vctrl 50 Vcb2 Q /Q 50 /DCIn Vee Recommended Operational Setup DCIn Din Vcc Vctrl 1F Vcb2 Bias Conditions For Vee = -5V * Apply +5.0 V at Vcc * Apply -5 V at Vee * Vcb2 =0 V * Vctrl = -2.7 V or open for maximum output voltage * Vctrl from -2.7V to -1V for output voltage control For Vee = -5.2 V bias application * Apply +5 V at Vcc * Apply -5.2 V at Vee * Vcb2 = 0 V * Vctrl =-1.8 V for maximum output voltage * Vctrl from -1.8V to -1V for output voltage control Q IT3010 Output /Q Vee Vcc Input /Din /DCIn -5.0 V 1F 560pF 560pF 1F +5 V www.iterrac.com This is a Production data sheet. See "Product Status Definitions" on Web site or catalog for product development status. August 17, 2005 Doc. 1178 Rev 9 5 iTerra Communications 2400 Geng Road, Ste. 100, Palo Alto, CA 94303 Phone (650) 424-1937, Fax (650) 424-1938 IT3010 10 GHz Medium-Gain Differential Amplifier Package Drawing, Pinouts www..com Pin Outs: P1: GND P2: Din (RF Input) P3: /Din (/RF Input) P4: GND P5: /DCin P6: Vee P7: N/C P8: N/C P9: GND P10: /Q (/RF Out ) P11: Q (RF Out) P12: GND P13: Vcb2 P14: Vctrl (voltage control) P15: Vcc P16:DCin www.iterrac.com This is a Production data sheet. See "Product Status Definitions" on Web site or catalog for product development status. August 17, 2005 Doc. 1178 Rev 9 6 iTerra Communications 2400 Geng Road, Ste. 100, Palo Alto, CA 94303 Phone (650) 424-1937, Fax (650) 424-1938 |
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