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, TX Clock Dither Enabled
including PCB and cable losses, Aout = -0.5
dFBS, DSA = 0, 1.8 GHz matching |
Figure 7-44 TX
Output Fullscale vs Output Frequency
fDAC = 5898.24 MSPS, interleave mode,
matching at 1.8 GHz |
Differential Gain Error = POUT(DSA Setting –
1) – POUT(DSA Setting) + 1 |
Figure 7-46 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 |
Integrated Gain Error = POUT(DSA Setting) –
POUT(DSA Setting = 0) + (DSA
Setting) |
Figure 7-48 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 |
Differential Gain Error = POUT(DSA Setting –
1) – POUT(DSA Setting) + 1 |
Figure 7-50 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 |
Integrated Gain Error = POUT(DSA Setting) –
POUT(DSA Setting = 0) + (DSA
Setting) |
Figure 7-52 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 |
Differential Phase Error = PhaseOUT(DSA
Setting – 1) – PhaseOUT(DSA Setting) |
Figure 7-54 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 |
Integrated Phase Error = Phase(DSA Setting) – Phase(DSA
Setting = 0) |
Figure 7-56 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 |
Differential Phase Error = PhaseOUT(DSA
Setting – 1) – PhaseOUT(DSA Setting) |
Figure 7-58 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, channel with the median variation
over DSA setting at 25°C |
Integrated Phase Error = Phase(DSA Setting) – Phase(DSA
Setting = 0) |
Figure 7-60 TX
Uncalibrated Integrated Phase Error vs DSA Setting and Temperature at 1.8
GHz
fDAC = 5898.24 MSPS, interleave mode,
matching at 1.8 GHz, POUT = –13 dBFS |
Figure 7-62 TX
Output Noise vs Channel and Attenuation at 1.8 GHz
fDAC = 11796.48 MSPS, interleave mode,
fCENTER = 1.8 GHz, matching at 1.8 GHz,
–13 dBFS each tone |
Figure 7-64 TX
IMD3 vs Tone Spacing and Channel at 1.8 GHz
fDAC = 11796.48 MSPS, interleave mode,
fCENTER = 1.8 GHz, fSPACING =
20 MHz, matching at 1.8 GHz |
Figure 7-66 TX
IMD3 vs Digital Level at 1.8 GHz
TM1.1,
POUT_RMS = –13 dBFS |
Figure 7-68 TX
20-MHz LTE Output Spectrum at 1.8425 GHz
Matching at 1.8 GHz, single carrier 20-MHz BW TM1.1
LTE |
Figure 7-70 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 7-72 TX
20-MHz LTE alt-ACPR vs DSA at 1.8 GHz
Matching at 1.8 GHz, fDAC = 11.7964 8GSPS,
interleave mode, normalized to output power at harmonic
frequency |
Figure 7-74 TX
HD3 vs Digital Amplitude and Output Frequency at 1.8 GHz
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 7-76 TX
Single Tone (–6 dBFS) Output Spectrum at 1.8 GHz (0-fDAC)
Aout = -0.5 dFBS, matching 1.8
GHz |
Figure 7-45 TX
Output Power vs 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 7-47 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 |
Integrated Gain Error = POUT(DSA Setting) –
POUT(DSA Setting = 0) + (DSA
Setting) |
Figure 7-49 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 |
Differential Gain Error = POUT(DSA Setting –
1) – POUT(DSA Setting) + 1 |
Figure 7-51 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 |
Integrated Gain Error = POUT(DSA Setting) –
POUT(DSA Setting = 0) + (DSA
Setting) |
Figure 7-53 TX
Calibrated Integrated Gain Error vs DSA Setting and Temperature 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 7-55 TX
Calibrated Differential 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 7-57 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, channel with the median variation
over DSA setting at 25°C |
Differential Phase Error = PhaseOUT(DSA
Setting – 1) – PhaseOUT(DSA Setting) |
Figure 7-59 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 |
Integrated Phase Error = Phase(DSA Setting) – Phase(DSA
Setting = 0) |
Figure 7-61 TX
Calibrated Integrated Phase Error vs DSA Setting 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 |
Figure 7-63 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, worst channel |
Figure 7-65 TX
IMD3 vs Tone Spacing and Temperature at 1.8 GHz
Matching at 2.6 GHz, Single tone, fDAC =
11.79648 GSPS, interleave mode, 40-MHz offset |
Figure 7-67 TX
Single Tone Output Noise vs Frequency and Amplitude at 1.8 GHz
Matching at 1.8 GHz, single carrier 20-MHz BW TM1.1
LTE |
Figure 7-69 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 7-71 TX
20-MHz LTE ACPR vs DSA at 1.8 GHz
Matching at 1.8 GHz, fDAC = 11.79648GSPS,
interleave mode, normalized to output power at harmonic
frequency |
Figure 7-73 TX
HD2 vs Digital Amplitude and Output Frequency at 1.8 GHz
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 7-75 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 7-77 TX
Single Tone (–1 dBFS) Output Spectrum at 1.8 GHz (0-fDAC)