参数资料
型号: LT1256CS#TRPBF
厂商: Linear Technology
文件页数: 21/24页
文件大小: 0K
描述: IC AMP VIDEO FADE CONTRLD 14SOIC
标准包装: 2,500
应用: 电流反馈
电路数: 1
-3db带宽: 40MHz
转换速率: 300 V/µs
电流 - 电源: 14.5mA
电流 - 输出 / 通道: 40mA
电压 - 电源,单路/双路(±): 5 V ~ 30 V,±2.5 V ~ 15 V
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SOIC
包装: 带卷 (TR)
6
LT1251/LT1256
TYPICAL PERFORMANCE CHARACTERISTICS
UW
FREQUENCY (Hz)
100k
VOLTAGE
GAIN
(dB)
PHASE
SHIFT
(DEG)
1M
10M
100M
1251/56 G13
5
4
3
2
1
0
–1
–2
–3
–4
–5
45
0
–45
–90
–135
–180
–225
–270
VS = ±5V
RF = 1.3k
RL = 100
PHASE
GAIN
Voltage Gain and Phase
vs Frequency
Bandwidth vs Feedback
Resistance, AV = 1, RL = 1k
FEEDBACK RESISTANCE (k
)
0.6
3dB
BANDWIDTH
(MHz)
70
60
50
40
30
20
10
0.8
1.0
1.2
1.4
1251/56 G12
1.6
1.8
PEAKING
≤ 0.5dB
PEAKING
≤ 5.0dB
VS = ±15V
VS = ±5V
VS = 5V
FEEDBACK RESISTANCE (k
)
0.6
3dB
BANDWIDTH
(MHz)
70
60
50
40
30
20
10
0.8
1.0
1.2
1.4
1251/56 G11
1.6
1.8
PEAKING
≤ 0.5dB
PEAKING
≤ 5.0dB
VS = ±15V
VS = ±5V
VS = 5V
Bandwidth vs Feedback
Resistance, AV = 1, RL = 100
Bandwidth vs Feedback
Resistance, AV = 10, RL = 100
FEEDBACK RESISTANCE (k
)
0.4
3dB
BANDWIDTH
(MHz)
60
50
40
30
20
10
0.6
0.8
1.0
1.2
1251/56 G14
1.4
1.6
PEAKING
≤ 0.5dB
PEAKING
≤ 5.0dB
VS = 5V
VS = ±15V
VS = ±5V
Bandwidth vs Feedback
Resistance, AV = 100, RL = 100
FEEDBACK RESISTANCE (k
)
0.2 0.4
–3dB
BANDWIDTH
(MHz)
2.0
1251/56 G17
0.6 0.8 1.0
1.4
1.2
1.6 1.8
10
9
8
7
6
5
4
3
2
VS = ±15V
VS = 5V
VS = ±5V
NO PEAKING
Bandwidth vs Feedback
Resistance, AV = 10, RL = 1k
FEEDBACK RESISTANCE (k
)
0.4
3dB
BANDWIDTH
(MHz)
60
50
40
30
20
10
0.6
0.8
1.0
1.2
1251/56 G15
1.4
1.6
PEAKING
≤ 0.5dB
PEAKING
≤ 5.0dB
VS = 5V
VS = ±15V
VS = ±5V
Bandwidth vs Feedback
Resistance, AV = 100, RL = 1k
FEEDBACK RESISTANCE (k
)
0.2 0.4
–3dB
BANDWIDTH
(MHz)
2.0
1251/56 G18
0.6 0.8 1.0
1.4
1.2
1.6 1.8
10
9
8
7
6
5
4
3
2
VS = ±15V
VS = 5V
VS = ±5V
NO PEAKING
FREQUENCY (Hz)
OFF-CHANNEL
ISOLATION
(dB)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
10k
1M
10M
100M
1251/56 G16
100k
VS = ±5V
VFS = 2.5V
VC = 0V
RL = 100
RF = 1.5k
AV = 10
AV = 1
Off-Channel Isolation
vs Frequency
–3dB Bandwidth vs
Control Voltage
CONTROL VOLTAGE (V)
0
–3dB
BANDWIDTH
(MHz)
40
35
30
25
20
15
10
0.5
1.0
1.5
2.0
1251/56 G19
2.5
VS = ±5V
RL = 100
VFS = 2.5V
RF = 1.3k
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