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| IT3010E 10 GHz Medium-Gain Differential Amplifier Description The IT3010E is a RoHS-6-compliant 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 IT3010E 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 distortion at Pout = 0 dBm Low group delay Low jitter Output voltage control AC and DC input coupling (SCFL compatible) AC and DC output coupling RoHS-6-compliant 4x4 mm QFN (MO-220) package Sym bol Vee Vcc Vd Vm IDCin (+),(-) Tch Tstg Param eters/conditions Pow er supply voltage Pow er supply voltage Applied voltage at data input (differential) Applied voltage at data input (single ended) Offset control current Maximum channel temperature Storage temperature -65 Min. -8 0 Max. 0 8 3 1.5 5 150 150 Units V V V V mA C C www..com Features Absolute Maximum Ratings Recommended Operating Conditions Symbol Tc Vee Vcc Vcb2 Iee Icc V DCin Vctrl Vm Vd Vindc R 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 For pricing, delivery, and ordering information, please contact GigOptix at (650) 424-1937, e-mail: sales@gigoptix.com, or visit our site at www.GigOptix.com. 1 IT3010E 10 GHz Medium-Gain Differential Amplifier Electrical Characteristics At ambient temperature Vee =- 5 V Vcc = +5 V Symbol Parameters/Conditions P Z DCin G B3dB RLin RLout Vout Vout Voutdc Trse Tfse JRMS 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 at maximum output voltage) Output fall time (single ended at maximum output voltage) RMS jitter degradation (*) 100 200 28 22 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 +/-11 300 35 28 1.7 % mV ps ps ps www..com (*) JRMS=sqrt((JRMS_dut)2-(JMRS_thru)2) S-Parameter Data Measured on connectorized evaluation board Gain (dB) 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 = -5 V, Vcc = +5 V -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 For pricing, delivery, and ordering information, please contact GigOptix at (650) 424-1937, e-mail: sales@gigoptix.com, or visit our site at www.GigOptix.com. 2 IT3010E 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 Vctrl=-1.5 V, Vout=1.7 Vpp Bit rate: 10.7 Gb/s Vctrl=-1.1V, Vout=1.0 Vpp For pricing, delivery, and ordering information, please contact GigOptix at (650) 424-1937, e-mail: sales@gigoptix.com, or visit our site at www.GigOptix.com. 3 IT3010E 10 GHz Medium-Gain Differential Amplifier Vout vs Vin 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 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 Eye Crossing (%) Vout (+/-Vpp) Performance As Function of Input Voltage 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 Vin (+/-Vpp) Vin (+/-Vpp) Jitter Degradation RMS vs Vin @ 10.7 Gb/s Jitter Degradation RMS (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 Jitter Degradation RMS vs Vin @ 12.5 Gb/s 3E-12 Jitter Degradation RMS (s) 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 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) For pricing, delivery, and ordering information, please contact GigOptix at (650) 424-1937, e-mail: sales@gigoptix.com, or visit our site at www.GigOptix.com. 4 IT3010E 10 GHz Medium-Gain Differential Amplifier Pout vs Frequency Total Harmonics Distortion vs Frequency 0 -6 -12 -18 Pout (dBm) Power Performance And Harmonic Distortion 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 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 Diagram DCin Din /Din /DCin Vee 1k 1k Vctrl 50 Vcb2 Q /Q 50 Vcc Recommended Operational Setup DCin Din Vctrl 1 F 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 IT3010E Output /Q Vee Vcc Input /Din /DCin -5.0 V 1F 560 pF 560 pF 1 F +5 V For pricing, delivery, and ordering information, please contact GigOptix at (650) 424-1937, e-mail: sales@gigoptix.com, or visit our site at www.GigOptix.com. 5 IT3010E 10 GHz Medium-Gain Differential Amplifier "E" Package Drawings, Pinouts, Marking Notes: Dimensions in inches [mm] Tolerances are 0.0039 in. (0.100 mm) Package drawing encompasses JEDEC MO-220 Version VGGC-2. See iTerra Application Note 10 for recommended pad layout. RoHS parts are backward compatible if application note pad layout is followed. Lead frame material is copper alloy. Mold compound is UL94V0 compliant. Lead finish is NiPdAu. Marking Information iTerra MMMMEA XXNNNN LLYYWW Where, MMMM = part no. E = Package Type A =Temp. Range XX = Wafer Lot NNNN = Ser. No. LLYYWW =MFG D/C www..com Pinouts 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 For pricing, delivery, and ordering information, please contact GigOptix at (650) 424-1937, e-mail: sales@gigoptix.com, or visit our site at www.GigOptix.com. 6 |
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