參數(shù)資料
型號: AD8018
廠商: Analog Devices, Inc.
英文描述: RESISTOR-FIXED, METAL
中文描述: 5伏,軌到軌,高輸出電流,xDSL線路驅(qū)動器放大器
文件頁數(shù): 7/19頁
文件大?。?/td> 339K
代理商: AD8018
REV. 0
AD8018
–7–
TRANSFORMER TURNS RATIO
P
L
3.0
16
10
11
12
13
14
15
3.2
4.0
4.2
4.4
4.6
4.8
3.4
3.6
3.8
V
S
= 5.25
V
S
= 4.75
V
S
= 5.00
TPC 19. Line Power vs. Turns Ratio; MTPR = –65 dBc,
f = 43 kHz
TRANSFORMER TURNS RATIO
N
M
3
4
80
70
60
50
40
30
5
20
P = 13dBm
P = 13.5dBm
P = 14dBm
P = 12.5dBm
P = 12dBm
V
S
= 5V
R
LINE
= 100
f = 93kHz
TPC 20. MTPR vs. Turns Ratio
TRANSFORMER TURNS RATIO
N
S
3
90
4
80
70
60
50
40
30
5
P = 12dBm
P = 12.5dBm
P = 13dBm
P = 13.5dBm
P = 14dBm
V
S
= 5V
R
= 100
f = 361kHz
TPC 21. Out-of-Band SFDR vs. Turns Ratio for Various
Line Power
TRANSFORMER TURNS RATIO
P
L
3.0
16
6
8
10
14
3.2
4.0
4.2
4.4
4.6
3.4
3.6
3.8
18
12
V
S
= 4.75
V
S
= 8.00
V
S
= 5.00
V
S
= 3.33
V
S
= 4.50
4.8
TPC 22. Line Power vs. Turns Ratio; –75 dBc Out-of-Band
SFDR, f = 361 kHz
FREQUENCY
Hz
1k
10k
100k
1M
10M
100M
1G
0.01
0.1
1
10
100
1k
10k
100k
1M
10M
T
150
100
50
0
50
200
100
150
P
TRANSIMPEDANCE
PHASE
200
TPC 23. Open Loop Transimpedance and Phase
POWER-DOWN VOLTAGE
Volts
T
0.86
16
6
8
10
14
DECREASING
18
12
20
0.88
0.90
0.92
0.94
0.96
0.98
1.00
1.02
INCREASING
LOGIC 1 TO 0
LOGIC 0 TO 1
TPC 24. Power-Up/-Down Threshold Voltage
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