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AD9781BCPZ Datasheet(PDF) 4 Page - Analog Devices

Part # AD9781BCPZ
Description  Dual 12-/14-/16-Bit, LVDS Interface, 500 MSPS DACs
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9781BCPZ Datasheet(HTML) 4 Page - Analog Devices

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AD9780/AD9781/AD9783
Rev. A | Page 4 of 36
DIGITAL SPECIFICATIONS
TMIN to TMAX, AVDD33 = 3.3 V, DVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, IOUTFS = 20 mA maximum sample rate, unless
otherwise noted.
Table 2.
Parameter
Min
Typ
Max
Unit
DAC CLOCK INPUT (CLKP, CLKN)
Peak-to-Peak Voltage at CLKP and CLKN
400
800
1600
mV
Common-Mode Voltage
300
400
500
mV
Maximum Clock Rate
500
MSPS
SERIAL PERIPHERAL INTERFACE (CMOS INTERFACE)
Maximum Clock Rate (SCLK)
40
MHz
Minimum Pulse Width High
12.5
ns
Minimum Pulse Width Low
12.5
ns
DIGITAL INPUT DATA (LVDS INTERFACE)
Input Voltage Range, VIA or VIB
800
1600
mV
Input Differential Threshold, VIDTH
−100
+100
mV
Input Differential Hysteresis, VIDTHH to VIDTHL
20
mV
Input Differential Input Impedance, RIN
80
120
Ω
Maximum LVDS Input Rate (per DAC)
500
MSPS
AC SPECIFICATIONS
TMIN to TMAX, AVDD33 = 3.3 V, DVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, IOUTFS = 20 mA, maximum sample rate, unless
otherwise noted.
Table 3.
Parameter
AD9780
AD9781
AD9783
Unit
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
SPURIOUS FREE DYNAMIC RANGE (SFDR)
fDAC = 500 MSPS, fOUT = 20 MHz
79
78
80
dBc
fDAC = 500 MSPS, fOUT = 120 MHz
67
66
68
dBc
fDAC = 500 MSPS, fOUT = 380 MHz (Mix Mode)
55
58
62
dBc
fDAC = 500 MSPS, fOUT = 480 MHz (Mix Mode)
58
62
59
dBc
TWO-TONE INTERMODULATION DISTORTION (IMD)
fDAC = 500 MSPS, fOUT = 20 MHz
91
93
86
dBc
fDAC = 500 MSPS, fOUT = 120 MHz
80
75
79
dBc
fDAC = 500 MSPS, fOUT = 380 MHz (Mix Mode)
69
70
64
dBc
fDAC = 500 MSPS, fOUT = 480 MHz (Mix Mode)
60.5
61.5
66
dBc
ONE-TONE NOISE SPECTRAL DENSITY (NSD)
fDAC = 500 MSPS, fOUT = 40 MHz
−157
−162
−165
dBc
fDAC = 500 MSPS, fOUT = 120 MHz
−154.5
−156.5
−157
dBc
fDAC = 500 MSPS, fOUT = 380 MHz (Mix Mode)
−153
−153
−154
dBc
fDAC = 500 MSPS, fOUT = 480 MHz (Mix Mode)
−152
−152
−153
dBc
W-CDMA ADJACENT CHANNEL LEAKAGE RATIO (ACLR),
SINGLE CARRIER
fDAC = 491.52 MSPS, fOUT = 20 MHz
−81
−82.5
−82
dBc
fDAC = 491.52 MSPS, fOUT = 80 MHz
−80
−82.5
−81
dBc
fDAC = 491.52 MSPS, fOUT = 411.52 MHz
−71
−68
−69
dBc
fDAC = 491.52 MSPS, fOUT = 471.52 MHz
−69
−69
−70
dBc


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