參數(shù)資料
型號: THS6012EVM
廠商: Texas Instruments, Inc.
英文描述: 500-mA DUAL DIFFERENTIAL LINE DRIVER
中文描述: 500毫安雙差分線路驅(qū)動器
文件頁數(shù): 29/35頁
文件大?。?/td> 604K
代理商: THS6012EVM
THS6012
500-mA DUAL DIFFERENTIAL LINE DRIVER
SLOS226C– SEPTEMBER 1998 – REVISED FEBRUARY 2000
29
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
ADSL
The THS6012 was primarily designed as a line driver and line receiver for ADSL (asymmetrical digital subscriber
line). The driver output stage has been sized to provide full ADSL power levels of 20 dBm onto the telephone
lines. Although actual driver output peak voltages and currents vary with each particular ADSL application, the
THS6012 is specified for a minimum full output current of 400 mA at its full output voltage of approximately 12
V. This performance meets the demanding needs of ADSL at the central office end of the telephone line. A typical
ADSL schematic is shown in Figure 47.
_
+
6.8
μ
F
+
0.1
μ
F
–15 V
6.8
μ
F
0.1
μ
F
15 V
1 k
1 k
+
VI+
_
+
6.8
μ
F
+
0.1
μ
F
–15 V
6.8
μ
F
0.1
μ
F
15 V
1 k
1 k
+
VI–
+
1 k
0.1
μ
F
1 k
2 k
12.5
+
1 k
0.1
μ
F
1 k
2 k
1:2
Telephone Line
12.5
–15 V
15 V
15 V
–15 V
0.01
μ
F
THS6062
THS6062
VO+
VO–
THS6012
Driver 1
THS6012
Driver 2
100
Figure 47. THS6012 ADSL Application
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