参数资料
型号: AD9778BSVZ
厂商: Analog Devices Inc
文件页数: 35/56页
文件大小: 0K
描述: IC DAC 14BIT DUAL 1GSPS 100TQFP
产品培训模块: DAC Architectures
标准包装: 1
位数: 14
数据接口: 并联
转换器数目: 2
电压电源: 模拟和数字
功率耗散(最大): 300mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 100-TQFP 裸露焊盘
供应商设备封装: 100-TQFP-EP(14x14)
包装: 托盘
输出数目和类型: 4 电流,单极;4 电流,双极
采样率(每秒): 1G
AD9776/AD9778/AD9779
Rev. A | Page 40 of 56
0
250
fDATA (MSPS)
POW
ER
(
W
)
0.075
25
50
75
100
125
150
175
200
225
0.050
0.025
ALL INTERPOLATION MODES
05361-080
Figure 84. Digital 3.3 V Supply, I Data Only, Real Mode, Includes Modulation
Modes and Zero Stuffing
0
300
250 275
fDATA (MSPS)
PO
W
ER
(
W
)
0.6
1.0
0.7
0.8
0.9
0.5
0.4
0.3
0.2
0.1
25
50
75
100 125 150 175 200 225
05
36
1-
0
77
1× INTERPOLATION
1× INTERPOLATION,
ZERO STUFFING
2× INTERPOLATION,
ALL MODULATION MODES
2× INTERPOLATION,
ZERO STUFFING
4× INTERPOLATION,
ALL MODULATION
MODES
4× INTERPOLATION,
ZERO STUFFING
8× INTERPOLATION, ALL
MODULATION MODES
8× INTERPOLATION,
ZERO STUFFING
Figure 85. Total Power Dissipation, Dual DAC Mode
0
250
fDATA (MSPS)
POW
ER
(
W
)
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
25
50
75
100
125
150
175
200
225
2
× INTERPOLATION
4
× INTERPOLATION
1
× INTERPOLATION,
NO MODULATION
8
× INTERPOLATION, fDAC/8,
fDAC/4,
fDAC/2,
NO MODULATION
05361-081
Figure 86. Power Dissipation, Digital 1.8 V Supply, I and Q Data, Dual DAC
Mode, Does Not Include Zero Stuffing
0
250
fDATA (MSPS)
POW
ER
(
W
)
0.125
25
50
75
100
125
150
175
200
225
2
× INTERPOLATION
4
× INTERPOLATION
1
× INTERPOLATION,
NO MODULATION
8
× INTERPOLATION, fDAC/8,
fDAC/4,
fDAC/2,
NO MODULATION
0.100
0.075
0.050
0.025
05361-082
Figure 87. Power Dissipation, Clock 1.8 V Supply, I and Q Data, Dual DAC
Mode, Does Not Include Zero Stuffing
0
250
fDATA (MSPS)
POW
ER
(
W
)
0.075
25
50
75
100
125
150
175
200
225
0.050
0.025
ALL INTERPOLATION MODES
05361-083
Figure 88. Digital 3.3 V Supply, I and Q Data, Dual DAC Mode
0.16
0
1200
fDAC (MSPS)
POW
ER
(
W
)
0.14
0.12
0.10
0.08
0.06
0.04
0.02
200
400
600
800
1000
05361-084
Figure 89. Power Dissipation of Inverse Sinc Filter
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