參數(shù)資料
型號： LT6300CGN#TRPBF
廠商： Linear Technology
文件頁數(shù)： 15/16頁
文件大?。?/td> 0K
描述： IC XDSL LINE DRIVER 16-SSOP
標準包裝： 2,500
類型： 線路驅(qū)動器，發(fā)射器
驅(qū)動器/接收器數(shù)： 2/0
規(guī)程： xDSL
電源電壓： 5 V ~ 12 V
安裝類型： 表面貼裝
封裝/外殼： 16-SSOP（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 16-SSOP
包裝： 帶卷 (TR)
8
LT6300
Logic Controlled Operating Current
The DSP controller in a typical xDSL application can have
I/O pins assigned to provide logic control of the LT6300
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
6300 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
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
6300 F04
2k
Figure 4. Providing Logic Input Control of Operating Current
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT6300IGN 功能描述:IC XDSL LINE DRIVER 16-SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標準包裝:27 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件
LT6300IGN#PBF 功能描述:IC XDSL LINE DRIVER 16-SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標準包裝:27 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件
LT6300IGN#TR 功能描述:IC XDSL LINE DRIVER 16-SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標準包裝:27 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件
LT6300IGN#TRPBF 功能描述:IC XDSL LINE DRIVER 16-SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標準包裝:27 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件
LT6301 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual 500mA, Differential xDSL Line Driver in 28-Lead TSSOP Package
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