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AFE7901 Datasheet(PDF) 71 Page - Texas Instruments

Part # AFE7901
Description  AFE7901 4T4R RF Sampling AFE with 12 GSPS DACs and 3 GSPS ADCs
PDF  160 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

AFE7901 Datasheet(HTML) 71 Page - Texas Instruments

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7.12.6 RX Typical Characteristics 4.9 GHz (continued)
Typical values at TA = +25°C, ADC Sampling Rate = 2949.12 GHz. Default conditions: output sample rate = 491.52 MSPS
(decimate by 6), PLL clock mode with fREF = 491.52 MHz, AIN = –3 dBFS, DSA setting = 4 dB.
Input Amplitude (dBFS)
-30
-27
-24
-21
-18
-15
-12
-9
-6
-3
-1
-108
-105
-102
-99
-96
-93
-90
-87
-84
-81
-78
-75
-72
-69
-66
-40 qC
25 qC
110qC
With 4.9 GHz matching, DDC bypass mode (TI only mode for
characterization)
Figure 7-197. RX HD3 vs Input Level and Temperature at 4.9
GHz
Input Amplitude (dBFS)
-30
-27
-24
-21
-18
-15
-12
-9
-6
66
69
72
75
78
81
84
87
90
93
96
99
102
1RX
2RX
3RX
4RX
With 4.9 GHz matching, decimate by 3
Figure 7-198. RX In-Band SFDR (±400 MHz) vs Input Amplitude
and Channel at 4.9 GHz
DSA (dB)
0
2
4
6
8
10
12
14
16
79
79.5
80
80.5
81
81.5
82
82.5
83
1RX
2RX
3RX
4RX
With 4.9 GHz matching
Figure 7-199. RX Non-HD2/3 vs DSA Setting at 4.9 GHz
Supply Voltage
-96
-94
-92
-90
-88
-86
-84
-82
-80
-78
-76
-74
-72
-70
MIN
TYP
MAX
1RX
2RX
3RX
4RX
With 4.9 GHz matching, –7 dBFS each tone, 20-MHz tone
spacing, all supplies at MIN, TYP, or MAX recommended
operating voltages
Figure 7-200. RX IMD3 vs Supply and Channel at 4.9 GHz
Supply Voltages
-156
-155.5
-155
-154.5
-154
-153.5
-153
-152.5
-152
-151.5
-151
MIN
TYP
MAX
1RX
2RX
3RX
4RX
With 4.9 GHz matching, 12.5-MHz offset, all supplies at MIN, TYP, or MAX recommended operating voltages
Figure 7-201. RX Noise Spectral Density vs Supply and Channel at 4.9 GHz
www.ti.com
AFE7901
SBASAO5 – APRIL 2023
Copyright © 2023 Texas Instruments Incorporated
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