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AFE7901 датащи(PDF) 49 Page - Texas Instruments

номер детали AFE7901
подробное описание детали  AFE7901 4T4R RF Sampling AFE with 12 GSPS DACs and 3 GSPS ADCs
PDF  160 Pages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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AFE7901 датащи(HTML) 49 Page - Texas Instruments

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7.12.2 RX Typical Characteristics at 800 MHz (continued)
Typical values at TA = +25°C, ADC Sampling Rate = 2949.12 GHz. Default conditions: output sample rate = 491.52MSPS
(decimate by 6), PLL clock mode with fREF = 491.52MHz, AIN = –3 dBFS, DSA setting = 4 dB.
DSA (dB)
3
6
9
12
15
18
-87
-84
-81
-78
-75
-72
-69
-40qC
25qC
110qC
With 0.8 GHz matching, DDC bypass mode (TI only mode for
characterization)
Figure 7-74. RX HD3 vs DSA Setting and Temperature at 0.8
GHz
Input Amplitude (dBFS)
-30
-27
-24
-21
-18
-15
-12
-9
-6
-3
0
-115
-110
-105
-100
-95
-90
-85
-80
-75
-70
1RX
2RX
3RX
4RX
With 0.8 GHz matching, DDC bypass mode (TI only mode for
characterization)
Figure 7-75. RX HD3 vs Input Level and Channel at 0.8 GHz
Input Amplitude (dBFS)
-30
-27
-24
-21
-18
-15
-12
-9
-6
-3
0
-125
-120
-115
-110
-105
-100
-95
-90
-85
-80
-75
-70
-65
-40 qC, DSA=4dB
-40 qC, DSA=12dB
25 qC, DSA=4dB
25 qC, DSA=12dB
110 qC, DSA=4dB
110 qC, DSA=12dB
With 0.8 GHz matching, DDC bypass mode (TI only mode for
characterization)
Figure 7-76. RX HD3 vs Input Level and Temperature at 0.8 GHz
DSA (dB)
0
2
4
6
8
10
12
14
16
80
85
90
95
100
1RX
2RX
3RX
4RX
With 0.8 GHz matching
Figure 7-77. RX Non-HD2/3 vs DSA Setting at 0.8 GHz
Supply Voltage
-94
-92
-90
-88
-86
-84
-82
-80
MIN
TYP
MAX
1RX
2RX
3RX
4RX
With 0.8 GHz matching, –7 dBFS each tone, 20-MHz tone
spacing, all supplies at MIN, TYP, or MAX recommended
operating voltages
Figure 7-78. RX IMD3 vs Supply and Channel at 0.8 GHz
Supply Voltages
-112
-110
-108
-106
-104
-102
-100
-98
-96
-94
MIN
TYP
MAX
1RX
2RX
3RX
4RX
With 0.8 GHz matching, –7 dBFS each tone, 20-MHz tone
spacing, all supplies at MIN, TYP, or MAX recommended
operating voltages
Figure 7-79. RX IMD5 vs Supply and Channel at 0.8 GHz
www.ti.com
AFE7901
SBASAO5 – APRIL 2023
Copyright © 2023 Texas Instruments Incorporated
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