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参数资料
| 型号： | LT6301CFE#TR |
| 厂商： | Linear Technology |
| 文件页数： | 15/16页 |
| 文件大小： | 0K |
| 描述： | IC XDSL LINE DRIVER DUAL 28TSSOP |
| 标准包装： | 2,000 |
| 类型： | 驱动器 |
| 驱动器/接收器数： | 2/0 |
| 规程： | xDSL |
| 电源电压： | 5 V ~ 12 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.173"，4.40mm 宽）裸露焊盘 |
| 供应商设备封装： | 28-TSSOP 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 其它名称： | LT6301CFETR |
8
LT6301
sn6301 6301f
Logic Controlled Operating Current
The DSP controller in a typical xDSL application can have
I/O pins assigned to provide logic control of the LT6301
line driver operating current. As shown in Figure 4 one or
two logic control inputs can control two or four different
operating modes. The logic inputs add or subtract current
to the SHDN input to set the operating current. The one
logic input example selects the supply current to be either
full power, 10mA per amplifier or just 2mA per amplifier,
which significantly reduces the driver power consumption
APPLICATIO S I FOR ATIO
WU
UU
RBIAS (k)
4
7
10
50
90
130
170
210
250
30
70
100
150
190
230
270 290
I SUPPLY
PER
AMPLIFIER
(mA)
20
25
30
35
40
6301 F03
5
10
15
0
45
VS = ±12V
V+ = 12V
RBIAS
SHDN
SHDNREF
RBIAS =
64 – 5k
V+ – 1.2V
IS PER AMPLIFIER (mA)
64
V+ – 1.2V
RBIAS + 5k
≈
Figure 3. RBIAS to Ground Current Control
while maintaining less than 2
output impedance to
frequencies less than 1MHz. This low power mode retains
termination impedance at the amplifier outputs and the
line driving back termination resistors. With this termina-
tion, while a DSL port is not transmitting data, it can still
sense a received signal from the line across the back-
termination resistors and respond accordingly.
The two logic input control provides two intermediate
(approximately 7mA per amplifier and 5mA per amplifier)
operating levels between full power and termination modes.
Two Control Inputs
RESISTOR VALUES (k
)
RSHDN TO VCC (12V) RSHDN TO VLOGIC
VLOGIC
RSHDN
RC1
RCO
3V
40.2
11.5
19.1
3.3V
43.2
13.0
22.1
5V
60.4
21.5
36.5
3V
4.99
8.66
14.3
3.3V
6.81
10.7
17.8
5V
19.6
20.5
34.0
VC0
H
L
H
L
VC1
H
L
10
7
5
2
10
7
5
2
10
7
5
2
10
7
5
2
10
7
5
2
10
7
5
2
SUPPLY CURRENT PER AMPLIFIER (mA)
One Control Input
RESISTOR VALUES (k
)
RSHDN TO VCC (12V) RSHDN TO VLOGIC
VLOGIC
RSHDN
RC
3V
40.2
7.32
3.3V
43.2
8.25
5V
60.4
13.7
3V
4.99
5.49
3.3V
6.81
6.65
5V
19.6
12.7
VC
H
L
10
2
10
2
10
2
10
2
10
2
10
2
SUPPLY CURRENT PER AMPLIFIER (mA)
RSHDN
RC1
VC1
VLOGIC
12V OR VLOGIC
0V
VC0
RC0
SHDN
SHDNREF
2k
RSHDN
RC
VC
VLOGIC
12V OR VLOGIC
0V
SHDN
SHDNREF
6301 F04
2k
Figure 4. Providing Logic Input Control of Operating Current
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| LT6301IFE | 功能描述:IC XDSL LINE DRIVER DUAL 28TSSOP RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:带卷 (TR) |
| LT6301IFE#TR | 功能描述:IC XDSL LINE DRIVER DUAL 28TSSOP RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:带卷 (TR) |
| LT6301IFE#TRPBF | 功能描述:IC XDSL LINE DRIVER DUAL 28TSSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:带卷 (TR) |
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