参数资料
型号: EVAL-AD9838SDZ
厂商: Analog Devices Inc
文件页数: 2/32页
文件大小: 0K
描述: BOARD EVAL FOR AD9838
产品培训模块: Direct Digital Synthesis Tutorial Series (1 of 7): Introduction
Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action
Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter
Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction
Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter
Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator
标准包装: 1
主要目的: 计时,直接数字合成(DDS)
嵌入式:
已用 IC / 零件: AD9838
主要属性: USB 供电或外部电源
次要属性: SPI 接口
已供物品: 板,线缆,CD,文档
AD9838
Rev. A | Page 10 of 32
1.178
1.176
1.174
1.172
1.170
1.168
1.166
1.180
1.164
–40
–20
0
20
40
60
80
100
120
140
TEMPERATURE (°C)
V
REF
(V
)
09
07
7-
03
8
VDD = 2.7V
VDD = 5.0V
Figure 12. VREF vs. Temperature
0.20
0
–40
–20
0
20
40
60
80
100
09
07
7-
04
5
TEMPERATURE (°C)
DV
DD
(
V
)
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
DVDD = 3.3V
DVDD = 5.5V
DVDD = 2.3V
Figure 13. SIGN BIT OUT Pin, Low Level, ISINK = 1 mA
5.5
1.5
–40
–20
0
20
40
60
80
100
09
07
7-
04
6
TEMPERATURE (°C)
DV
DD
(
V
)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
DVDD = 2.3V
DVDD = 2.7V
DVDD = 3.3V
DVDD = 4.5V
DVDD = 5.5V
Figure 14. SIGN BIT OUT Pin, High Level, ISINK = 1 mA
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0
10
20
3040
50
60
7080
90
100
FREQUENCY (kHz)
P
O
W
E
R
(
d
B)
09
07
7-
0
47
Figure 15. Power vs. Frequency, fMCLK = 16 MHz, fOUT = 3.8 kHz,
Frequency Word = 0x000FBA9
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0
10
20
3040
50
60
7080
90
100
FREQUENCY (kHz)
P
O
W
E
R
(
d
B)
09
07
7-
0
48
Figure 16. Power vs. Frequency, fMCLK = 5 MHz, fOUT = 1.2 kHz,
Frequency Word = 0x000FBA9
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0
0.5
1.01.5
2.02.
FREQUENCY (MHz)
P
O
W
E
R
(
d
B)
09
07
7-
0
49
5
Figure 17. Power vs. Frequency, fMCLK = 5 MHz, fOUT = 0.714 MHz = fMCLK/7,
Frequency Word = 0x2492492
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