SBASAN5A July   2023  – May 2025 AFE7955

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 AFE79xx
    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 1.75-1.9 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. 5Device and Documentation Support
    1. 5.1 Receiving Notification of Documentation Updates
    2. 5.2 Support Resources
    3. 5.3 Trademarks
    4. 5.4 Electrostatic Discharge Caution
    5. 5.5 Glossary
  7. 6Revision History
  8. 7Mechanical, Packaging, and Orderable Information

4.12.2 TX Typical Characteristics at 1.8 GHz

Typical values at TA = +25°C with nominal supplies. Default conditions: TX input data rate = 491.52 MSPS, fDAC = 11796.48 MSPS (24x interpolation), interleave mode, 1st Nyquist zone output, PLL clock mode with fREF = 491.52 MHz, AOUT = –1 dBFS, DSA = 0 dB, Sin(x)/x enabled, DSA calibrated

AFE7955 TX Output Fullscale vs Output Frequency
including PCB and cable losses, Aout = -0.5 dFBS, DSA = 0, 1.8 GHz matching
Figure 4-44 TX Output Fullscale vs Output Frequency
AFE7955 TX Uncalibrated Differential Gain Error vs DSA Setting and Channel at 1.8 GHz
fDAC = 5898.24 MSPS, interleave mode, matching at 1.8 GHz
Differential Gain Error = POUT(DSA Setting – 1) – POUT(DSA Setting) + 1
Figure 4-46 TX Uncalibrated Differential Gain Error vs DSA Setting and Channel at 1.8 GHz
AFE7955 TX Uncalibrated Integrated Gain Error vs DSA Setting and Channel at 1.8 GHz
fDAC = 5898.24 MSPS, interleave mode, matching at 1.8 GHz
Integrated Gain Error = POUT(DSA Setting) – POUT(DSA Setting = 0) + (DSA Setting)
Figure 4-48 TX Uncalibrated Integrated Gain Error vs DSA Setting and Channel at 1.8 GHz
AFE7955 TX Uncalibrated Differential Gain Error vs DSA Setting and Temperature at 1.8 GHz
fDAC = 5898.24 MSPS, interleave mode, matching at 1.8 GHz
Differential Gain Error = POUT(DSA Setting – 1) – POUT(DSA Setting) + 1
Figure 4-50 TX Uncalibrated Differential Gain Error vs DSA Setting and Temperature at 1.8 GHz
AFE7955 TX Uncalibrated Integrated Gain Error vs DSA Setting and Temperature at 1.8 GHz
fDAC = 5898.24 MSPS, interleave mode, matching at 1.8 GHz
Integrated Gain Error = POUT(DSA Setting) – POUT(DSA Setting = 0) + (DSA Setting)
Figure 4-52 TX Uncalibrated Integrated Gain Error vs DSA Setting and Temperature at 1.8 GHz
AFE7955 TX Uncalibrated Differential Phase Error vs DSA Setting and Channel at 1.8 GHz
fDAC = 5898.24 MSPS, interleave mode, matching at 1.8 GHz
Differential Phase Error = PhaseOUT(DSA Setting – 1) – PhaseOUT(DSA Setting)
Figure 4-54 TX Uncalibrated Differential Phase Error vs DSA Setting and Channel at 1.8 GHz
AFE7955 TX Uncalibrated Integrated Phase Error vs DSA Setting and Channel at 1.8 GHz
fDAC = 5898.24 MSPS, interleave mode, matching at 1.8 GHz
Integrated Phase Error = Phase(DSA Setting) – Phase(DSA Setting = 0)
Figure 4-56 TX Uncalibrated Integrated Phase Error vs DSA Setting and Channel at 1.8 GHz
AFE7955 TX Uncalibrated Differential Phase Error vs DSA Setting and Temperature at 1.8 GHz
fDAC = 5898.24 MSPS, interleave mode, matching at 1.8 GHz
Differential Phase Error = PhaseOUT(DSA Setting – 1) – PhaseOUT(DSA Setting)
Figure 4-58 TX Uncalibrated Differential Phase Error vs DSA Setting and Temperature at 1.8 GHz
AFE7955 TX Uncalibrated Integrated Phase Error vs DSA Setting and Temperature at 1.8 GHz
fDAC = 5898.24MSPS, interleave mode, matching at 1.8 GHz, channel with the median variation over DSA setting at 25°C
Integrated Phase Error = Phase(DSA Setting) – Phase(DSA Setting = 0)
Figure 4-60 TX Uncalibrated Integrated Phase Error vs DSA Setting and Temperature at 1.8 GHz
AFE7955 TX Output Noise vs Channel and Attenuation at 1.8 GHz
fDAC = 5898.24 MSPS, interleave mode, matching at 1.8 GHz, POUT = –13 dBFS
Figure 4-62 TX Output Noise vs Channel and Attenuation at 1.8 GHz
AFE7955 TX IMD3 vs Tone Spacing and Channel at 1.8 GHz
fDAC = 11796.48 MSPS, interleave mode, fCENTER = 1.8 GHz, matching at 1.8 GHz, –13 dBFS each tone
Figure 4-64 TX IMD3 vs Tone Spacing and Channel at 1.8 GHz
AFE7955 TX IMD3 vs Digital Level at 1.8 GHz
fDAC = 11796.48 MSPS, interleave mode, fCENTER = 1.8 GHz, fSPACING = 20 MHz, matching at 1.8 GHz
Figure 4-66 TX IMD3 vs Digital Level at 1.8 GHz
AFE7955 TX 20-MHz LTE Output Spectrum at 1.8425 GHz
TM1.1, POUT_RMS = –13 dBFS
Figure 4-68 TX 20-MHz LTE Output Spectrum at 1.8425 GHz
AFE7955 TX 20-MHz LTE alt-ACPR vs Digital Level at 1.8425 GHz
Matching at 1.8 GHz, single carrier 20-MHz BW TM1.1 LTE
Figure 4-70 TX 20-MHz LTE alt-ACPR vs Digital Level at 1.8425 GHz
AFE7955 TX 20-MHz LTE alt-ACPR vs DSA at 1.8 GHz
Matching at 1.8 GHz, single carrier 20-MHz BW TM1.1 LTE
Figure 4-72 TX 20-MHz LTE alt-ACPR vs DSA at 1.8 GHz
AFE7955 TX HD3 vs Digital Amplitude and Output Frequency at 1.8 GHz
Matching at 1.8 GHz, fDAC = 11.79648 GSPS, interleave mode, normalized to output power at harmonic frequency
Figure 4-74 TX HD3 vs Digital Amplitude and Output Frequency at 1.8 GHz
AFE7955 TX Single Tone (–6 dBFS) Output Spectrum at 1.8 GHz (0-fDAC)
fDAC = 8847.36 MSPS, straight mode, 1.8 GHz matching, includes PCB and cable losses. ILn = fS/n ± fOUT and is due to mixing with digital clocks.
Figure 4-76 TX Single Tone (–6 dBFS) Output Spectrum at 1.8 GHz (0-fDAC)
AFE7955 TX Output Power vs Temperature at 1.8 GHz
Aout = -0.5 dFBS, matching 1.8 GHz
Figure 4-45 TX Output Power vs Temperature at 1.8 GHz
AFE7955 TX Calibrated Differential Gain Error vs DSA Setting and Channel at 1.8 GHz
fDAC = 5898.24 MSPS, interleave mode, matching at 1.8 GHz
Differential Gain Error = POUT(DSA Setting – 1) – POUT(DSA Setting) + 1
Figure 4-47 TX Calibrated Differential Gain Error vs DSA Setting and Channel at 1.8 GHz
AFE7955 TX Calibrated Integrated Gain Error vs DSA Setting and Channel at 1.8 GHz
fDAC = 5898.24 MSPS, interleave mode, matching at 1.8 GHz
Integrated Gain Error = POUT(DSA Setting) – POUT(DSA Setting = 0) + (DSA Setting)
Figure 4-49 TX Calibrated Integrated Gain Error vs DSA Setting and Channel at 1.8 GHz
AFE7955 TX Calibrated Differential Gain Error vs DSA Setting and Temperature at 1.8 GHz
fDAC = 5898.24 MSPS, interleave mode, matching at 1.8 GHz
Differential Gain Error = POUT(DSA Setting – 1) – POUT(DSA Setting) + 1
Figure 4-51 TX Calibrated Differential Gain Error vs DSA Setting and Temperature at 1.8 GHz
AFE7955 TX Calibrated Integrated Gain Error vs DSA Setting and Temperature at 1.8 GHz
fDAC = 5898.24 MSPS, interleave mode, matching at 1.8 GHz
Integrated Gain Error = POUT(DSA Setting) – POUT(DSA Setting = 0) + (DSA Setting)
Figure 4-53 TX Calibrated Integrated Gain Error vs DSA Setting and Temperature at 1.8 GHz
AFE7955 TX Calibrated Differential Phase Error vs DSA Setting and Channel at 1.8 GHz
fDAC = 8847.36 MSPS, straight mode, matching at 2.6 GHz
Differential Phase Error = PhaseOUT(DSA Setting – 1) – PhaseOUT(DSA Setting)
Phase DNL spike may occur at any DSA setting.
Figure 4-55 TX Calibrated Differential Phase Error vs DSA Setting and Channel at 1.8 GHz
AFE7955 TX Calibrated Integrated Phase Error vs DSA Setting and Channel at 1.8 GHz
fDAC = 5898.24 MSPS, interleave mode, matching at 1.8 GHz
Integrated Phase Error = Phase(DSA Setting) – Phase(DSA Setting = 0)
Figure 4-57 TX Calibrated Integrated Phase Error vs DSA Setting and Channel at 1.8 GHz
AFE7955 TX Calibrated Differential Phase Error vs DSA Setting and Temperature at 1.8 GHz
fDAC = 5898.24 MSPS, interleave mode, matching at 1.8 GHz, channel with the median variation over DSA setting at 25°C
Differential Phase Error = PhaseOUT(DSA Setting – 1) – PhaseOUT(DSA Setting)
Figure 4-59 TX Calibrated Differential Phase Error vs DSA Setting and Temperature at 1.8 GHz
AFE7955 TX Calibrated Integrated Phase Error vs DSA Setting and Temperature at 1.8 GHz
fDAC = 5898.24 MSPS, interleave mode, matching at 1.8 GHz, channel with the median variation over DSA setting at 25°C
Integrated Phase Error = Phase(DSA Setting) – Phase(DSA Setting = 0)
Figure 4-61 TX Calibrated Integrated Phase Error vs DSA Setting and Temperature at 1.8 GHz
AFE7955 TX IMD3 vs DSA Setting at 1.8 GHz
fDAC = 11796.48 MSPS, interleave mode, fCENTER = 1.8 GHz, matching at 1.8 GHz, –13 dBFS each tone
Figure 4-63 TX IMD3 vs DSA Setting at 1.8 GHz
AFE7955 TX IMD3 vs Tone Spacing and Temperature at 1.8 GHz
fDAC = 11796.48 MSPS, interleave mode, fCENTER = 1.8 GHz, matching at 1.8 GHz, –13 dBFS each tone, worst channel
Figure 4-65 TX IMD3 vs Tone Spacing and Temperature at 1.8 GHz
AFE7955 TX Single Tone Output Noise vs Frequency and Amplitude at 1.8 GHz
Matching at 2.6 GHz, Single tone, fDAC = 11.79648GSPS, interleave mode, 40-MHz offset
Figure 4-67 TX Single Tone Output Noise vs Frequency and Amplitude at 1.8 GHz
AFE7955 TX 20-MHz LTE ACPR vs Digital Level at 1.8425 GHz
Matching at 1.8 GHz, single carrier 20-MHz BW TM1.1 LTE
Figure 4-69 TX 20-MHz LTE ACPR vs Digital Level at 1.8425 GHz
AFE7955 TX 20-MHz LTE ACPR vs DSA at 1.8 GHz
Matching at 1.8 GHz, single carrier 20-MHz BW TM1.1 LTE
Figure 4-71 TX 20-MHz LTE ACPR vs DSA at 1.8 GHz
AFE7955 TX HD2 vs Digital Amplitude and Output Frequency at 1.8 GHz
Matching at 1.8 GHz, fDAC = 11.79648 GSPS, interleave mode, normalized to output power at harmonic frequency
Figure 4-73 TX HD2 vs Digital Amplitude and Output Frequency at 1.8 GHz
AFE7955 TX Single Tone (–12 dBFS) Output Spectrum at 1.8 GHz (0-fDAC)
fDAC = 8847.36 MSPS, straight mode, 1.8 GHz matching, includes PCB and cable losses. ILn = fS/n ± fOUT and is due to mixing with digital clocks.
Figure 4-75 TX Single Tone (–12 dBFS) Output Spectrum at 1.8 GHz (0-fDAC)
AFE7955 TX Single Tone (–1 dBFS) Output Spectrum at 1.8 GHz (0-fDAC)
fDAC = 8847.36 MSPS, straight mode, 1.8 GHz matching, includes PCB and cable losses. ILn = fS/n ± fOUT and is due to mixing with digital clocks.
Figure 4-77 TX Single Tone (–1 dBFS) Output Spectrum at 1.8 GHz (0-fDAC)