AD9625 Ver la hoja de datos (PDF) - Analog Devices
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AD9625 Datasheet PDF : 56 Pages
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AD9625
Data Sheet
AC SPECIFICATIONS
AVDD1 = DVDD1 = DRVDD1 = 1.3 V, AVDD2 = DVDD2 = DRVDD2 = 2.5 V, specified maximum sampling, 1.2 V internal reference,
AIN = −1.0 dBFS, sample clock input = 1.65 V p-p differential, default SPI settings, unless otherwise noted.
Table 2.
Parameter
Test Conditions/Comments
Temperature Min Typ Max Unit
SPEED GRADE
2.0 GSPS
ANALOG INPUT
Full scale
Full
1.1
V p-p
NOISE DENSITY
25°C
−149.5
dBFS/Hz
SIGNAL-TO-NOISE RATIO (SNR)
fIN = 100 MHz
25°C
59.5
dBFS
fIN = 500 MHz
25°C
59.4
dBFS
fIN = 1000 MHz
25°C
59.0
dBFS
fIN = 1800 MHz
Full
55.4 58.2
dBFS
SIGNAL-TO-NOISE AND DISTORTION (SINAD)
fIN = 100 MHz
25°C
58.4
dBc
fIN = 500 MHz
25°C
58.4
dBc
fIN = 1000 MHz
25°C
58.0
dBc
fIN = 1800 MHz
Full
54.1 57.2
dBc
EFFECTIVE NUMBER OF BITS (ENOB)
fIN = 100 MHz
25°C
9.4
Bits
fIN = 500 MHz
25°C
9.4
Bits
fIN = 1000 MHz
25°C
9.3
Bits
fIN = 1800 MHz
Full
8.7 9.2
Bits
SPURIOUS FREE DYNAMIC RANGE (SFDR)
Including second or third harmonic
fIN = 100 MHz
25°C
80
dBc
fIN = 500 MHz
25°C
81
dBc
fIN = 1000 MHz
25°C
80
dBc
fIN = 1800 MHz
Full
67 76
dBc
WORST OTHER SPUR
Excluding second or third harmonic
fIN = 100 MHz
25°C
80
dBc
fIN = 500 MHz
25°C
86
dBc
fIN = 1000 MHz
25°C
83
dBc
fIN = 1800 MHz
Full
73 85
dBc
TWO-TONE INTERMODULATION DISTORTION (IMD) At −7 dBFS per tone
fIN1 = 728.5 MHz, fIN2 = 731.5 MHz
25°C
82.8
dBc
fIN1 = 1805.5 MHz, fIN2 = 1808.5 MHz
25°C
77.6
dBc
DIGITAL SPECIFICATIONS
AVDD1 = DVDD1 = DRVDD1 = 1.3 V, AVDD2 = DVDD2 = DRVDD2 = 2.5 V, specified maximum sampling rate, 1.2 V internal
reference, AIN = −1.0 dBFS, default SPI settings, unless otherwise noted.
Table 3.
Parameter
CLOCK INPUTS (CLK+, CLK−)
Differential Input Voltage
Common-Mode Input Voltage
Input Resistance (Differential)
Input Capacitance
SYSREF INPUTS (SYSREF+, SYSREF−)
Differential Input Voltage
Common-Mode Input Voltage
Temperature
Min
Full
250
Full
Full
Full
Full
250
Full
Typ
Max Unit
1800 mV p-p
0.88
V
57
kΩ
1.5
pF
1800 mV p-p
0.88
V
Rev. 0 | Page 4 of 56
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