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AD9873JS 数据表(PDF) 14 Page - Analog Devices

部件名 AD9873JS
功能描述  Analog Front End Converter for Set-Top Box, Cable Modem
PDF  39 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD9873JS 数据表(HTML) 14 Page - Analog Devices

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REV. 0
AD9873
–14–
Typical Performance Characteristics (V
AS = 3.3 V, VDS = 3.3 V, fOSCIN = 27 MHz, fSYSCLK = 216 MHz, fMCLK = 54 MHz
[M = 8, N = 4], ADC Sample Rate derived directly from fOSCIN, RSET = 10 k
[IOUT = 4 mA], 75
DAC Load, unless otherwise noted)
fSYSCLK – MHz
380
240
120
140
180
220
340
320
280
200
260
240
220
300
360
160
200
TPC 1. Power Consumption vs. Clock Speed, fSYSCLK
DUTY CYCLE – %
340
300
030
70
90
320
310
100
290
50
80
20
40
60
SINGLE-TONE
16-QAM
330
10
TPC 2. Power Consumption vs. Transmit Burst Duty Cycle
TYPICAL POWER CONSUMPTION CHARACTERISTICS (20 MHz Single Tone, unless otherwise noted)
FREQUENCY – MHz
0
–60
06
14
18
–20
–100
–40
20
–80
10
16
48
12
–10
–30
–50
2
–90
–70
TPC 3a. Dual Sideband Spectral Plot, fC = 5 MHz
f = 1 MHz, RSET =10 k
Ω (IOUT = 4 mA), RBW = 1 kHz
FREQUENCY – MHz
0
–60
55
61
69
73
–20
–100
–40
75
–80
65
71
59
63
67
–10
–30
–50
57
–90
–70
TPC 4a. Dual Sideband Spectral Plot, fC = 65 MHz
f = 1 MHz, RSET =10 k
Ω (IOUT = 4 mA), RBW = 1 kHz
DUAL SIDEBAND TRANSMIT SPECTRUM (See Table IV for Dual-Tone Generation.)
FREQUENCY – MHz
0
–60
06
14
18
–20
–100
–40
20
–80
10
16
48
12
–10
–30
–50
2
–90
–70
TPC 3b. Dual Sideband Spectral Plot, fC = 5 MHz
f = 1 MHz, RSET = 4 k
Ω (IOUT = 10 mA), RBW = 1 kHz
FREQUENCY – MHz
0
–60
55
61
69
73
–20
–100
–40
75
–80
65
71
59
63
67
–10
–30
–50
57
–90
–70
TPC 4b. Dual Sideband Spectral Plot, fC = 65 MHz
f = 1 MHz, RSET = 4 k
Ω (IOUT = 10 mA), RBW = 1 kHz



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