AD9146 Analog Devices, AD9146 Datasheet - Page 14

• Manufacturer Part Number: AD9146
• Description: Dual, 16-Bit, 1230 MSPS, TxDAC+® Digital-to-Analog Converter
• Manufacturer: Analog Devices

Specifications of AD9146

• Resolution (bits): 16bit
• Dac Update Rate: 1.23GSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: Byte,LVDS,Nibble

AD9146
Figure 21. Four-Carrier W-CDMA ACLR vs. f
–105
–115
–125
Figure 22. Four-Carrier W-CDMA Performance, 4× Interpolation,
–60
–62
–64
–66
–68
–70
–72
–74
–76
–78
–80
–25
–35
–45
–55
–65
–75
–85
–95
f
Alternate Channel, f
DATA
0
CENTER 122MHz
#RES BW 30kHz
TOTAL CARRIER POWER –16.469dBm/15.36MHz
CARRIER
POWER
1 –22.205dBm/3.84MHz
= 245.76 MSPS, Digital Scale = −6 dBFS, f
2×, PLL OFF
2×, PLL ON
4×, PLL OFF
4×, PLL ON
40
80
120 160 200 240 280 320 360 400 440 480
FILTER
ON
DATA
–22.2dBm
OFFSET
FREQ
5MHz
10MHz
15MHz
= 245.76 MSPS, PLL Off and PLL On
f
–22.4dBm
OUT
VBW 3kHz
INTEG
BW
3.84MHz
3.84MHz
3.84MHz
(MHz)
–22.7dBm
ACP-IBW
dBc
–76.37
–77.45
–77.59
OUT
–22.7dBm
LOWER
over Interpolation, Second
dBm
–98.78
–99.85
–99.99
dBc
–77.11
–77.49
–77.51
SPAN 49.68MHz
OUT
SWEEP 1.371s
UPPER
= 122 MHz
dBm
–99.52
–99.89
–99.91
FILTER
ON
ON
ON
Rev. A | Page 14 of 56
Figure 23. W-CDMA ACLR vs. f
4× Interpolation, f
–105
–115
–125
Figure 24. Four-Carrier W-CDMA Performance, 4× Interpolation,
–60
–62
–64
–66
–68
–70
–72
–74
–76
–78
–80
–82
–84
–25
–35
–45
–55
–65
–75
–85
–95
f
DATA
0
CENTER 200MHz
#RES BW 30kHz
TOTAL CARRIER POWER –16.873dBm/15.36MHz
CARRIER
POWER
1 –23.284dBm/3.84MHz
= 245.76 MSPS, Digital Scale = −6 dBFS, f
40
80
DATA
120 160 200 240 280 320 360 400 440 480
= 245.76 MSPS, Digital Scale = −6 dBFS, PLL Off
FILTER
ON
–23.3dBm
OUT
4 CARRIER
OFFSET
FREQ
5MHz
10MHz
15MHz
over Number of Carriers, Adjacent Channel,
f
–22.9dBm
OUT
VBW 3kHz
INTEG
BW
3.84MHz
3.84MHz
3.84MHz
(MHz)
–22.6dBm
ACP-IBW
1 CARRIER
dBc
–76.55
–76.73
–76.64
–22.8dBm
LOWER
dBm
–99.49
–99.67
–99.59
dBc
–75.66
–75.68
–75.88
OUT
SPAN 49.68MHz
SWEEP 1.371s
Data Sheet
UPPER
= 200 MHz
dBm
–98.60
–98.62
–98.83
FILTER
ON
ON
ON