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AD9684 Datasheet(PDF) 7 Page - Analog Devices

Part # AD9684
Description  Dual, 14-Bit, 1.25 GSPS, 1.2 V/2.5 V, Analog-to-Digital Converter
PDF  64 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9684 Datasheet(HTML) 7 Page - Analog Devices

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Product
Overview
Online
Documentation
Design
Resources
Discussion
Sample
& Buy
Data Sheet
AD9684
Rev. 0 | Page 7 of 64
Parameter
Temperature
Min
Typ
Max
Unit
DIGITAL OUTPUTS (Dx±,1 DCO±, STATUS±)
Logic Compliance
Full
LVDS
Differential Output Voltage
Full
230
430
mV p-p
Output Common-Mode Voltage (VCM)
AC-Coupled
25°C
0
1.8
V
Short-Circuit Current (IDSHORT)
25°C
−100
+100
mA
Differential Return Loss (RLDIFF)2
25°C
8
dB
Common-Mode Return Loss (RLCM) 2
25°C
6
dB
Differential Termination Impedance
Full
80
100
120
Ω
1
Where x = 0 to 13.
2
Differential and common-mode return loss is measured from 100 MHz to 0.75 MHz × baud rate.
SWITCHING SPECIFICATIONS
AVDD1 = 1.25 V, AVDD2 = 2.5 V, AVDD3 = 3.3 V, DVDD = 1.25 V, DRVDD = 1.25 V, SPIVDD = 1.8 V, specified maximum sampling
rate, 1.7 V p-p full-scale differential input, 1.0 V internal reference, AIN = −1.0 dBFS, default SPI settings, TA = 25°C, unless otherwise
noted.
Table 4.
Parameter
Temperature
Min
Typ
Max
Unit
CLOCK
Clock Rate (at CLK+/CLK− Pins)
Full
0.25
4
GHz
Maximum Sample Rate1
Full
500
MSPS
Minimum Sample Rate2
Full
250
MSPS
Clock Pulse Width
High
Full
1000
ps
Low
Full
1000
ps
LVDS DATA OUTPUT PARAMETERS
Data Propagation Delay (tPD)3
Full
2.225
ns
DCO± Propagation Delay (tDCO)3
Full
2.2
ns
DCO± to Data Skew
Rising Edge Data (tSKEWR)3
Full
−150
−25
+100
ps
Falling Edge Data (tSKEWF)3
Full
850
1.025
1100
ps
STATUS± Propagation Delay (tSTATUS)4
Full
2.2
ns
DCO± to STATUS± Skew (tFRAME)4
Full
−150
−25
+100
ps
Data Propagation Delay (tPD)3
Full
2.225
ns
DCO± Propagation Delay (tDCO)3
Full
2.2
ns
LATENCY5
Pipeline Latency
Full
35
Clock cycles
Fast Detect Latency
Full
28
Clock cycles
HB1 Filter Latency3
Full
50
Clock cycles
HB1 + HB2 Filter Latency3
Full
101
Clock cycles
HB1 + HB2 + HB3 Filter Latency3
Full
217
Clock cycles
HB1 + HB2 + HB3 + HB4 Filter Latency3
Full
433
Clock cycles
Fast Detect Latency
Full
28
Clock cycles
Wake-Up Time6
Standby
25°C
1
ms
Power-Down
25°C
4
ms



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