SBASA41E February   2021  – May 2025 AFE7950

PRODUCTION DATA  

  1.   1
  2. 1Features
  3. 2Applications
  4. 3Description
  5. 4Specifications
    1. 4.1  Absolute Maximum Ratings
    2. 4.2  ESD Ratings
    3. 4.3  Recommended Operating Conditions
    4. 4.4  Thermal Information
    5. 4.5  Transmitter Electrical Characteristics
    6. 4.6  RF ADC Electrical Characteristics
    7. 4.7  PLL/VCO/Clock Electrical Characteristics
    8. 4.8  Digital Electrical Characteristics
    9. 4.9  Power Supply Electrical Characteristics
    10. 4.10 Timing Requirements
    11. 4.11 Switching Characteristics
    12. 4.12 Typical Characteristics
      1. 4.12.1  TX Typical Characteristics 800 MHz
      2. 4.12.2  TX Typical Characteristics at 1.8 GHz
      3. 4.12.3  TX Typical Characteristics at 2.6 GHz
      4. 4.12.4  TX Typical Characteristics at 3.5 GHz
      5. 4.12.5  TX Typical Characteristics at 4.9 GHz
      6. 4.12.6  TX Typical Characteristics at 8.1 GHz
      7. 4.12.7  TX Typical Characteristics at 9.6 GHz
      8. 4.12.8  RX Typical Characteristics at 800 MHz
      9. 4.12.9  RX Typical Characteristics at 1.75 GHz – 1.9 GHz
      10. 4.12.10 RX Typical Characteristics at 2.6 GHz
      11. 4.12.11 RX Typical Characteristics at 3.5 GHz
      12. 4.12.12 RX Typical Characteristics at 4.9 GHz
      13. 4.12.13 RX Typical Characteristics at 8.1GHz
      14. 4.12.14 RX Typical Characteristics at 9.6 GHz
      15. 4.12.15 PLL and Clock Typical Characteristics
  6. 5Revision History
  7. 6Device and Documentation Support
    1. 6.1 Receiving Notification of Documentation Updates
    2. 6.2 Support Resources
    3. 6.3 Trademarks
    4. 6.4 Electrostatic Discharge Caution
    5. 6.5 Glossary
  8. 7Mechanical, Packaging, and Orderable Information

4.8 Digital Electrical Characteristics

Typical values at TA = +25°C, full temperature range is TA,MIN = -40°C to TJ,MAX = +110°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
CML SerDes Inputs [8:1]SRX+/-
VSRDIFF SerDes Receiver Input Amplitude differential 100 1200 mVpp
VSRCOM SerDes Input Common Mode 0.4 0.5 0.6 V
ZSRdiff SerDes Internal Differential Termination(1) 100 Ω
FSerDes SerDes Bit Rate Full rate mode 19 29.5 Gbps
Half rate mode 9.5 16.25 Gbps
Quarter rate mode 4.75 8.125 Gbps
Insertion Loss Tolerance(2) Serdes supply = 1.8V 25 dB
TJ Total Jitter Tolerance 0.42 UI
CML SerDes Outputs [8:1]STX+/-
VSTDIFF SerDes Transmitter Output Amplitude differential 500 1000 mVpp
VSTCOM SerDes Output Common Mode 0.4 0.45 0.55 V
ZSTdiff SerDes Output Impedance 100 Ω
TRF Output rise and fall time 20-80% 8 ps
TEQS Equalization range 7 dB
TTJ Output total jitter 0.21 UI
CMOS I/O: GPIO{B/C/D/E}x, SPICLK, SPISDIO, SPISDO, SPISEN, RESETZ, BISTB0, BISTB1
VIH High-Level Input Voltage 0.6×VDD1P8GPIO V
VIL Low-Level Input Voltage 0.4×VDD1P8GPIO V
IIH High-Level Input Current –250 250 µA
IIL Low-Level Input Current –250 250 µA
CL CMOS input capacitance 2 pF
VOH High-Level Ouput Voltage VDD1P8GPIO–0.2 V
VOL Low-Level Output Voltage 0.2 V
Differential Inputs: SYSREF+/- Mode A
ClockMODE PLL Clock Mode Only
FSYSREFMAX SYSREF Input Frequency Maximum 40 MHz
VSWINGSRMAX SYSREF Input Swing Maximum 1.8 Vppdiff(3)
VSWINGSRMIN SYSREF Input Swing Minimum fREF < 500MHz 0.3 Vppdiff(3)
VSWINGSRMIN SYSREF Input Swing Minimum fREF > 500MHz 0.6 Vppdiff(3)
VCOMSRMAX SYSREF Input Common Mode Voltage Maximum 0.8 V
VCOMSRMIN SYSREF Input Common Mode Voltage Minimum 0.6 V
ZT Input termination differential 100 (1) Ω
CL Input capacitance Each pin to GND 0.5 pF
LVDS Inputs: 0SYNCIN+/- and 1SYNCIN+/-
VICOM Input Common Voltage 1.2 V
VID Differential Input Voltage swing 450 Vppdiff(3)
ZT Input termination differential 100 Ω
LVDS Outputs: 0SYNCOUT+/- and 1SYNCOUT+/-
VOCOM Output Common Voltage 1.2 V
VOD Differential Output Voltage swing 500 Vppdiff(3)
ZT Internal Termination 100 Ω
(1) SYSREF termination is programmable between 100Ω, 150Ω and 300Ω
(2) Loss tolerance is bump to bump from STX to SRX
(3) Vppdiff is the difference between the maximum differential voltage (positive value) and minimum differential voltage (negative value).