VAS = 3.3 V, V" />
參數(shù)資料
型號(hào)： AD9877ABSZ
廠商： Analog Devices Inc
文件頁數(shù)： 2/36頁
文件大?。?/td> 0K
描述： IC PROCESSOR FRONT END 100MQFP
標(biāo)準(zhǔn)包裝： 1
位數(shù)： 12
通道數(shù)： 3
功率（瓦特）： 1.17W
電壓 - 電源，模擬： 3.3V
電壓 - 電源，數(shù)字： 3.3V
封裝/外殼： 100-BQFP
供應(yīng)商設(shè)備封裝： 100-MQFP（14x20）
包裝： 托盤
AD9877
Rev. B | Page 10 of 36
TYPICAL PERFORMANCE CHARACTERISTICS
VAS = 3.3 V, VDS = 3.3 V, fOSCIN = 27 MHz, fSYSCLK = 216 MHz, fMCLK = 54 MHz (M = 8 and N = 4). ADC sample rate derived directly from
fOSCIN, RSET = 4.02 kΩ (IOUT = 10 mA), and 75 Ω DAC load, unless otherwise noted.
TYPICAL POWER CONSUMPTION CHARACTERISTICS
Transmitted 20 MHz single tone, unless otherwise noted.
fSYSCLK (MHz)
120
240
140
160
180
200
220
340
POWER
320
300
280
260
240
220
200
180
02716-
003
Figure 3. Power Consumption vs. Clock Speed, fSYSCLK
02716-
004
% DUTY CYCLE
0
100
10
30
50
60
70
310
POWER
300
290
280
270
260
250
20
40
90
80
Figure 4. Power Consumption vs. Transmit Burst Duty Cycle
DUAL SIDEBAND TRANSMIT SPECTRUM
See Table 11 for dual-tone generation.
FREQUENCY (MHz)
02
2
6
10
12
14
0
MAGNITUDE
(dB)
–20
–30
–50
–60
–70
–90
48
18
16
–80
–40
–10
0
02716-
005
Figure 5. Dual Sideband Spectral Plot, fC = 5 MHz, f = 1 MHz,
RSET = 4.02 KΩ, DAC Gain = 7.5 dB, RBW = 1 kHz
FREQUENCY (MHz)
55
75
61
65
67
69
MAGNITUDE
(dB)
59
63
73
71
0
–20
–30
–50
–60
–70
–90
–80
–40
–10
57
02716-
006
Figure 6. Dual Sideband Spectral Plot, fC = 65 MHz, f = 1 MHz,
RSET = 4.02 KΩ, (IOUT = 10 mA), RBW = 1 kHz
SINGLE SIDEBAND TRANSMIT SPECTRUM
FREQUENCY (MHz)
0
110
30
50
60
70
0
MAGNITUDE
(dB)
–20
–30
–50
–60
–70
–90
20
40
90
80
–80
–40
–10
10
100
02716-
007
Figure 7. Single Sideband @ 65 MHz, RBW = 2 kHz, fC = 66 MHz,
f = 1 MHz, RSET = 4.02 KΩ, DAC gain = 7.5 dB
FREQUENCY (MHz)
0
110
30
50
60
70
0
MAGNITUDE
(dB)
–20
–30
–50
–60
–70
–90
20
40
90
80
–80
–40
–10
10
100
02716-
008
Figure 8. Single Sideband @ 42 MHz, RBW = 2 kHz, fC = 43 MHz,
f = 1 MHz, RSET = 4.02 KΩ, DAC gain = 7.5 dB
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