AFE7901 datasheet(14/160 Pages) TI

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7.5 Transmitter Electrical Characteristics (continued)

Typical values at TA = +25°C, full temperature range is TA,MIN = -40°C to TJ,MAX = +110°C; TX Input Rate = 491.52MSPS,

fDAC = 11796.48MSPS below 6GHz and fDAC = 9000MSPS above 6GHz; PLL clock mode below 6GHz output frequency

and External clock mode above 6GHz output frequency; interleave mode for 1st Nyquist, non-interleave mix mode for 2nd

Nyquist, nominal power supplies; 1 tone at -1 dBFS; DSA Attenuation =0dB; TX clock dither enabled, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IMD3

3rd Order Intermodulation distortion

fDAC =6 GSPS, fout = 5MHz

±1MHz, -7dBFS each tone

-48

dBc

fDAC =6 GSPS, fout = 30MHz

±1MHz, -7dBFS each tone

-47

dBc

fDAC =6 GSPS, fout = 400MHz

±2MHz, -7dBFS each tone

-51

dBc

fout = 850MHz ±10MHz, -7dBFS each

tone

-61

dBc

fout = 1800MHz ±10MHz, -7dBFS

each tone

-62

dBc

fout = 2600MHz ±10MHz, -7dBFS

each tone

-64

dBc

fout = 3500MHz ±10MHz, -7dBFS

each tone

-63

dBc

fout = 4900MHz ±10MHz, -7dBFS

each tone

-64

dBc

fout = 5MHz ±1MHz, -13dBFS each

tone

-72

dBc

fDAC =6 GSPS, fout = 30MHz

±1MHz, -13dBFS each tone

-71

dBc

fDAC =6 GSPS, fout = 400MHz

±2MHz, -13dBFS each tone

-72

dBc

fout = 850MHz ±10MHz, -13dBFS

each tone

-73

dBc

fout = 1800MHz ±10MHz, -13dBFS

each tone

-75

dBc

fout = 2600MHz ±10MHz, -13dBFS

each tone

-79

dBc

fout = 3500MHz ±10MHz, -13dBFS

each tone

-77

dBc

fout = 4900MHz ±10MHz, -13dBFS

each tone

-77

dBc

SFDR

Spurious Free Dynamic Range (within

Nyquist zone)

fout = 30 MHz, fDAC = 6000 MSPS,

interleave mode, 20Gbps SerDes rate

dBc

fout = 400 MHz, fDAC = 6000 MSPS,

interleave mode, 20Gbps SerDes rate

dBc

fout = 850 MHz, fDAC = 11796.48 MSPS

dBc

fout = 1800 MHz, fDAC = 11796.48

MSPS

dBc

fout = 2600 MHz, fDAC = 11796.48

MSPS

dBc

fout = 3500 MHz, fDAC = 11796.48

MSPS

dBc

fout= 4900 MHz, fDAC = 11796.48

MSPS

dBc

AFE7901

SBASAO5 – APRIL 2023

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