MAX3945ETE+ Maxim Integrated Products, MAX3945ETE+ Datasheet
MAX3945ETE+
Specifications of MAX3945ETE+
Related parts for MAX3945ETE+
MAX3945ETE+ Summary of contents
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... Optical Transceiver 10GBASE-SR/LR SFP+ Optical Transceiver 10G PON ONU Ordering Information PART TEMP RANGE MAX3945ETE+ -40NC to +85NC +Denotes a lead(Pb)-free/RoHS-compliant package. *EP = Exposed pad. Typical Application Circuit appears at end of data sheet. _______________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’ ...
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SFP+ Dual-Path Limiting Amplifier ABSOLUTE MAXIMUM RATINGS V .......................................................................-0.3V to +4.0V CC Voltage Range at SDA, SCL, CSEL, LOS, CAZ, RPMIN ................................. -0. Voltage Range at ROUT+, ROUT- ........(V Voltage Range at RIN+, RIN- ........ ...
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SFP+ Dual-Path Limiting Amplifier ELECTRICAL CHARACTERISTICS (continued 2.85V to 3.63V, CML receiver output is AC-coupled to differential 100I load are set to default values, unless otherwise noted. Typical values are at V PARAMETER SYMBOL External RPMIN ...
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SFP+ Dual-Path Limiting Amplifier ELECTRICAL CHARACTERISTICS (continued 2.85V to 3.63V, CML receiver output is AC-coupled to differential 100I load are set to default values, unless otherwise noted. Typical values are at V PARAMETER ...
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SFP+ Dual-Path Limiting Amplifier ELECTRICAL CHARACTERISTICS (continued 2.85V to 3.63V, CML receiver output is AC-coupled to differential 100I load are set to default values, unless otherwise noted. Typical values are at V PARAMETER SYMBOL OUTPUT LEVEL ...
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SFP+ Dual-Path Limiting Amplifier ELECTRICAL CHARACTERISTICS (continued 2.85V to 3.63V, CML receiver output is AC-coupled to differential 100I load are set to default values, unless otherwise noted. Typical values are at V PARAMETER ...
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T = +25NC, unless otherwise noted. Registers are set to default values, unless otherwise noted, and the 3-wire interface static during measurements.) RECEIVE OUTPUT FROM OPTICAL SYSTEM, 10.32Gbps, OPTICAL INPUT -10dBm, RXDE1 = 1, ...
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SFP+ Dual-Path Limiting Amplifier (V = 3.3V +25NC, unless otherwise noted. Registers are set to default values, unless otherwise noted, and the 3-wire interface static during measurements.) DIFFERENTIAL OUTPUT SIGNAL LEVEL vs. ...
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SFP+ Dual-Path Limiting Amplifier (V = 3.3V +25NC, unless otherwise noted. Registers are set to default values, unless otherwise noted, and the 3-wire interface static during measurements.) INPUT RETURN GAIN (SDD11) (INPUT POWER OF 0dBm, ...
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SFP+ Dual-Path Limiting Amplifier PIN NAME Offset-Correction Loop Capacitor. A capacitor connected between this pin and the adjacent V 1 CAZ the time constant of the offset-correction loop. The offset correction can be disabled through the digital ...
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SFP+ Dual-Path Limiting Amplifier Detailed Description The MAX3945 is designed to operate from 1.0625Gbps to 11.3Gbps. It consists of a dual-path limiter, offset- correction circuitry, CML output stage, and LOS circuitry. The characteristics of the MAX3945 can be controlled through ...
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SFP+ Dual-Path Limiting Amplifier V CCR RIN+ 50 Ω CCR 50 Ω RIN- V EER LOS 376 Ω CLAMP V EET V CCR 2kΩ RPMIN Figure 1. Simplified Input/Output Structures 12 _____________________________________________________________________________________ V CCR ...
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SFP+ Dual-Path Limiting Amplifier V MAX3945 CCR RIN+ RIN- RPMIN V CCR R PULL SDA SCL CSEL R R PULL PULL Figure 2. Functional Diagram CML Output Deemphasis The CML output stage is ...
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SFP+ Dual-Path Limiting Amplifier Table 5. Output Signal Deemphasis Control RXCTRL2[1] RXCTRL1[7:6] RXDE_EN RXDE1 Table 6. CML Output Amplitude Range (Typical) RXCTRL1[1] RXCTRL2[1] RATE_SEL RXDE_EN 0 X ...
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SFP+ Dual-Path Limiting Amplifier Table 8. LOS Control LOS2_EN LOS1_EN 50mV/div 2mV/div 400µs/div Figure 3. LOS Response to a Short Burst of Input Signal 50mV/div 2mV/div 400µs/div Figure 4. LOS Response to a Short ...
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SFP+ Dual-Path Limiting Amplifier Table 9. Digital Communication Word Structure Register Address Table 10. Register Descriptions and Addresses ADDRESS H0x00 H0x01 H0x02 H0x03 H0x04 H0x0E MODECTRL H0x12 SET_LOSTIMER 3-Wire Digital Communication The ...
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SFP+ Dual-Path Limiting Amplifier WRITE MODE CSEL SCL SDA READ MODE CSEL SCL SDA A6 ...
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SFP+ Dual-Path Limiting Amplifier Bit # 7 6 Name LOS2_EN LOS1_EN Default Value 0 1 Bit 7: LOS2_EN. Enables or disables the RSSI monitor-based LOS circuitry, in combination with the LOS1_EN bit. The below table shows when ...
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SFP+ Dual-Path Limiting Amplifier Bit # 7 6 Name X X Default Value X X Bit 1: POR_2d. When the V supply voltage is below 2.3V, the POR circuitry sets POR_2d high. When the supply CC voltage is above 2.75V, ...
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SFP+ Dual-Path Limiting Amplifier Bit # 7 6 MODECTRL[7] Name MODECTRL[6] (MSB) Default 0 0 Value Bits MODECTRL[7:0]. The MODECTRL register enables a switch between normal and setup modes. The setup mode is achieved ...
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SFP+ Dual-Path Limiting Amplifier Table 12. Register Map (continued) REGISTER REGISTER NORMAL FUNCTION/ NAME MODE ADDRESS Receiver Control Register 2 RXCTRL2 Address = H0x01 Receiver Status Register RXSTAT Address = H0x02 ______________________________________________________________________________________ 1.0625Gbps to 11.3Gbps, SETUP BIT NUMBER/ MODE TYPE ...
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SFP+ Dual-Path Limiting Amplifier Table 12. Register Map (continued) REGISTER REGISTER NORMAL FUNCTION/ NAME MODE ADDRESS CML Output Level Setting SET_CML Register Address = H0x03 LOS Threshold Assert Level Setting SET_LOS Register Address = H0x04 General Control ...
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SFP+ Dual-Path Limiting Amplifier Design Procedure Programming CML Output Levels See Tables 13 and 14. For each value of the bits RXDE1 and RXDE0 in Table 13, the value of deempha- sis does vary with the SET_CML[7:0] setting. In Table ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 24 2010 Maxim Integrated Products © ...