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AFE7950 Datasheet(PDF) 28 Page - Texas Instruments

Part # AFE7950
Description  AFE7950-x 4T6R RF Sampling AFE with 12GSPS DACs and 3GSPS ADCs
PDF  126 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

AFE7950 Datasheet(HTML) 28 Page - Texas Instruments

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4.11 Switching Characteristics
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 = 8847.36MSPS; fADC = 2949.12MSPS; nominal power supplies; 1 tone at -1 dBFS; DSA Attenuation =0dB; SerDes rate
= 24.33Gbps; unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TX Channel Latency
tJESDTX
JESD to TX output Latency
LMFSHd=2-8-8-1, 368.64 MSPS input
rate, 24x Interpolation, Serdes rate =
16.22Gbps (JESD204C)
152
interface
clock
cycles(1)
LMFSHd=8-16-4-1, 491.52 MSPS 24x
Interpolation, Serdes rate = 16.22Gbps
(JESD204C)
176
LMFSHd=4-16-8-1, 245.76 MSPS 48x
Interpolation, Serdes rate = 16.22Gbps
(JESD204C)
124
LMFSHd=2-16-16-1, 122.88 MSPS 96x
Interpolation, Serdes rate = 16.22Gbps
(JESD204C)
97
RX Channel Latency
SerDes Transmitter Analog Delay
3.6
ns
tJESDRX
RX input to JESD output Latency
LMFS=2-16-16-1, 122.88 MSPS, 24x
Decimation, Serdes rate = 16.22Gbps
(JESD204C)
92
interface
clock
cycles(1)
LMFS=4-16-8-1, 245.76 MSPS, 12x
Decimation, Serdes rate = 16.22Gbps
(JESD204C)
108
LMFS=4-8-4-1, 491.52 MSPS, 6x
Decimation, Serdes rate = 16.22Gbps
(JESD204C)
153
FB Channel Latency
SerDes Transmitter Analog Delay
3.6
ns
tJESDFB
FB input to JESD output Latency
LMFS=1-2-8-1, 368.64 MSPS, 8x
Decimation
151
interface
clock
cycles(1)
LMFS=2-4-4-1, 491.52 MSPS, 6x
Decimation
177
(1)
Interface clock cycles is the period of the digital interface sample rate, e.g. 1GSPS = 1ns.
AFE7950-SP
SBASAG7A – MARCH 2024 – REVISED AUGUST 2024
www.ti.com
28
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Product Folder Links: AFE7950-SP



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