TA
參數(shù)資料
型號(hào): AD9834BRUZ-REEL7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 2/32頁(yè)
文件大?。?/td> 0K
描述: IC DDS 10BIT 50MHZ LP 20TSSOP
產(chǎn)品培訓(xùn)模塊: 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
設(shè)計(jì)資源: Amplitude Control Circuit for AD9834 Waveform Generator (CN0156)
標(biāo)準(zhǔn)包裝: 1,000
分辨率(位): 10 b
主 fclk: 50MHz
調(diào)節(jié)字寬(位): 28 b
電源電壓: 2.3 V ~ 5.5 V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 帶卷 (TR)
AD9834
Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
MCLK FREQUENCY (MHz)
4.0
0
75
5V
3V
TA = 25°C
I DD
(
mA)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
15
30
45
60
02705-
007
Figure 7. Typical Current Consumption (IDD) vs. MCLK Frequency
4.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
fOUT (Hz)
I DD
(
mA)
TA = 25°C
5V
3V
100
1k
10k
100k
1M
10M
100M
02705-
008
Figure 8. Typical IDD vs. fOUT for fMCLK = 50 MHz
MCLK FREQUENCY (MHz)
S
F
DR
(
d
Bc)
–65
–60
–90
–70
–75
–80
–85
AVDD = DVDD = 3V
TA = 25°C
SFDR dB MCLK/50
SFDR dB MCLK/7
0
15
30
45
60
75
02705-
009
Figure 9. Narrow-Band SFDR vs. MCLK Frequency
0
–10
–20
–30
–40
–50
–60
–70
–80
MCLK FREQUENCY (MHz)
S
F
DR
(
d
Bc)
0
10
20
30
40
50
60
70
fOUT = 1MHz
SFDR dB MCLK/7
AVDD = DVDD = 3V
TA = 25°C
02705-
010
Figure 10. Wideband SFDR vs. MCLK Frequency
S
F
DR
(
d
Bc)
0
–40
–80
–50
–60
–70
–10
–20
–30
50MHz CLOCK
30MHz CLOCK
AVDD = DVDD = 3V
TA = 25°C
fOUT/fMCLK
0.001
0.01
0.1
1.0
10
100
02705-
011
Figure 11. Wideband SFDR vs. fOUT/fMCLK for Various MCLK Frequencies
MCLK FREQUENCY (MHz)
S
NR
(
d
B)
–60
–65
–70
–50
–55
–40
–45
1.0
5.0
10.0
12.5
25.0
50.0
TA = 25°C
AVDD = DVDD = 3V
fOUT = MCLK/4096
02705-
012
Figure 12. SNR vs. MCLK Frequency
Rev. D | Page 10 of 32
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