参数资料
型号: LT1794CSW#PBF
厂商: Linear Technology
文件页数: 16/20页
文件大小: 0K
描述: IC OPAMP 200MHZ DUAL 20-SOIC
标准包装: 38
类型: 线路驱动器,发射器
驱动器/接收器数: 2/0
规程: xDSL
电源电压: 18V
安装类型: 表面贴装
封装/外壳: 20-SOIC(0.295",7.50mm 宽)
供应商设备封装: 20-SOIC
包装: 管件
5
LT1794
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Open-Loop Gain and Phase
vs Frequency
–3dB Bandwidth
vs Supply Current
Slew Rate vs Supply Current
FREQUENCY (Hz)
–20
GAIN
(dB)
PHASE
(DEG)
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
TA = 25°C
VS = ±12V
AV = –10
RL = 100
IS PER AMPLIFIER = 10mA
PHASE
GAIN
SUPPLY CURRENT PER AMPLIFIER (mA)
2
0
3
dB
BANDWIDTH
(MHz)
5
15
20
25
6
8
10
12
14
45
1794 G08
10
4
30
35
40
TA = 25°C
VS = ±12V
AV = 10
RL = 100
SUPPLY CURRENT PER AMPLIFIER (mA)
2
SLEW
RATE
(V/
s)
600
800
1000
11 12
1794 G09
400
200
500
700
900
300
100
0
345
67
89 10
13 14 15
TA = 25°C
VS = ±12V
AV = –10
RL = 1k
RISING
FALLING
CMRR vs Frequency
PSRR vs Frequency
Frequency Response
vs Supply Current
FREQUENCY (MHz)
0.1
40
COMMON
MODE
REJECTION
RATIO
(dB)
50
60
70
80
1
10
100
1794 G10
30
20
10
0
90
100
TA = 25°C
VS = ±12V
IS = 10mA PER AMPLIFIER
FREQUENCY (MHz)
30
POWER
SUPPLY
REJECTION
(dB)
90
100
20
10
80
50
70
60
40
0.01
1
10
100
1794 G11
–10
0
0.1
VS = ±12V
AV = 10
IS = 10mA PER AMPLIFIER
(–) SUPPLY
(+) SUPPLY
FREQUENCY (Hz)
1k
10k
0
GAIN
(dB)
5
10
15
20
100k
1M
10M
100M
1794 G12
–5
–10
–15
–20
25
30
VS = ±12V
AV = 10
2mA PER AMPLIFIER
10mA PER AMPLIFIER
15mA PER AMPLIFIER
Output Impedance vs Frequency
ISHDN vs VSHDN
Supply Current vs VSHDN
FREQUENCY (MHz)
0.01
0.1
0.01
OUTPUT
IMPEDANCE
(
)
1
1000
1
10
100
1734 G13
0.1
10
100
TA = 25°C
VS ±12V
IS PER
AMPLIFIER = 2mA
IS PER
AMPLIFIER = 10mA
IS PER
AMPLIFIER = 15mA
VSHDN (V)
0
I SHDN
(mA)
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
TA = 25°C
VS = ±12V
VSHDNREF = 0V
VSHDN (V)
0
SUPPLY
CURRENT
PER
AMPLIFIER
(mA)
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
TA = 25°C
VS = ±12V
VSHDNREF = 0V
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