参数资料
型号: LT1794
厂商: Linear Technology Corporation
英文描述: Dual 500mA, 200MHz xDSL Line Driver Amplifier
中文描述: 双500mA的,200MHz的xDSL线路驱动放大器
文件页数: 5/20页
文件大小: 275K
代理商: LT1794
5
LT1794
TYPICAL PERFOR U
Open-Loop Gain and Phase
vs Frequency
–3dB Bandwidth
vs Supply Current
Slew Rate vs Supply Current
FREQUENCY (Hz)
–20
G
P
100
120
–40
–60
80
20
60
40
0
100k
10M
100M
1794 G07
–80
–160
80
120
–200
–240
40
–80
0
–40
–120
–280
1M
T
A
= 25
°
C
V
S
=
±
12V
A
V
= –10
R
L
= 100
I
S
PER AMPLIFIER = 10mA
PHASE
GAIN
SUPPLY CURRENT PER AMPLIFIER (mA)
2
0
5
15
20
25
6
8
10
12
14
45
1794 G08
10
4
30
35
40
T
A
= 25
°
C
V
S
=
±
12V
A
V
= 10
R
L
= 100
SUPPLY CURRENT PER AMPLIFIER (mA)
2
S
μ
s
600
800
1000
11 12
1794 G09
400
200
500
700
900
300
100
0
3
4
5
6
7
8
9 10
13 14 15
T
A
= 25
°
C
V
S
=
±
12V
A
V
= –10
R
L
= 1k
RISING
FALLING
CMRR vs Frequency
PSRR vs Frequency
Frequency Response
vs Supply Current
FREQUENCY (MHz)
0.1
40
C
50
60
70
80
1
10
100
1794 G10
30
20
10
0
90
100
T
A
= 25
°
C
V
S
=
±
12V
I
S
= 10mA PER AMPLIFIER
FREQUENCY (MHz)
30
20
10
0
P
90
80
70
60
100
50
40
0.01
1
10
100
1794 G11
–10
0.1
V
S
=
±
12V
A
V
= 10
I
S
= 10mA PER AMPLIFIER
(–) SUPPLY
(+) SUPPLY
FREQUENCY (Hz)
1k
10k
0
G
5
10
15
20
100k
1M
10M
100M
1794 G12
–5
–10
–15
–20
25
30
V
S
=
±
12V
A
V
= 10
2mA PER AMPLIFIER
10mA PER AMPLIFIER
15mA PER AMPLIFIER
Output Impedance vs Frequency
I
SHDN
vs V
SHDN
Supply Current vs V
SHDN
FREQUENCY (MHz)
0.01
0.1
0.01
O
)
1
1000
1
10
100
1734 G13
0.1
10
100
T
A
= 25
°
C
V
S
±
12V
I
PER
AMPLIFIER = 2mA
I
PER
AMPLIFIER = 10mA
I
S
PER
AMPLIFIER = 15mA
V
SHDN
(V)
0
I
S
1.5
2.0
2.5
4.0
1794 G14
1.0
0.5
0
1.0
2.0
3.0
5.0
3.5
0.5
1.5
2.5
4.5
T
A
= 25
°
C
V
S
=
±
12V
V
SHDNREF
= 0V
V
SHDN
(V)
0
S
15
20
25
30
35
4.0
1794 G14
10
5
0
1.0
2.0
3.0
5.0
3.5
0.5
1.5
2.5
4.5
T
A
= 25
°
C
V
S
=
±
12V
V
SHDNREF
= 0V
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LT1794CSW 功能描述:IC OPAMP 200MHZ DUAL 20-SOIC 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:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232,RS485 电源电压:4.75 V ~ 5.25 V 安装类型:表面贴装 封装/外壳:28-SOIC(0.295",7.50mm 宽) 供应商设备封装:28-SOIC 包装:管件