MAX5893_08 Datasheet, PDF (9/32 Pages) Maxim Integrated Products – 12-Bit, 500Msps Interpolating and Modulating Dual DAC with CMOS Inputs

12-Bit, 500Msps Interpolating and Modulating
Dual DAC with CMOS Inputs
Typical Operating Characteristics (continued)
(DV_DD1.8 = AV_DD1.8 = 1.8V, AV_CLK = AV_DD3.3 = DV_DD3.3 = 3.3V, modulator off, 2x interpolation, output is transformer-coupled to
50Ω load, T_A = +25°C, unless otherwise noted.)
WCDMA ACLR vs. OUTPUT FREQUENCY
f_DATA = 122.88MWps, 4x INTERPOLATION
100
90
SINGLE-CARRIER
80
ALTERNATE CHANNEL
70
60
SINGLE-CARRIER
ADJACENT CHANNEL
50
40
0
40
80
120
160
f_CENTER (MHz)
WCDMA ACLR vs. OUTPUT FREQUENCY
f_DATA = 76.8MWps, 4x INTERPOLATION
100
90
SINGLE-CARRIER
80
ALTERNATE CHANNEL
70
60
SINGLE-CARRIER
ADJACENT CHANNEL
50
40
0
40
80
f_CENTER (MHz)
WCDMA ACLR SPECTRAL PLOT
f_DATA = 61.44MWps, 8x INTERPOLATION
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
f_CENTER = 61.44MHz
SPAN = 25.5MHz
WCDMA ACLR SPECTRAL PLOT
f_DATA = 122.88MWps, 4x INTERPOLATION
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
f_CENTER = 122.88MHz
SPAN = 25.5MHz
_______________________________________________________________________________________ 9